diff --git a/demo/nad-created.html b/demo/nad-created.html
index 036e2631..fa654400 100644
--- a/demo/nad-created.html
+++ b/demo/nad-created.html
@@ -113,6 +113,7 @@ <h2>Network Area Diagram SVGs created from diagram metadata</h2>
                     <figcaption>Edge info with double arrows from metadata</figcaption>
                     <div id="svg-container-nad-double-arrows-c"></div>
                 </figure>
+                <div class="break"></div>
                 <figure class="diagram-figure">
                     <figcaption>Custom style provider</figcaption>
                     <div id="svg-container-nad-pst-hvdc-custom"></div>
diff --git a/packages/network-viewer-core/src/network-area-diagram-viewer/edge-router.ts b/packages/network-viewer-core/src/network-area-diagram-viewer/edge-router.ts
index 58ac197f..f229b097 100644
--- a/packages/network-viewer-core/src/network-area-diagram-viewer/edge-router.ts
+++ b/packages/network-viewer-core/src/network-area-diagram-viewer/edge-router.ts
@@ -17,11 +17,17 @@ import { HalfEdge, LabelData } from './diagram-types';
 export class EdgeRouter {
     diagramMetadata: DiagramMetadata;
     svgParameters: SvgParameters;
+    // points of each half edge of edges
     edgePoints: Record<string, [Point[], Point[]]> = {};
+    // data (position and arrow angle) for side infos of each half edge of edges
     edgeSideData: Record<string, [[Point, number], [Point, number]]> = {};
+    // label data (angle, internal and external shift and style) for side infos of each half edge of edges
     edgeSideLabelData: Record<string, [LabelData, LabelData]> = {};
+    // data (position and arrow angle) for middle infos of edges
     edgeMiddleData: Record<string, [Point, number]> = {};
+    // label data (angle, internal and external shift and style) for middle infos of edges
     edgeMiddleLabelData: Record<string, LabelData> = {};
+    // points of 3wt edges
     threeWTEdgePoints: Record<string, [Point, Point]> = {};
     nodeAngles: Record<string, number[]> = {};
 
@@ -176,29 +182,32 @@ export class EdgeRouter {
         const node2Angles: number[] = this.nodeAngles[edge.node2] ?? [];
         node2Angles.push(angle2);
         this.nodeAngles[edge.node2] = node2Angles;
-        this.storeEdgeInfos(edge, halfEdges);
+        this.storeEdgeInfos(edge, halfEdges, false);
     }
 
-    private storeEdgeInfos(edge: EdgeMetadata, halfEdges: HalfEdge[] | null[]) {
+    private storeEdgeInfos(edge: EdgeMetadata, halfEdges: HalfEdge[] | null[], isLoop: boolean) {
         if (edge.edgeInfo1 || edge.edgeInfo2) {
-            this.storeEdgeSideData(edge.svgId, halfEdges);
+            this.storeEdgeSideData(edge.svgId, halfEdges, isLoop);
         }
         if (edge.edgeInfoMiddle) {
             this.storeEdgeMiddleData(edge.svgId, halfEdges);
         }
     }
 
-    private storeEdgeSideData(edgeId: string, halfEdges: HalfEdge[] | null[]) {
+    // given an edge id and 2 half edges, store data for edge side infos
+    // the isLoop parameter is needed because the computation of the position of edge side info
+    // is different if we are dealing with loop edges
+    private storeEdgeSideData(edgeId: string, halfEdges: HalfEdge[] | null[], isLoop: boolean) {
         if (!halfEdges[0] || !halfEdges[1]) {
             return;
         }
         this.edgeSideData[edgeId] = [
             [
-                HalfEdgeUtils.getInfoPoint(halfEdges[0], this.svgParameters),
+                isLoop ? halfEdges[0].edgePoints[1] : HalfEdgeUtils.getInfoPoint(halfEdges[0], this.svgParameters),
                 HalfEdgeUtils.getArrowRotation(halfEdges[0]),
             ],
             [
-                HalfEdgeUtils.getInfoPoint(halfEdges[1], this.svgParameters),
+                isLoop ? halfEdges[1].edgePoints[1] : HalfEdgeUtils.getInfoPoint(halfEdges[1], this.svgParameters),
                 HalfEdgeUtils.getArrowRotation(halfEdges[1]),
             ],
         ];
@@ -366,7 +375,7 @@ export class EdgeRouter {
             return;
         }
         this.edgePoints[edge.svgId] = [halfEdges[0].edgePoints, halfEdges[1].edgePoints];
-        this.storeEdgeInfos(edge, halfEdges);
+        this.storeEdgeInfos(edge, halfEdges, true);
     }
 
     private storeThreeWtEdges(edgesMap: Record<string, EdgeMetadata[]>) {
diff --git a/packages/network-viewer-core/src/network-area-diagram-viewer/half-edge-utils.test.ts b/packages/network-viewer-core/src/network-area-diagram-viewer/half-edge-utils.test.ts
index f2d3e198..cbd8abb8 100644
--- a/packages/network-viewer-core/src/network-area-diagram-viewer/half-edge-utils.test.ts
+++ b/packages/network-viewer-core/src/network-area-diagram-viewer/half-edge-utils.test.ts
@@ -494,20 +494,22 @@ test('getHalfEdges', () => {
     expect(halfEdges[0]).not.toBeNull();
     if (halfEdges[0]) {
         expect(halfEdges[0].edgePoints.length).toBe(3);
-        expect(round(halfEdges[0].edgePoints[0].x)).toBeCloseTo(-220.63);
-        expect(round(halfEdges[0].edgePoints[0].y)).toBeCloseTo(22.08);
-        expect(round(halfEdges[0].edgePoints[1].x)).toBeCloseTo(-173.6);
-        expect(round(halfEdges[0].edgePoints[1].y)).toBeCloseTo(-1.26);
+        expect(halfEdges[0].side).toBe('1');
+        expect(round(halfEdges[0].edgePoints[0].x)).toBeCloseTo(117.43);
+        expect(round(halfEdges[0].edgePoints[0].y)).toBeCloseTo(43.39);
+        expect(round(halfEdges[0].edgePoints[1].x)).toBeCloseTo(73.7);
+        expect(round(halfEdges[0].edgePoints[1].y)).toBeCloseTo(14.33);
         expect(round(halfEdges[0].edgePoints[2].x)).toBeCloseTo(-49.95);
         expect(round(halfEdges[0].edgePoints[2].y)).toBeCloseTo(6.53);
     }
     expect(halfEdges[1]).not.toBeNull();
     if (halfEdges[1]) {
         expect(halfEdges[1].edgePoints.length).toBe(3);
-        expect(round(halfEdges[1].edgePoints[0].x)).toBeCloseTo(117.43);
-        expect(round(halfEdges[1].edgePoints[0].y)).toBeCloseTo(43.39);
-        expect(round(halfEdges[1].edgePoints[1].x)).toBeCloseTo(73.7);
-        expect(round(halfEdges[1].edgePoints[1].y)).toBeCloseTo(14.33);
+        expect(halfEdges[1].side).toBe('2');
+        expect(round(halfEdges[1].edgePoints[0].x)).toBeCloseTo(-220.63);
+        expect(round(halfEdges[1].edgePoints[0].y)).toBeCloseTo(22.08);
+        expect(round(halfEdges[1].edgePoints[1].x)).toBeCloseTo(-173.6);
+        expect(round(halfEdges[1].edgePoints[1].y)).toBeCloseTo(-1.26);
         expect(round(halfEdges[1].edgePoints[2].x)).toBeCloseTo(-49.95);
         expect(round(halfEdges[1].edgePoints[2].y)).toBeCloseTo(6.53);
     }
diff --git a/packages/network-viewer-core/src/network-area-diagram-viewer/half-edge-utils.ts b/packages/network-viewer-core/src/network-area-diagram-viewer/half-edge-utils.ts
index 47452f5b..465268b0 100644
--- a/packages/network-viewer-core/src/network-area-diagram-viewer/half-edge-utils.ts
+++ b/packages/network-viewer-core/src/network-area-diagram-viewer/half-edge-utils.ts
@@ -23,7 +23,14 @@ import {
     isTransformerEdge,
     radToDeg,
 } from './diagram-utils';
-import { getBusNodeMetadata, getEdgePoints, getEdgeType, getNodeMetadata, getNodeRadius } from './metadata-utils';
+import {
+    getBusNodeMetadata,
+    getEdgePoints,
+    getEdgeType,
+    getNodeMetadata,
+    getNodeRadius,
+    samePosition,
+} from './metadata-utils';
 import { HalfEdge, LabelData } from './diagram-types';
 import { getPathPoints, getTransform } from './svg-utils';
 
@@ -278,7 +285,7 @@ export function getHalfEdges(
         edge.bendingPoints
     );
     const halfEdge1: HalfEdge = {
-        side: '1',
+        side: samePosition(node1, point1) ? '1' : '2',
         fork: groupedEdgesCount > 1,
         busOuterRadius: nodeRadius1.busOuterRadius,
         voltageLevelRadius: nodeRadius1.voltageLevelRadius,
@@ -286,14 +293,14 @@ export function getHalfEdges(
         edgePoints: edgePoints[0],
     };
     const halfEdge2: HalfEdge = {
-        side: '2',
+        side: samePosition(node2, point2) ? '2' : '1',
         fork: groupedEdgesCount > 1,
         busOuterRadius: nodeRadius2.busOuterRadius,
         voltageLevelRadius: nodeRadius2.voltageLevelRadius,
         edgeInfoId: edge.edgeInfo2?.svgId,
         edgePoints: edgePoints[1],
     };
-    return [halfEdge1, halfEdge2];
+    return [samePosition(node1, point1) ? halfEdge1 : halfEdge2, samePosition(node2, point2) ? halfEdge2 : halfEdge1];
 }
 
 export function getHalfEdgesLoop(
diff --git a/packages/network-viewer-core/src/network-area-diagram-viewer/metadata-utils.test.ts b/packages/network-viewer-core/src/network-area-diagram-viewer/metadata-utils.test.ts
index d7f540b5..f5170c8f 100644
--- a/packages/network-viewer-core/src/network-area-diagram-viewer/metadata-utils.test.ts
+++ b/packages/network-viewer-core/src/network-area-diagram-viewer/metadata-utils.test.ts
@@ -594,3 +594,16 @@ test('getEdgeType', () => {
     expect(MetadataUtils.getEdgeType(edge)).toBe(EdgeType.TWO_WINDINGS_TRANSFORMER);
     expect(MetadataUtils.getStringEdgeType(edge)).toBe('TWO_WINDINGS_TRANSFORMER');
 });
+
+test('samePosition', () => {
+    const node: NodeMetadata = {
+        svgId: '4',
+        equipmentId: 'VL',
+        x: 100,
+        y: 100,
+    };
+    expect(MetadataUtils.samePosition(node, new Point(100, 100))).toBe(true);
+    expect(MetadataUtils.samePosition(node, new Point(90, 100))).toBe(false);
+    expect(MetadataUtils.samePosition(node, new Point(100, 90))).toBe(false);
+    expect(MetadataUtils.samePosition(node, new Point(90, 90))).toBe(false);
+});
diff --git a/packages/network-viewer-core/src/network-area-diagram-viewer/metadata-utils.ts b/packages/network-viewer-core/src/network-area-diagram-viewer/metadata-utils.ts
index 4cccf34e..611abefd 100644
--- a/packages/network-viewer-core/src/network-area-diagram-viewer/metadata-utils.ts
+++ b/packages/network-viewer-core/src/network-area-diagram-viewer/metadata-utils.ts
@@ -411,3 +411,7 @@ export function isBoundaryNode(node: NodeMetadata): boolean {
 export function getNodeType(node: NodeMetadata): NodeType {
     return node.type === undefined ? NodeType.UNKNOWN : (NodeTypeMapping[node.type] ?? NodeType.UNKNOWN);
 }
+
+export function samePosition(node: NodeMetadata, point: Point): boolean {
+    return point.x == node.x && point.y == node.y;
+}
diff --git a/packages/network-viewer-core/src/network-area-diagram-viewer/svg-writer.test.ts b/packages/network-viewer-core/src/network-area-diagram-viewer/svg-writer.test.ts
index 0e395b7b..4f9c70c8 100644
--- a/packages/network-viewer-core/src/network-area-diagram-viewer/svg-writer.test.ts
+++ b/packages/network-viewer-core/src/network-area-diagram-viewer/svg-writer.test.ts
@@ -7,14 +7,21 @@
  */
 
 import '../../../../global.d.ts';
-import IEE14CdfNetworkMetadata from '../resources/test-data/nad-ieee14cdf-solved_metadata.json';
+
+import IEEE14CdfNetworkMetadata from '../resources/test-data/nad-ieee14cdf-solved_metadata.json';
 import FourSubstationsNetworkCustomStyleMetadata from '../resources/test-data/nad-four-substations_custom_metadata.json';
+import EurostagNetworkMetadata from '../resources/test-data/nad-eurostag-tutorial-example1_metadata.json';
+import IEEE9NetworkMetadata from '../resources/test-data/nad-ieee9-zeroimpedance-cdf_metadata.json';
+import FourSubstationsNetworkMetadata from '../resources/test-data/nad-four-substations_metadata.json';
+import IEEE9NetworkMiddleArrowsMetadata from '../resources/test-data/nad-ieee9-zeroimpedance-cdf-middle-arrow_metadata.json';
+import FourSubstationsNetworkMultipleLabelsMetadata from '../resources/test-data/nad-four-substations-multiple-labels_metadata.json';
+import DoubleArrowsNetworkMetadata from '../resources/test-data/nad-double-arrows-with-middle-values_metadata.json';
 
 import { SvgWriter } from './svg-writer';
 import { getSvgFromFile } from './test-utils';
 
-test('testIEE14CdfNetwork', () => {
-    const actual = new SvgWriter(IEE14CdfNetworkMetadata).getSvg({ width: 0, height: 0 });
+test('testIEEE14CdfNetwork', () => {
+    const actual = new SvgWriter(IEEE14CdfNetworkMetadata).getSvg({ width: 0, height: 0 });
     const expected = getSvgFromFile('../resources/test-data/nad-ieee14cdf-solved.svg');
     expect(actual).toEqualSvg(expected, { epsilon: 0.1 });
 });
@@ -24,3 +31,39 @@ test('testFourSubstationsNetworkCustomStyle', () => {
     const expected = getSvgFromFile('../resources/test-data/nad-four-substations_custom.svg');
     expect(actual).toEqualSvg(expected, { epsilon: 0.1 });
 });
+
+test('testEurostagNetwork', () => {
+    const actual = new SvgWriter(EurostagNetworkMetadata).getSvg({ width: 0, height: 0 });
+    const expected = getSvgFromFile('../resources/test-data/nad-eurostag-tutorial-example1.svg');
+    expect(actual).toEqualSvg(expected, { epsilon: 0.1 });
+});
+
+test('testIEEE9Network', () => {
+    const actual = new SvgWriter(IEEE9NetworkMetadata).getSvg({ width: 0, height: 0 });
+    const expected = getSvgFromFile('../resources/test-data/nad-ieee9-zeroimpedance-cdf.svg');
+    expect(actual).toEqualSvg(expected, { epsilon: 0.1 });
+});
+
+test('testFourSubstationsNetwork', () => {
+    const actual = new SvgWriter(FourSubstationsNetworkMetadata).getSvg({ width: 0, height: 0 });
+    const expected = getSvgFromFile('../resources/test-data/nad-four-substations.svg');
+    expect(actual).toEqualSvg(expected, { epsilon: 0.1 });
+});
+
+test('testIEEE9NetworkMiddleArrows', () => {
+    const actual = new SvgWriter(IEEE9NetworkMiddleArrowsMetadata).getSvg({ width: 0, height: 0 });
+    const expected = getSvgFromFile('../resources/test-data/nad-ieee9-zeroimpedance-cdf-middle-arrow.svg');
+    expect(actual).toEqualSvg(expected, { epsilon: 0.1 });
+});
+
+test('testFourSubstationsNetworkMultipleLabelsNetwork', () => {
+    const actual = new SvgWriter(FourSubstationsNetworkMultipleLabelsMetadata).getSvg({ width: 0, height: 0 });
+    const expected = getSvgFromFile('../resources/test-data/nad-four-substations-multiple-labels.svg');
+    expect(actual).toEqualSvg(expected, { epsilon: 0.1 });
+});
+
+test('testDoubleArrowsNetwork', () => {
+    const actual = new SvgWriter(DoubleArrowsNetworkMetadata).getSvg({ width: 0, height: 0 });
+    const expected = getSvgFromFile('../resources/test-data/nad-double-arrows-with-middle-values.svg');
+    expect(actual).toEqualSvg(expected, { epsilon: 0.1 });
+});
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-double-arrows-with-middle-values.svg b/packages/network-viewer-core/src/resources/test-data/nad-double-arrows-with-middle-values.svg
new file mode 100644
index 00000000..860e16cb
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-double-arrows-with-middle-values.svg
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg viewBox="-632.32 -359.74 1026.56 661.65" xmlns="http://www.w3.org/2000/svg">
+    <g class="nad-vl-nodes">
+        <g transform="translate(-94.84,-119.74)" id="0" class="nad-vl300to500">
+            <circle r="27.50" id="3" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(-432.32,17.46)" id="4" class="nad-vl300to500">
+            <circle r="27.50" id="7" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(194.24,101.91)" id="8" class="nad-boundary-node nad-vl300to500">
+            <path d="M-16.733,21.823 A27.500,27.500 180.000 0 1 16.733,-21.823" id="9" class="nad-bus-0 nad-busnode"/>
+        </g>
+    </g>
+    <g class="nad-branch-edges">
+        <g id="10" class="nad-boundary-line-edge">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-73.02,-103.01 49.70,-8.92"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="172.42,85.18 49.70,-8.92"/>
+        </g>
+        <g id="12" class="nad-hvdc-edge">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-120.31,-109.38 -263.58,-51.14"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="-406.85,7.10 -263.58,-51.14"/>
+            <g>
+                <polyline points="-231.16,-64.32 -296.00,-37.96" class="nad-hvdc"/>
+            </g>
+        </g>
+    </g>
+    <g class="nad-edge-infos">
+        <g id="11" transform="translate(-47.22,-83.23)">
+            <path transform="rotate(127.48) translate(0.00,-12.67)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <path transform="rotate(127.48) translate(0.00,12.67)" class="nad-reactive nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(37.48)" class="nad-active" x="34.20">100</text>
+            <text transform="rotate(37.48)" class="nad-reactive" x="-34.20" style="text-anchor:end">50</text>
+        </g>
+        <g id="13" transform="translate(-150.42,-97.14)">
+            <path transform="rotate(-112.12) translate(0.00,-12.67)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <path transform="rotate(-112.12) translate(0.00,12.67)" class="nad-reactive nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-22.12)" class="nad-active" x="-34.20" style="text-anchor:end">100</text>
+            <text transform="rotate(-22.12)" class="nad-reactive" x="34.20">50</text>
+        </g>
+        <g id="14" transform="translate(-376.74,-5.14)">
+            <path transform="rotate(67.88) translate(0.00,-12.67)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <path transform="rotate(67.88) translate(0.00,12.67)" class="nad-reactive nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-22.12)" class="nad-active" x="34.20">300</text>
+            <text transform="rotate(-22.12)" class="nad-reactive" x="-34.20" style="text-anchor:end">75</text>
+        </g>
+        <g id="15" transform="translate(-263.58,-51.14)">
+            <path transform="rotate(-112.12) translate(0.00,-12.67)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <path transform="rotate(-112.12) translate(0.00,12.67)" class="nad-reactive nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-22.12)" class="nad-active" x="-34.20" style="text-anchor:end">100</text>
+            <text transform="rotate(-22.12)" class="nad-reactive" x="34.20">50</text>
+        </g>
+    </g>
+    <g class="nad-text-edges">
+        <polyline id="2" points="-65.17,-124.19 5.16,-134.74"/>
+        <polyline id="6" points="-402.65,13.01 -332.32,2.46"/>
+    </g>
+    <g class="nad-text-nodes">
+        <foreignObject id="1" y="-159.74" x="5.16" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl300to500 nad-label-box">
+                <div>vl</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span> kV / °</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="5" y="-22.54" x="-332.32" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl300to500 nad-label-box">
+                <div>vl2</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span> kV / °</div>
+            </div>
+        </foreignObject>
+    </g>
+</svg>
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-double-arrows-with-middle-values_metadata.json b/packages/network-viewer-core/src/resources/test-data/nad-double-arrows-with-middle-values_metadata.json
new file mode 100644
index 00000000..29e3f645
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-double-arrows-with-middle-values_metadata.json
@@ -0,0 +1,188 @@
+{
+  "layoutParameters" : {
+    "textNodesForceLayout" : false,
+    "textNodeFixedShift" : {
+      "x" : 100.0,
+      "y" : -40.0
+    },
+    "maxSteps" : 1000,
+    "timeoutSeconds" : 15.0,
+    "textNodeEdgeConnectionYShift" : 25.0,
+    "injectionsAdded" : false,
+    "scaleFactor" : 1.0
+  },
+  "svgParameters" : {
+    "diagramPadding" : {
+      "left" : 200.0,
+      "top" : 200.0,
+      "right" : 200.0,
+      "bottom" : 200.0
+    },
+    "insertNameDesc" : false,
+    "svgWidthAndHeightAdded" : false,
+    "cssLocation" : "EXTERNAL_NO_IMPORT",
+    "sizeConstraint" : "FIXED_SCALE",
+    "fixedWidth" : -1,
+    "fixedHeight" : -1,
+    "fixedScale" : 0.2,
+    "arrowShift" : 30.0,
+    "arrowLabelShift" : 19.0,
+    "converterStationWidth" : 70.0,
+    "voltageLevelCircleRadius" : 30.0,
+    "fictitiousVoltageLevelCircleRadius" : 15.0,
+    "transformerCircleRadius" : 20.0,
+    "nodeHollowWidth" : 15.0,
+    "edgesForkLength" : 80.0,
+    "edgesForkAperture" : 60.0,
+    "edgeStartShift" : 0.0,
+    "unknownBusNodeExtraRadius" : 10.0,
+    "loopDistance" : 120.0,
+    "loopEdgesAperture" : 60.0,
+    "loopControlDistance" : 40.0,
+    "edgeInfoAlongEdge" : true,
+    "interAnnulusSpace" : 5.0,
+    "svgPrefix" : "",
+    "arrowPathIn" : "M-10 -10 H10 L0 10z",
+    "arrowPathOut" : "M-10 10 H10 L0 -10z",
+    "languageTag" : "en",
+    "voltageValuePrecision" : 1,
+    "powerValuePrecision" : 0,
+    "angleValuePrecision" : 1,
+    "currentValuePrecision" : 0,
+    "percentageValuePrecision" : 0,
+    "pstArrowHeadSize" : 8.0,
+    "undefinedValueSymbol" : "",
+    "highlightGraph" : false,
+    "injectionAperture" : 10.0,
+    "injectionEdgeLength" : 145.0,
+    "injectionCircleRadius" : 25.0,
+    "voltageLevelLegendsIncluded" : true,
+    "edgeInfosIncluded" : true,
+    "doubleArrowShiftFactorArrows" : 1.5,
+    "doubleArrowShiftFactorText" : 1.8
+  },
+  "busNodes" : [ {
+    "svgId" : "3",
+    "equipmentId" : "vl_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "0",
+    "legend" : " kV / °",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "7",
+    "equipmentId" : "vl2_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "4",
+    "legend" : " kV / °",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "9",
+    "equipmentId" : "dl1",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "8",
+    "classes" : [ "nad-bus-0" ]
+  } ],
+  "nodes" : [ {
+    "svgId" : "0",
+    "equipmentId" : "vl",
+    "x" : -94.84,
+    "y" : -119.74,
+    "legendSvgId" : "1",
+    "legendEdgeSvgId" : "2",
+    "legendHeader" : [ "vl" ],
+    "classes" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "4",
+    "equipmentId" : "vl2",
+    "x" : -432.32,
+    "y" : 17.46,
+    "legendSvgId" : "5",
+    "legendEdgeSvgId" : "6",
+    "legendHeader" : [ "vl2" ],
+    "classes" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "8",
+    "equipmentId" : "dl1",
+    "x" : 194.24,
+    "y" : 101.91,
+    "type" : "BOUNDARY",
+    "classes" : [ "nad-boundary-node", "nad-vl300to500" ]
+  } ],
+  "edges" : [ {
+    "svgId" : "10",
+    "equipmentId" : "dl1",
+    "node1" : "0",
+    "node2" : "8",
+    "busNode1" : "3",
+    "busNode2" : "9",
+    "type" : "BoundaryLineEdge",
+    "edgeInfo1" : {
+      "svgId" : "11",
+      "infoTypeA" : "ReactivePower",
+      "infoTypeB" : "ActivePower",
+      "directionA" : "OUT",
+      "directionB" : "OUT",
+      "labelA" : "50",
+      "labelB" : "100"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "12",
+    "equipmentId" : "hvdc",
+    "node1" : "0",
+    "node2" : "4",
+    "busNode1" : "3",
+    "busNode2" : "7",
+    "type" : "HvdcLineVscEdge",
+    "edgeInfo1" : {
+      "svgId" : "13",
+      "infoTypeA" : "ReactivePower",
+      "infoTypeB" : "ActivePower",
+      "directionA" : "OUT",
+      "directionB" : "OUT",
+      "labelA" : "50",
+      "labelB" : "100"
+    },
+    "edgeInfo2" : {
+      "svgId" : "14",
+      "infoTypeA" : "ReactivePower",
+      "infoTypeB" : "ActivePower",
+      "directionA" : "OUT",
+      "directionB" : "OUT",
+      "labelA" : "75",
+      "labelB" : "300"
+    },
+    "edgeInfoMiddle" : {
+      "svgId" : "15",
+      "infoTypeA" : "ReactivePower",
+      "infoTypeB" : "ActivePower",
+      "directionA" : "OUT",
+      "directionB" : "OUT",
+      "labelA" : "50",
+      "labelB" : "100"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  } ],
+  "textNodes" : [ {
+    "svgId" : "1",
+    "equipmentId" : "vl",
+    "vlNode" : "0",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "5",
+    "equipmentId" : "vl2",
+    "vlNode" : "4",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  } ]
+}
\ No newline at end of file
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-eurostag-tutorial-example1.svg b/packages/network-viewer-core/src/resources/test-data/nad-eurostag-tutorial-example1.svg
new file mode 100644
index 00000000..9432387d
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-eurostag-tutorial-example1.svg
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg viewBox="-652.59 -514.01 1383.49 772.62" xmlns="http://www.w3.org/2000/svg">
+    <g class="nad-vl-nodes">
+        <g transform="translate(-452.59,-274.01)" id="0" class="nad-vl0to30">
+            <circle r="27.50" id="3" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(-245.26,34.30)" id="4" class="nad-vl300to500">
+            <circle r="27.50" id="7" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(140.33,58.61)" id="8" class="nad-vl300to500">
+            <circle r="27.50" id="11" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(430.90,-174.05)" id="12" class="nad-vl120to180">
+            <circle r="27.50" id="15" class="nad-bus-0 nad-busnode"/>
+        </g>
+    </g>
+    <g class="nad-branch-edges">
+        <g id="16">
+            <polyline class="nad-vl0to30 nad-edge-path" points="-437.24,-251.19 -365.67,-144.75"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="-260.61,11.48 -332.19,-94.96"/>
+            <g>
+                <circle class="nad-vl0to30 nad-winding" cx="-354.51" cy="-128.15" r="20.00"/>
+                <circle class="nad-vl300to500 nad-winding" cx="-343.35" cy="-111.56" r="20.00"/>
+            </g>
+        </g>
+        <g id="18">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-222.36,49.52 -178.64,78.58 -54.98,86.38"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="115.70,70.84 68.67,94.17 -54.98,86.38"/>
+        </g>
+        <g id="20">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-217.82,36.03 -165.42,39.33 -52.46,46.45"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="112.89,56.88 60.49,53.58 -52.46,46.45"/>
+        </g>
+        <g id="22">
+            <polyline class="nad-vl300to500 nad-edge-path" points="117.43,43.39 73.71,14.33 -49.95,6.53"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="-220.63,22.07 -173.60,-1.26 -49.95,6.53"/>
+        </g>
+        <g id="24">
+            <polyline class="nad-vl300to500 nad-edge-path" points="161.80,41.42 262.20,-38.97"/>
+            <polyline class="nad-vl120to180 nad-edge-path" points="409.44,-156.86 309.04,-76.47"/>
+            <g>
+                <circle class="nad-vl300to500 nad-winding" cx="277.81" cy="-51.47" r="20.00"/>
+                <circle class="nad-vl120to180 nad-winding" cx="293.43" cy="-63.97" r="20.00"/>
+            </g>
+        </g>
+    </g>
+    <g class="nad-edge-infos">
+        <g id="17" transform="translate(-348.93,-119.86)">
+            <text transform="rotate(56.08)" class="nad-name" x="0.00" style="text-anchor:middle">NGEN_NHV1</text>
+        </g>
+        <g id="19" transform="translate(-54.98,86.38)">
+            <text transform="rotate(3.61)" class="nad-name" x="0.00" style="text-anchor:middle">NHV1_NHV2_1</text>
+        </g>
+        <g id="21" transform="translate(-52.46,46.45)">
+            <text transform="rotate(3.61)" class="nad-name" x="0.00" style="text-anchor:middle">NHV1_NHV2_2</text>
+        </g>
+        <g id="23" transform="translate(-49.95,6.53)">
+            <text transform="rotate(-356.39)" class="nad-name" x="0.00" style="text-anchor:middle">NHV1_NHV2_3</text>
+        </g>
+        <g id="25" transform="translate(285.62,-57.72)">
+            <text transform="rotate(-38.68)" class="nad-name" x="0.00" style="text-anchor:middle">NHV2_NLOAD</text>
+        </g>
+    </g>
+    <g class="nad-text-edges">
+        <polyline id="2" points="-422.92,-278.46 -352.59,-289.01"/>
+        <polyline id="6" points="-215.60,29.85 -145.26,19.30"/>
+        <polyline id="10" points="170.00,54.16 240.33,43.61"/>
+        <polyline id="14" points="460.57,-178.50 530.90,-189.05"/>
+    </g>
+    <g class="nad-text-nodes">
+        <foreignObject id="1" y="-314.01" x="-352.59" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl0to30 nad-label-box">
+                <div>VLGEN</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span> kV / °</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="5" y="-5.70" x="-145.26" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl300to500 nad-label-box">
+                <div>VLHV1</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span> kV / °</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="9" y="18.61" x="240.33" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl300to500 nad-label-box">
+                <div>VLHV2</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span> kV / °</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="13" y="-214.05" x="530.90" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl120to180 nad-label-box">
+                <div>VLLOAD</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span> kV / °</div>
+            </div>
+        </foreignObject>
+    </g>
+</svg>
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-eurostag-tutorial-example1_metadata.json b/packages/network-viewer-core/src/resources/test-data/nad-eurostag-tutorial-example1_metadata.json
new file mode 100644
index 00000000..7865046d
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-eurostag-tutorial-example1_metadata.json
@@ -0,0 +1,243 @@
+{
+  "layoutParameters" : {
+    "textNodesForceLayout" : false,
+    "textNodeFixedShift" : {
+      "x" : 100.0,
+      "y" : -40.0
+    },
+    "maxSteps" : 1000,
+    "timeoutSeconds" : 15.0,
+    "textNodeEdgeConnectionYShift" : 25.0,
+    "injectionsAdded" : false,
+    "scaleFactor" : 1.0
+  },
+  "svgParameters" : {
+    "diagramPadding" : {
+      "left" : 200.0,
+      "top" : 200.0,
+      "right" : 200.0,
+      "bottom" : 200.0
+    },
+    "insertNameDesc" : false,
+    "svgWidthAndHeightAdded" : false,
+    "cssLocation" : "EXTERNAL_NO_IMPORT",
+    "sizeConstraint" : "FIXED_SCALE",
+    "fixedWidth" : -1,
+    "fixedHeight" : -1,
+    "fixedScale" : 0.2,
+    "arrowShift" : 30.0,
+    "arrowLabelShift" : 19.0,
+    "converterStationWidth" : 70.0,
+    "voltageLevelCircleRadius" : 30.0,
+    "fictitiousVoltageLevelCircleRadius" : 15.0,
+    "transformerCircleRadius" : 20.0,
+    "nodeHollowWidth" : 15.0,
+    "edgesForkLength" : 80.0,
+    "edgesForkAperture" : 60.0,
+    "edgeStartShift" : 0.0,
+    "unknownBusNodeExtraRadius" : 10.0,
+    "loopDistance" : 120.0,
+    "loopEdgesAperture" : 60.0,
+    "loopControlDistance" : 40.0,
+    "edgeInfoAlongEdge" : true,
+    "interAnnulusSpace" : 5.0,
+    "svgPrefix" : "",
+    "arrowPathIn" : "M-10 -10 H10 L0 10z",
+    "arrowPathOut" : "M-10 10 H10 L0 -10z",
+    "languageTag" : "en",
+    "voltageValuePrecision" : 1,
+    "powerValuePrecision" : 0,
+    "angleValuePrecision" : 1,
+    "currentValuePrecision" : 0,
+    "percentageValuePrecision" : 0,
+    "pstArrowHeadSize" : 8.0,
+    "undefinedValueSymbol" : "",
+    "highlightGraph" : false,
+    "injectionAperture" : 10.0,
+    "injectionEdgeLength" : 145.0,
+    "injectionCircleRadius" : 25.0,
+    "voltageLevelLegendsIncluded" : true,
+    "edgeInfosIncluded" : true,
+    "doubleArrowShiftFactorArrows" : 1.5,
+    "doubleArrowShiftFactorText" : 1.8
+  },
+  "busNodes" : [ {
+    "svgId" : "3",
+    "equipmentId" : "VLGEN_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "0",
+    "legend" : " kV / °",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "7",
+    "equipmentId" : "VLHV1_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "4",
+    "legend" : " kV / °",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "11",
+    "equipmentId" : "VLHV2_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "8",
+    "legend" : " kV / °",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "15",
+    "equipmentId" : "VLLOAD_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "12",
+    "legend" : " kV / °",
+    "classes" : [ "nad-bus-0" ]
+  } ],
+  "nodes" : [ {
+    "svgId" : "0",
+    "equipmentId" : "VLGEN",
+    "x" : -452.59,
+    "y" : -274.01,
+    "legendSvgId" : "1",
+    "legendEdgeSvgId" : "2",
+    "legendHeader" : [ "VLGEN" ],
+    "classes" : [ "nad-vl0to30" ]
+  }, {
+    "svgId" : "4",
+    "equipmentId" : "VLHV1",
+    "x" : -245.26,
+    "y" : 34.3,
+    "legendSvgId" : "5",
+    "legendEdgeSvgId" : "6",
+    "legendHeader" : [ "VLHV1" ],
+    "classes" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "8",
+    "equipmentId" : "VLHV2",
+    "x" : 140.33,
+    "y" : 58.61,
+    "legendSvgId" : "9",
+    "legendEdgeSvgId" : "10",
+    "legendHeader" : [ "VLHV2" ],
+    "classes" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "12",
+    "equipmentId" : "VLLOAD",
+    "x" : 430.9,
+    "y" : -174.05,
+    "legendSvgId" : "13",
+    "legendEdgeSvgId" : "14",
+    "legendHeader" : [ "VLLOAD" ],
+    "classes" : [ "nad-vl120to180" ]
+  } ],
+  "edges" : [ {
+    "svgId" : "16",
+    "equipmentId" : "NGEN_NHV1",
+    "node1" : "0",
+    "node2" : "4",
+    "busNode1" : "3",
+    "busNode2" : "7",
+    "type" : "TwoWtEdge",
+    "edgeInfoMiddle" : {
+      "svgId" : "17",
+      "infoTypeA" : "Name",
+      "labelA" : "NGEN_NHV1"
+    },
+    "classes1" : [ "nad-vl0to30" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "18",
+    "equipmentId" : "NHV1_NHV2_1",
+    "node1" : "4",
+    "node2" : "8",
+    "busNode1" : "7",
+    "busNode2" : "11",
+    "type" : "LineEdge",
+    "edgeInfoMiddle" : {
+      "svgId" : "19",
+      "infoTypeA" : "Name",
+      "labelA" : "NHV1_NHV2_1"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "20",
+    "equipmentId" : "NHV1_NHV2_2",
+    "node1" : "4",
+    "node2" : "8",
+    "busNode1" : "7",
+    "busNode2" : "11",
+    "type" : "LineEdge",
+    "edgeInfoMiddle" : {
+      "svgId" : "21",
+      "infoTypeA" : "Name",
+      "labelA" : "NHV1_NHV2_2"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "22",
+    "equipmentId" : "NHV1_NHV2_3",
+    "node1" : "8",
+    "node2" : "4",
+    "busNode1" : "11",
+    "busNode2" : "7",
+    "type" : "LineEdge",
+    "edgeInfoMiddle" : {
+      "svgId" : "23",
+      "infoTypeA" : "Name",
+      "labelA" : "NHV1_NHV2_3"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "24",
+    "equipmentId" : "NHV2_NLOAD",
+    "node1" : "8",
+    "node2" : "12",
+    "busNode1" : "11",
+    "busNode2" : "15",
+    "type" : "TwoWtEdge",
+    "edgeInfoMiddle" : {
+      "svgId" : "25",
+      "infoTypeA" : "Name",
+      "labelA" : "NHV2_NLOAD"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl120to180" ]
+  } ],
+  "textNodes" : [ {
+    "svgId" : "1",
+    "equipmentId" : "VLGEN",
+    "vlNode" : "0",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "5",
+    "equipmentId" : "VLHV1",
+    "vlNode" : "4",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "9",
+    "equipmentId" : "VLHV2",
+    "vlNode" : "8",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "13",
+    "equipmentId" : "VLLOAD",
+    "vlNode" : "12",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  } ]
+}
\ No newline at end of file
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-four-substations-multiple-labels.svg b/packages/network-viewer-core/src/resources/test-data/nad-four-substations-multiple-labels.svg
new file mode 100644
index 00000000..ba6611be
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-four-substations-multiple-labels.svg
@@ -0,0 +1,178 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg viewBox="-420.40 -755.14 1217.75 1257.45" xmlns="http://www.w3.org/2000/svg">
+    <g class="nad-vl-nodes">
+        <g transform="translate(-220.40,-515.14)" id="0" class="nad-vl180to300">
+            <circle r="27.50" id="3" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(-152.34,-133.80)" id="4" class="nad-vl300to500">
+            <circle r="27.50" id="7" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(-162.93,231.51)" id="8" class="nad-vl300to500">
+            <circle r="27.50" id="11" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(171.13,91.69)" id="12" class="nad-vl300to500">
+            <circle r="27.50" id="15" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(497.34,302.31)" id="16" class="nad-vl300to500">
+            <circle r="27.50" id="19" class="nad-bus-0 nad-busnode"/>
+        </g>
+    </g>
+    <g class="nad-branch-edges">
+        <g id="20">
+            <polyline class="nad-vl180to300 nad-edge-path" points="-215.57,-488.07 -191.64,-354.01"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="-157.17,-160.87 -181.10,-294.94"/>
+            <g>
+                <circle class="nad-vl180to300 nad-winding" cx="-188.13" cy="-334.32" r="20.00"/>
+                <circle class="nad-vl300to500 nad-winding" cx="-184.62" cy="-314.63" r="20.00"/>
+                <path d="M60.00,0 0,60.00 M52.00,0 60.00,0 60.00,8.00" transform="matrix(0.18,0.98,-0.98,0.18,-162.11,-359.28)" class="nad-pst-arrow"/>
+            </g>
+        </g>
+        <g id="24" class="nad-hvdc-edge">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-129.78,-118.08 9.40,-21.06"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="148.57,75.96 9.40,-21.06"/>
+            <g>
+                <polyline points="-19.32,-41.07 38.11,-1.04" class="nad-hvdc"/>
+            </g>
+        </g>
+        <g id="28" class="nad-hvdc-edge">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-153.14,-106.31 -157.64,48.86"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="-162.13,204.03 -157.64,48.86"/>
+            <g>
+                <polyline points="-156.62,13.87 -158.65,83.84" class="nad-hvdc"/>
+            </g>
+        </g>
+        <g id="32">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-137.56,220.90 4.10,161.60"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="145.77,102.31 4.10,161.60"/>
+        </g>
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diff --git a/packages/network-viewer-core/src/resources/test-data/nad-four-substations-multiple-labels_metadata.json b/packages/network-viewer-core/src/resources/test-data/nad-four-substations-multiple-labels_metadata.json
new file mode 100644
index 00000000..d4a4863d
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-four-substations-multiple-labels_metadata.json
@@ -0,0 +1,367 @@
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+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  } ]
+}
\ No newline at end of file
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-four-substations.svg b/packages/network-viewer-core/src/resources/test-data/nad-four-substations.svg
new file mode 100644
index 00000000..61e203a5
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-four-substations.svg
@@ -0,0 +1,139 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg viewBox="-420.40 -755.14 1217.75 1257.45" xmlns="http://www.w3.org/2000/svg">
+    <g class="nad-vl-nodes">
+        <g transform="translate(-220.40,-515.14)" id="0" class="nad-vl180to300">
+            <circle r="27.50" id="3" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(-152.34,-133.80)" id="4" class="nad-vl300to500">
+            <circle r="27.50" id="7" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(-162.93,231.51)" id="8" class="nad-vl300to500">
+            <circle r="27.50" id="11" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(171.13,91.69)" id="12" class="nad-vl300to500">
+            <circle r="27.50" id="15" class="nad-bus-0 nad-busnode"/>
+        </g>
+        <g transform="translate(497.34,302.31)" id="16" class="nad-vl300to500">
+            <circle r="27.50" id="19" class="nad-bus-0 nad-busnode"/>
+        </g>
+    </g>
+    <g class="nad-branch-edges">
+        <g id="20">
+            <polyline class="nad-vl180to300 nad-edge-path" points="-215.57,-488.07 -191.64,-354.01"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="-157.17,-160.87 -181.10,-294.94"/>
+            <g>
+                <circle class="nad-vl180to300 nad-winding" cx="-188.13" cy="-334.32" r="20.00"/>
+                <circle class="nad-vl300to500 nad-winding" cx="-184.62" cy="-314.63" r="20.00"/>
+                <path d="M60.00,0 0,60.00 M52.00,0 60.00,0 60.00,8.00" transform="matrix(0.18,0.98,-0.98,0.18,-162.11,-359.28)" class="nad-pst-arrow"/>
+            </g>
+        </g>
+        <g id="23" class="nad-hvdc-edge">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-129.78,-118.08 9.40,-21.06"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="148.57,75.96 9.40,-21.06"/>
+            <g>
+                <polyline points="-19.32,-41.07 38.11,-1.04" class="nad-hvdc"/>
+            </g>
+        </g>
+        <g id="26" class="nad-hvdc-edge">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-153.14,-106.31 -157.64,48.86"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="-162.13,204.03 -157.64,48.86"/>
+            <g>
+                <polyline points="-156.62,13.87 -158.65,83.84" class="nad-hvdc"/>
+            </g>
+        </g>
+        <g id="29">
+            <polyline class="nad-vl300to500 nad-edge-path" points="-137.56,220.90 4.10,161.60"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="145.77,102.31 4.10,161.60"/>
+        </g>
+        <g id="32">
+            <polyline class="nad-vl300to500 nad-edge-path" points="194.24,106.60 334.24,197.00"/>
+            <polyline class="nad-vl300to500 nad-edge-path" points="474.24,287.39 334.24,197.00"/>
+        </g>
+    </g>
+    <g class="nad-edge-infos">
+        <g id="21" transform="translate(-209.86,-456.08)">
+            <path transform="rotate(169.88)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(79.88)" class="nad-active" x="19.00">-80</text>
+        </g>
+        <g id="22" transform="translate(-162.88,-192.87)">
+            <path transform="rotate(-10.12)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-280.12)" class="nad-active" x="-19.00" style="text-anchor:end">80</text>
+        </g>
+        <g id="24" transform="translate(-103.12,-99.49)">
+            <path transform="rotate(124.88)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(34.88)" class="nad-active" x="19.00">81</text>
+        </g>
+        <g id="25" transform="translate(121.91,57.38)">
+            <path transform="rotate(-55.12)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-325.12)" class="nad-active" x="-19.00" style="text-anchor:end">-79</text>
+        </g>
+        <g id="27" transform="translate(-154.08,-73.83)">
+            <path transform="rotate(-178.34)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-88.34)" class="nad-active" x="-19.00" style="text-anchor:end">10</text>
+        </g>
+        <g id="28" transform="translate(-161.19,171.54)">
+            <path transform="rotate(1.66)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-88.34)" class="nad-active" x="19.00">-10</text>
+        </g>
+        <g id="30" transform="translate(-107.58,208.35)">
+            <path transform="rotate(67.29)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-22.71)" class="nad-active" x="19.00">110</text>
+        </g>
+        <g id="31" transform="translate(115.79,114.85)">
+            <path transform="rotate(-112.71)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-22.71)" class="nad-active" x="-19.00" style="text-anchor:end">-110</text>
+        </g>
+        <g id="33" transform="translate(221.54,124.23)">
+            <path transform="rotate(122.85)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(32.85)" class="nad-active" x="19.00">240</text>
+        </g>
+        <g id="34" transform="translate(446.94,269.76)">
+            <path transform="rotate(-57.15)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-327.15)" class="nad-active" x="-19.00" style="text-anchor:end">-240</text>
+        </g>
+    </g>
+    <g class="nad-text-edges">
+        <polyline id="2" points="-190.74,-519.59 -120.40,-530.14"/>
+        <polyline id="6" points="-122.67,-138.25 -52.34,-148.80"/>
+        <polyline id="10" points="-133.26,227.06 -62.93,216.51"/>
+        <polyline id="14" points="200.80,87.24 271.13,76.69"/>
+        <polyline id="18" points="527.01,297.86 597.34,287.31"/>
+    </g>
+    <g class="nad-text-nodes">
+        <foreignObject id="1" y="-555.14" x="-120.40" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl180to300 nad-label-box">
+                <div>S1VL1</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>224.6 kV / 2.3°</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="5" y="-173.80" x="-52.34" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl300to500 nad-label-box">
+                <div>S1VL2</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>400.0 kV / 0.0°</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="9" y="191.51" x="-62.93" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl300to500 nad-label-box">
+                <div>S2VL1</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>408.8 kV / 0.7°</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="13" y="51.69" x="271.13" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl300to500 nad-label-box">
+                <div>S3VL1</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>400.0 kV / 0.0°</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="17" y="262.31" x="597.34" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl300to500 nad-label-box">
+                <div>S4VL1</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>400.0 kV / -1.1°</div>
+            </div>
+        </foreignObject>
+    </g>
+</svg>
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-four-substations_metadata.json b/packages/network-viewer-core/src/resources/test-data/nad-four-substations_metadata.json
new file mode 100644
index 00000000..35c76957
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-four-substations_metadata.json
@@ -0,0 +1,303 @@
+{
+  "layoutParameters" : {
+    "textNodesForceLayout" : false,
+    "textNodeFixedShift" : {
+      "x" : 100.0,
+      "y" : -40.0
+    },
+    "maxSteps" : 1000,
+    "timeoutSeconds" : 15.0,
+    "textNodeEdgeConnectionYShift" : 25.0,
+    "injectionsAdded" : false,
+    "scaleFactor" : 1.0
+  },
+  "svgParameters" : {
+    "diagramPadding" : {
+      "left" : 200.0,
+      "top" : 200.0,
+      "right" : 200.0,
+      "bottom" : 200.0
+    },
+    "insertNameDesc" : false,
+    "svgWidthAndHeightAdded" : false,
+    "cssLocation" : "EXTERNAL_NO_IMPORT",
+    "sizeConstraint" : "FIXED_SCALE",
+    "fixedWidth" : -1,
+    "fixedHeight" : -1,
+    "fixedScale" : 0.2,
+    "arrowShift" : 30.0,
+    "arrowLabelShift" : 19.0,
+    "converterStationWidth" : 70.0,
+    "voltageLevelCircleRadius" : 30.0,
+    "fictitiousVoltageLevelCircleRadius" : 15.0,
+    "transformerCircleRadius" : 20.0,
+    "nodeHollowWidth" : 15.0,
+    "edgesForkLength" : 80.0,
+    "edgesForkAperture" : 60.0,
+    "edgeStartShift" : 0.0,
+    "unknownBusNodeExtraRadius" : 10.0,
+    "loopDistance" : 120.0,
+    "loopEdgesAperture" : 60.0,
+    "loopControlDistance" : 40.0,
+    "edgeInfoAlongEdge" : true,
+    "interAnnulusSpace" : 5.0,
+    "svgPrefix" : "",
+    "arrowPathIn" : "M-10 -10 H10 L0 10z",
+    "arrowPathOut" : "M-10 10 H10 L0 -10z",
+    "languageTag" : "en",
+    "voltageValuePrecision" : 1,
+    "powerValuePrecision" : 0,
+    "angleValuePrecision" : 1,
+    "currentValuePrecision" : 0,
+    "percentageValuePrecision" : 0,
+    "pstArrowHeadSize" : 8.0,
+    "undefinedValueSymbol" : "",
+    "highlightGraph" : false,
+    "injectionAperture" : 10.0,
+    "injectionEdgeLength" : 145.0,
+    "injectionCircleRadius" : 25.0,
+    "voltageLevelLegendsIncluded" : true,
+    "edgeInfosIncluded" : true,
+    "doubleArrowShiftFactorArrows" : 1.5,
+    "doubleArrowShiftFactorText" : 1.8
+  },
+  "busNodes" : [ {
+    "svgId" : "3",
+    "equipmentId" : "S1VL1_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "0",
+    "legend" : "224.6 kV / 2.3°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "7",
+    "equipmentId" : "S1VL2_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "4",
+    "legend" : "400.0 kV / 0.0°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "11",
+    "equipmentId" : "S2VL1_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "8",
+    "legend" : "408.8 kV / 0.7°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "15",
+    "equipmentId" : "S3VL1_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "12",
+    "legend" : "400.0 kV / 0.0°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "19",
+    "equipmentId" : "S4VL1_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "16",
+    "legend" : "400.0 kV / -1.1°",
+    "classes" : [ "nad-bus-0" ]
+  } ],
+  "nodes" : [ {
+    "svgId" : "0",
+    "equipmentId" : "S1VL1",
+    "x" : -220.4,
+    "y" : -515.14,
+    "legendSvgId" : "1",
+    "legendEdgeSvgId" : "2",
+    "legendHeader" : [ "S1VL1" ],
+    "classes" : [ "nad-vl180to300" ]
+  }, {
+    "svgId" : "4",
+    "equipmentId" : "S1VL2",
+    "x" : -152.34,
+    "y" : -133.8,
+    "legendSvgId" : "5",
+    "legendEdgeSvgId" : "6",
+    "legendHeader" : [ "S1VL2" ],
+    "classes" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "8",
+    "equipmentId" : "S2VL1",
+    "x" : -162.93,
+    "y" : 231.51,
+    "legendSvgId" : "9",
+    "legendEdgeSvgId" : "10",
+    "legendHeader" : [ "S2VL1" ],
+    "classes" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "12",
+    "equipmentId" : "S3VL1",
+    "x" : 171.13,
+    "y" : 91.69,
+    "legendSvgId" : "13",
+    "legendEdgeSvgId" : "14",
+    "legendHeader" : [ "S3VL1" ],
+    "classes" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "16",
+    "equipmentId" : "S4VL1",
+    "x" : 497.34,
+    "y" : 302.31,
+    "legendSvgId" : "17",
+    "legendEdgeSvgId" : "18",
+    "legendHeader" : [ "S4VL1" ],
+    "classes" : [ "nad-vl300to500" ]
+  } ],
+  "edges" : [ {
+    "svgId" : "20",
+    "equipmentId" : "TWT",
+    "node1" : "0",
+    "node2" : "4",
+    "busNode1" : "3",
+    "busNode2" : "7",
+    "type" : "PstEdge",
+    "edgeInfo1" : {
+      "svgId" : "21",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-80"
+    },
+    "edgeInfo2" : {
+      "svgId" : "22",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "80"
+    },
+    "classes1" : [ "nad-vl180to300" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "23",
+    "equipmentId" : "HVDC2",
+    "node1" : "4",
+    "node2" : "12",
+    "busNode1" : "7",
+    "busNode2" : "15",
+    "type" : "HvdcLineLccEdge",
+    "edgeInfo1" : {
+      "svgId" : "24",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "81"
+    },
+    "edgeInfo2" : {
+      "svgId" : "25",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-79"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "26",
+    "equipmentId" : "HVDC1",
+    "node1" : "4",
+    "node2" : "8",
+    "busNode1" : "7",
+    "busNode2" : "11",
+    "type" : "HvdcLineVscEdge",
+    "edgeInfo1" : {
+      "svgId" : "27",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "10"
+    },
+    "edgeInfo2" : {
+      "svgId" : "28",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-10"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "29",
+    "equipmentId" : "LINE_S2S3",
+    "node1" : "8",
+    "node2" : "12",
+    "busNode1" : "11",
+    "busNode2" : "15",
+    "type" : "LineEdge",
+    "edgeInfo1" : {
+      "svgId" : "30",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "110"
+    },
+    "edgeInfo2" : {
+      "svgId" : "31",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-110"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  }, {
+    "svgId" : "32",
+    "equipmentId" : "LINE_S3S4",
+    "node1" : "12",
+    "node2" : "16",
+    "busNode1" : "15",
+    "busNode2" : "19",
+    "type" : "LineEdge",
+    "edgeInfo1" : {
+      "svgId" : "33",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "240"
+    },
+    "edgeInfo2" : {
+      "svgId" : "34",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-240"
+    },
+    "classes1" : [ "nad-vl300to500" ],
+    "classes2" : [ "nad-vl300to500" ]
+  } ],
+  "textNodes" : [ {
+    "svgId" : "1",
+    "equipmentId" : "S1VL1",
+    "vlNode" : "0",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "5",
+    "equipmentId" : "S1VL2",
+    "vlNode" : "4",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "9",
+    "equipmentId" : "S2VL1",
+    "vlNode" : "8",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "13",
+    "equipmentId" : "S3VL1",
+    "vlNode" : "12",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "17",
+    "equipmentId" : "S4VL1",
+    "vlNode" : "16",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  } ]
+}
\ No newline at end of file
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf-middle-arrow.svg b/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf-middle-arrow.svg
new file mode 100644
index 00000000..cbcfbee0
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf-middle-arrow.svg
@@ -0,0 +1,172 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg viewBox="-416.54 -699.68 1044.24 1489.00" xmlns="http://www.w3.org/2000/svg">
+    <g class="nad-vl-nodes">
+        <g transform="translate(-214.48,-93.81)" id="0" class="nad-vl70to120">
+            <circle r="17.50" id="3" class="nad-bus-0 nad-busnode"/>
+            <path d="M-13.128,-35.127 A37.500,37.500 337.082 1 1 -25.771,-27.242 L-17.498,-14.145 A22.500,22.500 -321.803 1 0 -5.005,-21.936 Z " id="5" class="nad-bus-2 nad-busnode"/>
+            <path d="M-23.825,-52.332 A57.500,57.500 165.053 0 1 36.516,44.417 L28.472,31.553 A42.500,42.500 -159.778 0 0 -15.811,-39.450 Z M23.825,52.332 A57.500,57.500 17.306 0 1 7.179,57.050 L7.241,41.879 A42.500,42.500 -12.031 0 0 15.811,39.450 Z M-7.779,56.971 A57.500,57.500 132.801 0 1 -36.516,-44.417 L-28.472,-31.553 A42.500,42.500 -127.525 0 0 -7.681,41.800 Z " id="4" class="nad-bus-1 nad-busnode"/>
+        </g>
+        <g transform="translate(-216.54,296.32)" id="6" class="nad-vl70to120">
+            <circle r="27.50" id="9" class="nad-bus-0 nad-busnode"/>
+            <path d="M-54.582,-18.084 A57.500,57.500 345.053 1 1 -57.400,-3.395 L-32.472,1.341 A32.500,32.500 -333.556 1 0 -29.672,-13.260 Z " id="10" class="nad-bus-1 nad-busnode"/>
+        </g>
+        <g transform="translate(109.34,-313.91)" id="11" class="nad-vl70to120">
+            <circle r="27.50" id="14" class="nad-bus-0 nad-busnode"/>
+        </g>
+    </g>
+    <g class="nad-branch-edges">
+        <g id="24">
+            <polyline class="nad-vl70to120 nad-edge-path" points="-166.93,-126.13 -40.16,-212.29"/>
+            <polyline class="nad-vl70to120 nad-edge-path" points="86.60,-298.45 -40.16,-212.29"/>
+        </g>
+        <g id="28">
+            <path class="nad-vl70to120 nad-edge-path" d="M-157.02,-95.76 L-134.53,-96.53 C-94.55,-97.89 -89.77,-72.68 -108.58,-37.38"/>
+            <path class="nad-vl70to120 nad-edge-path" d="M-194.64,-61.99 L-172.15,-25.93 C-150.98,8.01 -127.39,-2.08 -108.58,-37.38"/>
+        </g>
+        <g id="32">
+            <polyline class="nad-vl70to120 nad-edge-path" points="-216.23,238.82 -215.46,91.26"/>
+            <polyline class="nad-vl70to120 nad-edge-path" points="-214.68,-56.31 -215.46,91.26"/>
+        </g>
+        <g id="36">
+            <path class="nad-vl70to120 nad-edge-path" d="M-271.95,-91.85 L-294.44,-91.08 C-334.41,-89.72 -339.20,-114.93 -334.50,-123.76"/>
+            <path class="nad-vl70to120 nad-edge-path" d="M-223.74,-108.65 L-256.82,-161.69 C-277.99,-195.63 -301.58,-185.53 -306.28,-176.71"/>
+            <g>
+                <circle class="nad-vl70to120 nad-winding" cx="-325.09" cy="-141.41" r="20.00"/>
+                <circle class="nad-vl70to120 nad-winding" cx="-315.69" cy="-159.06" r="20.00"/>
+            </g>
+        </g>
+        <g id="40">
+            <polyline class="nad-vl70to120 nad-edge-path" points="-180.67,341.26 -90.29,454.54"/>
+        </g>
+        <g id="44">
+            <path class="nad-vl70to120 nad-edge-path" d="M-254.15,339.81 L-268.87,356.82 C-295.04,387.08 -316.78,373.46 -320.06,364.01"/>
+            <path class="nad-vl70to120 nad-edge-path" d="M-243.54,291.14 L-295.10,281.25 C-334.39,273.71 -343.02,297.88 -339.74,307.33"/>
+            <g>
+                <circle class="nad-vl70to120 nad-winding" cx="-326.62" cy="345.11" r="20.00"/>
+                <circle class="nad-vl70to120 nad-winding" cx="-333.18" cy="326.22" r="20.00"/>
+            </g>
+        </g>
+        <g id="48">
+            <polyline class="nad-vl70to120 nad-edge-path" points="133.10,-327.77 255.57,-399.23"/>
+        </g>
+    </g>
+    <g class="nad-edge-infos">
+        <g id="25" transform="translate(-140.05,-144.40)">
+            <path transform="rotate(55.80)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-34.20)" class="nad-active" x="19.00">78</text>
+        </g>
+        <g id="26" transform="translate(59.72,-280.18)">
+            <path transform="rotate(-124.20)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-34.20)" class="nad-active" x="-19.00" style="text-anchor:end">-76</text>
+        </g>
+        <g id="27" transform="translate(-40.16,-212.29)">
+            <path transform="rotate(55.80)" class="nad-current nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-34.20)" class="nad-current" x="19.00">444</text>
+            <text transform="rotate(-34.20)" class="nad-name" x="-19.00" style="text-anchor:end">L7-5-0</text>
+        </g>
+        <g id="29" transform="translate(-134.53,-96.53)">
+            <path transform="rotate(88.05)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-1.95)" class="nad-active" x="19.00">85</text>
+        </g>
+        <g id="30" transform="translate(-172.15,-25.93)">
+            <path transform="rotate(148.05)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(58.05)" class="nad-active" x="19.00">-85</text>
+        </g>
+        <g id="31" transform="translate(-108.58,-37.38)">
+            <path transform="rotate(-151.95)" class="nad-current nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-61.95)" class="nad-current" x="-19.00" style="text-anchor:end">488</text>
+            <text transform="rotate(-61.95)" class="nad-name" x="19.00">L7-8-0</text>
+        </g>
+        <g id="33" transform="translate(-216.06,206.32)">
+            <path transform="rotate(0.30)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-89.70)" class="nad-active" x="19.00">15</text>
+        </g>
+        <g id="34" transform="translate(-214.96,-3.81)">
+            <path transform="rotate(-179.70)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-89.70)" class="nad-active" x="-19.00" style="text-anchor:end">-15</text>
+        </g>
+        <g id="35" transform="translate(-215.46,91.26)">
+            <path transform="rotate(0.30)" class="nad-current nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-89.70)" class="nad-current" x="19.00">83</text>
+            <text transform="rotate(-89.70)" class="nad-name" x="-19.00" style="text-anchor:end">L9-8-0</text>
+        </g>
+        <g id="37" transform="translate(-294.44,-91.08)">
+            <path transform="rotate(-91.95)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-1.95)" class="nad-active" x="-19.00" style="text-anchor:end">-163</text>
+        </g>
+        <g id="38" transform="translate(-256.82,-161.69)">
+            <path transform="rotate(-31.95)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-301.95)" class="nad-active" x="-19.00" style="text-anchor:end">163</text>
+        </g>
+        <g id="39" transform="translate(-320.39,-150.23)">
+            <path transform="rotate(28.05)" class="nad-current nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-61.95)" class="nad-current" x="19.00">923</text>
+            <text transform="rotate(-61.95)" class="nad-name" x="-19.00" style="text-anchor:end">T7-2-0</text>
+        </g>
+        <g id="41" transform="translate(-160.40,366.67)">
+            <path transform="rotate(141.41)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(51.41)" class="nad-active" x="19.00">70</text>
+        </g>
+        <g id="43" transform="translate(-90.29,454.54)">
+            <path transform="rotate(141.41)" class="nad-current nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(51.41)" class="nad-current" x="19.00">405</text>
+            <text transform="rotate(51.41)" class="nad-name" x="-19.00" style="text-anchor:end">L9-6-0</text>
+        </g>
+        <g id="45" transform="translate(-268.87,356.82)">
+            <path transform="rotate(-139.14)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-49.14)" class="nad-active" x="-19.00" style="text-anchor:end">-85</text>
+        </g>
+        <g id="46" transform="translate(-295.10,281.25)">
+            <path transform="rotate(-79.14)" class="nad-active nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-349.14)" class="nad-active" x="-19.00" style="text-anchor:end">85</text>
+        </g>
+        <g id="47" transform="translate(-329.90,335.67)">
+            <path transform="rotate(-19.14)" class="nad-current nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-289.14)" class="nad-current" x="-19.00" style="text-anchor:end">484</text>
+            <text transform="rotate(-289.14)" class="nad-name" x="19.00">T9-3-0</text>
+        </g>
+        <g id="49" transform="translate(161.17,-344.15)">
+            <path transform="rotate(59.74)" class="nad-active nad-arrow-in" d="M-10 -10 H10 L0 10z"/>
+            <text transform="rotate(-30.26)" class="nad-active" x="19.00">-49</text>
+        </g>
+        <g id="51" transform="translate(255.57,-399.23)">
+            <path transform="rotate(59.74)" class="nad-current nad-arrow-out" d="M-10 10 H10 L0 -10z"/>
+            <text transform="rotate(-30.26)" class="nad-current" x="19.00">364</text>
+            <text transform="rotate(-30.26)" class="nad-name" x="-19.00" style="text-anchor:end">L5-4-0</text>
+        </g>
+    </g>
+    <g class="nad-text-edges">
+        <polyline id="2" points="-155.15,-102.71 -114.48,-108.81"/>
+        <polyline id="8" points="-157.20,287.42 -116.54,281.32"/>
+        <polyline id="13" points="139.01,-318.36 209.34,-328.91"/>
+    </g>
+    <g class="nad-text-nodes">
+        <foreignObject id="1" y="-133.81" x="-114.48" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl70to120 nad-label-box">
+                <div>VL2</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>102.5 kV / 8.2°</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-2 nad-legend-square"></span>101.9 kV / 2.6°</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-1 nad-legend-square"></span>101.9 kV / 2.6°</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="7" y="256.32" x="-116.54" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl70to120 nad-label-box">
+                <div>VL3</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>102.5 kV / 6.0°</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-1 nad-legend-square"></span>103.3 kV / 3.3°</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="12" y="-353.91" x="209.34" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl70to120 nad-label-box">
+                <div>VL5</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>99.3 kV / -4.4°</div>
+            </div>
+        </foreignObject>
+    </g>
+</svg>
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf-middle-arrow_metadata.json b/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf-middle-arrow_metadata.json
new file mode 100644
index 00000000..01b6097f
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf-middle-arrow_metadata.json
@@ -0,0 +1,423 @@
+{
+  "layoutParameters" : {
+    "textNodesForceLayout" : false,
+    "textNodeFixedShift" : {
+      "x" : 100.0,
+      "y" : -40.0
+    },
+    "maxSteps" : 1000,
+    "timeoutSeconds" : 15.0,
+    "textNodeEdgeConnectionYShift" : 25.0,
+    "injectionsAdded" : false,
+    "scaleFactor" : 1.0
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+  "svgParameters" : {
+    "diagramPadding" : {
+      "left" : 200.0,
+      "top" : 200.0,
+      "right" : 200.0,
+      "bottom" : 200.0
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+    "insertNameDesc" : false,
+    "svgWidthAndHeightAdded" : false,
+    "cssLocation" : "EXTERNAL_NO_IMPORT",
+    "sizeConstraint" : "FIXED_SCALE",
+    "fixedWidth" : -1,
+    "fixedHeight" : -1,
+    "fixedScale" : 0.2,
+    "arrowShift" : 30.0,
+    "arrowLabelShift" : 19.0,
+    "converterStationWidth" : 70.0,
+    "voltageLevelCircleRadius" : 30.0,
+    "fictitiousVoltageLevelCircleRadius" : 15.0,
+    "transformerCircleRadius" : 20.0,
+    "nodeHollowWidth" : 15.0,
+    "edgesForkLength" : 80.0,
+    "edgesForkAperture" : 60.0,
+    "edgeStartShift" : 0.0,
+    "unknownBusNodeExtraRadius" : 10.0,
+    "loopDistance" : 120.0,
+    "loopEdgesAperture" : 60.0,
+    "loopControlDistance" : 40.0,
+    "edgeInfoAlongEdge" : true,
+    "interAnnulusSpace" : 5.0,
+    "svgPrefix" : "",
+    "arrowPathIn" : "M-10 -10 H10 L0 10z",
+    "arrowPathOut" : "M-10 10 H10 L0 -10z",
+    "languageTag" : "en",
+    "voltageValuePrecision" : 1,
+    "powerValuePrecision" : 0,
+    "angleValuePrecision" : 1,
+    "currentValuePrecision" : 0,
+    "percentageValuePrecision" : 0,
+    "pstArrowHeadSize" : 8.0,
+    "undefinedValueSymbol" : "",
+    "highlightGraph" : false,
+    "injectionAperture" : 10.0,
+    "injectionEdgeLength" : 145.0,
+    "injectionCircleRadius" : 25.0,
+    "voltageLevelLegendsIncluded" : true,
+    "edgeInfosIncluded" : true,
+    "doubleArrowShiftFactorArrows" : 1.5,
+    "doubleArrowShiftFactorText" : 1.8
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+  "busNodes" : [ {
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+    "equipmentId" : "VL2_0",
+    "nbNeighbours" : 2,
+    "index" : 0,
+    "vlNode" : "0",
+    "legend" : "102.5 kV / 8.2°",
+    "classes" : [ "nad-bus-0" ]
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+    "svgId" : "5",
+    "equipmentId" : "VL2_2",
+    "nbNeighbours" : 2,
+    "index" : 1,
+    "vlNode" : "0",
+    "legend" : "101.9 kV / 2.6°",
+    "classes" : [ "nad-bus-2" ]
+  }, {
+    "svgId" : "4",
+    "equipmentId" : "VL2_1",
+    "nbNeighbours" : 2,
+    "index" : 2,
+    "vlNode" : "0",
+    "legend" : "101.9 kV / 2.6°",
+    "classes" : [ "nad-bus-1" ]
+  }, {
+    "svgId" : "9",
+    "equipmentId" : "VL3_0",
+    "nbNeighbours" : 1,
+    "index" : 0,
+    "vlNode" : "6",
+    "legend" : "102.5 kV / 6.0°",
+    "classes" : [ "nad-bus-0" ]
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+    "svgId" : "10",
+    "equipmentId" : "VL3_1",
+    "nbNeighbours" : 1,
+    "index" : 1,
+    "vlNode" : "6",
+    "legend" : "103.3 kV / 3.3°",
+    "classes" : [ "nad-bus-1" ]
+  }, {
+    "svgId" : "14",
+    "equipmentId" : "VL5_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "11",
+    "legend" : "99.3 kV / -4.4°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "18",
+    "equipmentId" : "VL1_0",
+    "nbNeighbours" : 1,
+    "index" : 0,
+    "vlNode" : "15",
+    "legend" : "104.0 kV / 0.0°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "19",
+    "equipmentId" : "VL1_1",
+    "nbNeighbours" : 1,
+    "index" : 1,
+    "vlNode" : "15",
+    "legend" : "102.5 kV / -2.2°",
+    "classes" : [ "nad-bus-1" ]
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+    "svgId" : "23",
+    "equipmentId" : "VL6_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "20",
+    "legend" : "101.1 kV / -3.2°",
+    "classes" : [ "nad-bus-0" ]
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+    "legendEdgeSvgId" : "2",
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+    "classes" : [ "nad-vl70to120" ]
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+    "legendSvgId" : "7",
+    "legendEdgeSvgId" : "8",
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+    "classes" : [ "nad-vl70to120" ]
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+    "x" : 109.34,
+    "y" : -313.91,
+    "legendSvgId" : "12",
+    "legendEdgeSvgId" : "13",
+    "legendHeader" : [ "VL5" ],
+    "classes" : [ "nad-vl70to120" ]
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+    "equipmentId" : "VL1",
+    "x" : 427.7,
+    "y" : -499.68,
+    "invisible" : true,
+    "legendSvgId" : "16",
+    "legendEdgeSvgId" : "17",
+    "legendHeader" : [ "VL1" ],
+    "classes" : [ "nad-vl70to120" ]
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+    "y" : 589.32,
+    "invisible" : true,
+    "legendSvgId" : "21",
+    "legendEdgeSvgId" : "22",
+    "legendHeader" : [ "VL6" ],
+    "classes" : [ "nad-vl70to120" ]
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+  "edges" : [ {
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+    "equipmentId" : "L7-5-0",
+    "node1" : "0",
+    "node2" : "11",
+    "busNode1" : "4",
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+    "type" : "LineEdge",
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+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "78"
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+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-76"
+    },
+    "edgeInfoMiddle" : {
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+      "infoTypeA" : "Name",
+      "infoTypeB" : "Current",
+      "direction" : "OUT",
+      "labelA" : "L7-5-0",
+      "labelB" : "444"
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+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  }, {
+    "svgId" : "28",
+    "equipmentId" : "L7-8-0",
+    "node1" : "0",
+    "node2" : "0",
+    "busNode1" : "4",
+    "busNode2" : "5",
+    "type" : "LineEdge",
+    "edgeInfo1" : {
+      "svgId" : "29",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "85"
+    },
+    "edgeInfo2" : {
+      "svgId" : "30",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-85"
+    },
+    "edgeInfoMiddle" : {
+      "svgId" : "31",
+      "infoTypeA" : "Name",
+      "infoTypeB" : "Current",
+      "direction" : "OUT",
+      "labelA" : "L7-8-0",
+      "labelB" : "488"
+    },
+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  }, {
+    "svgId" : "32",
+    "equipmentId" : "L9-8-0",
+    "node1" : "6",
+    "node2" : "0",
+    "busNode1" : "10",
+    "busNode2" : "5",
+    "type" : "LineEdge",
+    "edgeInfo1" : {
+      "svgId" : "33",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "15"
+    },
+    "edgeInfo2" : {
+      "svgId" : "34",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-15"
+    },
+    "edgeInfoMiddle" : {
+      "svgId" : "35",
+      "infoTypeA" : "Name",
+      "infoTypeB" : "Current",
+      "direction" : "OUT",
+      "labelA" : "L9-8-0",
+      "labelB" : "83"
+    },
+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  }, {
+    "svgId" : "36",
+    "equipmentId" : "T7-2-0",
+    "node1" : "0",
+    "node2" : "0",
+    "busNode1" : "4",
+    "busNode2" : "3",
+    "type" : "TwoWtEdge",
+    "edgeInfo1" : {
+      "svgId" : "37",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-163"
+    },
+    "edgeInfo2" : {
+      "svgId" : "38",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "163"
+    },
+    "edgeInfoMiddle" : {
+      "svgId" : "39",
+      "infoTypeA" : "Name",
+      "infoTypeB" : "Current",
+      "direction" : "OUT",
+      "labelA" : "T7-2-0",
+      "labelB" : "923"
+    },
+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  }, {
+    "svgId" : "40",
+    "equipmentId" : "L9-6-0",
+    "node1" : "6",
+    "node2" : "20",
+    "busNode1" : "10",
+    "busNode2" : "23",
+    "type" : "LineEdge",
+    "invisible2" : true,
+    "edgeInfo1" : {
+      "svgId" : "41",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "70"
+    },
+    "edgeInfo2" : {
+      "svgId" : "42",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-68"
+    },
+    "edgeInfoMiddle" : {
+      "svgId" : "43",
+      "infoTypeA" : "Name",
+      "infoTypeB" : "Current",
+      "direction" : "OUT",
+      "labelA" : "L9-6-0",
+      "labelB" : "405"
+    },
+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  }, {
+    "svgId" : "44",
+    "equipmentId" : "T9-3-0",
+    "node1" : "6",
+    "node2" : "6",
+    "busNode1" : "10",
+    "busNode2" : "9",
+    "type" : "TwoWtEdge",
+    "edgeInfo1" : {
+      "svgId" : "45",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-85"
+    },
+    "edgeInfo2" : {
+      "svgId" : "46",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "85"
+    },
+    "edgeInfoMiddle" : {
+      "svgId" : "47",
+      "infoTypeA" : "Name",
+      "infoTypeB" : "Current",
+      "direction" : "OUT",
+      "labelA" : "T9-3-0",
+      "labelB" : "484"
+    },
+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  }, {
+    "svgId" : "48",
+    "equipmentId" : "L5-4-0",
+    "node1" : "11",
+    "node2" : "15",
+    "busNode1" : "14",
+    "busNode2" : "19",
+    "type" : "LineEdge",
+    "invisible2" : true,
+    "edgeInfo1" : {
+      "svgId" : "49",
+      "infoTypeB" : "ActivePower",
+      "direction" : "IN",
+      "labelB" : "-49"
+    },
+    "edgeInfo2" : {
+      "svgId" : "50",
+      "infoTypeB" : "ActivePower",
+      "direction" : "OUT",
+      "labelB" : "49"
+    },
+    "edgeInfoMiddle" : {
+      "svgId" : "51",
+      "infoTypeA" : "Name",
+      "infoTypeB" : "Current",
+      "direction" : "OUT",
+      "labelA" : "L5-4-0",
+      "labelB" : "364"
+    },
+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  } ],
+  "textNodes" : [ {
+    "svgId" : "1",
+    "equipmentId" : "VL2",
+    "vlNode" : "0",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "7",
+    "equipmentId" : "VL3",
+    "vlNode" : "6",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  }, {
+    "svgId" : "12",
+    "equipmentId" : "VL5",
+    "vlNode" : "11",
+    "shiftX" : 100.0,
+    "shiftY" : -40.0,
+    "connectionShiftX" : 100.0,
+    "connectionShiftY" : -15.0
+  } ]
+}
\ No newline at end of file
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf.svg b/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf.svg
new file mode 100644
index 00000000..a76a28e9
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf.svg
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg viewBox="-431.89 -778.13 1061.03 1429.18" xmlns="http://www.w3.org/2000/svg">
+    <g class="nad-vl-nodes">
+        <g transform="translate(73.67,333.18)" id="0" class="nad-vl70to120">
+            <circle r="17.50" id="3" class="nad-bus-0 nad-busnode"/>
+            <path d="M-35.311,12.625 A37.500,37.500 337.082 1 1 -27.607,25.379 L-14.393,17.294 A22.500,22.500 -321.803 1 0 -22.005,4.691 Z " id="5" class="nad-bus-2 nad-busnode"/>
+            <path d="M-39.317,-41.957 A57.500,57.500 94.533 0 1 44.933,-35.878 L31.956,-28.019 A42.500,42.500 -89.258 0 0 -27.603,-32.316 Z M52.667,-23.075 A57.500,57.500 165.053 0 1 -44.933,35.878 L-31.956,28.019 A42.500,42.500 -159.778 0 0 39.671,-15.246 Z M-52.667,23.075 A57.500,57.500 55.574 0 1 -48.809,-30.397 L-37.072,-20.783 A42.500,42.500 -50.298 0 0 -39.671,15.246 Z " id="4" class="nad-bus-1 nad-busnode"/>
+        </g>
+        <g transform="translate(-231.89,82.30)" id="6" class="nad-vl70to120">
+            <circle r="27.50" id="9" class="nad-bus-0 nad-busnode"/>
+            <path d="M-55.788,-13.927 A57.500,57.500 345.053 1 1 -57.492,0.933 L-32.279,3.779 A32.500,32.500 -333.556 1 0 -30.585,-10.991 Z " id="10" class="nad-bus-1 nad-busnode"/>
+        </g>
+        <g transform="translate(-206.52,-309.90)" id="11" class="nad-vl70to120">
+            <circle r="27.50" id="14" class="nad-bus-0 nad-busnode"/>
+        </g>
+    </g>
+    <g class="nad-branch-edges">
+        <g id="24">
+            <polyline class="nad-vl70to120 nad-edge-path" points="128.25,351.27 265.64,396.84"/>
+        </g>
+        <g id="26">
+            <path class="nad-vl70to120 nad-edge-path" d="M72.54,275.69 L72.09,253.19 C71.30,213.20 96.58,208.78 131.61,228.09"/>
+            <path class="nad-vl70to120 nad-edge-path" d="M105.77,313.79 L142.15,291.81 C176.39,271.13 166.64,247.40 131.61,228.09"/>
+        </g>
+        <g id="28">
+            <polyline class="nad-vl70to120 nad-edge-path" points="-187.45,118.79 -71.38,214.08"/>
+            <polyline class="nad-vl70to120 nad-edge-path" points="44.69,309.38 -71.38,214.08"/>
+        </g>
+        <g id="30">
+            <path class="nad-vl70to120 nad-edge-path" d="M74.81,390.66 L75.26,413.16 C76.05,453.15 50.77,457.58 42.01,452.75"/>
+            <path class="nad-vl70to120 nad-edge-path" d="M58.69,342.22 L5.20,374.54 C-29.04,395.22 -19.29,418.95 -10.53,423.78"/>
+            <g>
+                <circle class="nad-vl70to120 nad-winding" cx="24.50" cy="443.09" r="20.00"/>
+                <circle class="nad-vl70to120 nad-winding" cx="6.98" cy="433.44" r="20.00"/>
+            </g>
+        </g>
+        <g id="32">
+            <polyline class="nad-vl70to120 nad-edge-path" points="-228.18,24.92 -218.24,-128.77"/>
+            <polyline class="nad-vl70to120 nad-edge-path" points="-208.30,-282.46 -218.24,-128.77"/>
+        </g>
+        <g id="34">
+            <path class="nad-vl70to120 nad-edge-path" d="M-266.13,128.50 L-279.52,146.57 C-303.34,178.71 -326.05,166.76 -330.03,157.59"/>
+            <path class="nad-vl70to120 nad-edge-path" d="M-259.21,79.17 L-311.37,73.18 C-351.11,68.63 -357.90,93.37 -353.92,102.55"/>
+            <g>
+                <circle class="nad-vl70to120 nad-winding" cx="-337.99" cy="139.24" r="20.00"/>
+                <circle class="nad-vl70to120 nad-winding" cx="-345.95" cy="120.89" r="20.00"/>
+            </g>
+        </g>
+        <g id="36">
+            <polyline class="nad-vl70to120 nad-edge-path" points="-187.23,-329.50 -85.08,-433.32"/>
+        </g>
+    </g>
+    <g class="nad-edge-infos">
+        <g id="25" transform="translate(265.64,396.84)">
+            <text transform="rotate(18.35)" class="nad-name" x="0.00" style="text-anchor:middle">L7-5-0</text>
+        </g>
+        <g id="27" transform="translate(131.61,228.09)">
+            <text transform="rotate(28.87)" class="nad-name" x="0.00" style="text-anchor:middle">L7-8-0</text>
+        </g>
+        <g id="29" transform="translate(-71.38,214.08)">
+            <text transform="rotate(39.39)" class="nad-name" x="0.00" style="text-anchor:middle">L9-8-0</text>
+        </g>
+        <g id="31" transform="translate(15.74,438.27)">
+            <text transform="rotate(-331.13)" class="nad-name" x="0.00" style="text-anchor:middle">T7-2-0</text>
+        </g>
+        <g id="33" transform="translate(-218.24,-128.77)">
+            <text transform="rotate(-86.30)" class="nad-name" x="0.00" style="text-anchor:middle">L9-6-0</text>
+        </g>
+        <g id="35" transform="translate(-341.97,130.07)">
+            <text transform="rotate(-293.46)" class="nad-name" x="0.00" style="text-anchor:middle">T9-3-0</text>
+        </g>
+        <g id="37" transform="translate(-85.08,-433.32)">
+            <text transform="rotate(-45.46)" class="nad-name" x="0.00" style="text-anchor:middle">L6-4-0</text>
+        </g>
+    </g>
+    <g class="nad-text-edges">
+        <polyline id="2" points="133.01,324.28 173.67,318.18"/>
+        <polyline id="8" points="-172.55,73.40 -131.89,67.30"/>
+        <polyline id="13" points="-176.85,-314.35 -106.52,-324.90"/>
+    </g>
+    <g class="nad-text-nodes">
+        <foreignObject id="1" y="293.18" x="173.67" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl70to120 nad-label-box">
+                <div>VL2</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>102.5 kV / 9.3°</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-2 nad-legend-square"></span>101.5 kV / 0.7°</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-1 nad-legend-square"></span>102.5 kV / 3.7°</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="7" y="42.30" x="-131.89" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl70to120 nad-label-box">
+                <div>VL3</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>102.5 kV / 4.7°</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-1 nad-legend-square"></span>103.2 kV / 2.0°</div>
+            </div>
+        </foreignObject>
+        <foreignObject id="12" y="-349.90" x="-106.52" height="1" width="1">
+            <div xmlns="http://www.w3.org/1999/xhtml" class="nad-vl70to120 nad-label-box">
+                <div>VL6</div>
+                <div class="nad-bus-descr">
+                    <span class="nad-bus-0 nad-legend-square"></span>101.2 kV / -3.7°</div>
+            </div>
+        </foreignObject>
+    </g>
+</svg>
diff --git a/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf_metadata.json b/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf_metadata.json
new file mode 100644
index 00000000..97686ef8
--- /dev/null
+++ b/packages/network-viewer-core/src/resources/test-data/nad-ieee9-zeroimpedance-cdf_metadata.json
@@ -0,0 +1,318 @@
+{
+  "layoutParameters" : {
+    "textNodesForceLayout" : false,
+    "textNodeFixedShift" : {
+      "x" : 100.0,
+      "y" : -40.0
+    },
+    "maxSteps" : 1000,
+    "timeoutSeconds" : 15.0,
+    "textNodeEdgeConnectionYShift" : 25.0,
+    "injectionsAdded" : false,
+    "scaleFactor" : 1.0
+  },
+  "svgParameters" : {
+    "diagramPadding" : {
+      "left" : 200.0,
+      "top" : 200.0,
+      "right" : 200.0,
+      "bottom" : 200.0
+    },
+    "insertNameDesc" : false,
+    "svgWidthAndHeightAdded" : false,
+    "cssLocation" : "EXTERNAL_NO_IMPORT",
+    "sizeConstraint" : "FIXED_SCALE",
+    "fixedWidth" : -1,
+    "fixedHeight" : -1,
+    "fixedScale" : 0.2,
+    "arrowShift" : 30.0,
+    "arrowLabelShift" : 19.0,
+    "converterStationWidth" : 70.0,
+    "voltageLevelCircleRadius" : 30.0,
+    "fictitiousVoltageLevelCircleRadius" : 15.0,
+    "transformerCircleRadius" : 20.0,
+    "nodeHollowWidth" : 15.0,
+    "edgesForkLength" : 80.0,
+    "edgesForkAperture" : 60.0,
+    "edgeStartShift" : 0.0,
+    "unknownBusNodeExtraRadius" : 10.0,
+    "loopDistance" : 120.0,
+    "loopEdgesAperture" : 60.0,
+    "loopControlDistance" : 40.0,
+    "edgeInfoAlongEdge" : true,
+    "interAnnulusSpace" : 5.0,
+    "svgPrefix" : "",
+    "arrowPathIn" : "M-10 -10 H10 L0 10z",
+    "arrowPathOut" : "M-10 10 H10 L0 -10z",
+    "languageTag" : "en",
+    "voltageValuePrecision" : 1,
+    "powerValuePrecision" : 0,
+    "angleValuePrecision" : 1,
+    "currentValuePrecision" : 0,
+    "percentageValuePrecision" : 0,
+    "pstArrowHeadSize" : 8.0,
+    "undefinedValueSymbol" : "",
+    "highlightGraph" : false,
+    "injectionAperture" : 10.0,
+    "injectionEdgeLength" : 145.0,
+    "injectionCircleRadius" : 25.0,
+    "voltageLevelLegendsIncluded" : true,
+    "edgeInfosIncluded" : true,
+    "doubleArrowShiftFactorArrows" : 1.5,
+    "doubleArrowShiftFactorText" : 1.8
+  },
+  "busNodes" : [ {
+    "svgId" : "3",
+    "equipmentId" : "VL2_0",
+    "nbNeighbours" : 2,
+    "index" : 0,
+    "vlNode" : "0",
+    "legend" : "102.5 kV / 9.3°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "5",
+    "equipmentId" : "VL2_2",
+    "nbNeighbours" : 2,
+    "index" : 1,
+    "vlNode" : "0",
+    "legend" : "101.5 kV / 0.7°",
+    "classes" : [ "nad-bus-2" ]
+  }, {
+    "svgId" : "4",
+    "equipmentId" : "VL2_1",
+    "nbNeighbours" : 2,
+    "index" : 2,
+    "vlNode" : "0",
+    "legend" : "102.5 kV / 3.7°",
+    "classes" : [ "nad-bus-1" ]
+  }, {
+    "svgId" : "9",
+    "equipmentId" : "VL3_0",
+    "nbNeighbours" : 1,
+    "index" : 0,
+    "vlNode" : "6",
+    "legend" : "102.5 kV / 4.7°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "10",
+    "equipmentId" : "VL3_1",
+    "nbNeighbours" : 1,
+    "index" : 1,
+    "vlNode" : "6",
+    "legend" : "103.2 kV / 2.0°",
+    "classes" : [ "nad-bus-1" ]
+  }, {
+    "svgId" : "14",
+    "equipmentId" : "VL6_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "11",
+    "legend" : "101.2 kV / -3.7°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "18",
+    "equipmentId" : "VL1_0",
+    "nbNeighbours" : 1,
+    "index" : 0,
+    "vlNode" : "15",
+    "legend" : "104.0 kV / 0.0°",
+    "classes" : [ "nad-bus-0" ]
+  }, {
+    "svgId" : "19",
+    "equipmentId" : "VL1_1",
+    "nbNeighbours" : 1,
+    "index" : 1,
+    "vlNode" : "15",
+    "legend" : "102.5 kV / -2.2°",
+    "classes" : [ "nad-bus-1" ]
+  }, {
+    "svgId" : "23",
+    "equipmentId" : "VL5_0",
+    "nbNeighbours" : 0,
+    "index" : 0,
+    "vlNode" : "20",
+    "legend" : "99.5 kV / -4.0°",
+    "classes" : [ "nad-bus-0" ]
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+  "nodes" : [ {
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+    "x" : 73.67,
+    "y" : 333.18,
+    "legendSvgId" : "1",
+    "legendEdgeSvgId" : "2",
+    "legendHeader" : [ "VL2" ],
+    "classes" : [ "nad-vl70to120" ]
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+    "svgId" : "6",
+    "equipmentId" : "VL3",
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+    "y" : 82.3,
+    "legendSvgId" : "7",
+    "legendEdgeSvgId" : "8",
+    "legendHeader" : [ "VL3" ],
+    "classes" : [ "nad-vl70to120" ]
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+    "y" : -309.9,
+    "legendSvgId" : "12",
+    "legendEdgeSvgId" : "13",
+    "legendHeader" : [ "VL6" ],
+    "classes" : [ "nad-vl70to120" ]
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+    "svgId" : "15",
+    "equipmentId" : "VL1",
+    "x" : 57.4,
+    "y" : -578.13,
+    "invisible" : true,
+    "legendSvgId" : "16",
+    "legendEdgeSvgId" : "17",
+    "legendHeader" : [ "VL1" ],
+    "classes" : [ "nad-vl70to120" ]
+  }, {
+    "svgId" : "20",
+    "equipmentId" : "VL5",
+    "x" : 429.14,
+    "y" : 451.05,
+    "invisible" : true,
+    "legendSvgId" : "21",
+    "legendEdgeSvgId" : "22",
+    "legendHeader" : [ "VL5" ],
+    "classes" : [ "nad-vl70to120" ]
+  } ],
+  "edges" : [ {
+    "svgId" : "24",
+    "equipmentId" : "L7-5-0",
+    "node1" : "0",
+    "node2" : "20",
+    "busNode1" : "4",
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+    "invisible2" : true,
+    "edgeInfoMiddle" : {
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+      "infoTypeA" : "Name",
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+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  }, {
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+    "equipmentId" : "L7-8-0",
+    "node1" : "0",
+    "node2" : "0",
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+    "type" : "LineEdge",
+    "edgeInfoMiddle" : {
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+      "infoTypeA" : "Name",
+      "labelA" : "L7-8-0"
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+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
+  }, {
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+    "equipmentId" : "L9-8-0",
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+      "infoTypeA" : "Name",
+      "labelA" : "L9-8-0"
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+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
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+      "infoTypeA" : "Name",
+      "labelA" : "T7-2-0"
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+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
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+    "equipmentId" : "L9-6-0",
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+    "edgeInfoMiddle" : {
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+      "infoTypeA" : "Name",
+      "labelA" : "L9-6-0"
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+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
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+    "equipmentId" : "T9-3-0",
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+    "node2" : "6",
+    "busNode1" : "10",
+    "busNode2" : "9",
+    "type" : "TwoWtEdge",
+    "edgeInfoMiddle" : {
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+      "infoTypeA" : "Name",
+      "labelA" : "T9-3-0"
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+    "classes1" : [ "nad-vl70to120" ],
+    "classes2" : [ "nad-vl70to120" ]
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+    "equipmentId" : "L6-4-0",
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+    "edgeInfoMiddle" : {
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+      "infoTypeA" : "Name",
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+}
\ No newline at end of file