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Make the projection system generic (phases 1–5 + follow-ups) - #250

Merged

trasch merged 25 commits into

mainfrom

generic-projections

Sep 16, 2026

Commits on Sep 14, 2026
- Introduce ProjectionKind and capability-based projection dispatch
  trasch
  committed
  676ce10
- Route projections through a ProjectionDefinition registry
  trasch
  committed
  4a05232
- NoSRID coordinates are copied verbatim
  trasch
  committed
  5e639b0
- Add EPSG:3395 and EPSG:32662 projections
  trasch
  committed
  20df758
- Make WKT CRS matching registry-driven and extend coder/tile tests
  trasch
  committed
  8d2434a
- Add all 120 UTM zone projections (EPSG:32601-32660, 32701-32760)
  trasch
  committed
  41c0671
- Identify UTM zones in WKT strings via regex
  trasch
  committed
  f2bb3d6
- Add projection-extent validation, UTM convenience API and benchmarks
  trasch
  committed
  40288c5
Commits on Sep 15, 2026
- Restructure Projection as a struct with a public registration API
  trasch
  committed
  c380480
- Support non-WGS84 datums: ETRS89/NAD27/OSGB1936/BNG built-in CRSs
  trasch
  committed
  b84315f
- Updated AGENTS.md
  trasch
  committed
  5f0cd25
- Move projection code into Sources/GISTools/Projections
  trasch
  committed
  a9f1b43
- Add batch coordinate conversion with hoisted conversion setups
  trasch
  committed
  376a561
- Add Swiss and Irish datum CRSs and UTM zone selection
  trasch
  committed
  6c9b6f7
- Move projection definitions into Projections/Definitions
  trasch
  committed
  b5811ef
- Add pan-European and national CRSs: LAEA/LCC Europe, Lambert-93, RD New, ETRS89/UTM belt
  trasch
  committed
  4d2a332
- Replace Snyder transverse Mercator in UTM with Karney's algorithm
  trasch
  committed
  ce7498f
Commits on Sep 16, 2026
- Add projection matrix cross-validation against PROJ reference data
  trasch
  committed
  8cb3732
- Upgrade the laea authalic latitude to the Karney auxlat series
  trasch
  committed
  d6fdc0e
- Preserve the height in the Helmert datum transformations
  trasch
  committed
  b482f28
- Some cleanup
  trasch
  committed
  024ae64
- Moved some test files around
  trasch
  committed
  a2d77af
- Moved another two files
  trasch
  committed
  65f2278
- Add German and Austrian Gauss-Krueger zone belts
  trasch
  committed
  1f31f9d
- Add North American NAD83 CRSs: UTM belt, Albers and Canadian grids
  trasch
  committed
  06a58ae

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Make the projection system generic (phases 1–5 + follow-ups) - #250

Make the projection system generic (phases 1–5 + follow-ups)#250
trasch merged 25 commits into
mainfrom
generic-projections

Commits on Sep 14, 2026

Introduce ProjectionKind and capability-based projection dispatch

Route projections through a ProjectionDefinition registry

NoSRID coordinates are copied verbatim

Add EPSG:3395 and EPSG:32662 projections

Make WKT CRS matching registry-driven and extend coder/tile tests

Add all 120 UTM zone projections (EPSG:32601-32660, 32701-32760)

Identify UTM zones in WKT strings via regex

Add projection-extent validation, UTM convenience API and benchmarks

Commits on Sep 15, 2026

Restructure Projection as a struct with a public registration API

Support non-WGS84 datums: ETRS89/NAD27/OSGB1936/BNG built-in CRSs

Updated AGENTS.md

Move projection code into Sources/GISTools/Projections

Add batch coordinate conversion with hoisted conversion setups

Add Swiss and Irish datum CRSs and UTM zone selection

Move projection definitions into Projections/Definitions

Add pan-European and national CRSs: LAEA/LCC Europe, Lambert-93, RD New, ETRS89/UTM belt

Replace Snyder transverse Mercator in UTM with Karney's algorithm

Commits on Sep 16, 2026

Add projection matrix cross-validation against PROJ reference data

Upgrade the laea authalic latitude to the Karney auxlat series

Preserve the height in the Helmert datum transformations

Some cleanup

Moved some test files around

Moved another two files

Add German and Austrian Gauss-Krueger zone belts

Add North American NAD83 CRSs: UTM belt, Albers and Canadian grids