proj4dart 2.1.0

Proj4dart is a Dart library to transform point coordinates from one coordinate system to another, including datum transformations (Dart version of proj4js/proj4js).

Changelog

2.1.0

• Add nadgrids support

2.0.0

• Stable null safety release.
• BREAKING CHANGE: Projection('key') syntax is no longer available since factory constructors cannot return null value use Projection.get('key') instead.

1.0.5

• If WKT is Mercator projection then internal EPSG:3857 will be used
• If WKT definition contains an encapsulated proj4 string definition then it will be used

1.0.4

• Named Projection returns null instead of throwing Exception if Projection not found by name
• Some tests precalculate worst closeTos because these may depend on Dart version / OS

1.0.3

• add meta.dart to pubspec.yaml (avoid pub warning)

1.0.2

• Support ProjectionTuple
• Support Projection.parse
• Add more definitions
• Add more tests
  • support exception compare
  • use blacklist when necessary
  • make closeTo even strict
• Update wkt-parser-dart
• fix axis order in some cases

1.0.1

• Support OGC WKT definitions
• Support ESRI WKT definitions
• Simplify globals logic

1.0.0

• Initial version
• Can use 3 predefined projections + 5 aliases
• Can create and use any custom projections with Proj4 string
• Forward and inverse transformation between projections
• Tested with ~4000 existing projections (from epsg.io)