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Proj4dart is a Dart library to transform point coordinates from one coordinate system to another, including datum transformations (Dart version of proj4js/proj4js).
Last release 11 months ago
06 Nov 2025
Release timing varies
gaps range from 3 weeks to 3.2 years
Nearly every release is documented
notes for 9 of 9 stable releases
Nothing withdrawn
no release was ever pulled
7 years old
9 releases · first in 2020
One column per quarter.
Update minimum Dart version to 3.0.0.
Nadgrids support
BREAKING CHANGE: Projection('key') syntax is no longer available since factory constructors cannot return null value use Projection.get('key') instead…
Projection('key') syntax is no longer available since factory constructors cannot return null value use Projection.get('key') instead.If WKT is Mercator projection then internal EPSG:3857 will be used
This is v1.0.4 synced with proj4js/proj4js bc110c85709088a6bdd3a18557…
This is v1.0.4 synced with proj4js/proj4js bc110c85709088a6bdd3a18557…
add meta.dart to pubspec.yaml (avoid pub warning)
- Support ProjectionTuple - Support Projection.parse - Add more definitions - Add more tests - support exception compare - use blacklist when necessar
- Support OGC WKT definitions - Support ESRI WKT definitions - Simplify globals logic
Can use 3 predefined projections + 5 aliases
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