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mbloch / mapshaper-proj

A JavaScript port of the Proj.4 map projection library.
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Add support for reading and writing prj files with a PROJ4 extension. #10

Closed mbloch closed 4 years ago

mbloch commented 4 years ago

QGIS and gdal seem to support Proj.4 projections that are not part of standard WKT by adding an extension attribute, like this: EXTENSION["PROJ4","+proj=eqearth +datum=WGS84 +wktext"].

We should do the same, even though ArcGIS and most other GIS applications will not be able to interpret this kind of .prj file.

mbloch commented 4 years ago

This functionality has been added.