webmap-publish: Flatten geometry to 2D before exporting.

The webmap ignores elevation, so we might as well flatten geometries to
save space.

1 files changed, 1 insertions, 0 deletions

diff --git a/webmap-publish b/webmap-publish
index 36bed88..1c1e9a2 100755
--- a/webmap-publish
+++ b/webmap-publish
@@ -302,6 +302,7 @@ def exportLayer(lyr_dst, lyr_src, srs=None, clip=None, layername=None,
         geom = feature.GetGeometryRef().Clone()
         if ct is not None and geom.Transform(ct) != ogr.OGRERR_NONE:
             raise Exception('Could not apply coordinate transformation')
+        geom.FlattenTo2D()
 
         if metadata is not None:
             # serialize the feature to JSON and save it