[Smtk-developers] Polygon model normals

[Ben Boeckel]

On Tue, Mar 15, 2016 at 13:26:42 -0400, David Thompson wrote:
> The problem is that the shapefile we are using doesn't have lat-long
> coordinates; instead it uses feet or meters in some datum plane. The
> values are quite large and the OpenGL library truncates point
> coordinates from doubles to floats before rendering. I hacked the
> polygon modeler to move the points near the origin and the dark/light
> triangles went away.

Sounds like UTM. Would using proj4 be an option to convert it to latlon?

--Ben