[Community] converting 2D grid to contour polygon shapefiles

[Mike Toews]

You can try gdal_contour[1] with a raster data source[2], e.g.:

> gdal_contour -a elev dem.tif contour.shp -i 10.0

-Mike

[1] http://www.gdal.org/gdal_contour.html
[2] http://www.gdal.org/formats_list.html

On 2 August 2011 08:57, Bryan Woods <bwoods at aer.com> wrote:
> I am wondering if anyone has experience or tips on how to convert a fixed 2D
> lat/lon grid to contoured polygon shapefiles. I've figured out how to use
> Basemap to produce the contours. My stumbling block right now is converting
> those contours into reliable shapefiles. Any help would be appreciated!
>
> Thanks,
> Bryan