Hey Paul,
I think [ gdal_contour ] is more close to what you think you need:
here's a quick turorial I just found on it:
http://woostuff.wordpress.com/2011/09/27/generating-contours-using-gdal-via-shell-or-qgis/
Kind regards,
Ves Nikos
Στις 22/10/2012 1:38 μμ, ο/η Paul Meems έγραψε:
Hi
Thanks Ari,
Travis mailed me the same info.
I understand better now.
I'm using the data from
http://www.fao.org/geonetwork/srv/en/metadata.show?id=37139&currTab=distributionnow
to test and it is much more clear.
Here in The Netherlands we mostly have land classification already in
vector, that's
On 10/22/2012 12:38 PM, Paul Meems wrote:
Am I not understanding the purpose of gdal_polygonize?
Can somebody tell me some real-life use cases when to use this?
Land cover classification rasters can have large areas of the same
(integer) value. I've used the GDAL polygonize code for such rast
Hi all,
I'm investigating gdal_polygonize.py
I'm thinking of using it to convert a DEM-file to a polygon shapefile.
I did a quick test using gdal_polygonize.py logan.tif -f "ESRI Shapefile"
logan_poly.shp and got a shapefile.
But this shapefile is huge, it created a polygon for every pixel value.
