[Gdal-dev] gdal_rasterize - can't make it work

Christopher Barker Chris.Barker at noaa.gov
Thu May 25 12:48:50 EDT 2006


> Maciek Sieczka wrote:
>> But nothing happens - when the rast.tif is displayed it looks
>> untouched. 

Frank explained this, but I thought I'd comment. Drawing a raster image 
from Vector data can be a very complex process. In particular, shape 
files specify the shapes, but don't specify anything about how they 
should be rendered. Perhaps it's useful to have a some simple defaults 
to do this, but as a rule, if GDAL goes down that path, there will be an 
almost endless list of new features constantly requested, and I don't 
think that is (or should be) the goal of GDAL.

There are a lot of tools for rendering maps out there (most using 
GDAL!). It's probably better to use one of them. One that does a 
particularly impressive job is Mapnik:

http://mapnik.org/

There are lots of others.

-Chris




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Christopher Barker, Ph.D.
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