Thk u for your reply. I read the tuorail.but I think that will not satisfy my need. I want to create a .png file,and it only contains height data and not contains metadata, a coordinate system, a georeferencing transform, size of raster and various other information,I find that the Create() and CreateCopy(). is will create a file that contains all the things. Kind regards. Please refer to http://www.gdal.org/gdal_tutorial.html
2010/4/6 weixj2003ld <weixj200...@163.com> I read data from a DEM file, and want to create a .png .Now I have read data, but I do not know how to create a png file that contains the height map value of each point from the DEM file. Thk u. _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev -- Best regards, Chaitanya kumar CH. /tʃaɪθənjə/ /kʊmɑr/ +91-9848167848 17.2416N 80.1426E
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