[gdal-dev] Reading Layers In USGS Geospatial Topo Files:

Carl Carlson cacarlson at alumni.stanford.edu
Tue Mar 25 13:40:18 PDT 2025


I have almost no experience with GDAL or python, butI do have  57 years programming experience.  I need some help with GDAL.  At 79 I don’t have the time and energy to get deeply into these topics.  I need a quick solution

I am writing a program to copy selected layers from a 7.5’ USGS geospatial PDF Topo File and save them as geoTIFFs.  My efforts with gdalinfo,  gdal.Open, and gdal.Translate have led me nowhere worthwhile.  I can’t find the layers.  I just don’t know enough about this.

Would some kind person help me out with sample code?

Thanks
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