[gdal-dev] GeoPDF (TM) vs. GeoSpatial PDF

[David Strip]

Jukka's posting earlier today has made me aware that GDAL will now write 
a geospatial PDF. Is it also capable of writing a geoPDF (which is a 
trademark of TerraGo, but there is an OGC standard, so possibly it's 
legal to create them)? When used in conjunction with the (free) TerraGo 
toolbar, the geoPDF provides many more capabilities than a geo-spatial 
pdf, especially if the pdf "modify" permission is set. From the looks of 
it, the main difference between a geospatial PDF and a geoPDF is that 
the latter contains a dictionary object LGIdict which contains the 
projection, the coordinate transform to the page, and that sort of 
thing. In fact, it will support multiple data frames on the same page.
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