[gdal-dev] extract vector/raster data from GeoPDF
Joaquim Luis
jluis at ualg.pt
Thu Sep 3 10:49:42 EDT 2009
Peter J Halls wrote:
> A bit of googling determines that the 'Adobe way' structure, together
> with its elements, is defined in the ISO PDF definition - ISO 32000-1
> (2008).
>
> Looking at this with a PostScript Developer hat, the /LPTS has to be
> associated with scaling / transforming the GPTS coordinates to the page
> coordinate system. There is a need to refer to the standard!
Yes,
And the "TerraGo way" comes possibly from this document
"GeoPDF Encoding Best Practice Version 2.2"
http://portal.opengeospatial.org/files/?artifact_id=33332
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