[gdal-dev] Relation between PROJ8, GDAL, and national grids

Juan Pedro Pérez Alcántara jp.perez.alcantara at gmail.com
Sat Mar 27 13:17:37 PDT 2021


Hi all,

I'm at a loss trying to understand the relationship between PROJ8, GDAL,
and how to use TIFF national grids. So far my findings are:

- PROJ8 is installed and cs2cs uses the grid to transform, performing an
extremely accurate shift;

- GDAL, compile on the above PROJ8, when using
gdaltransform, yields less accurate


---

Juan Pedro Pérez Alcántara

jp.perez.alcantara at gmail.com
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