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| author | Valerii Zapodovnikov <val.zapod.vz@gmail.com> | 2022-01-31 23:48:49 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-01-31 21:48:49 +0100 |
| commit | 8d477c7aad6fe168d48a960535c5eb349118feab (patch) | |
| tree | 7ec5ef27185f3a1f336add7d0d402d8555824b99 /docs/source | |
| parent | ddefc8d1dfddc815cbc3afef00c66853f9c0194c (diff) | |
| download | PROJ-8d477c7aad6fe168d48a960535c5eb349118feab.tar.gz PROJ-8d477c7aad6fe168d48a960535c5eb349118feab.zip | |
DOCS: clarify that GTG is lossless (#3033)
Diffstat (limited to 'docs/source')
| -rw-r--r-- | docs/source/specifications/geodetictiffgrids.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/source/specifications/geodetictiffgrids.rst b/docs/source/specifications/geodetictiffgrids.rst index 402ce304..2e47858b 100644 --- a/docs/source/specifications/geodetictiffgrids.rst +++ b/docs/source/specifications/geodetictiffgrids.rst @@ -636,7 +636,7 @@ It contains 5 subgrids. All essential metadata to list the subgrids and their georeferencing is contained within the first 3 KB of the file. The file size is 4.8 MB using DEFLATE compression and floating-point predictor. -To be compared with the 83 MB of the original .gsb file. +It results from a lossless conversion from the 83 MB of the original .gsb file. https://github.com/OSGeo/PROJ-data/blob/master/ca_nrc/ca_nrc_ntv2_0.tif has been converted from https://github.com/OSGeo/proj-datumgrid/blob/master/north-america/ntv2_0.gsb |