From 8d477c7aad6fe168d48a960535c5eb349118feab Mon Sep 17 00:00:00 2001 From: Valerii Zapodovnikov Date: Mon, 31 Jan 2022 23:48:49 +0300 Subject: DOCS: clarify that GTG is lossless (#3033) --- docs/source/specifications/geodetictiffgrids.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'docs/source/specifications') 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 -- cgit v1.2.3