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Diffstat (limited to 'docs/source/resource_files.rst')
| -rw-r--r-- | docs/source/resource_files.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/docs/source/resource_files.rst b/docs/source/resource_files.rst index 19dab1b4..cef22f84 100644 --- a/docs/source/resource_files.rst +++ b/docs/source/resource_files.rst @@ -107,6 +107,14 @@ Its default content is: cache_ttl_sec = 86400 + ; Transverse Mercator (and UTM) default algorithm: auto, evenden_snyder or poder_engsager + ; * evenden_snyder is the fastest, but less accurate far from central meridian + ; * poder_engsager is slower, but more accurate far from central meridian + ; * default will auto-select between the two above depending on the coordinate + ; to transform and will use evenden_snyder if the error in doing so is below + ; 0.1 mm (for an ellipsoid of the size of Earth) + tmerc_default_algo = poder_engsager + Transformation grids ------------------------------------------------------------------------------- |