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Diffstat (limited to 'docs/source/operations/projections/webmerc.rst')
| -rw-r--r-- | docs/source/operations/projections/webmerc.rst | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/docs/source/operations/projections/webmerc.rst b/docs/source/operations/projections/webmerc.rst index 92da2d45..3a3d9a47 100644 --- a/docs/source/operations/projections/webmerc.rst +++ b/docs/source/operations/projections/webmerc.rst @@ -24,9 +24,9 @@ From `Wikipedia <https://en.wikipedia.org/wiki/Web_Mercator>`_: +---------------------+----------------------------------------------------------+ | **Classification** | Cylindrical (non conformant if used with ellipsoid) | +---------------------+----------------------------------------------------------+ -| **Available forms** | Forward and inverse, spherical projection | +| **Available forms** | Forward and inverse | +---------------------+----------------------------------------------------------+ -| **Defined area** | Global, but best used near the equator | +| **Defined area** | Global | +---------------------+----------------------------------------------------------+ | **Alias** | webmerc | +---------------------+----------------------------------------------------------+ @@ -49,9 +49,13 @@ Example:: Parameters ################################################################################ -.. note:: All parameters for the projection are optional. +.. note:: All parameters for the projection are optional, except the ellipsoid + definition, which is WGS84 for the typical use case of EPSG:3857. + In which case, the other parameters are set to their default 0 value. -.. include:: ../options/R.rst +.. include:: ../options/ellps.rst + +.. include:: ../options/lon_0.rst .. include:: ../options/x_0.rst |