diff options
Diffstat (limited to 'docs/source/usage/operations/projections/natearth.rst')
| -rw-r--r-- | docs/source/usage/operations/projections/natearth.rst | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/docs/source/usage/operations/projections/natearth.rst b/docs/source/usage/operations/projections/natearth.rst deleted file mode 100644 index 57dd96db..00000000 --- a/docs/source/usage/operations/projections/natearth.rst +++ /dev/null @@ -1,47 +0,0 @@ -.. _natearth: - -******************************************************************************** -Natural Earth -******************************************************************************** -+---------------------+--------------------------------------------------------+ -| **Classification** | Pseudo cylindrical | -+---------------------+--------------------------------------------------------+ -| **Available forms** | Forward and inverse, spherical projection | -+---------------------+--------------------------------------------------------+ -| **Defined area** | Global | -+---------------------+--------------------------------------------------------+ -| **Implemented by** | Bernhard Jenny | -+---------------------+--------------------------------------------------------+ -| **Options** | -+---------------------+--------------------------------------------------------+ -| `No special options for this projection` | -+---------------------+--------------------------------------------------------+ - -.. image:: ./images/natearth.png - :scale: 50% - :alt: Natural Earth - - -The Natural Earth projection is intended for making world maps. A distinguishing trait -is its slightly rounded corners fashioned to emulate the spherical shape of Earth. -The meridians (except for the central meridian) bend acutely inward as they approach -the pole lines, giving the projection a hint of three-dimensionality. This bending -also suggests that the meridians converge at the poles instead of truncating at the -top and bottom edges. The distortion characteristics of the Natural Earth projection -compare favorably to other world map projections. - - -Usage -############################################################################### - -The Natural Earth projection has no special options so usage is simple. Here is -an example of an inverse projection on a sphere with a radius of 7500 m:: - - $ echo 3500 -8000 | proj -I +proj=natearth +a=7500 - 37d54'6.091"E 61d23'4.582"S - - -Further reading -################################################################################ - -#. `Wikipedia <https://en.wikipedia.org/wiki/Natural_Earth_projection>`_ |