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| author | Kristian Evers <kristianevers@gmail.com> | 2018-04-09 22:27:59 +0200 |
|---|---|---|
| committer | Kristian Evers <kristianevers@gmail.com> | 2018-04-12 20:03:01 +0200 |
| commit | 4731bc4a3438b04574545a78ac52ba631e0504c4 (patch) | |
| tree | de35b2ca6d54992cec0aad2ddd678e6192fd002f /docs/source | |
| parent | a4f4228d055aac7bb66f77b10fe5128e69e9e09a (diff) | |
| download | PROJ-4731bc4a3438b04574545a78ac52ba631e0504c4.tar.gz PROJ-4731bc4a3438b04574545a78ac52ba631e0504c4.zip | |
Add description of projection and +lat_b parameter
Diffstat (limited to 'docs/source')
| -rw-r--r-- | docs/source/operations/projections/airy.rst | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/docs/source/operations/projections/airy.rst b/docs/source/operations/projections/airy.rst index d2730592..eefda4e9 100644 --- a/docs/source/operations/projections/airy.rst +++ b/docs/source/operations/projections/airy.rst @@ -3,6 +3,11 @@ ******************************************************************************** Airy ******************************************************************************** + +The Airy projection is an azimuthal minimum error projection for the region +within the small or great circle defined by an angular distance, +:math:`\phi_b`, from the tangency point of the plane :math:`( \lambda_0, \phi_0 )`. + +---------------------+----------------------------------------------------------+ | **Classification** | | +---------------------+----------------------------------------------------------+ @@ -14,7 +19,10 @@ Airy +---------------------+----------------------------------------------------------+ | **Options** | +---------------------+----------------------------------------------------------+ -| `+lat_b` | | +| `+lat_b` | Angular distance from tangency point of the plane | +| | :math:`( \lambda_0, \phi_0 )` where the error is kept at | +| | minimum. Defaults to :math:`90^{\circ}` which is | +| | suitable for hemispherical maps. | +---------------------+----------------------------------------------------------+ | `+no_cut` | Do not cut at hemisphere limit | +---------------------+----------------------------------------------------------+ |