blob: c3551d0c0c515b4d0d2b2b0cad0db917cdd297f4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
.. _hammer:
********************************************************************************
Hammer & Eckert-Greifendorff
********************************************************************************
+---------------------+----------------------------------------------------------+
| **Classification** | Azimuthal |
+---------------------+----------------------------------------------------------+
| **Available forms** | Forward and inverse, spherical projection |
+---------------------+----------------------------------------------------------+
| **Defined area** | Global |
+---------------------+----------------------------------------------------------+
| **Alias** | hammer |
+---------------------+----------------------------------------------------------+
| **Domain** | 2D |
+---------------------+----------------------------------------------------------+
| **Input type** | Geodetic coordinates |
+---------------------+----------------------------------------------------------+
| **Output type** | Projected coordinates |
+---------------------+----------------------------------------------------------+
.. figure:: ./images/hammer.png
:width: 500 px
:align: center
:alt: Hammer & Eckert-Greifendorff
proj-string: ``+proj=hammer``
Parameters
################################################################################
.. note:: All parameters are optional for the projection.
.. option:: +W=<value>
Set to 0.5 for the Hammer projection and 0.25 for the Eckert-Greifendorff
projection. :option:`+W` has to be larger than zero.
*Defaults to 0.5.*
.. option:: +M=<value>
:option:`+M` has to be larger than zero.
*Defaults to 1.0.*
.. include:: ../options/lon_0.rst
.. include:: ../options/R.rst
.. include:: ../options/x_0.rst
.. include:: ../options/y_0.rst
|
