1 | #!/usr/bin/env python |
---|
2 | # -*- coding: utf-8 -*- |
---|
3 | ##******************************************************************************* |
---|
4 | # @Author: Anne Philipp (University of Vienna) |
---|
5 | # |
---|
6 | # @Date: November 2018 |
---|
7 | # |
---|
8 | # @Change History: |
---|
9 | # |
---|
10 | # @License: |
---|
11 | # (C) Copyright 2014-2018. |
---|
12 | # |
---|
13 | # This software is licensed under the terms of the Apache Licence Version 2.0 |
---|
14 | # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. |
---|
15 | # |
---|
16 | # @Modul Description: |
---|
17 | # |
---|
18 | # |
---|
19 | # @Module Content: |
---|
20 | |
---|
21 | # |
---|
22 | #******************************************************************************* |
---|
23 | |
---|
24 | # ------------------------------------------------------------------------------ |
---|
25 | # MODULES |
---|
26 | # ------------------------------------------------------------------------------ |
---|
27 | |
---|
28 | |
---|
29 | # ------------------------------------------------------------------------------ |
---|
30 | # FUNCTIONS |
---|
31 | # ------------------------------------------------------------------------------ |
---|
32 | |
---|
33 | |
---|
34 | def check_grid_area(grid, area, upper, lower, left , right): |
---|
35 | ''' |
---|
36 | |
---|
37 | |
---|
38 | ''' |
---|
39 | # if area was provided |
---|
40 | # decompose area into its 4 components |
---|
41 | if area: |
---|
42 | components = area.split('/') |
---|
43 | upper, left, lower, right = components |
---|
44 | |
---|
45 | if 'N' in grid: # Gaussian output grid |
---|
46 | area = 'G' |
---|
47 | return grid, area |
---|
48 | |
---|
49 | if '/' in grid: |
---|
50 | gridx, gridy = grid.split('/') |
---|
51 | if gridx == gridy: |
---|
52 | grid = gridx |
---|
53 | else: |
---|
54 | raise ValueError('GRID parameter contains two values ' |
---|
55 | 'which are unequal %s' (grid)) |
---|
56 | # determine grid format |
---|
57 | if float(grid) / 100. >= 0.5: |
---|
58 | # grid is defined in 1/1000 degrees; old format |
---|
59 | grid = '{}/{}'.format(float(grid) / 1000., |
---|
60 | float(grid) / 1000.) |
---|
61 | elif float(grid) / 100. < 0.5: |
---|
62 | # grid is defined in normal degree; new format |
---|
63 | grid = '{}/{}'.format(float(grid), float(grid)) |
---|
64 | |
---|
65 | # determine area format |
---|
66 | if (float(upper) / 1000. >= 0.05 and |
---|
67 | float(lower) / 1000. >= 0.05 and |
---|
68 | float(left) / 1000. >= 0.05 and |
---|
69 | float(right) / 1000. >= 0.05): |
---|
70 | # area is defined in 1/1000 degrees; old format |
---|
71 | area = '{}/{}/{}/{}'.format(float(upper) / 1000., |
---|
72 | float(left) / 1000., |
---|
73 | float(lower) / 1000., |
---|
74 | float(right) / 1000.) |
---|
75 | elif (float(upper) / 1000. < 0.05 and |
---|
76 | float(lower) / 1000. < 0.05 and |
---|
77 | float(left) / 1000. < 0.05 and |
---|
78 | float(right) / 1000. < 0.05): |
---|
79 | # area is already in new format |
---|
80 | area = '{}/{}/{}/{}'.format(float(upper), |
---|
81 | float(left), |
---|
82 | float(lower), |
---|
83 | float(right)) |
---|
84 | else: |
---|
85 | raise ValueError('The area components have different ' |
---|
86 | 'formats: %s ' (area)) |
---|
87 | |
---|
88 | return grid, area |
---|