[97f4f4c] | 1 | #!/usr/bin/env python |
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| 2 | # -*- coding: utf-8 -*- |
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| 3 | ##******************************************************************************* |
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| 4 | # @Author: Anne Philipp (University of Vienna) |
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| 5 | # |
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| 6 | # @Date: November 2018 |
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| 7 | # |
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| 8 | # @Change History: |
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| 9 | # |
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| 10 | # @License: |
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| 11 | # (C) Copyright 2014-2018. |
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| 12 | # |
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| 13 | # This software is licensed under the terms of the Apache Licence Version 2.0 |
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| 14 | # which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. |
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| 15 | # |
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| 16 | # @Modul Description: |
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| 17 | # |
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| 18 | # |
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| 19 | # @Module Content: |
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| 20 | |
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| 21 | # |
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| 22 | #******************************************************************************* |
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| 23 | |
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| 24 | # ------------------------------------------------------------------------------ |
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| 25 | # MODULES |
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| 26 | # ------------------------------------------------------------------------------ |
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| 27 | |
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| 28 | |
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| 29 | # ------------------------------------------------------------------------------ |
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| 30 | # FUNCTIONS |
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| 31 | # ------------------------------------------------------------------------------ |
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| 32 | |
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| 33 | |
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| 34 | def check_grid_area(grid, area, upper, lower, left , right): |
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| 35 | ''' |
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| 36 | |
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| 37 | |
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| 38 | ''' |
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| 39 | # if area was provided |
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| 40 | # decompose area into its 4 components |
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| 41 | if area: |
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| 42 | components = area.split('/') |
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| 43 | upper, left, lower, right = components |
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| 44 | |
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| 45 | if 'N' in grid: # Gaussian output grid |
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| 46 | area = 'G' |
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| 47 | return grid, area |
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| 48 | |
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| 49 | if '/' in grid: |
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| 50 | gridx, gridy = grid.split('/') |
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| 51 | if gridx == gridy: |
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| 52 | grid = gridx |
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| 53 | else: |
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| 54 | raise ValueError('GRID parameter contains two values ' |
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| 55 | 'which are unequal %s' (grid)) |
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| 56 | # determine grid format |
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| 57 | if float(grid) / 100. >= 0.5: |
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| 58 | # grid is defined in 1/1000 degrees; old format |
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| 59 | grid = '{}/{}'.format(float(grid) / 1000., |
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| 60 | float(grid) / 1000.) |
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| 61 | elif float(grid) / 100. < 0.5: |
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| 62 | # grid is defined in normal degree; new format |
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| 63 | grid = '{}/{}'.format(float(grid), float(grid)) |
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| 64 | |
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| 65 | # determine area format |
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| 66 | if (float(upper) / 1000. >= 0.05 and |
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| 67 | float(lower) / 1000. >= 0.05 and |
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| 68 | float(left) / 1000. >= 0.05 and |
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| 69 | float(right) / 1000. >= 0.05): |
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| 70 | # area is defined in 1/1000 degrees; old format |
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| 71 | area = '{}/{}/{}/{}'.format(float(upper) / 1000., |
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| 72 | float(left) / 1000., |
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| 73 | float(lower) / 1000., |
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| 74 | float(right) / 1000.) |
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| 75 | elif (float(upper) / 1000. < 0.05 and |
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| 76 | float(lower) / 1000. < 0.05 and |
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| 77 | float(left) / 1000. < 0.05 and |
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| 78 | float(right) / 1000. < 0.05): |
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| 79 | # area is already in new format |
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| 80 | area = '{}/{}/{}/{}'.format(float(upper), |
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| 81 | float(left), |
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| 82 | float(lower), |
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| 83 | float(right)) |
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| 84 | else: |
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| 85 | raise ValueError('The area components have different ' |
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| 86 | 'formats: %s ' (area)) |
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| 87 | |
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| 88 | return grid, area |
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