1 | """Build the elevation data to run a tsunami inundation scenario |
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2 | for Busselton, WA, Australia. |
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3 | |
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4 | Input: elevation data from project.py |
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5 | Output: pts file stored in project.topographies_dir |
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6 | The run_model.py is reliant on the output of this script. |
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7 | |
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8 | """ |
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9 | |
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10 | #------------------------------------------------------------------------------ |
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11 | # Import necessary modules |
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12 | #------------------------------------------------------------------------------ |
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13 | |
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14 | # Standard modules |
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15 | import os |
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16 | from os.path import join |
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17 | |
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18 | # Related major packages |
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19 | from anuga.shallow_water.data_manager import convert_dem_from_ascii2netcdf |
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20 | from anuga.shallow_water.data_manager import dem2pts |
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21 | from anuga.shallow_water.data_manager import start_screen_catcher |
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22 | from anuga.shallow_water.data_manager import copy_code_files |
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23 | from anuga.geospatial_data.geospatial_data import Geospatial_data |
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24 | |
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25 | # Application specific imports |
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26 | import project # Definition of file names and polygons |
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27 | |
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28 | |
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29 | #------------------------------------------------------------------------------ |
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30 | # Copy scripts to time stamped output directory and capture screen |
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31 | # output to file |
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32 | #------------------------------------------------------------------------------ |
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33 | copy_code_files(project.output_build,__file__, |
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34 | os.path.dirname(project.__file__)+os.sep+\ |
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35 | project.__name__+'.py' ) |
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36 | start_screen_catcher(project.output_build) |
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37 | |
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38 | |
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39 | #------------------------------------------------------------------------------ |
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40 | # Preparation of topographic data |
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41 | # |
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42 | # Convert ASC 2 DEM 2 PTS using source data and store result in source data |
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43 | # Do for coarse and fine data |
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44 | # Fine pts file to be clipped to area of interest |
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45 | #------------------------------------------------------------------------------ |
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46 | |
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47 | print 'project.bounding_polygon', project.bounding_polygon |
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48 | print 'project.combined_elevation_basename', project.combined_elevation_basename |
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49 | |
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50 | # Create Geospatial data from ASCII files |
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51 | geospatial_data = {} |
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52 | ##for filename in project.ascii_grid_filenames: |
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53 | ## absolute_filename = join(project.topographies_folder, filename) |
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54 | ## convert_dem_from_ascii2netcdf(absolute_filename, |
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55 | ## basename_out=absolute_filename, |
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56 | ## use_cache=True, |
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57 | ## verbose=True) |
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58 | ## dem2pts(absolute_filename, use_cache=True, verbose=True) |
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59 | ## |
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60 | ## geospatial_data[filename] = Geospatial_data(file_name=absolute_filename+'.pts', |
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61 | ## verbose=True) |
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62 | |
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63 | ### Create Geospatial data from TXT files |
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64 | for filename in project.point_filenames: |
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65 | absolute_filename = join(project.topographies_folder, filename) |
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66 | geospatial_data[filename] = Geospatial_data(file_name=absolute_filename, |
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67 | verbose=True) |
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68 | |
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69 | |
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70 | #------------------------------------------------------------------------------- |
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71 | # Combine, clip and export dataset |
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72 | #------------------------------------------------------------------------------- |
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73 | |
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74 | print 'Add geospatial objects' # except', project.offshore_name5 |
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75 | G = None |
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76 | for key in geospatial_data: |
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77 | #if key == project.point_filenames[4] or key == project.ascii_filenames[1]: |
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78 | # # Skip these files for now |
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79 | # continue |
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80 | |
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81 | G += geospatial_data[key] |
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82 | |
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83 | print 'Clip combined geospatial data' |
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84 | ##G_clip = G.clip_outside(project.poly_aoi1) |
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85 | ##G_all = G_clip + geospatial_data[project.point_filenames[4]] |
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86 | #G_clipped = G_all.clip(project.poly_all) |
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87 | G_clip = G.clip(project.bounding_polygon) |
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88 | |
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89 | |
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90 | print 'Export combined DEM file' |
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91 | G_clip.export_points_file(project.combined_elevation + '.pts') |
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92 | print 'Do txt version too' |
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93 | # Use for comparision in ARC |
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94 | G_clip.export_points_file(project.combined_elevation + '.txt') |
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95 | |
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