1 | |
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2 | import os, sys |
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3 | sys.path.append('..') |
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4 | |
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5 | #problem, it's loading pyvolution mesh 1st! |
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6 | from mesh import * |
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7 | from coordinate_transforms.geo_reference import Geo_reference |
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8 | |
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9 | #------------------------------------------------------------- |
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10 | if __name__ == "__main__": |
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11 | |
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12 | # from 100m dem |
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13 | geo = Geo_reference(xllcorner = 241191.35087962, |
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14 | yllcorner = 6111741.8729311, |
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15 | zone = 56) |
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16 | m = Mesh(geo_reference=geo) |
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17 | bellambi_northing = 6195000 |
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18 | north_beach_northing = 6183000 |
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19 | border = 12000 |
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20 | west = 301000 # From the map |
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21 | inner_east = 310000 # From the map |
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22 | inner_west_south = 303000 # From the map |
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23 | inner_west_north = 307000 # From the map |
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24 | east = 328421 |
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25 | center = (east+inner_east)/2 |
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26 | |
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27 | dict = {} |
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28 | dict['pointlist'] = [[west, north_beach_northing - border], #sw |
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29 | [west, bellambi_northing + border], #nw |
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30 | [center, |
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31 | bellambi_northing + border], #n_center |
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32 | [east, bellambi_northing + border], #ne |
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33 | [east, north_beach_northing - border], #se |
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34 | [center, |
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35 | north_beach_northing - border] #s_center |
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36 | ] |
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37 | dict['segmentlist'] = [[0,1],[1,2],[2,3], |
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38 | [3,4],[4,5],[5,0], # the outer boarder |
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39 | [2,5] # the center line |
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40 | ] |
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41 | |
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42 | m.addVertsSegs(dict) |
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43 | |
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44 | dict = {} |
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45 | dict['pointlist'] = [ |
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46 | [inner_west_south,north_beach_northing], #sw |
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47 | [inner_west_north,bellambi_northing], #nw |
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48 | [inner_east,bellambi_northing], #ne |
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49 | [inner_east,north_beach_northing] #se |
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50 | ] |
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51 | dict['segmentlist'] = [[0,1],[1,2],[2,3],[3,0]] # the inner boarder |
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52 | m.addVertsSegs(dict) |
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53 | |
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54 | factor = 10000 #low res 10000, high res 1000 |
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55 | low = m.addRegionEN(east-0.5, bellambi_northing + border-0.5) |
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56 | low.setMaxArea(100*factor) |
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57 | |
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58 | medium = m.addRegionEN(center-0.5, bellambi_northing + border-0.5) |
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59 | medium.setMaxArea(10*factor) |
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60 | |
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61 | high = m.addRegionEN(inner_east-0.5,bellambi_northing-0.5) |
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62 | high.setMaxArea(1*factor) |
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63 | m.generateMesh() |
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64 | |
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65 | m.export_triangulation_file("wollongong_outline.msh") |
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66 | |
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