==dxf import script ==
script for DXF import by kitsu (Ed Blake) - provide superior import to our native DXF import for many files
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282
release/scripts/bpymodules/dxfColorMap.py
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282
release/scripts/bpymodules/dxfColorMap.py
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# dictionary mapping AutoCAD color indexes with Blender colors
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# --------------------------------------------------------------------------
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# color_map.py Final by Ed Blake (AKA Kitsu)
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# --------------------------------------------------------------------------
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# ***** BEGIN GPL LICENSE BLOCK *****
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ***** END GPL LICENCE BLOCK *****
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# --------------------------------------------------------------------------
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color_map = {
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0:[0.0, 0.0, 0.0],
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1:[0.99609375, 0.0, 0.0],
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2:[0.99609375, 0.99609375, 0.0],
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3:[0.0, 0.99609375, 0.0],
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4:[0.0, 0.99609375, 0.99609375],
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5:[0.0, 0.0, 0.99609375],
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6:[0.99609375, 0.0, 0.99609375],
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7:[0.99609375, 0.99609375, 0.99609375],
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8:[0.25390625, 0.25390625, 0.25390625],
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9:[0.5, 0.5, 0.5],
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10:[0.99609375, 0.0, 0.0],
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11:[0.99609375, 0.6640625, 0.6640625],
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12:[0.73828125, 0.0, 0.0],
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13:[0.73828125, 0.4921875, 0.4921875],
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14:[0.50390625, 0.0, 0.0],
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15:[0.50390625, 0.3359375, 0.3359375],
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16:[0.40625, 0.0, 0.0],
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17:[0.40625, 0.26953125, 0.26953125],
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18:[0.30859375, 0.0, 0.0],
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19:[0.30859375, 0.20703125, 0.20703125],
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20:[0.99609375, 0.24609375, 0.0],
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21:[0.99609375, 0.74609375, 0.6640625],
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22:[0.73828125, 0.1796875, 0.0],
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23:[0.73828125, 0.55078125, 0.4921875],
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24:[0.50390625, 0.12109375, 0.0],
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25:[0.50390625, 0.375, 0.3359375],
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26:[0.40625, 0.09765625, 0.0],
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27:[0.40625, 0.3046875, 0.26953125],
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28:[0.30859375, 0.07421875, 0.0],
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29:[0.30859375, 0.23046875, 0.20703125],
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30:[0.99609375, 0.49609375, 0.0],
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31:[0.99609375, 0.828125, 0.6640625],
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32:[0.73828125, 0.3671875, 0.0],
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33:[0.73828125, 0.61328125, 0.4921875],
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34:[0.50390625, 0.25, 0.0],
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35:[0.50390625, 0.41796875, 0.3359375],
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36:[0.40625, 0.203125, 0.0],
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37:[0.40625, 0.3359375, 0.26953125],
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38:[0.30859375, 0.15234375, 0.0],
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39:[0.30859375, 0.2578125, 0.20703125],
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40:[0.99609375, 0.74609375, 0.0],
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41:[0.99609375, 0.9140625, 0.6640625],
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42:[0.73828125, 0.55078125, 0.0],
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43:[0.73828125, 0.67578125, 0.4921875],
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44:[0.50390625, 0.375, 0.0],
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45:[0.50390625, 0.4609375, 0.3359375],
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46:[0.40625, 0.3046875, 0.0],
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47:[0.40625, 0.37109375, 0.26953125],
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48:[0.30859375, 0.23046875, 0.0],
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49:[0.30859375, 0.28515625, 0.20703125],
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50:[0.99609375, 0.99609375, 0.0],
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51:[0.99609375, 0.99609375, 0.6640625],
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52:[0.73828125, 0.73828125, 0.0],
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53:[0.73828125, 0.73828125, 0.4921875],
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54:[0.50390625, 0.50390625, 0.0],
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55:[0.50390625, 0.50390625, 0.3359375],
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56:[0.40625, 0.40625, 0.0],
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57:[0.40625, 0.40625, 0.26953125],
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58:[0.30859375, 0.30859375, 0.0],
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59:[0.30859375, 0.30859375, 0.20703125],
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60:[0.74609375, 0.99609375, 0.0],
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61:[0.9140625, 0.99609375, 0.6640625],
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62:[0.55078125, 0.73828125, 0.0],
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63:[0.67578125, 0.73828125, 0.4921875],
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64:[0.375, 0.50390625, 0.0],
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65:[0.4609375, 0.50390625, 0.3359375],
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66:[0.3046875, 0.40625, 0.0],
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67:[0.37109375, 0.40625, 0.26953125],
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68:[0.23046875, 0.30859375, 0.0],
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69:[0.28515625, 0.30859375, 0.20703125],
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70:[0.49609375, 0.99609375, 0.0],
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71:[0.828125, 0.99609375, 0.6640625],
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72:[0.3671875, 0.73828125, 0.0],
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73:[0.61328125, 0.73828125, 0.4921875],
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74:[0.25, 0.50390625, 0.0],
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75:[0.41796875, 0.50390625, 0.3359375],
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76:[0.203125, 0.40625, 0.0],
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77:[0.3359375, 0.40625, 0.26953125],
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78:[0.15234375, 0.30859375, 0.0],
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79:[0.2578125, 0.30859375, 0.20703125],
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80:[0.24609375, 0.99609375, 0.0],
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81:[0.74609375, 0.99609375, 0.6640625],
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82:[0.1796875, 0.73828125, 0.0],
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83:[0.55078125, 0.73828125, 0.4921875],
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84:[0.12109375, 0.50390625, 0.0],
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85:[0.375, 0.50390625, 0.3359375],
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86:[0.09765625, 0.40625, 0.0],
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87:[0.3046875, 0.40625, 0.26953125],
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88:[0.07421875, 0.30859375, 0.0],
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89:[0.23046875, 0.30859375, 0.20703125],
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90:[0.0, 0.99609375, 0.0],
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91:[0.6640625, 0.99609375, 0.6640625],
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92:[0.0, 0.73828125, 0.0],
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93:[0.4921875, 0.73828125, 0.4921875],
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94:[0.0, 0.50390625, 0.0],
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95:[0.3359375, 0.50390625, 0.3359375],
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96:[0.0, 0.40625, 0.0],
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97:[0.26953125, 0.40625, 0.26953125],
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98:[0.0, 0.30859375, 0.0],
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99:[0.20703125, 0.30859375, 0.20703125],
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100:[0.0, 0.99609375, 0.24609375],
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101:[0.6640625, 0.99609375, 0.74609375],
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102:[0.0, 0.73828125, 0.1796875],
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103:[0.4921875, 0.73828125, 0.55078125],
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104:[0.0, 0.50390625, 0.12109375],
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105:[0.3359375, 0.50390625, 0.375],
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106:[0.0, 0.40625, 0.09765625],
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107:[0.26953125, 0.40625, 0.3046875],
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108:[0.0, 0.30859375, 0.07421875],
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109:[0.20703125, 0.30859375, 0.23046875],
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110:[0.0, 0.99609375, 0.49609375],
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111:[0.6640625, 0.99609375, 0.828125],
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112:[0.0, 0.73828125, 0.3671875],
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113:[0.4921875, 0.73828125, 0.61328125],
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114:[0.0, 0.50390625, 0.25],
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115:[0.3359375, 0.50390625, 0.41796875],
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116:[0.0, 0.40625, 0.203125],
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117:[0.26953125, 0.40625, 0.3359375],
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118:[0.0, 0.30859375, 0.15234375],
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119:[0.20703125, 0.30859375, 0.2578125],
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120:[0.0, 0.99609375, 0.74609375],
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121:[0.6640625, 0.99609375, 0.9140625],
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122:[0.0, 0.73828125, 0.55078125],
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123:[0.4921875, 0.73828125, 0.67578125],
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124:[0.0, 0.50390625, 0.375],
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125:[0.3359375, 0.50390625, 0.4609375],
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126:[0.0, 0.40625, 0.3046875],
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127:[0.26953125, 0.40625, 0.37109375],
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128:[0.0, 0.30859375, 0.23046875],
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129:[0.20703125, 0.30859375, 0.28515625],
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130:[0.0, 0.99609375, 0.99609375],
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131:[0.6640625, 0.99609375, 0.99609375],
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132:[0.0, 0.73828125, 0.73828125],
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133:[0.4921875, 0.73828125, 0.73828125],
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134:[0.0, 0.50390625, 0.50390625],
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135:[0.3359375, 0.50390625, 0.50390625],
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136:[0.0, 0.40625, 0.40625],
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137:[0.26953125, 0.40625, 0.40625],
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138:[0.0, 0.30859375, 0.30859375],
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139:[0.20703125, 0.30859375, 0.30859375],
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140:[0.0, 0.74609375, 0.99609375],
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141:[0.6640625, 0.9140625, 0.99609375],
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142:[0.0, 0.55078125, 0.73828125],
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143:[0.4921875, 0.67578125, 0.73828125],
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144:[0.0, 0.375, 0.50390625],
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145:[0.3359375, 0.4609375, 0.50390625],
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146:[0.0, 0.3046875, 0.40625],
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147:[0.26953125, 0.37109375, 0.40625],
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148:[0.0, 0.23046875, 0.30859375],
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149:[0.20703125, 0.28515625, 0.30859375],
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150:[0.0, 0.49609375, 0.99609375],
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151:[0.6640625, 0.828125, 0.99609375],
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152:[0.0, 0.3671875, 0.73828125],
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153:[0.4921875, 0.61328125, 0.73828125],
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154:[0.0, 0.25, 0.50390625],
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155:[0.3359375, 0.41796875, 0.50390625],
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156:[0.0, 0.203125, 0.40625],
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157:[0.26953125, 0.3359375, 0.40625],
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158:[0.0, 0.15234375, 0.30859375],
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159:[0.20703125, 0.2578125, 0.30859375],
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160:[0.0, 0.24609375, 0.99609375],
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161:[0.6640625, 0.74609375, 0.99609375],
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162:[0.0, 0.1796875, 0.73828125],
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163:[0.4921875, 0.55078125, 0.73828125],
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164:[0.0, 0.12109375, 0.50390625],
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165:[0.3359375, 0.375, 0.50390625],
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166:[0.0, 0.09765625, 0.40625],
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167:[0.26953125, 0.3046875, 0.40625],
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168:[0.0, 0.07421875, 0.30859375],
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169:[0.20703125, 0.23046875, 0.30859375],
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170:[0.0, 0.0, 0.99609375],
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171:[0.6640625, 0.6640625, 0.99609375],
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172:[0.0, 0.0, 0.73828125],
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173:[0.4921875, 0.4921875, 0.73828125],
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174:[0.0, 0.0, 0.50390625],
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175:[0.3359375, 0.3359375, 0.50390625],
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176:[0.0, 0.0, 0.40625],
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177:[0.26953125, 0.26953125, 0.40625],
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178:[0.0, 0.0, 0.30859375],
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179:[0.20703125, 0.20703125, 0.30859375],
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180:[0.24609375, 0.0, 0.99609375],
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181:[0.74609375, 0.6640625, 0.99609375],
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182:[0.1796875, 0.0, 0.73828125],
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183:[0.55078125, 0.4921875, 0.73828125],
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184:[0.12109375, 0.0, 0.50390625],
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185:[0.375, 0.3359375, 0.50390625],
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|
186:[0.09765625, 0.0, 0.40625],
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|
187:[0.3046875, 0.26953125, 0.40625],
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|
188:[0.07421875, 0.0, 0.30859375],
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|
189:[0.23046875, 0.20703125, 0.30859375],
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190:[0.49609375, 0.0, 0.99609375],
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|
191:[0.828125, 0.6640625, 0.99609375],
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|
192:[0.3671875, 0.0, 0.73828125],
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|
193:[0.61328125, 0.4921875, 0.73828125],
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|
194:[0.25, 0.0, 0.50390625],
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|
195:[0.41796875, 0.3359375, 0.50390625],
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|
196:[0.203125, 0.0, 0.40625],
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|
197:[0.3359375, 0.26953125, 0.40625],
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|
198:[0.15234375, 0.0, 0.30859375],
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|
199:[0.2578125, 0.20703125, 0.30859375],
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|
200:[0.74609375, 0.0, 0.99609375],
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|
201:[0.9140625, 0.6640625, 0.99609375],
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|
202:[0.55078125, 0.0, 0.73828125],
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|
203:[0.67578125, 0.4921875, 0.73828125],
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|
204:[0.375, 0.0, 0.50390625],
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|
205:[0.4609375, 0.3359375, 0.50390625],
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|
206:[0.3046875, 0.0, 0.40625],
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|
207:[0.37109375, 0.26953125, 0.40625],
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||||||
|
208:[0.23046875, 0.0, 0.30859375],
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||||||
|
209:[0.28515625, 0.20703125, 0.30859375],
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|
210:[0.99609375, 0.0, 0.99609375],
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|
211:[0.99609375, 0.6640625, 0.99609375],
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|
212:[0.73828125, 0.0, 0.73828125],
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|
213:[0.73828125, 0.4921875, 0.73828125],
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|
214:[0.50390625, 0.0, 0.50390625],
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215:[0.50390625, 0.3359375, 0.50390625],
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216:[0.40625, 0.0, 0.40625],
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217:[0.40625, 0.26953125, 0.40625],
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218:[0.30859375, 0.0, 0.30859375],
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219:[0.30859375, 0.20703125, 0.30859375],
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220:[0.99609375, 0.0, 0.74609375],
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|
221:[0.99609375, 0.6640625, 0.9140625],
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222:[0.73828125, 0.0, 0.55078125],
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223:[0.73828125, 0.4921875, 0.67578125],
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224:[0.50390625, 0.0, 0.375],
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|
225:[0.50390625, 0.3359375, 0.4609375],
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|
226:[0.40625, 0.0, 0.3046875],
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|
227:[0.40625, 0.26953125, 0.37109375],
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|
228:[0.30859375, 0.0, 0.23046875],
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|
229:[0.30859375, 0.20703125, 0.28515625],
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230:[0.99609375, 0.0, 0.49609375],
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|
231:[0.99609375, 0.6640625, 0.828125],
|
||||||
|
232:[0.73828125, 0.0, 0.3671875],
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|
233:[0.73828125, 0.4921875, 0.61328125],
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|
234:[0.50390625, 0.0, 0.25],
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|
235:[0.50390625, 0.3359375, 0.41796875],
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||||||
|
236:[0.40625, 0.0, 0.203125],
|
||||||
|
237:[0.40625, 0.26953125, 0.3359375],
|
||||||
|
238:[0.30859375, 0.0, 0.15234375],
|
||||||
|
239:[0.30859375, 0.20703125, 0.2578125],
|
||||||
|
240:[0.99609375, 0.0, 0.24609375],
|
||||||
|
241:[0.99609375, 0.6640625, 0.74609375],
|
||||||
|
242:[0.73828125, 0.0, 0.1796875],
|
||||||
|
243:[0.73828125, 0.4921875, 0.55078125],
|
||||||
|
244:[0.50390625, 0.0, 0.12109375],
|
||||||
|
245:[0.50390625, 0.3359375, 0.375],
|
||||||
|
246:[0.40625, 0.0, 0.09765625],
|
||||||
|
247:[0.40625, 0.26953125, 0.3046875],
|
||||||
|
248:[0.30859375, 0.0, 0.07421875],
|
||||||
|
249:[0.30859375, 0.20703125, 0.23046875],
|
||||||
|
250:[0.19921875, 0.19921875, 0.19921875],
|
||||||
|
251:[0.3125, 0.3125, 0.3125],
|
||||||
|
252:[0.41015625, 0.41015625, 0.41015625],
|
||||||
|
253:[0.5078125, 0.5078125, 0.5078125],
|
||||||
|
254:[0.7421875, 0.7421875, 0.7421875],
|
||||||
|
255:[0.99609375, 0.99609375, 0.99609375],
|
||||||
|
}
|
||||||
1326
release/scripts/bpymodules/dxfImportObjects.py
Normal file
1326
release/scripts/bpymodules/dxfImportObjects.py
Normal file
File diff suppressed because it is too large
Load Diff
323
release/scripts/bpymodules/dxfReader.py
Normal file
323
release/scripts/bpymodules/dxfReader.py
Normal file
@@ -0,0 +1,323 @@
|
|||||||
|
"""This module provides a function for reading dxf files and parsing them into a useful tree of objects and data.
|
||||||
|
|
||||||
|
The convert function is called by the readDXF fuction to convert dxf strings into the correct data based
|
||||||
|
on their type code. readDXF expects a (full path) file name as input.
|
||||||
|
"""
|
||||||
|
|
||||||
|
# --------------------------------------------------------------------------
|
||||||
|
# DXF Reader v0.8 by Ed Blake (AKA Kitsu)
|
||||||
|
# --------------------------------------------------------------------------
|
||||||
|
# ***** BEGIN GPL LICENSE BLOCK *****
|
||||||
|
#
|
||||||
|
# This program is free software; you can redistribute it and/or
|
||||||
|
# modify it under the terms of the GNU General Public License
|
||||||
|
# as published by the Free Software Foundation; either version 2
|
||||||
|
# of the License, or (at your option) any later version.
|
||||||
|
#
|
||||||
|
# This program is distributed in the hope that it will be useful,
|
||||||
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
# GNU General Public License for more details.
|
||||||
|
#
|
||||||
|
# You should have received a copy of the GNU General Public License
|
||||||
|
# along with this program; if not, write to the Free Software Foundation,
|
||||||
|
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||||
|
#
|
||||||
|
# ***** END GPL LICENCE BLOCK *****
|
||||||
|
# --------------------------------------------------------------------------
|
||||||
|
|
||||||
|
|
||||||
|
from dxfImportObjects import *
|
||||||
|
|
||||||
|
class InitializationError(Exception): pass
|
||||||
|
|
||||||
|
class StateMachine:
|
||||||
|
"""(finite) State Machine from the great David Mertz's great Charming Python article."""
|
||||||
|
|
||||||
|
def __init__(self):
|
||||||
|
self.handlers = []
|
||||||
|
self.startState = None
|
||||||
|
self.endStates = []
|
||||||
|
|
||||||
|
def add_state(self, handler, end_state=0):
|
||||||
|
"""All states and handlers are functions which return
|
||||||
|
a state and a cargo."""
|
||||||
|
self.handlers.append(handler)
|
||||||
|
if end_state:
|
||||||
|
self.endStates.append(handler)
|
||||||
|
def set_start(self, handler):
|
||||||
|
"""Sets the starting handler function."""
|
||||||
|
self.startState = handler
|
||||||
|
|
||||||
|
|
||||||
|
def run(self, cargo=None):
|
||||||
|
if not self.startState:
|
||||||
|
raise InitializationError,\
|
||||||
|
"must call .set_start() before .run()"
|
||||||
|
if not self.endStates:
|
||||||
|
raise InitializationError, \
|
||||||
|
"at least one state must be an end_state"
|
||||||
|
handler = self.startState
|
||||||
|
while 1:
|
||||||
|
(newState, cargo) = handler(cargo)
|
||||||
|
#print cargo
|
||||||
|
if newState in self.endStates:
|
||||||
|
return newState(cargo)
|
||||||
|
#break
|
||||||
|
elif newState not in self.handlers:
|
||||||
|
raise RuntimeError, "Invalid target %s" % newState
|
||||||
|
else:
|
||||||
|
handler = newState
|
||||||
|
|
||||||
|
def convert(code, value):
|
||||||
|
"""Convert a string to the correct Python type based on its dxf code.
|
||||||
|
code types:
|
||||||
|
ints = 60-79, 170-179, 270-289, 370-389, 400-409, 1060-1070
|
||||||
|
longs = 90-99, 420-429, 440-459, 1071
|
||||||
|
floats = 10-39, 40-59, 110-139, 140-149, 210-239, 460-469, 1010-1059
|
||||||
|
hex = 105, 310-379, 390-399
|
||||||
|
strings = 0-9, 100, 102, 300-309, 410-419, 430-439, 470-479, 999, 1000-1009
|
||||||
|
"""
|
||||||
|
if 59 < code < 80 or 169 < code < 180 or 269 < code < 290 or 369 < code < 390 or 399 < code < 410 or 1059 < code < 1071:
|
||||||
|
value = int(value)
|
||||||
|
elif 89 < code < 100 or 419 < code < 430 or 439 < code < 460 or code == 1071:
|
||||||
|
value = long(value)
|
||||||
|
elif 9 < code < 60 or 109 < code < 150 or 209 < code < 240 or 459 < code < 470 or 1009 < code < 1060:
|
||||||
|
value = float(value)
|
||||||
|
elif code == 105 or 309 < code < 380 or 389 < code < 400:
|
||||||
|
value = int(value, 16) # should be left as string?
|
||||||
|
else: # it's already a string so do nothing
|
||||||
|
pass
|
||||||
|
return value
|
||||||
|
|
||||||
|
|
||||||
|
def findObject(infile, kind=''):
|
||||||
|
"""Finds the next occurance of an object."""
|
||||||
|
obj = False
|
||||||
|
while 1:
|
||||||
|
line = infile.readline()
|
||||||
|
if not line: # readline returns '' at eof
|
||||||
|
return False
|
||||||
|
if not obj: # We're still looking for our object code
|
||||||
|
if line.lower().strip() == '0':
|
||||||
|
obj = True # found it
|
||||||
|
else: # we are in an object definition
|
||||||
|
if kind: # if we're looking for a particular kind
|
||||||
|
if line.lower().strip() == kind:
|
||||||
|
obj = Object(line.lower().strip())
|
||||||
|
break
|
||||||
|
else: # otherwise take anything non-numeric
|
||||||
|
if line.lower().strip() not in string.digits:
|
||||||
|
obj = Object(line.lower().strip())
|
||||||
|
break
|
||||||
|
obj = False # whether we found one or not it's time to start over
|
||||||
|
return obj
|
||||||
|
|
||||||
|
def handleObject(infile):
|
||||||
|
"""Add data to an object until end of object is found."""
|
||||||
|
line = infile.readline()
|
||||||
|
if line.lower().strip() == 'section':
|
||||||
|
return 'section' # this would be a problem
|
||||||
|
elif line.lower().strip() == 'endsec':
|
||||||
|
return 'endsec' # this means we are done with a section
|
||||||
|
else: # add data to the object until we find a new object
|
||||||
|
obj = Object(line.lower().strip())
|
||||||
|
obj.name = obj.type
|
||||||
|
done = False
|
||||||
|
data = []
|
||||||
|
while not done:
|
||||||
|
line = infile.readline()
|
||||||
|
if not data:
|
||||||
|
if line.lower().strip() == '0':
|
||||||
|
#we've found an object, time to return
|
||||||
|
return obj
|
||||||
|
else:
|
||||||
|
# first part is always an int
|
||||||
|
data.append(int(line.lower().strip()))
|
||||||
|
else:
|
||||||
|
data.append(convert(data[0], line.strip()))
|
||||||
|
obj.data.append(data)
|
||||||
|
data = []
|
||||||
|
|
||||||
|
def handleTable(table, infile):
|
||||||
|
"""Special handler for dealing with nested table objects."""
|
||||||
|
item, name = get_name(table.data)
|
||||||
|
if name: # We should always find a name
|
||||||
|
table.data.remove(item)
|
||||||
|
table.name = name.lower()
|
||||||
|
# This next bit is from handleObject
|
||||||
|
# handleObject should be generalized to work with any section like object
|
||||||
|
while 1:
|
||||||
|
obj = handleObject(infile)
|
||||||
|
if obj.type == 'table':
|
||||||
|
print "Warning: previous table not closed!"
|
||||||
|
return table
|
||||||
|
elif obj.type == 'endtab':
|
||||||
|
return table # this means we are done with the table
|
||||||
|
else: # add objects to the table until one of the above is found
|
||||||
|
table.data.append(obj)
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
def handleBlock(block, infile):
|
||||||
|
"""Special handler for dealing with nested table objects."""
|
||||||
|
item, name = get_name(block.data)
|
||||||
|
if name: # We should always find a name
|
||||||
|
block.data.remove(item)
|
||||||
|
block.name = name.lower()
|
||||||
|
# This next bit is from handleObject
|
||||||
|
# handleObject should be generalized to work with any section like object
|
||||||
|
while 1:
|
||||||
|
obj = handleObject(infile)
|
||||||
|
if obj.type == 'block':
|
||||||
|
print "Warning: previous block not closed!"
|
||||||
|
return block
|
||||||
|
elif obj.type == 'endblk':
|
||||||
|
return block # this means we are done with the table
|
||||||
|
else: # add objects to the table until one of the above is found
|
||||||
|
block.data.append(obj)
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
"""These are the states/functions used in the State Machine.
|
||||||
|
states:
|
||||||
|
start - find first section
|
||||||
|
start_section - add data, find first object
|
||||||
|
object - add obj-data, watch for next obj (called directly by start_section)
|
||||||
|
end_section - look for next section or eof
|
||||||
|
end - return results
|
||||||
|
"""
|
||||||
|
|
||||||
|
def start(cargo):
|
||||||
|
"""Expects the infile as cargo, initializes the cargo."""
|
||||||
|
#print "Entering start state!"
|
||||||
|
infile = cargo
|
||||||
|
drawing = Object('drawing')
|
||||||
|
section = findObject(infile, 'section')
|
||||||
|
if section:
|
||||||
|
return start_section, (infile, drawing, section)
|
||||||
|
else:
|
||||||
|
return error, (infile, "Failed to find any sections!")
|
||||||
|
|
||||||
|
def start_section(cargo):
|
||||||
|
"""Expects [infile, drawing, section] as cargo, builds a nested section object."""
|
||||||
|
#print "Entering start_section state!"
|
||||||
|
infile = cargo[0]
|
||||||
|
drawing = cargo[1]
|
||||||
|
section = cargo[2]
|
||||||
|
# read each line, if it is an object declaration go to object mode
|
||||||
|
# otherwise create a [index, data] pair and add it to the sections data.
|
||||||
|
done = False
|
||||||
|
data = []
|
||||||
|
while not done:
|
||||||
|
line = infile.readline()
|
||||||
|
|
||||||
|
if not data: # if we haven't found a dxf code yet
|
||||||
|
if line.lower().strip() == '0':
|
||||||
|
# we've found an object
|
||||||
|
while 1: # no way out unless we find an end section or a new section
|
||||||
|
obj = handleObject(infile)
|
||||||
|
if obj == 'section': # shouldn't happen
|
||||||
|
print "Warning: failed to close previous section!"
|
||||||
|
return end_section, (infile, drawing)
|
||||||
|
elif obj == 'endsec': # This section is over, look for the next
|
||||||
|
drawing.data.append(section)
|
||||||
|
return end_section, (infile, drawing)
|
||||||
|
elif obj.type == 'table': # tables are collections of data
|
||||||
|
obj = handleTable(obj, infile) # we need to find all there contents
|
||||||
|
section.data.append(obj) # before moving on
|
||||||
|
elif obj.type == 'block': # the same is true of blocks
|
||||||
|
obj = handleBlock(obj, infile) # we need to find all there contents
|
||||||
|
section.data.append(obj) # before moving on
|
||||||
|
else: # found another sub-object
|
||||||
|
section.data.append(obj)
|
||||||
|
else:
|
||||||
|
data.append(int(line.lower().strip()))
|
||||||
|
else: # we have our code, now we just need to convert the data and add it to our list.
|
||||||
|
data.append(convert(data[0], line.strip()))
|
||||||
|
section.data.append(data)
|
||||||
|
data = []
|
||||||
|
def end_section(cargo):
|
||||||
|
"""Expects (infile, drawing) as cargo, searches for next section."""
|
||||||
|
#print "Entering end_section state!"
|
||||||
|
infile = cargo[0]
|
||||||
|
drawing = cargo[1]
|
||||||
|
section = findObject(infile, 'section')
|
||||||
|
if section:
|
||||||
|
return start_section, (infile, drawing, section)
|
||||||
|
else:
|
||||||
|
return end, (infile, drawing)
|
||||||
|
|
||||||
|
def end(cargo):
|
||||||
|
"""Expects (infile, drawing) as cargo, called when eof has been reached."""
|
||||||
|
#print "Entering end state!"
|
||||||
|
infile = cargo[0]
|
||||||
|
drawing = cargo[1]
|
||||||
|
#infile.close()
|
||||||
|
return drawing
|
||||||
|
|
||||||
|
def error(cargo):
|
||||||
|
"""Expects a (infile, string) as cargo, called when there is an error during processing."""
|
||||||
|
#print "Entering error state!"
|
||||||
|
infile = cargo[0]
|
||||||
|
err = cargo[1]
|
||||||
|
infile.close()
|
||||||
|
print "There has been an error:"
|
||||||
|
print err
|
||||||
|
return False
|
||||||
|
|
||||||
|
def readDXF(filename):
|
||||||
|
"""Given a file name try to read it as a dxf file.
|
||||||
|
|
||||||
|
Output is an object with the following structure
|
||||||
|
drawing
|
||||||
|
header
|
||||||
|
header data
|
||||||
|
classes
|
||||||
|
class data
|
||||||
|
tables
|
||||||
|
table data
|
||||||
|
blocks
|
||||||
|
block data
|
||||||
|
entities
|
||||||
|
entity data
|
||||||
|
objects
|
||||||
|
object data
|
||||||
|
where foo data is a list of sub-objects. True object data
|
||||||
|
is of the form [code, data].
|
||||||
|
"""
|
||||||
|
infile = open(filename)
|
||||||
|
|
||||||
|
sm = StateMachine()
|
||||||
|
sm.add_state(error, True)
|
||||||
|
sm.add_state(end, True)
|
||||||
|
sm.add_state(start_section)
|
||||||
|
sm.add_state(end_section)
|
||||||
|
sm.add_state(start)
|
||||||
|
sm.set_start(start)
|
||||||
|
try:
|
||||||
|
drawing = sm.run(infile)
|
||||||
|
if drawing:
|
||||||
|
drawing.name = filename
|
||||||
|
for obj in drawing.data:
|
||||||
|
item, name = get_name(obj.data)
|
||||||
|
if name:
|
||||||
|
obj.data.remove(item)
|
||||||
|
obj.name = name.lower()
|
||||||
|
setattr(drawing, name.lower(), obj)
|
||||||
|
# Call the objectify function from dxfImportObjects to cast
|
||||||
|
# raw objects into the right types of object
|
||||||
|
obj.data = objectify(obj.data)
|
||||||
|
#print obj.name
|
||||||
|
finally:
|
||||||
|
infile.close()
|
||||||
|
return drawing
|
||||||
|
if __name__ == "__main__":
|
||||||
|
filename = r".\examples\block-test.dxf"
|
||||||
|
drawing = readDXF(filename)
|
||||||
|
for item in drawing.entities.data:
|
||||||
|
print item
|
||||||
|
|
||||||
|
|
||||||
1005
release/scripts/import_dxf.py
Normal file
1005
release/scripts/import_dxf.py
Normal file
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user