1 |
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2 | #include "stdafx.h"
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3 | #include <vector>
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4 | #include <boost/polygon/polygon.hpp>
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5 | using namespace boost::polygon::operators;
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6 |
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7 | #define POLYGON_45
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8 |
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9 | #ifdef POLYGON_45
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10 | int points_A_1[] =
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11 | { // 45 degree polygon
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12 | -92810838,3618230,
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13 | -94606872,1822196,
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14 | -94999302,2214626,
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15 | -93203268,4010660};
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16 | int points_A_1_size =4;
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17 |
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18 | #else
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19 | int points_A_1[] =
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20 | { // arbitrary polygon
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21 | -92810838,3618230,
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22 | -94606872,1822196,
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23 | -94999302,2214625, // 2214626 -> 2214625, near 45 degree edge
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24 | -93203268,4010660};
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25 | int points_A_1_size =4;
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26 |
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27 | #endif
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28 |
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29 | int points_B_1[] =
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30 | {
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31 | -94739968,1676908,
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32 | -94606618,1822450,
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33 | -94999048,2214880,
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34 | -95165164,2033778};
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35 | int points_B_1_size =4;
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36 |
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37 |
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38 | int
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39 | main(int argc, char **argv)
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40 | {
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41 | typedef boost::polygon::polygon_data<double> Polygon;
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42 | typedef boost::polygon::point_data<double> Point;
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43 | typedef boost::polygon::polygon_set_data<double> PolygonSet;
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44 |
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45 | std::vector<Point> points;
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46 |
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47 | int count = points_A_1_size;
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48 | for (int i = 0; i < count; ++i) {
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49 | points.push_back(boost::polygon::construct<Point>(points_A_1[2 * i], points_A_1[2 * i+1]));
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50 | }
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51 |
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52 | Polygon A;
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53 | A.set(points.begin(), points.end());
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54 |
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55 |
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56 | points.clear();
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57 | count = points_B_1_size;
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58 | for (int i = 0; i < count; ++i) {
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59 | points.push_back(boost::polygon::construct<Point>(points_B_1[2 * i], points_B_1[2 * i+1]));
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60 | }
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61 |
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62 | Polygon B;
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63 | B.set(points.begin(), points.end());
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64 |
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65 | PolygonSet ps1, ps2, ps3;
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66 |
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67 | ps1 += A;
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68 | ps2 += B;
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69 | assign(ps3, ps1 + ps2);
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70 |
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71 | std::vector<Polygon> polygons;
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72 | ps3.get(polygons);
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73 | return 0;
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74 | }
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