1 | // This file is a part of the Framsticks GDK. |
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2 | // Copyright (C) 1999-2014 Maciej Komosinski and Szymon Ulatowski. See LICENSE.txt for details. |
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3 | // Refer to http://www.framsticks.com/ for further information. |
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4 | |
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5 | #include "geometrytestutils.h" |
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6 | #include <frams/model/geometry/geometryutils.h> |
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7 | #include <frams/model/geometry/modelgeometryinfo.h> |
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8 | #include <frams/model/model.h> |
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9 | #include <frams/util/3d.h> |
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10 | #include <stdio.h> |
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11 | |
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12 | void test(Model &model, const double density) |
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13 | { |
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14 | // EXAMPLES ------------------------------------------------------------------------------------ |
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15 | |
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16 | // Calculating approximate volume of model. Parameter density describes minimal number of points |
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17 | // created for each unit of length. It means, that for each cubic unit of bounding box of model, |
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18 | // at least density^3 points will be created. |
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19 | double volume = ModelGeometryInfo::volume(model, density); |
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20 | |
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21 | |
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22 | // Calculating approximate surface area of model. Parameter density describes minimal number of |
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23 | // points created for each unit of length. It means, that for each square unit of surface area |
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24 | // of parts of model, at least density^2 points will be created. |
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25 | double area = ModelGeometryInfo::area(model, density); |
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26 | |
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27 | |
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28 | // Creating output variables. |
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29 | Pt3D sizes; |
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30 | Orient axes; |
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31 | // Calculating approximate sizes and axes of model. These values are calculated together because |
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32 | // they depends on each other. Sizes are distances between furthest points on model surface |
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33 | // measured along corresponding axes. Fields sizes.x and axes.x describes the 'length' of 3D |
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34 | // model. Fields sizes.y and axes.y desctibes 'width' of 2D model created by projecting original |
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35 | // 3D model onto plane defined by axes.x vector. Fields sizes.z and axes.z destribes 'height' of |
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36 | // model. Axes are perpendicular to each other. Parameter density describes minimal number of |
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37 | // points created for each unit of length. It means, that for each square unit of surface area |
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38 | // of parts of model, at least density^2 points will be created. |
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39 | ModelGeometryInfo::findSizesAndAxesOfModel(model, density, sizes, axes); |
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40 | |
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41 | |
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42 | // Creating output variables. |
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43 | Pt3D lowerBoundary, upperBoundary; |
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44 | // Calculationg bounding box of model. Result is stored in variables lowerBoundary and |
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45 | // upperBoundary. |
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46 | ModelGeometryInfo::boundingBox(model, lowerBoundary, upperBoundary); |
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47 | |
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48 | // PRINTING RESULT ----------------------------------------------------------------------------- |
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49 | |
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50 | // Creating and preparing result Model object. |
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51 | Model resultModel; |
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52 | resultModel.open(); |
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53 | GeometryTestUtils::addAnchorToModel(resultModel); |
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54 | |
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55 | // Adding bounding markers of bounding box apices. |
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56 | for (Octants::Octant o = Octants::FIRST; o < Octants::NUMBER; o = Octants::Octant(o+1)) |
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57 | { |
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58 | Pt3D apex; |
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59 | apex.x = Octants::isPositiveX(o) ? upperBoundary.x : lowerBoundary.x; |
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60 | apex.y = Octants::isPositiveY(o) ? upperBoundary.y : lowerBoundary.y; |
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61 | apex.z = Octants::isPositiveZ(o) ? upperBoundary.z : lowerBoundary.z; |
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62 | GeometryTestUtils::addPointToModel(apex, resultModel); |
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63 | } |
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64 | |
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65 | // Adding markers of axes (intersection of axes is in the center of bounding box). |
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66 | Pt3D intersection = (lowerBoundary + upperBoundary) * 0.5; |
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67 | GeometryTestUtils::addAxesToModel(sizes, axes, intersection, resultModel); |
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68 | |
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69 | // Merging with original model. |
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70 | GeometryTestUtils::mergeModels(resultModel, model); |
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71 | |
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72 | // Finishing result Model and printing its genotype. |
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73 | resultModel.close(); |
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74 | puts((const char*)resultModel.getF0Geno().toString()); |
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75 | |
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76 | // Printing calculated values. |
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77 | printf("# volume=%f\n", volume); |
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78 | printf("# area=%f\n", area); |
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79 | printf("# sizes.x=%f sizes.y=%f sizes.z=%f\n", sizes.x, sizes.y, sizes.z); |
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80 | printf("# axes.x=(%f, %f, %f)\n", axes.x.x, axes.x.y, axes.x.z); |
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81 | printf("# axes.y=(%f, %f, %f)\n", axes.y.x, axes.y.y, axes.y.z); |
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82 | printf("# axes.z=(%f, %f, %f)\n", axes.z.x, axes.z.y, axes.z.z); |
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83 | printf("# box.x=[%f, %f]\n", lowerBoundary.x, upperBoundary.x); |
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84 | printf("# box.y=[%f, %f]\n", lowerBoundary.y, upperBoundary.y); |
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85 | printf("# box.z=[%f, %f]\n", lowerBoundary.z, upperBoundary.z); |
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86 | } |
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87 | |
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88 | int main(int argc, char *argv[]) |
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89 | { |
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90 | return GeometryTestUtils::execute( |
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91 | "Calculates approximate values of surface area, volume, sizes and axes of model. Adds to " |
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92 | "model markers of bounding box apices and axes.", argc, argv, test); |
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93 | } |
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