[776] | 1 | #ifndef _HEIGHT_MAP_H_ |
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| 2 | #define _HEIGHT_MAP_H_ |
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| 3 | |
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| 4 | #include <Cg/cgGL.h> |
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| 5 | #include <Cg/cg.h> |
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| 6 | #include <R2/graphics/R2Geometry.h> |
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| 7 | #include "TransferFunction.h" |
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| 8 | #include "NvShader.h" |
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| 9 | #include "Vector3.h" |
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[838] | 10 | #include <RenderContext.h> |
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[929] | 11 | #include "AxisRange.h" |
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[776] | 12 | |
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[838] | 13 | namespace graphics { |
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[934] | 14 | class RenderContext; |
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| 15 | } |
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[838] | 16 | |
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[820] | 17 | /** |
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| 18 | *@class HeightMap |
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| 19 | *@brief Create a surface from height map and line contour of the generated surface |
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| 20 | */ |
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[776] | 21 | class HeightMap { |
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[835] | 22 | unsigned int _vertexBufferObjectID; |
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| 23 | unsigned int _textureBufferObjectID; |
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| 24 | |
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| 25 | int _vertexCount; |
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| 26 | CGparameter _tf; |
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| 27 | R2Geometry* _contour; |
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[1000] | 28 | R2Geometry* _topContour; |
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[835] | 29 | TransferFunction* _colorMap; |
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| 30 | NvShader* _shader; |
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| 31 | int* _indexBuffer; |
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| 32 | int _indexCount; |
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[776] | 33 | Vector3 _contourColor; |
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[835] | 34 | |
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| 35 | bool _contourVisible; |
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[1000] | 36 | bool _topContourVisible; |
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[835] | 37 | bool _visible; |
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| 38 | |
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[776] | 39 | Vector3 _scale; |
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[837] | 40 | Vector3 _centerPoint; |
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[776] | 41 | |
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| 42 | public : |
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[932] | 43 | AxisRange xAxis, yAxis, zAxis, wAxis; |
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| 44 | static bool update_pending; |
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| 45 | static double valueMin, valueMax; |
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| 46 | |
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[820] | 47 | /** |
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| 48 | *@brief Constructor |
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| 49 | */ |
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[776] | 50 | HeightMap(); |
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[820] | 51 | /** |
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| 52 | *@brief Destructor |
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| 53 | */ |
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[776] | 54 | ~HeightMap(); |
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| 55 | |
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| 56 | private : |
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[820] | 57 | void createIndexBuffer(int xCount, int zCount, int*& indexBuffer, int& indexCount, float* heights); |
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[776] | 58 | Vector3* createHeightVertices(float startX, float startY, float endX, float endY, int xCount, int yCount, float* height); |
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| 59 | void reset(); |
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| 60 | public : |
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[838] | 61 | void render(graphics::RenderContext* renderContext); |
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[820] | 62 | /** |
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| 63 | *@brief Create a height map with heigh values |
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| 64 | *@param startX a x position of the first height value |
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| 65 | *@param startY a y position of the first height value |
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| 66 | *@param endX a x position of the last height value |
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| 67 | *@param endY a y position of the last height value |
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| 68 | *@param xCount the number of columns of height values |
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| 69 | *@param yCount the number of rows of height values |
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| 70 | *@param height a pointer value adrressing xCount * yCount values of heights |
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| 71 | */ |
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[776] | 72 | void setHeight(float startX, float startY, float endX, float endY, int xCount, int yCount, float* height); |
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[820] | 73 | |
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| 74 | /** |
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| 75 | *@brief Create a height map with a set of points |
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| 76 | *@param xCount the number of columns of height values |
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| 77 | *@param yCount the number of rows of height values |
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| 78 | */ |
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[776] | 79 | void setHeight(int xCount, int yCount, Vector3* heights); |
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[820] | 80 | |
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| 81 | /** |
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[834] | 82 | *@brief Define a color map for color shading of heightmap |
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[820] | 83 | */ |
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[929] | 84 | void setColorMap(TransferFunction* colorMap); |
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[776] | 85 | |
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[820] | 86 | /** |
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[834] | 87 | *@brief Get the color map defined for shading of this heightmap |
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| 88 | */ |
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[929] | 89 | TransferFunction *getColorMap(void) { |
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| 90 | return _colorMap; |
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| 91 | } |
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[834] | 92 | /** |
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[820] | 93 | *@brief Set the visibility of the height map |
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| 94 | */ |
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[929] | 95 | void setVisible(bool visible) { |
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| 96 | _visible = visible; |
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| 97 | } |
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[820] | 98 | |
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| 99 | /** |
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| 100 | *@brief Return the status of the visibility |
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| 101 | */ |
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[929] | 102 | bool isVisible() const { |
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| 103 | return _visible; |
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| 104 | } |
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[820] | 105 | /** |
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| 106 | *@brief Set the visibility of the line contour |
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| 107 | */ |
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[929] | 108 | void setLineContourVisible(bool visible) { |
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| 109 | _contourVisible = visible; |
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| 110 | } |
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[820] | 111 | |
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[1000] | 112 | void setTopLineContourVisible(bool visible) { |
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| 113 | _topContourVisible = visible; |
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| 114 | } |
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| 115 | |
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[820] | 116 | /** |
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| 117 | *@brief Defind the color of the line contour |
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| 118 | */ |
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[929] | 119 | void setLineContourColor(float *rgb) { |
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| 120 | _contourColor.x = rgb[0]; |
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| 121 | _contourColor.y = rgb[1]; |
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| 122 | _contourColor.z = rgb[2]; |
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| 123 | } |
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[776] | 124 | }; |
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| 125 | |
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| 126 | #endif |
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