[89] | 1 | #if defined(_MSC_VER) /* MSVC Compiler */
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| 2 | #pragma warning ( disable : 4786 )
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| 3 | #endif
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| 4 |
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| 5 | #ifndef __DATATYPES_H__
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| 6 | #define __DATATYPES_H__
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| 7 |
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| 8 | #ifdef _DEBUG
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| 9 | #include <fstream>
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| 10 | #endif
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| 11 |
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| 12 | #include <string>
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| 13 |
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| 14 | #include "qwt3d_global.h"
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| 15 |
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| 16 | #if defined(Q_WS_WIN)
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| 17 | #include <windows.h>
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| 18 | #endif
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| 19 |
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| 20 | #ifndef WHEEL_DELTA
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| 21 | #define WHEEL_DELTA 120
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| 22 | #endif
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| 23 |
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| 24 | #include "qwt3d_portability.h"
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| 25 | #include "qwt3d_helper.h"
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| 26 | #include "qwt3d_openglhelper.h"
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| 27 |
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| 28 | //! Common namespace for all QwtPlot3D classes
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| 29 | namespace Qwt3D
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| 30 | {
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| 31 |
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| 32 | const double PI = 3.14159265358979323846264338328;
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| 33 |
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| 34 | //! Plotting style
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| 35 | enum PLOTSTYLE
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| 36 | {
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| 37 | NOPLOT , //!< No visible data
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| 38 | WIREFRAME , //!< Wireframe style
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| 39 | HIDDENLINE , //!< Hidden Line style
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| 40 | FILLED , //!< Color filled polygons w/o edges
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| 41 | FILLEDMESH , //!< Color filled polygons w/ separately colored edges
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| 42 | POINTS , //!< User defined style (used by Enrichments)
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| 43 | USER //!< User defined style (used by Enrichments)
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| 44 | };
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| 45 |
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| 46 | //! Shading style
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| 47 | enum SHADINGSTYLE
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| 48 | {
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| 49 | FLAT, //!< Flat shading (OpenGL)
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| 50 | GOURAUD //!< Gouraud Shading (OpenGL)
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| 51 | };
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| 52 |
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| 53 | //! Style of Coordinate system
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| 54 | enum COORDSTYLE
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| 55 | {
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| 56 | NOCOORD, //!< Coordinate system is not visible
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| 57 | BOX, //!< Boxed
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| 58 | FRAME //!< Frame - 3 visible axes
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| 59 | };
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| 60 |
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| 61 | //! Different types of axis scales
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| 62 | enum SCALETYPE
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| 63 | {
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| 64 | LINEARSCALE,//!< Linear scaling
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| 65 | LOG10SCALE, //!< Logarithmic scaling (base 10)
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| 66 | USERSCALE //!< User-defined (for extensions)
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| 67 | };
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| 68 |
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| 69 | //! Plotting style for floor data (projections)
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| 70 | enum FLOORSTYLE
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| 71 | {
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| 72 | NOFLOOR, //!< Empty floor
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| 73 | FLOORISO, //!< Isoline projections visible
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| 74 | FLOORDATA //!< Projected polygons visible
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| 75 | };
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| 76 |
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| 77 | //! Mesh type
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| 78 | enum DATATYPE
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| 79 | {
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| 80 | GRID, //!< Rectangular grid
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| 81 | POLYGON //!< Convex polygon
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| 82 | };
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| 83 |
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| 84 | //! The 12 axes
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| 85 | /**
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| 86 | \image html axes.png
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| 87 | */
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| 88 | enum AXIS
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| 89 | {
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| 90 | X1 = 0, //!< 1st x-axis
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| 91 | X2 = 3, //!< 2nd x-axis
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| 92 | X3 = 4, //!< 3th x-axis
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| 93 | X4 = 5, //!< 4th x-axis
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| 94 | Y1 = 1, //!< 1st y-axis
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| 95 | Y2 = 8, //!< 2nd y-axis
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| 96 | Y3 = 7, //!< 3th y-axis
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| 97 | Y4 = 6, //!< 4th y-axis
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| 98 | Z1 = 2, //!< 1st z-axis
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| 99 | Z2 = 9, //!< 2nd z-axis
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| 100 | Z3 = 11, //!< 3th z-axis
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| 101 | Z4 = 10 //!< 4th z-axis
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| 102 | };
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| 103 |
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| 104 | //! The 6 sides
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| 105 | enum SIDE
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| 106 | {
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| 107 | NOSIDEGRID = 0,
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| 108 | LEFT = 1 << 0,
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| 109 | RIGHT = 1 << 1,
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| 110 | CEIL = 1 << 2,
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| 111 | FLOOR = 1 << 3,
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| 112 | FRONT = 1 << 4,
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| 113 | BACK = 1 << 5
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| 114 | };
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| 115 |
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| 116 | //! Possible anchor points for drawing operations
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| 117 | enum ANCHOR
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| 118 | {
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| 119 | BottomLeft,
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| 120 | BottomRight,
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| 121 | BottomCenter,
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| 122 | TopLeft,
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| 123 | TopRight,
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| 124 | TopCenter,
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| 125 | CenterLeft,
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| 126 | CenterRight,
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| 127 | Center
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| 128 | };
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| 129 |
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| 130 |
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| 131 | //! Tuple <tt>[x,y]</tt>
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| 132 | struct QWT3D_EXPORT Tuple
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| 133 | {
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| 134 | Tuple() : x(0), y(0) {} //!< Calls Tuple(0,0)
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| 135 | Tuple(double X, double Y) : x(X), y(Y) {} //!< Initialize Tuple with x and y
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| 136 | //! Tuple coordinates
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| 137 | double x,y;
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| 138 | };
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| 139 |
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| 140 | //! Triple <tt>[x,y,z]</tt>
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| 141 | /**
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| 142 | Consider Triples also as vectors in R^3
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| 143 | */
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| 144 | struct QWT3D_EXPORT Triple
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| 145 | {
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| 146 | //! Initialize Triple with x,y and z
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| 147 | explicit Triple(double xv = 0,double yv = 0,double zv = 0)
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| 148 | : x(xv), y(yv), z(zv)
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| 149 | {
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| 150 | }
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| 151 |
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| 152 | #ifndef QWT3D_NOT_FOR_DOXYGEN
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| 153 | #ifdef Q_OS_IRIX
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| 154 | Triple(const Triple& val)
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| 155 | {
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| 156 | if (&val == this)
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| 157 | return;
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| 158 | x = val.x;
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| 159 | y = val.y;
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| 160 | z = val.z;
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| 161 | }
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| 162 | const Triple& operator=(const Triple& val)
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| 163 | {
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| 164 | if (&val == this)
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| 165 | return *this;
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| 166 | x = val.x;
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| 167 | y = val.y;
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| 168 | z = val.z;
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| 169 | return *this;
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| 170 | }
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| 171 | #endif
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| 172 | #endif // QWT3D_NOT_FOR_DOXYGEN
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| 173 |
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| 174 | //! Triple coordinates
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| 175 | double x,y,z;
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| 176 |
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| 177 | Triple& operator+=(Triple t)
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| 178 | {
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| 179 | x += t.x;
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| 180 | y += t.y;
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| 181 | z += t.z;
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| 182 |
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| 183 | return *this;
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| 184 | }
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| 185 |
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| 186 | Triple& operator-=(Triple t)
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| 187 | {
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| 188 | x -= t.x;
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| 189 | y -= t.y;
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| 190 | z -= t.z;
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| 191 |
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| 192 | return *this;
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| 193 | }
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| 194 | Triple& operator*=(double d)
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| 195 | {
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| 196 | x *= d;
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| 197 | y *= d;
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| 198 | z *= d;
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| 199 |
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| 200 | return *this;
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| 201 | }
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| 202 | Triple& operator/=(double d)
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| 203 | {
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| 204 | x /= d;
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| 205 | y /= d;
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| 206 | z /= d;
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| 207 |
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| 208 | return *this;
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| 209 | }
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| 210 | Triple& operator*=(Triple t) // scale
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| 211 | {
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| 212 | x *= t.x;
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| 213 | y *= t.y;
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| 214 | z *= t.z;
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| 215 |
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| 216 | return *this;
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| 217 | }
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| 218 |
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| 219 | bool operator!=(Triple t) const
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| 220 | {
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| 221 | return !isPracticallyZero(x,t.x) || !isPracticallyZero(y,t.y) || !isPracticallyZero(z,t.z);
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| 222 | }
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| 223 |
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| 224 | bool operator==(Triple t) const
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| 225 | {
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| 226 | return !operator!=(t);
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| 227 | }
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| 228 |
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| 229 | double length() const
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| 230 | {
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| 231 | double l2 = x*x + y*y + z*z;
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| 232 | return (isPracticallyZero(l2)) ? 0 :sqrt(l2);
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| 233 | }
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| 234 |
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| 235 | void normalize()
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| 236 | {
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| 237 | double l = length();
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| 238 | if (l)
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| 239 | *this /= l;
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| 240 | }
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| 241 | };
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| 242 |
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| 243 | inline const Triple operator+(const Triple& t, const Triple& t2)
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| 244 | {
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| 245 | return Triple(t) += t2;
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| 246 | }
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| 247 | inline const Triple operator-(const Triple& t, const Triple& t2)
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| 248 | {
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| 249 | return Triple(t) -= t2;
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| 250 | }
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| 251 | inline const Triple operator*(double d, const Triple& t)
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| 252 | {
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| 253 | return Triple(t) *= d;
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| 254 | }
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| 255 | inline const Triple operator*(const Triple& t, double d)
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| 256 | {
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| 257 | return Triple(t) *= d;
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| 258 | }
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| 259 | inline const Triple operator/(double d, const Triple& t)
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| 260 | {
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| 261 | return Triple(t) /= d;
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| 262 | }
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| 263 | inline const Triple operator/(const Triple& t, double d)
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| 264 | {
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| 265 | return Triple(t) /= d;
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| 266 | }
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| 267 | inline const Triple operator*(const Triple& t, const Triple& t2)
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| 268 | {
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| 269 | return Triple(t) *= t2;
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| 270 | }
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| 271 |
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| 272 | //! Parallelepiped spanned by 2 Triples
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| 273 | /**
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| 274 | Please use \em normalized Parallelepipeds:\n\n
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| 275 | minVertex.x <= maxVertex.x\n
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| 276 | minVertex.y <= maxVertex.y\n
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| 277 | minVertex.z <= maxVertex.z\n
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| 278 | */
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| 279 | struct QWT3D_EXPORT ParallelEpiped
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| 280 | {
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| 281 | //! Construct non-initialized Parallelepiped
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| 282 | ParallelEpiped()
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| 283 | {
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| 284 | }
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| 285 |
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| 286 | //! Construct initialized Parallelepiped
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| 287 | /**
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| 288 | minv -> minVertex\n
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| 289 | maxv -> maxVertex\n
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| 290 | */
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| 291 | ParallelEpiped(Triple minv, Triple maxv)
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| 292 | : minVertex(minv), maxVertex(maxv)
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| 293 | {
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| 294 | }
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| 295 |
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| 296 | Triple minVertex;
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| 297 | Triple maxVertex;
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| 298 | };
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| 299 |
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| 300 | //! Free vector
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| 301 | /**
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| 302 | FreeVectors represent objects like normal vectors and other vector fields inside R^3
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| 303 | */
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| 304 | struct QWT3D_EXPORT FreeVector
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| 305 | {
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| 306 | FreeVector()
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| 307 | {
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| 308 | }
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| 309 |
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| 310 | //! Construct initialized vector
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| 311 | /**
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| 312 | b -> base\n
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| 313 | e -> top\n
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| 314 | */
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| 315 | FreeVector(Triple b, Triple t)
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| 316 | : base(b), top(t)
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| 317 | {
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| 318 | }
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| 319 |
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| 320 | Triple base;
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| 321 | Triple top;
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| 322 | };
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| 323 |
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| 324 | //! A free vector field in R^3
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| 325 | typedef std::vector<FreeVector> FreeVectorField;
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| 326 |
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| 327 | //! A point field in R^3
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| 328 | typedef std::vector<Triple> TripleField;
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| 329 | //! Holds indices in a TripleField interpreted as counterclockwise node numbering for a convex polygon
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| 330 | typedef std::vector<unsigned> Cell;
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| 331 | //! Vector of convex polygons. You need a TripleField as base for the node data
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| 332 | typedef std::vector<Cell> CellField;
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| 333 | //! Returns the sum over the sizes of the single cells
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| 334 | unsigned tesselationSize(Qwt3D::CellField const& t);
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| 335 |
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| 336 | //! Red-Green-Blue-Alpha value
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| 337 | struct QWT3D_EXPORT RGBA
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| 338 | {
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| 339 | RGBA()
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| 340 | : r(0), g(0), b(0), a(1)
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| 341 | {}
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| 342 | RGBA(double rr, double gg, double bb, double aa = 1)
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| 343 | : r(rr), g(gg), b(bb), a(aa)
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| 344 | {}
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| 345 | double r,g,b,a;
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| 346 | };
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| 347 |
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| 348 | //! A Color field
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| 349 | typedef std::vector<RGBA> ColorVector;
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| 350 |
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| 351 | #ifndef QWT3D_NOT_FOR_DOXYGEN
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| 352 |
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| 353 | QWT3D_EXPORT QColor GL2Qt(GLdouble r, GLdouble g, GLdouble b); //!< RGB -> QColor
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| 354 | QWT3D_EXPORT Qwt3D::RGBA Qt2GL(QColor col); //!< QColor -> RGBA
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| 355 |
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| 356 | typedef double *Vertex;
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| 357 | typedef std::vector<Vertex> DataRow;
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| 358 | typedef std::vector<DataRow> DataMatrix;
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| 359 |
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| 360 |
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| 361 | class Data
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| 362 | {
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| 363 | public:
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| 364 | Qwt3D::DATATYPE datatype;
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| 365 | Data() {datatype= Qwt3D::POLYGON;}
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| 366 | virtual ~Data() {}
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| 367 | virtual void clear() = 0; //!< destroy content
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| 368 | virtual bool empty() const = 0; //!< no data
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| 369 | void setHull(Qwt3D::ParallelEpiped const& h) {hull_p = h;}
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| 370 | Qwt3D::ParallelEpiped const& hull() const {return hull_p;}
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| 371 |
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| 372 | protected:
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| 373 | Qwt3D::ParallelEpiped hull_p;
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| 374 | };
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| 375 |
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| 376 |
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| 377 | //! Implements a matrix of z-Values with limit access functions
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| 378 | class GridData : public Data
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| 379 | {
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| 380 | public:
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| 381 | GridData();
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| 382 | GridData(unsigned int columns, unsigned int rows);//!< see setSize()
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| 383 | ~GridData() { clear();}
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| 384 |
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| 385 | int columns() const;
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| 386 | int rows() const;
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| 387 |
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| 388 | void clear(); //!< destroy content
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| 389 | bool empty() const { return vertices.empty();}
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| 390 | void setSize(unsigned int columns, unsigned int rows); //!< destroys content and set new size, elements are uninitialized
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| 391 |
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| 392 | DataMatrix vertices; //!< mesh vertices
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| 393 | DataMatrix normals; //!< mesh normals
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| 394 | void setPeriodic(bool u, bool v) {uperiodic_ = u; vperiodic_ = v;}
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| 395 | bool uperiodic() const {return uperiodic_;}
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| 396 | bool vperiodic() const {return vperiodic_;}
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| 397 |
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| 398 | private:
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| 399 | bool uperiodic_, vperiodic_;
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| 400 | };
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| 401 |
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| 402 |
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| 403 | //! Implements a graph-like cell structure with limit access functions
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| 404 | class CellData : public Data
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| 405 | {
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| 406 | public:
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| 407 | CellData() {datatype=Qwt3D::POLYGON;}
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| 408 | ~CellData() { clear();}
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| 409 |
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| 410 | void clear(); //!< destroy content
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| 411 | bool empty() const { return cells.empty();}
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| 412 |
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| 413 | Triple const& operator()(unsigned cellnumber, unsigned vertexnumber);
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| 414 |
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| 415 | CellField cells; //!< polygon/cell mesh
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| 416 | TripleField nodes;
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| 417 | TripleField normals; //!< mesh normals
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| 418 | };
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| 419 |
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| 420 | inline Triple normalizedcross(Triple const& u, Triple const& v)
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| 421 | {
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| 422 | Triple n;
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| 423 |
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| 424 | /* compute the cross product (u x v for right-handed [ccw]) */
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| 425 | n.x = u.y * v.z - u.z * v.y;
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| 426 | n.y = u.z * v.x - u.x * v.z;
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| 427 | n.z = u.x * v.y - u.y * v.x;
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| 428 |
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| 429 | /* normalize */
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| 430 | double l = n.length();
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| 431 | if (l)
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| 432 | {
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| 433 | n /= l;
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| 434 | }
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| 435 | else
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| 436 | {
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| 437 | n = Triple(0,0,0);
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| 438 | }
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| 439 |
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| 440 | return n;
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| 441 | }
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| 442 |
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| 443 | inline double dotProduct(Triple const& u, Triple const& v)
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| 444 | {
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| 445 | return u.x*v.x + u.y*v.y + u.z*v.z;
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| 446 | }
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| 447 |
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| 448 | void convexhull2d( std::vector<unsigned>& idx, const std::vector<Qwt3D::Tuple>& src );
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| 449 |
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| 450 |
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| 451 | #endif // QWT3D_NOT_FOR_DOXYGEN
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| 452 |
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| 453 | } // ns
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| 454 |
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| 455 | #endif
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