//-----------------------------------------------------------------------------// Demonstrates the CVIOGL plot attribute OGLATTR_COPY_ORIGINAL_DATA value // of FALSE to force the control to reference the users plot data when calling// OGLRefreshGraph.//-----------------------------------------------------------------------------//-----------------------------------------------------------------------------// Include necessary headers                                                 //-----------------------------------------------------------------------------#include <cvirte.h>     #include <analysis.h>#include <ansi_c.h>#include <userint.h>#include "cviogl.h"#include "oglsim.h"//-----------------------------------------------------------------------------// Define useful constants//-----------------------------------------------------------------------------#define FUNC_1  2#define FUNC_2  3#define FUNC_3  4#define FUNC_4  5#define PI      3.14159//-----------------------------------------------------------------------------// Define numerics datatype to hold variables describing ploted waveform//-----------------------------------------------------------------------------typedef struct {    double  noiseLevel;    int     function;    double  A;    double  B;    double  dataArray[20][20];} numerics;static numerics myNumerics;       //-----------------------------------------------------------------------------// Define module global variables//-----------------------------------------------------------------------------static int             mainPanel;static int             OGLControlID;static ColorMapEntry   gColorMap[3];static int OGLPlotHandle = 0;//-----------------------------------------------------------------------------// Prototypes//-----------------------------------------------------------------------------int  InitPlot       (void);int  InitOGLControl (void);int  PlotColorScale (void);int  MakeDataArray  (int function, double dataArray[20][20], double A, double B, double noiseLevel);void MakeColorMap   (int lowColor, int medColor, int highColor);//-----------------------------------------------------------------------------// Main//-----------------------------------------------------------------------------int main (int argc, char *argv[]){    int timerEnabled;        // Initialize the RTE if necessary    if (InitCVIRTE (0, argv, 0) == 0)            return -1;                // Load the main program panel    if ((mainPanel = LoadPanel (0, "oglsim.uir", MAINPNL)) < 0)        return -1;            // Setup default timer value    GetCtrlAttribute (mainPanel, MAINPNL_PLOTTIMER, ATTR_ENABLED, &timerEnabled);    SetCtrlVal (mainPanel, MAINPNL_STARTPLOT, timerEnabled);        // Initialize the OGL control    if (InitOGLControl () != 0)        return -1;            // Initialize the main UIR    if (InitPlot () != 0)        return -1;            // Display the program panel and run the user interface    DisplayPanel (mainPanel);    RunUserInterface ();        return 0;}//-----------------------------------------------------------------------------// InitPlot:  Initializes the color scale and sets the default plotting function;//            returns 0 if successful//-----------------------------------------------------------------------------int InitPlot (){    // Make the color map with the default values    MakeColorMap (VAL_BLACK, VAL_BLUE, VAL_RED);        // Plot the color scale next to 3D plot to reflect this color map    if (PlotColorScale() != 0)    {        MessagePopup ("Initialization Error", "Could not initialize color scale.");        return -1;    }    // Set the plotting function to the default value    ChangeFuncCB (mainPanel, 0, EVENT_VAL_CHANGED, 0, 0, 0);        // Set the noise level to the default value    NoiseLevelCB (mainPanel, 0, EVENT_VAL_CHANGED, 0, 0, 0);        // Create the plotdata for the first time, we will use     MakeDataArray (FUNC_1, myNumerics.dataArray,                   myNumerics.A, myNumerics.B,                   myNumerics.noiseLevel);    OGLPlotHandle = OGLPlot3DUniform (mainPanel, OGLControlID,                   myNumerics.dataArray, 20,                   20, OGLVAL_DOUBLE, 1.0, 0.0, 1.0, 0.0);                       // Set the plot attributes    OGLSetPlotColorScheme (mainPanel, OGLControlID, OGLPlotHandle,                           OGLVAL_COLORMAP, gColorMap, 3, VAL_YELLOW, 1,                           NULL, 0, 0);    OGLSetPlotAttribute(mainPanel, OGLControlID,OGLPlotHandle,                        OGLATTR_SURFACE_STYLE,OGLVAL_SMOOTH);    OGLSetPlotAttribute(mainPanel, OGLControlID,OGLPlotHandle,                        OGLATTR_SURFACE_SPECULAR_FACTOR,1.0);    OGLSetPlotAttribute(mainPanel, OGLControlID,OGLPlotHandle,                        OGLATTR_SURFACE_SHININESS,50);    OGLSetPlotAttribute(mainPanel, OGLControlID,OGLPlotHandle,                        OGLATTR_WIRE_STYLE,OGLVAL_NONE);    return 0;}       //-----------------------------------------------------------------------------// InitOGLControl:  Initializes the OGL control attributes;//                  returns 0 if successful//-----------------------------------------------------------------------------int InitOGLControl (void){    // Create the OGL Control from the picture control in the uir    if ((OGLControlID = OGLConvertCtrl (mainPanel, MAINPNL_OGLPORT)) <= 0)        return -1;            // Set up the lighting attributes    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_LIGHTING_ENABLE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_LIGHT_SELECT, 1);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_LIGHT_ENABLE, 1);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_LIGHT_DISTANCE, 3.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_PROJECTION_TYPE,OGLVAL_PERSPECTIVE);        // Set up the Z axis        OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZNAME_VISIBLE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZNAME, "Z");    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZNAME_COLOR, OGLVAL_YELLOW);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZNAME_POINT_SIZE, 17);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZLABEL_VISIBLE, 1);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZLABEL_POINT_SIZE, 16);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZDIVISIONS, 5);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZAXIS_SCALING, OGLVAL_MANUAL);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZMIN, -10.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ZMAX, 10.0);        // Set up the X axis    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XNAME, "X");       OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XNAME_VISIBLE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XNAME_POINT_SIZE, 17);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XNAME_COLOR, OGLVAL_YELLOW);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XLABEL_POINT_SIZE, 16);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XLABEL_VISIBLE, OGLVAL_TRUE);        // Set up the Y axis    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_YNAME, "Y");       OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_YNAME_VISIBLE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_YNAME_POINT_SIZE, 17);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_YNAME_COLOR, OGLVAL_YELLOW);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_YLABEL_VISIBLE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_YLABEL_POINT_SIZE, 16);        // Set up the grid planes    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_YZ_GRID_VISIBLE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_YZ_GRID_COLOR, OGLVAL_LT_GRAY);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XY_GRID_VISIBLE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XY_GRID_COLOR, OGLVAL_LT_GRAY);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XZ_GRID_VISIBLE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_XZ_GRID_COLOR, OGLVAL_LT_GRAY);        // Set up the plot area    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_PLOTAREA_ZSTART, -1.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_PLOTAREA_ZSIZE, 2.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_PLOTAREA_XSTART, -1.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_PLOTAREA_XSIZE, 2.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_PLOTAREA_YSTART, -1.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_PLOTAREA_YSIZE, 2.0);        // Set up the default view position    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_VIEW_AUTO_DISTANCE, OGLVAL_FALSE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_VIEW_DISTANCE, 4.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_VIEW_LATITUDE, 66.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_VIEW_LONGITUDE, 64.0);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_VIEW_CENTERZ, -0.35);        // Set up the control for Refresh operation (keeping a pointer only)    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_COPY_ORIGINAL_DATA, OGLVAL_FALSE);        // Define user interaction    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ENABLE_PAN_ZOOM_ROTATE, OGLVAL_TRUE);    OGLSetCtrlAttribute (mainPanel, OGLControlID, OGLATTR_ENABLE_PROPERTY_POPUP,  OGLVAL_TRUE);    return 0;}//-----------------------------------------------------------------------------// MakeColorMap:  Builds the global three-color color map array gColorMap//                with the passed-in colors//-----------------------------------------------------------------------------void MakeColorMap (int lowColor, int medColor, int highColor){    gColorMap[0].dataValue.valDouble = -10.0;    gColorMap[0].color = lowColor;    gColorMap[1].dataValue.valDouble = 0.0;    gColorMap[1].color = medColor;    gColorMap[2].dataValue.valDouble = 10.0;    gColorMap[2].color = highColor;}//-----------------------------------------------------------------------------// PlotColorScale:  Builds a temporary array spanning the range of Z values and //                  performs an interpolated intensity plot to display the scale; //                  returns 0 if successful              //-----------------------------------------------------------------------------int PlotColorScale (void){    double scaleArray[3][2];        // Build an array that utilizes the full Z scale (-10<->10)    scaleArray[0][0] = -10.0;    scaleArray[0][1] = -10.0;    scaleArray[1][0] = 0.0;    scaleArray[1][1] = 0.0;    scaleArray[2][0] = 10.0;    scaleArray[2][1] = 10.0;    // Plot this array on the color scale graph control and return the handle    if (PlotIntensity (mainPanel, MAINPNL_COLORSCALE, scaleArray, 2, 3, VAL_DOUBLE, gColorMap,                       VAL_BLACK, 3, 1, 1) <= 0)        return -1;    return 0;   }//-----------------------------------------------------------------------------// int MakeDataArray (int, double**, double, double, double):  Updates the 2D array of data that//                                                             we will plot later;//                                                             returns 0 if successful//-----------------------------------------------------------------------------int MakeDataArray (int function, double dataArray[20][20], double A, double B, double noiseLevel){    double noiseArray[20];