#include <glwidget.h>

Public Member Functions
	GLWidget (QWidget parent, const char name)
virtual void	draw ()
	GLWidget::draw.
virtual void	draw_border (float x_min, float x_max, float y_min, float y_max, float z_min, float z_max)
	GLWidget::draw_border.
virtual void	init ()
	GLWidget::init.

Data Fields
float	redAmbient
float	greenAmbient
float	blueAmbient
float	redModel
float	greenModel
float	blueModel
int	shininess
float	x_min
float	x_max
float	y_min
float	y_max
float	z_min
float	z_max
int	drawer
QColor	backroundColor
QVector< float >	coordiantes [6]
QVector< float >	stl_data [3]
QVector< float >	sampled_data [3]
int	point_size

Detailed Description

Definition at line 7 of file glwidget.h.

Constructor & Destructor Documentation

GLWidget::GLWidget	(	QWidget *	parent,
		const char *	name
	)

Definition at line 29 of file glwidget.cpp.

    : QGLViewer(parent, name)
    #else
GLWidget::GLWidget(QWidget *parent)
    : QGLViewer(parent)
    #endif
{
}

Member Function Documentation

void GLWidget::draw ( )

virtual

GLWidget::draw.

Draws the points, triangles and the smapled data

Definition at line 66 of file glwidget.cpp.

References blueAmbient, blueModel, coordiantes, draw_border(), drawer, greenAmbient, greenModel, point_size, redAmbient, redModel, sampled_data, shininess, stl_data, x_max, x_min, y_max, y_min, z_max, and z_min.

{
    //to draw point data
    if ((coordiantes[0].size() > 0)&&(drawer == 1)){
        glPointSize((float)point_size);
        glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        glAlphaFunc(GL_GREATER, 0.5);
        glEnable(GL_DEPTH_TEST);
        GLfloat white[] = {redAmbient, greenAmbient, blueAmbient, 1.0f};
        glMaterialfv(GL_FRONT, GL_SPECULAR, white);
        GLfloat shininess1[] = {shininess};
        glMaterialfv(GL_FRONT, GL_SHININESS, shininess1);
        glBegin(GL_POINTS);
        for (int i = 0; i < coordiantes[0].size(); i++){
            glColor3f(redModel,greenModel,blueModel);
            glNormal3f((GLfloat)coordiantes[3][i], (GLfloat)coordiantes[4][i],(GLfloat)coordiantes[5][i]);
            glVertex3f((GLfloat)coordiantes[0][i], (GLfloat)coordiantes[1][i],(GLfloat)coordiantes[2][i]);
        }
        glEnd();
        if (coordiantes[0].size() != 0) draw_border(x_min, x_max, y_min, y_max, z_min, z_max);
        glDisable(GL_DEPTH_TEST);
    }
    //to draw stl data
    if ((stl_data[0].size() > 0)&&(drawer == 1)){
        glEnable(GL_DEPTH_TEST);
        glPolygonMode(GL_FRONT_AND_BACK, GL_TRIANGLES );
        GLfloat white[] = {redAmbient, greenAmbient, blueAmbient, 1.0f};
        glMaterialfv(GL_FRONT, GL_SPECULAR, white);
        GLfloat shininess1[] = {shininess};
        glMaterialfv(GL_FRONT, GL_SHININESS, shininess1);
        for (int i = 0; i < stl_data[0].size()-4; i = i+4){
            glBegin(GL_TRIANGLES);
            glNormal3f((GLfloat)stl_data[0][i], (GLfloat)stl_data[1][i], (GLfloat)stl_data[2][i]);
            glColor3f(redModel,greenModel,blueModel);
            glVertex3f((GLfloat)stl_data[0][i+1], (GLfloat)stl_data[1][i+1], (GLfloat)stl_data[2][i+1]);
            glVertex3f((GLfloat)stl_data[0][i+2], (GLfloat)stl_data[1][i+2], (GLfloat)stl_data[2][i+2]);
            glVertex3f((GLfloat)stl_data[0][i+3], (GLfloat)stl_data[1][i+3], (GLfloat)stl_data[2][i+3]);
            glEnd();
        }
        if (stl_data[0].size() != 0) draw_border(x_min, x_max, y_min, y_max, z_min, z_max);
        glDisable(GL_DEPTH_TEST);
    }
    //to draw the sampled data
    if ((sampled_data[0].size() > 0)&&(drawer == 2)){
        glPointSize((float)point_size);
        glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        glAlphaFunc(GL_GREATER, 0.5);
        glEnable(GL_DEPTH_TEST);
        GLfloat white[] = {redAmbient, greenAmbient, blueAmbient, 1.0f};
        glMaterialfv(GL_FRONT, GL_SPECULAR, white);
        GLfloat shininess1[] = {shininess};
        glMaterialfv(GL_FRONT, GL_SHININESS, shininess1);
        glBegin(GL_POINTS);
        for (int i = 0; i < sampled_data[0].size(); i++){
            glColor3f(redModel,greenModel,blueModel);
            glVertex3f((GLfloat)sampled_data[0][i], (GLfloat)sampled_data[1][i],(GLfloat)sampled_data[2][i]);
        }
        glEnd();
        if (sampled_data[0].size() != 0) draw_border(x_min, x_max, y_min, y_max, z_min, z_max);
        glDisable(GL_DEPTH_TEST);
    }
}

void GLWidget::draw_border	(	float	x_min,
		float	x_max,
		float	y_min,
		float	y_max,
		float	z_min,
		float	z_max
	)

virtual

GLWidget::draw_border.

Draws the bounding box, which represents the computational domain

Parameters:

x_min
x_max
y_min
y_max
z_min
z_max

Definition at line 169 of file glwidget.cpp.

References blueModel, greenModel, and redModel.

Referenced by draw().

                                                                                                      {
    glEnable(GL_LINE_SMOOTH);
    glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
    glLineWidth(1.0f);
    glColor3f(redModel,greenModel,blueModel);
    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE );
    glEnable(GL_DEPTH_TEST);
    glBegin(GL_QUADS);
    glVertex3f(x_max, y_max, z_max);
    glVertex3f(x_min, y_max, z_max);
    glVertex3f(x_min, y_min, z_max);
    glVertex3f(x_max, y_min, z_max);
    glVertex3f(x_max, y_max, z_min);
    glVertex3f(x_min, y_max, z_min);
    glVertex3f(x_min, y_min, z_min);
    glVertex3f(x_max, y_min, z_min);
    glVertex3f(x_max, y_max, z_max);
    glVertex3f(x_max, y_min, z_max);
    glVertex3f(x_max, y_min, z_min);
    glVertex3f(x_max, y_max, z_min);
    glVertex3f(x_min, y_max, z_max);
    glVertex3f(x_min, y_min, z_max);
    glVertex3f(x_min, y_min, z_min);
    glVertex3f(x_min, y_max, z_min);
    glVertex3f(x_max, y_max, z_max);
    glVertex3f(x_min, y_max, z_max);
    glVertex3f(x_min, y_max, z_min);
    glVertex3f(x_max, y_max, z_min);
    glVertex3f(x_max, y_min, z_max);
    glVertex3f(x_min, y_min, z_max);
    glVertex3f(x_min, y_min, z_min);
    glVertex3f(x_max, y_min, z_min);
    glEnd();
    glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
    glDisable(GL_LINE_SMOOTH);
    glDisable(GL_DEPTH_TEST);
}

void GLWidget::init ( )

virtual

GLWidget::init.

Sets basic stuff for the GL viewer

Definition at line 44 of file glwidget.cpp.

References backroundColor, blueAmbient, greenAmbient, and redAmbient.

{
    setSceneRadius(10.0);
    setFPSIsDisplayed(true);
    setBackgroundColor(backroundColor);
    //Add ambient light
    GLfloat ambientColor[] = {redAmbient, greenAmbient, blueAmbient}; //Color (0.2, 0.2, 0.2)
    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambientColor);
    // Light setup
    glEnable(GL_LIGHTING); //Enable lighting
    glEnable(GL_NORMALIZE); //Have OpenGL automatically normalize our normals
    glShadeModel(GL_SMOOTH); //Enable smooth shading
}

Field Documentation

QColor GLWidget::backroundColor

Definition at line 30 of file glwidget.h.

Referenced by init().

float GLWidget::blueAmbient

Definition at line 18 of file glwidget.h.

Referenced by draw(), and init().

float GLWidget::blueModel

Definition at line 22 of file glwidget.h.

Referenced by draw(), and draw_border().

QVector<float> GLWidget::coordiantes[6]

Definition at line 33 of file glwidget.h.

Referenced by draw().

int GLWidget::drawer

Definition at line 28 of file glwidget.h.

Referenced by draw().

float GLWidget::greenAmbient

Definition at line 17 of file glwidget.h.

Referenced by draw(), and init().

float GLWidget::greenModel

Definition at line 21 of file glwidget.h.

Referenced by draw(), and draw_border().

int GLWidget::point_size

Definition at line 39 of file glwidget.h.

Referenced by draw().

float GLWidget::redAmbient

Definition at line 16 of file glwidget.h.

Referenced by draw(), and init().

float GLWidget::redModel

Definition at line 20 of file glwidget.h.

Referenced by draw(), and draw_border().

QVector<float> GLWidget::sampled_data[3]

Definition at line 37 of file glwidget.h.

Referenced by draw().

int GLWidget::shininess

Definition at line 24 of file glwidget.h.

Referenced by draw().

QVector<float> GLWidget::stl_data[3]

Definition at line 35 of file glwidget.h.

Referenced by draw().

float GLWidget::x_max