[Code] Add Mesh Visualisierung
This commit is contained in:
parent
6861ca9707
commit
8c992e539e
4 changed files with 161248 additions and 2 deletions
|
|
@ -19,3 +19,7 @@ add_executable (koordinatensystem template_koordinatensystemUndPunkte.c)
|
|||
target_include_directories(koordinatensystem PRIVATE ${OPENGL_INCLUDE_DIRS} ${GLUT_INCLUDE_DIRS})
|
||||
target_link_libraries(koordinatensystem ${OPENGL_LIBRARIES} ${GLUT_LIBRARY})
|
||||
target_link_libraries(koordinatensystem m) # Math library
|
||||
|
||||
add_executable (mesh template_meshVisualisierung.c)
|
||||
target_include_directories(mesh PRIVATE ${OPENGL_INCLUDE_DIRS} ${GLUT_INCLUDE_DIRS})
|
||||
target_link_libraries(mesh ${OPENGL_LIBRARIES} ${GLUT_LIBRARY})
|
||||
|
|
|
|||
160897
Code/bones.txt
Normal file
160897
Code/bones.txt
Normal file
File diff suppressed because it is too large
Load diff
|
|
@ -3,8 +3,6 @@
|
|||
#include <math.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#pragma warning(disable:4996)
|
||||
|
||||
#define PI 3.14159265358979323846
|
||||
#define PIf 3.14159265358979323846f
|
||||
|
||||
|
|
|
|||
347
Code/template_meshVisualisierung.c
Normal file
347
Code/template_meshVisualisierung.c
Normal file
|
|
@ -0,0 +1,347 @@
|
|||
#include <GL/glut.h>
|
||||
#include <math.h>
|
||||
#include <stdio.h>
|
||||
|
||||
void mouse(int button, int state, int x, int y);
|
||||
void key(unsigned char key, int x, int y);
|
||||
void init(void);
|
||||
void reshape(int, int);
|
||||
void display(void);
|
||||
int main(int, char**);
|
||||
void define_menu(void);
|
||||
void idle(void);
|
||||
void timer(int value);
|
||||
void readcloud(char* filename);
|
||||
void mouseactive(int x, int y);
|
||||
void mouse(int button, int state, int x, int y);
|
||||
|
||||
float cpoints[3 * 60000];
|
||||
float ccolors[3 * 60000];
|
||||
int ccoord[10 * 3 * 60000];
|
||||
int maxcoords = 0;
|
||||
float cpointsmax[3];
|
||||
float cpointsmin[3];
|
||||
int cpoints_n = 0;
|
||||
|
||||
float xoff;
|
||||
float yoff;
|
||||
float zoff;
|
||||
float zoom;
|
||||
int angle1;
|
||||
int angle2;
|
||||
|
||||
const float stepsize = 0.05;
|
||||
const float anglestepsize = 0.01;
|
||||
int displaymodus = 1;
|
||||
int pressedbutton = 0;
|
||||
int startx, starty;
|
||||
int startangle1;
|
||||
int startangle2;
|
||||
float startxoff;
|
||||
float startyoff;
|
||||
float startzoff;
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
readcloud("/home/andre/shares/Bachelor/DHBW_AI_16/4303_Computergraphik_Hopp/Code/bones.txt"); // change this in case the point cloud is saved somewhere else.
|
||||
glutInit(&argc, argv);
|
||||
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH); // Doublebuffer for animation
|
||||
glutInitWindowSize(800, 800);
|
||||
glutInitWindowPosition(400, 100);
|
||||
glutCreateWindow("Mesh Visualization");
|
||||
init();
|
||||
glutMouseFunc(mouse);
|
||||
glutMotionFunc(mouseactive);
|
||||
glutDisplayFunc(display);
|
||||
glutReshapeFunc(reshape);
|
||||
glutKeyboardFunc(key);
|
||||
puts("\n\nSTEUERUNG\nAnzeigemodi:\n");
|
||||
puts("'0' nur Box\n'1' Points, Farbwerte nach Koordinate\n'2' Wireframe, Farbwerte nach Koordinate\n'3' Filled, Farbwerte nach Koordinate");
|
||||
puts("'4' Points, Farbwerte aus Datei\n'5' Wireframe, Farbwerte aus Datei\n'6' Filled, Farbwerte aus Datei\n\n");
|
||||
puts("Transformationen:\n linke Maustaste und x-y-Bewegung -> Rotation\n mittlere Maustaste und y-Richtung -> Zoom (entspricht einer Skalierung)");
|
||||
puts(" rechte Maustaste und x-y-Bewegung -> Translation\n");
|
||||
glutMainLoop();
|
||||
return 0;
|
||||
}
|
||||
|
||||
void displaycloud(int modus)
|
||||
{
|
||||
int i = 0;
|
||||
float range[3];
|
||||
for (i = 0; i < 3; i++)
|
||||
range[i] = cpointsmax[i] - cpointsmin[i];
|
||||
if (modus > 0) {
|
||||
|
||||
if (modus == 1 || modus == 4) { // Display only the vertices
|
||||
//////////////////////
|
||||
// TODO: set fill mode to render only the vertices
|
||||
|
||||
//////////////////////
|
||||
}
|
||||
if (modus == 2 || modus == 5) { // Display the outlines of the polygons
|
||||
//////////////////////
|
||||
// TODO: set fill mode to render only outlines
|
||||
|
||||
//////////////////////
|
||||
}
|
||||
if (modus == 3 || modus == 6) { // Display filled polygons
|
||||
//////////////////////
|
||||
// TODO: set fill mode to render filled polygons
|
||||
|
||||
/////////////////////
|
||||
}
|
||||
glBegin(GL_TRIANGLES); // using the polygone mode "GL_TRIANGLES"
|
||||
for (i = 0; i < maxcoords + 1; i++) {
|
||||
if (modus > 3) { // Displaying colors saved in the mesh file (node wise definition!)
|
||||
glColor3f(ccolors[ccoord[i] * 3], ccolors[ccoord[i] * 3 + 1], ccolors[ccoord[i] * 3 + 2]);
|
||||
} else { // Displaying interpolated colors according to the x-/y-/z-value of the point coordinates (node wise definition!)
|
||||
glColor3f((cpoints[ccoord[i] * 3] - cpointsmin[0]) / range[0], (cpoints[ccoord[i] * 3 + 1] - cpointsmin[1]) / range[1], (cpoints[ccoord[i] * 3 + 2] - cpointsmin[2]) / range[2]);
|
||||
}
|
||||
|
||||
// Definition of vertices
|
||||
/////////////////////////////////////////////////////////////////////
|
||||
// TODO: definition of vertices.
|
||||
|
||||
// note the data structures: cpoints holds all coordinate components in a 1D array:
|
||||
// node j_x can be accessed via cpoints[j*3]
|
||||
// node j_y can be accessed via cpoints[j*3+1]
|
||||
// node j_z can be accessed via cpoints[j*3+2]
|
||||
|
||||
// note the data structure: ccoord holds the indices into the cpoints array in a 1D array:
|
||||
// one triangle consists of 3 consecutive entries of ccoord, i.e.
|
||||
// first triangle consists of the vertices referenced in ccoord[0], ccords[1], ccoord[2].
|
||||
|
||||
/////////////////////////////////////////////////////////////////////
|
||||
}
|
||||
glEnd();
|
||||
}
|
||||
}
|
||||
void display(void)
|
||||
{
|
||||
glPushMatrix();
|
||||
gluLookAt(0, -zoom, 0, 0, zoom * zoom + 5, 0, 0.0, 0.0, 1.0);
|
||||
glPushMatrix();
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
glColor3f(0.0, 0.0, 0.0);
|
||||
// center and rotate
|
||||
glTranslatef(xoff, yoff, zoff);
|
||||
glRotatef(angle2, 1.0, 0.0, 0.0);
|
||||
glRotatef(angle1, 0.0, 0.0, 1.0);
|
||||
glTranslatef(-(cpointsmax[0] - cpointsmin[0]) / 2 - cpointsmin[0], -(cpointsmax[1] - cpointsmin[1]) / 2 - cpointsmin[1], -(cpointsmax[2] - cpointsmin[2]) / 2 - cpointsmin[2]);
|
||||
//display
|
||||
displaycloud(displaymodus);
|
||||
// draw box
|
||||
glColor3f(0.0, 0.0, 0.0);
|
||||
glBegin(GL_LINE_LOOP);
|
||||
glVertex3f(cpointsmax[0], cpointsmax[1], cpointsmax[2]);
|
||||
glVertex3f(cpointsmin[0], cpointsmax[1], cpointsmax[2]);
|
||||
glVertex3f(cpointsmin[0], cpointsmin[1], cpointsmax[2]);
|
||||
glVertex3f(cpointsmax[0], cpointsmin[1], cpointsmax[2]);
|
||||
glEnd();
|
||||
glBegin(GL_LINE_LOOP);
|
||||
glVertex3f(cpointsmax[0], cpointsmax[1], cpointsmin[2]);
|
||||
glVertex3f(cpointsmin[0], cpointsmax[1], cpointsmin[2]);
|
||||
glVertex3f(cpointsmin[0], cpointsmin[1], cpointsmin[2]);
|
||||
glVertex3f(cpointsmax[0], cpointsmin[1], cpointsmin[2]);
|
||||
glEnd();
|
||||
glBegin(GL_LINES);
|
||||
glVertex3f(cpointsmax[0], cpointsmax[1], cpointsmax[2]);
|
||||
glVertex3f(cpointsmax[0], cpointsmax[1], cpointsmin[2]);
|
||||
glVertex3f(cpointsmin[0], cpointsmax[1], cpointsmax[2]);
|
||||
glVertex3f(cpointsmin[0], cpointsmax[1], cpointsmin[2]);
|
||||
glVertex3f(cpointsmin[0], cpointsmin[1], cpointsmax[2]);
|
||||
glVertex3f(cpointsmin[0], cpointsmin[1], cpointsmin[2]);
|
||||
glVertex3f(cpointsmax[0], cpointsmin[1], cpointsmax[2]);
|
||||
glVertex3f(cpointsmax[0], cpointsmin[1], cpointsmin[2]);
|
||||
glEnd();
|
||||
glPopMatrix();
|
||||
glPopMatrix();
|
||||
glutSwapBuffers(); // Buffer for animation needs to be swapped
|
||||
}
|
||||
|
||||
void init(void)
|
||||
{
|
||||
glClearColor(0.99, 0.99, 0.99, 0.0);
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glLoadIdentity();
|
||||
gluPerspective(45.0, 1.0, 1.0, 100.0);
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glLoadIdentity();
|
||||
xoff = 0.0;
|
||||
yoff = (cpointsmax[1] - cpointsmin[1]);
|
||||
zoff = 0.0;
|
||||
zoom = 1;
|
||||
angle1 = -45;
|
||||
angle2 = 45;
|
||||
}
|
||||
|
||||
void reshape(int w, int h)
|
||||
{
|
||||
glViewport(0, 0, w, h);
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
}
|
||||
|
||||
void idle()
|
||||
{
|
||||
}
|
||||
|
||||
void timer(int value)
|
||||
{
|
||||
}
|
||||
|
||||
void readcloud(char* filename)
|
||||
{
|
||||
|
||||
int i = 0;
|
||||
int j = 0;
|
||||
FILE* f;
|
||||
int abbruch = 0;
|
||||
char str[200] = "";
|
||||
printf("Lese '%s' ein\n", filename);
|
||||
f = fopen(filename, "r");
|
||||
printf("Ueberspringe Kopf...\n");
|
||||
// Kopf Überspringen
|
||||
while (!feof(f) && str[0] != '[')
|
||||
fscanf(f, "%s", str);
|
||||
printf("Lese Punkte ein...\n");
|
||||
//Punkte einlesen
|
||||
while (!feof(f) && abbruch == 0) {
|
||||
//einlesen
|
||||
if (((i + 1) % 3) == 0)
|
||||
fscanf(f, "%f %c", &cpoints[i], str);
|
||||
else
|
||||
fscanf(f, "%f", &cpoints[i]);
|
||||
// Extremalwerte initialisieren
|
||||
if (i < 3) {
|
||||
cpointsmax[i % 3] = cpoints[i];
|
||||
cpointsmin[i % 3] = cpoints[i];
|
||||
}
|
||||
//Abbruch, wenn alle Punkte 0 sind, (nicht ganz sauber, aber funktioniert, wenn nicht zufällig der Urspung ein gültiger Punkt ist)
|
||||
if (i > 3 && cpoints[i - 2] == 0 && cpoints[i - 1] == 0 && cpoints[i] == 0)
|
||||
abbruch = 1;
|
||||
//Extremalwerte gegebenenfalls erneuern
|
||||
if (cpoints[i] > cpointsmax[i % 3] && cpoints[i] != 0)
|
||||
cpointsmax[i % 3] = cpoints[i];
|
||||
if (cpoints[i] < cpointsmin[i % 3] && cpoints[i] != 0)
|
||||
cpointsmin[i % 3] = cpoints[i];
|
||||
i++;
|
||||
}
|
||||
cpoints_n = i - 1;
|
||||
printf("Es wurden %i Vertices gelesen\n", cpoints_n / 3);
|
||||
printf("Koordinaten sind in den Intervallen [%f,%f] [%f,%f] [%f,%f]\n\n", cpointsmin[0], cpointsmax[0], cpointsmin[1], cpointsmax[1], cpointsmin[2], cpointsmax[2]);
|
||||
abbruch = 0;
|
||||
i = 0;
|
||||
//warten, bis es zu den colors geht
|
||||
while (!feof(f) && str[0] != '[')
|
||||
fscanf(f, "%s", str);
|
||||
printf("Lese Farben ein...\n");
|
||||
// Farben einlesen
|
||||
while (!feof(f) && abbruch == 0) {
|
||||
//einlesen
|
||||
if (((i + 1) % 3) == 0)
|
||||
fscanf(f, "%f %c", &ccolors[i], str);
|
||||
else
|
||||
fscanf(f, "%f", &ccolors[i]);
|
||||
//Abbruch, wenn alle farben 0 sind, (nicht ganz sauber, aber funktioniert, wenn nicht zufällig schwarz eine gültige Farbe ist)
|
||||
if (i > 3 && ccolors[i - 2] == 0 && ccolors[i - 1] == 0 && ccolors[i] == 0)
|
||||
abbruch = 1;
|
||||
i++;
|
||||
}
|
||||
printf("Es wurden %i Farben eingelesen\n\n", (i - 1) / 3);
|
||||
abbruch = 0;
|
||||
i = 0;
|
||||
//warten, bis es zu den koordinaten geht
|
||||
while (!feof(f) && str[0] != '[') {
|
||||
fscanf(f, "%s", str);
|
||||
}
|
||||
printf("Lese Koordinaten fuer die Dreiecke ein...\n");
|
||||
// Koordinaten einlesen
|
||||
while (!feof(f) && abbruch < 2) {
|
||||
//einlesen
|
||||
fscanf(f, "%i %c", &ccoord[i], str);
|
||||
//printf("%i\n",ccoord[i]);
|
||||
//Abbruch, wenn alle Dreiecke 0 sind, (nicht ganz sauber, aber funktioniert, wenn nicht zufällig der Urspung ein gültiger Punkt ist)
|
||||
if (ccoord[i] == -1) {
|
||||
i--;
|
||||
abbruch++;
|
||||
} else
|
||||
abbruch = 0;
|
||||
i++;
|
||||
}
|
||||
maxcoords = i - 1;
|
||||
printf("Es wurden %i Dreiecke eingelesen\n", (maxcoords + 1) / 3); // drei Punkte bilden ein Dreieck
|
||||
fclose(f);
|
||||
puts("Einlesen beendet\n");
|
||||
}
|
||||
|
||||
void key(unsigned char k, int x, int y);
|
||||
void mouseactive(int x, int y)
|
||||
{
|
||||
if (pressedbutton == GLUT_LEFT_BUTTON) {
|
||||
angle1 = startangle1 + (x - startx) / 10;
|
||||
angle2 = startangle2 + (y - starty) / 10;
|
||||
}
|
||||
if (pressedbutton == GLUT_RIGHT_BUTTON) {
|
||||
xoff = startxoff + (float)(x - startx) / 100;
|
||||
zoff = startzoff - (float)(y - starty) / 100;
|
||||
}
|
||||
if (pressedbutton == GLUT_MIDDLE_BUTTON) {
|
||||
yoff = startyoff + ((float)(y - starty) / 100);
|
||||
}
|
||||
glutPostRedisplay();
|
||||
}
|
||||
void mouse(int button, int state, int x, int y)
|
||||
{
|
||||
if (state == GLUT_DOWN) {
|
||||
pressedbutton = button;
|
||||
startx = x;
|
||||
starty = y;
|
||||
startangle1 = angle1;
|
||||
startangle2 = angle2;
|
||||
startxoff = xoff;
|
||||
startyoff = yoff;
|
||||
startzoff = zoff;
|
||||
} else
|
||||
pressedbutton = 0;
|
||||
}
|
||||
|
||||
void MainMenu(int value)
|
||||
{
|
||||
switch (value) {
|
||||
|
||||
case 2:
|
||||
key('q', 0, 0);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void submenu1(int value)
|
||||
{
|
||||
}
|
||||
|
||||
void define_menu()
|
||||
{
|
||||
}
|
||||
|
||||
void key(unsigned char k, int x, int y)
|
||||
{
|
||||
switch (k) {
|
||||
case 8: //BACKSPACE
|
||||
init();
|
||||
break;
|
||||
case 27:
|
||||
case 'q':
|
||||
case 'Q':
|
||||
exit(0);
|
||||
default:
|
||||
if (k > '0' - 1 && k < '7') {
|
||||
displaymodus = k - '0';
|
||||
printf("Display-Modus: %i\n", displaymodus);
|
||||
} else {
|
||||
printf("Taste %c mit Steuerzeichen %i nicht belegt\n", k, k);
|
||||
}
|
||||
break;
|
||||
}
|
||||
glutPostRedisplay();
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue