segmentation / netmets

Commit e1700dd03360641a7dce685886ffdfa85e44f4c3

Authored by Jiaming Guo
1 parent 19ec4731

fixed bugs when introducing lighting

Showing 1 changed file with 74 additions and 47 deletions   Show diff stats
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... ... @@ -74,6 +74,7 @@ float delta;
74 74 float sigma = 3; //default sigma
75 75 float radius = 3; //equals to radius
76 76 int adjoint_fac = 0;
  77 +int light_fac = 0;
77 78  
78 79 //sets an OpenGL viewport taking up the entire window
79 80 void glut_render_single_projection(){
... ... @@ -142,18 +143,19 @@ void glut_render(void) {
142 143 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear the screen
143 144  
144 145 glEnable(GL_TEXTURE_1D); //enable texture mapping
145   - if(adjoint_fac == 1)
  146 + if(light_fac == 0)
146 147 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); //texture map will be used as the network color
147   - else if (adjoint_fac == 0)
  148 + else
148 149 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
  150 +
149 151 glBindTexture(GL_TEXTURE_1D, cmap_tex); //bind the Brewer texture map
150 152  
151 153 GT.glCylinder(sigma, radius); //render the GT network
152 154 if (adjoint_fac == 1) {
153   - glDisable(GL_TEXTURE_1D);
  155 + glDisable(GL_TEXTURE_1D); //disable texture in order to render in other color
154 156 glEnable(GL_BLEND); //enable color blend
155 157 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); //set blend function
156   - glDisable(GL_DEPTH_TEST); //should disable depth
  158 + glDisable(GL_DEPTH_TEST); //should disable depth to render transparancy
157 159 glColor4f(0.0f, 0.3f, 0.0f, 0.2f);
158 160 T.glAdjointCylinder(sigma, radius);
159 161 glDisable(GL_BLEND);
... ... @@ -185,9 +187,9 @@ void glut_render(void) {
185 187 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear the screen
186 188  
187 189 glEnable(GL_TEXTURE_1D); //enable texture mapping
188   - if (adjoint_fac == 1)
  190 + if (light_fac == 0)
189 191 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); //texture map will be used as the network color
190   - else if (adjoint_fac == 0)
  192 + else
191 193 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);//map light to texture
192 194 glBindTexture(GL_TEXTURE_1D, cmap_tex); //bind the Brewer texture map
193 195  
... ... @@ -229,34 +231,41 @@ void glut_render(void) {
229 231 }
230 232 }
231 233 }
232   - glDisable(GL_TEXTURE_1D); //disable texture
233   -
234   - //if (num_nets == 2) { // works only with two networks
235   - // std::ostringstream ss;
236   - // if (mappingMode) // if it is in mapping mode
237   - // ss << "Mapping Mode";
238   - // else
239   - // ss << "Compare Mode"; // default mode is compare mode
240   - // glMatrixMode(GL_PROJECTION); // set up the 2d viewport for mode text printing
241   - // glPushMatrix();
242   - // glLoadIdentity();
243   - // int X = glutGet(GLUT_WINDOW_WIDTH); // get the current window width
244   - // int Y = glutGet(GLUT_WINDOW_HEIGHT); // get the current window height
245   - // glViewport(0, 0, X / 2, Y); // locate to left bottom corner
246   - // gluOrtho2D(0, X, 0, Y); // define othogonal aspect
247   - // glColor3f(0.0, 1.0, 0.0); // using green to show mode
248   -
249   - // glMatrixMode(GL_MODELVIEW);
250   - // glPushMatrix();
251   - // glLoadIdentity();
252   -
253   - // glRasterPos2f(0, 5); //print text in the left bottom corner
254   - // glutBitmapString(GLUT_BITMAP_TIMES_ROMAN_24, (const unsigned char*)(ss.str().c_str()));
255   -
256   - // glPopMatrix();
257   - // glMatrixMode(GL_PROJECTION);
258   - // glPopMatrix();
259   - //}
  234 +
  235 + if (num_nets == 2) { // works only with two networks
  236 + std::ostringstream ss;
  237 + if (mappingMode) // if it is in mapping mode
  238 + ss << "Mapping Mode";
  239 + else
  240 + ss << "Compare Mode"; // default mode is compare mode
  241 +
  242 + glDisable(GL_TEXTURE_1D);
  243 + if (light_fac == 1)
  244 + glDisable(GL_LIGHTING);
  245 + glMatrixMode(GL_PROJECTION); // set up the 2d viewport for mode text printing
  246 + glPushMatrix();
  247 + glLoadIdentity();
  248 + int X = glutGet(GLUT_WINDOW_WIDTH); // get the current window width
  249 + int Y = glutGet(GLUT_WINDOW_HEIGHT); // get the current window height
  250 + glViewport(0, 0, X / 2, Y); // locate to left bottom corner
  251 + gluOrtho2D(0, X, 0, Y); // define othogonal aspect
  252 + glColor3f(0.8, 0.0, 0.0); // using red to show mode
  253 +
  254 + glMatrixMode(GL_MODELVIEW);
  255 + glPushMatrix();
  256 + glLoadIdentity();
  257 +
  258 + glRasterPos2f(0, 5); //print text in the left bottom corner
  259 + glutBitmapString(GLUT_BITMAP_TIMES_ROMAN_24, (const unsigned char*)(ss.str().c_str()));
  260 +
  261 + glPopMatrix();
  262 + glMatrixMode(GL_PROJECTION);
  263 + glPopMatrix();
  264 + glColor3f(1.0, 1.0, 1.0); //clear red color
  265 + if (light_fac == 1)
  266 + glEnable(GL_LIGHTING);
  267 + }
  268 +
260 269 glutSwapBuffers();
261 270 }
262 271  
... ... @@ -393,11 +402,27 @@ void glut_keyboard(unsigned char key, int x, int y){
393 402 radius = 0.2;
394 403 break;
395 404  
  405 + // turn on/off the light
  406 + case 'l': // if keyboard 'l' is pressed, then change the light
  407 + if (!light_fac && !adjoint_fac) {
  408 + light_fac = 1;
  409 + glEnable(GL_LIGHTING);
  410 + glEnable(GL_LIGHT0);
  411 + glEnable(GL_LIGHT1);
  412 + }
  413 + else if (light_fac && !adjoint_fac) {
  414 + light_fac = 0;
  415 + glDisable(GL_LIGHTING);
  416 + glDisable(GL_LIGHT0);
  417 + glDisable(GL_LIGHT1);
  418 + }
  419 + break;
  420 +
396 421 // render a transparant T very close to GT in compare mode
397 422 case 32: // if keyboard 'SPACE' is pressed, then change the adjoint_fac
398   - if (!adjoint_fac && compareMode)
  423 + if (!adjoint_fac && compareMode && !light_fac)
399 424 adjoint_fac = 1;
400   - else if(adjoint_fac && compareMode)
  425 + else if(adjoint_fac && compareMode && !light_fac)
401 426 adjoint_fac = 0;
402 427 break;
403 428  
... ... @@ -473,26 +498,28 @@ void glut_initialize(){
473 498 cam.LookAt(c[0], c[1], c[2]); //look at the center of the network
474 499  
475 500 // light
476   - stim::vec3<float> eye = cam.getPosition(); //get the camera position point
477   - stim::vec3<float> focus = cam.getLookAt(); //get the camera focal point
478   -
479 501 GLfloat ambient[] = { 0.2, 0.2, 0.2, 1.0 };
480   - GLfloat diffuse1[] = { 1.0, 1.0, 1.0, 1.0 };
481   - GLfloat diffuse2[] = { 0.2, 0.2, 0.2, 1.0 };
482   - GLfloat position1[] = { 3*focus[0], 3*focus[1], -3*eye[2], 1.0 }; // upper right light source
483   - GLfloat position2[] = { -2*focus[0], -2*focus[1], -3*eye[2], 0.0 }; // lower left light source
  502 + GLfloat diffuse1[] = { 0.8, 0.8, 0.8, 1.0 };
  503 + GLfloat diffuse2[] = { 0.4, 0.4, 0.4, 1.0 };
  504 + //GLfloat specular[] = { 1.0, 1.0, 1.0, 1.0 };
  505 + GLfloat position1[] = { 2 * c[0], 4 * c[1], 1 * c[0], 1.0 }; // upper right light source
  506 + GLfloat position2[] = { 0.0, -2 * c[1], 1 * c[0], 1.0 }; // lower left light source
484 507 glClearColor(0.0, 0.0, 0.0, 1.0);
485 508 glShadeModel(GL_SMOOTH);
486 509  
487   - glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
  510 +
  511 + glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
  512 +
488 513 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse1);
  514 + //glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
489 515 glLightfv(GL_LIGHT0, GL_POSITION, position1);
490   - glLightfv(GL_LIGHT1, GL_AMBIENT, ambient);
  516 + //glMaterialfv(GL_FRONT, GL_SPECULAR, specular);
  517 + //glMaterialf(GL_FRONT, GL_SHININESS, 60.0);
  518 +
491 519 glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse2);
492 520 glLightfv(GL_LIGHT1, GL_POSITION, position2);
493 521  
494   - glEnable(GL_LIGHTING);
495   - glEnable(GL_LIGHT0);
  522 + glEnable(GL_NORMALIZE);
496 523 }
497 524  
498 525 #ifdef __CUDACC__
... ...