int main(int argc, char * argv[]) { using namespace Eigen; using namespace igl; using namespace std; // init mesh string filename = "/usr/local/igl/libigl/examples/shared/decimated-knight.obj" ; if(argc > 1) { filename = argv[1]; } if(!read_triangle_mesh(filename,V,F)) { return 1; } // Compute normals, centroid, colors, bounding box diagonal per_face_normals(V,F,N); normalize_row_lengths(N,N); mid = 0.5*(V.colwise().maxCoeff() + V.colwise().minCoeff()); bbd = (V.colwise().maxCoeff() - V.colwise().minCoeff()).maxCoeff(); // Init glut glutInit(&argc,argv); if( !TwInit(TW_OPENGL, NULL) ) { // A fatal error occured fprintf(stderr, "AntTweakBar initialization failed: %s\n", TwGetLastError()); return 1; } // Create a tweak bar rebar.TwNewBar("TweakBar"); rebar.TwAddVarRW("scene_rot", TW_TYPE_QUAT4F, &scene_rot, ""); rebar.load(REBAR_NAME); glutInitDisplayString( "rgba depth double samples>=8 "); glutInitWindowSize(glutGet(GLUT_SCREEN_WIDTH)/2.0,glutGet(GLUT_SCREEN_HEIGHT)); glutCreateWindow("sorted primitives transparency"); glutDisplayFunc(display); glutReshapeFunc(reshape); glutKeyboardFunc(key); glutMouseFunc(mouse); glutMotionFunc(mouse_drag); glutMainLoop(); return 0; }
void FourView::update_anttweakbar_visibility(igl::anttweakbar::ReTwBar & rebar) const { using namespace igl; for(int vp = 0;vp<NUM_VIEWPORTS;vp++) { if(vp == m_down_vp) { rebar.TwSetParam(C_STR("Viewport["<<vp<<"]"), "visible", TW_PARAM_INT32, 1, &INT_ONE); }else { rebar.TwSetParam(C_STR("Viewport["<<vp<<"]"), "visible", TW_PARAM_INT32, 1, &INT_ZERO); } } }
void FourView::add_to_reanttweakbar(igl::anttweakbar::ReTwBar & rebar) { using namespace igl; using namespace igl::anttweakbar; // loop over viewports for(int vp = 0;vp<NUM_VIEWPORTS;vp++) { //rebar.TwAddVarRW(C_STR("viewport_"<<vp<<"_zoom"),TW_TYPE_DOUBLE,&m_viewports[vp].camera.zoom,C_STR( // "group='Viewport["<<vp<<"]' " // "label='zoom' " // "step=0.01 min="<<min_zoom<<" max="<<max_zoom<<" " // "help='Zoom viewing camera in and out' " // )); rebar.TwAddVarRW(C_STR("viewport_"<<vp<<"_rotation"),TW_TYPE_QUAT4D, m_viewports[vp].camera.m_rotation_conj.coeffs().data(), C_STR("group='Viewport["<<vp<<"]' " "label='rotation' " "open " "help='Rotate viewing camera (0 0 0 1 = identity)' " )); //rebar.TwAddVarRW( // C_STR("viewport_"<<vp<<"_translation"),TW_TYPE_DIR3D, // m_viewports[vp].camera.m_translation.data(), "visible=false"); //rebar.TwAddVarRW(C_STR("viewport_"<<vp<<"_angle"),TW_TYPE_DOUBLE,&m_viewports[vp].camera.angle, // C_STR("group='Viewport["<<vp<<"]' " // "label='angle' " // "help='Perspective viewing angle (45-natural, 0-ortho)' " // "max=90 min=0") // ); rebar.TwSetParam(C_STR("Viewport["<<vp<<"]"), "opened", TW_PARAM_INT32, 1, &INT_ZERO); rebar.TwSetParam(C_STR("Viewport["<<vp<<"]"), "visible", TW_PARAM_INT32, 1, &INT_ZERO); } // so these are remembered rebar.TwAddVarRW("horiz",TW_TYPE_DOUBLE,&m_horiz,"visible=false"); rebar.TwAddVarRW("vert",TW_TYPE_DOUBLE,&m_vert,"visible=false"); }
void key(unsigned char key, int mouse_x, int mouse_y) { using namespace Eigen; using namespace igl; using namespace std; switch(key) { // Ctrl-c and esc exit case char(3): case char(27): rebar.save(REBAR_NAME); exit(0); default: cout<<"Unknown key command: "<<key<<" "<<int(key)<<endl; } }
void key(unsigned char key, int mouse_x, int mouse_y) { using namespace std; switch(key) { // ESC case char(27): rebar.save(REBAR_NAME); // ^C case char(3): exit(0); default: if(!TwEventKeyboardGLUT(key,mouse_x,mouse_y)) { cout<<"Unknown key command: "<<key<<" "<<int(key)<<endl; } } }
int main(int argc, char * argv[]) { using namespace Eigen; using namespace igl; using namespace std; // init mesh string filename = "../shared/truck.obj"; string filename_other = ""; switch(argc) { case 3: // Read and prepare mesh filename_other = argv[2]; has_other=true; // fall through case 2: // Read and prepare mesh filename = argv[1]; break; default: cerr<<"Usage:"<<endl<<" ./example input.obj [other.obj]"<<endl; cout<<endl<<"Opening default mesh..."<<endl; } const auto read = [] (const string & filename, MatrixXd & V, MatrixXi & F, MatrixXd & N) -> bool { // dirname, basename, extension and filename string d,b,ext,f; pathinfo(filename,d,b,ext,f); // Convert extension to lower case transform(ext.begin(), ext.end(), ext.begin(), ::tolower); vector<vector<double > > vV,vN,vTC; vector<vector<int > > vF,vFTC,vFN; if(ext == "obj") { // Convert extension to lower case if(!igl::readOBJ(filename,vV,vTC,vN,vF,vFTC,vFN)) { return false; } }else if(ext == "off") { // Convert extension to lower case if(!igl::readOFF(filename,vV,vF,vN)) { return false; } }else if(ext == "wrl") { // Convert extension to lower case if(!igl::readWRL(filename,vV,vF)) { return false; } //}else //{ // // Convert extension to lower case // MatrixXi T; // if(!igl::readMESH(filename,V,T,F)) // { // return false; // } // //if(F.size() > T.size() || F.size() == 0) // { // boundary_facets(T,F); // } } if(vV.size() > 0) { if(!list_to_matrix(vV,V)) { return false; } polygon_mesh_to_triangle_mesh(vF,F); } // Compute normals, centroid, colors, bounding box diagonal per_face_normals(V,F,N); return true; }; if(!read(filename,V,F,N)) { return 1; } if(has_other) { if(!read(argv[2],U,G,W)) { return 1; } cat(1,V,U,VU); color_intersections(V,F,U,G,C,D); }else { VU = V; color_selfintersections(V,F,C); } mid = 0.5*(VU.colwise().maxCoeff() + VU.colwise().minCoeff()); bbd = (VU.colwise().maxCoeff() - VU.colwise().minCoeff()).maxCoeff(); // Init glut glutInit(&argc,argv); if( !TwInit(TW_OPENGL, NULL) ) { // A fatal error occured fprintf(stderr, "AntTweakBar initialization failed: %s\n", TwGetLastError()); return 1; } // Create a tweak bar rebar.TwNewBar("TweakBar"); rebar.TwAddVarRW("camera_rotation", TW_TYPE_QUAT4D, s.camera.m_rotation_conj.coeffs().data(), "open readonly=true"); s.camera.push_away(3); s.camera.dolly_zoom(25-s.camera.m_angle); TwType RotationTypeTW = igl::anttweakbar::ReTwDefineEnumFromString("RotationType", "igl_trackball,two-a...-fixed-up"); rebar.TwAddVarCB( "rotation_type", RotationTypeTW, set_rotation_type,get_rotation_type,NULL,"keyIncr=] keyDecr=["); if(has_other) { rebar.TwAddVarRW("show_A",TW_TYPE_BOOLCPP,&show_A, "key=a",false); rebar.TwAddVarRW("show_B",TW_TYPE_BOOLCPP,&show_B, "key=b",false); } rebar.load(REBAR_NAME); glutInitDisplayString("rgba depth double samples>=8 "); glutInitWindowSize(glutGet(GLUT_SCREEN_WIDTH)/2.0,glutGet(GLUT_SCREEN_HEIGHT)); glutCreateWindow("mesh-intersections"); glutDisplayFunc(display); glutReshapeFunc(reshape); glutKeyboardFunc(key); glutMouseFunc(mouse); glutMotionFunc(mouse_drag); glutPassiveMotionFunc( [](int x, int y) { TwEventMouseMotionGLUT(x,y); glutPostRedisplay(); }); static std::function<void(int)> timer_bounce; auto timer = [] (int ms) { timer_bounce(ms); }; timer_bounce = [&] (int ms) { glutTimerFunc(ms, timer, ms); glutPostRedisplay(); }; glutTimerFunc(500, timer, 500); glutMainLoop(); return 0; }
int main(int argc, char * argv[]) { using namespace std; using namespace Eigen; using namespace igl; string filename = "../shared/truck.obj"; switch(argc) { case 3: out_filename = argv[2]; case 2: // Read and prepare mesh filename = argv[1]; break; default: cerr<<"Usage:"<<endl<<" ./example input.obj (output.obj)"<<endl; cout<<endl<<"Opening default mesh..."<<endl; break; } // print key commands cout<<"[Click] and [drag] Rotate model using trackball."<<endl; cout<<"[Z,z] Snap rotation to canonical view."<<endl; cout<<"[Command+Z] Undo."<<endl; cout<<"[Shift+Command+Z] Redo."<<endl; cout<<"[^C,ESC] Exit."<<endl; // dirname, basename, extension and filename string d,b,ext,f; pathinfo(filename,d,b,ext,f); // Convert extension to lower case transform(ext.begin(), ext.end(), ext.begin(), ::tolower); vector<vector<double > > vV,vN,vTC; vector<vector<int > > vF,vFTC,vFN; if(ext == "obj") { // Convert extension to lower case if(!igl::readOBJ(filename,vV,vTC,vN,vF,vFTC,vFN)) { return 1; } }else if(ext == "off") { // Convert extension to lower case if(!igl::readOFF(filename,vV,vF,vN)) { return 1; } }else if(ext == "ply") { // Convert extension to lower case if(!igl::readPLY(filename,vV,vF,vN,vTC)) { return 1; } }else if(ext == "wrl") { // Convert extension to lower case if(!igl::readWRL(filename,vV,vF)) { return 1; } //}else //{ // // Convert extension to lower case // MatrixXi T; // if(!igl::readMESH(filename,V,T,F)) // { // return 1; // } // //if(F.size() > T.size() || F.size() == 0) // { // boundary_facets(T,F); // } } if(vV.size() > 0) { if(!list_to_matrix(vV,V)) { return 1; } polygon_mesh_to_triangle_mesh(vF,F); } MatrixXi F_unique; unique_simplices(F, F_unique); F = F_unique; init_patches(); init_relative(); randomly_color(CC,s.C); // Init glut glutInit(&argc,argv); if( !TwInit(TW_OPENGL, NULL) ) { // A fatal error occured fprintf(stderr, "AntTweakBar initialization failed: %s\n", TwGetLastError()); return 1; } // Create a tweak bar rebar.TwNewBar("bar"); TwDefine("bar label='Patches' size='200 550' text=light alpha='200' color='68 68 68'"); rebar.TwAddVarRW("camera_rotation", TW_TYPE_QUAT4D, s.camera.m_rotation_conj.coeffs().data(), "open readonly=true"); TwType RotationTypeTW = igl::anttweakbar::ReTwDefineEnumFromString("RotationType", "igl_trackball,two-axis-valuator-fixed-up"); rebar.TwAddVarCB( "rotation_type", RotationTypeTW, set_rotation_type,get_rotation_type,NULL,"keyIncr=] keyDecr=["); TwType CenterTypeTW = igl::anttweakbar::ReTwDefineEnumFromString("CenterType","orbit,fps"); rebar.TwAddVarRW("center_type", CenterTypeTW,¢er_type, "keyIncr={ keyDecr=}"); TwType OrientMethodTW = igl::anttweakbar::ReTwDefineEnumFromString("OrientMethod", "outward,ambient-occlusion"); rebar.TwAddVarCB( "orient_method", OrientMethodTW, set_orient_method,get_orient_method,NULL,"keyIncr=< keyDecr=>"); rebar.TwAddVarRW("wireframe_visible",TW_TYPE_BOOLCPP,&wireframe_visible,"key=l"); rebar.TwAddVarRW("fill_visible",TW_TYPE_BOOLCPP,&fill_visible,"key=f"); rebar.TwAddButton("randomize_colors",randomize_colors,NULL,"key=c"); if(out_filename != "") { rebar.TwAddButton("save", saveCB,NULL, C_STR("label='Save to `"<<out_filename<<"`' "<< "key=s")); } rebar.load(REBAR_NAME); animation_from_quat = Quaterniond(1,0,0,0); s.camera.m_rotation_conj = animation_from_quat; animation_start_time = get_seconds(); // Init antweakbar #ifdef __APPLE__ glutInitDisplayString( "rgba depth double samples>=8"); #else glutInitDisplayString( "rgba depth double "); // samples>=8 somehow not supported on Kenshi's machines...? #endif glutInitWindowSize(glutGet(GLUT_SCREEN_WIDTH)/2.0,glutGet(GLUT_SCREEN_HEIGHT)/2.0); glutCreateWindow("patches"); glutDisplayFunc(display); glutReshapeFunc(reshape); glutKeyboardFunc(key); glutMouseFunc(mouse); glutMotionFunc(mouse_drag); glutPassiveMotionFunc((GLUTmousemotionfun)TwEventMouseMotionGLUT); glutMainLoop(); return 0; }
void key(unsigned char key, int mouse_x, int mouse_y) { using namespace std; using namespace Eigen; using namespace igl; int mod = glutGetModifiers(); switch(key) { // ESC case char(27): rebar.save(REBAR_NAME); // ^C case char(3): exit(0); case 'I': case 'i': { push_undo(); s.N *= -1.0; F = F.rowwise().reverse().eval(); break; } case 'z': case 'Z': if(mod & GLUT_ACTIVE_COMMAND) { if(mod & GLUT_ACTIVE_SHIFT) { redo(); }else { undo(); } }else { push_undo(); Quaterniond q; snap_to_canonical_view_quat(s.camera.m_rotation_conj,1.0,q); switch(center_type) { default: case CENTER_TYPE_ORBIT: s.camera.orbit(q.conjugate()); break; case CENTER_TYPE_FPS: s.camera.turn_eye(q.conjugate()); break; } } break; case 'u': mouse_wheel(0, 1,mouse_x,mouse_y); break; case 'j': mouse_wheel(0,-1,mouse_x,mouse_y); break; case 'n': cc_selected = (cc_selected + 1) % (CC.maxCoeff() + 2); cout << "selected cc: " << cc_selected << endl; glutPostRedisplay(); break; default: if(!TwEventKeyboardGLUT(key,mouse_x,mouse_y)) { cout<<"Unknown key command: "<<key<<" "<<int(key)<<endl; } } }
int main(int argc, char * argv[]) { using namespace Eigen; using namespace igl; using namespace std; // init mesh string filename = "../shared/animal.obj"; string tfilename = "../shared/animal.png"; if(argc < 3) { cerr<<"Usage:"<<endl<<" ./example input.obj texture.png"<<endl; cout<<endl<<"Opening default mesh..."<<endl; } else { // Read and prepare mesh filename = argv[1]; tfilename = argv[2]; } vector<vector<double > > vV,vN,vTC; vector<vector<int > > vF,vTF,vFN; // Convert extension to lower case if(!igl::readOBJ(filename,vV,vTC,vN,vF,vTF,vFN)) { return 1; } if(vV.size() > 0) { if(!list_to_matrix(vV,V)) { cerr<<"Bad V"<<endl; return 1; } polygon_mesh_to_triangle_mesh(vF,F); } if(vTC.size() > 0) { if(!list_to_matrix(vTC,TC)) { cerr<<"Bad TC"<<endl; return 1; } } if(vTF.size() > 0) { if(!list_to_matrix(vTF,TF)) { cerr<<"Bad TF"<<endl; return 1; } } //if(vN.size() > 0) //{ // if(!list_to_matrix(vN,N)) // { // return 1; // } //}else //{ per_vertex_normals(V,F,N); //} // Compute normals, centroid, colors, bounding box diagonal mid = 0.5*(V.colwise().maxCoeff() + V.colwise().minCoeff()); bbd = (V.colwise().maxCoeff() - V.colwise().minCoeff()).maxCoeff(); // Init glut glutInit(&argc,argv); if( !TwInit(TW_OPENGL, NULL) ) { // A fatal error occured fprintf(stderr, "AntTweakBar initialization failed: %s\n", TwGetLastError()); return 1; } // Create a tweak bar rebar.TwNewBar("TweakBar"); rebar.TwAddVarRW("camera_rotation", TW_TYPE_QUAT4D, s.camera.m_rotation_conj.coeffs().data(), "open readonly=true"); s.camera.push_away(3); s.camera.dolly_zoom(25-s.camera.m_angle); TwType RotationTypeTW = igl::anttweakbar::ReTwDefineEnumFromString("RotationType", "igl_trackball,two-a...-fixed-up"); rebar.TwAddVarCB( "rotation_type", RotationTypeTW, set_rotation_type,get_rotation_type,NULL,"keyIncr=] keyDecr=["); rebar.TwAddVarRW("flip_y", TW_TYPE_BOOLCPP, &flip_y,"key=f"); rebar.TwAddVarRW("rotate_xy", TW_TYPE_BOOLCPP, &rotate_xy,"key=r"); rebar.load(REBAR_NAME); glutInitDisplayString( "rgba depth double samples>=8 "); glutInitWindowSize(glutGet(GLUT_SCREEN_WIDTH)/2.0,glutGet(GLUT_SCREEN_HEIGHT)); glutCreateWindow("colored-mesh"); glutDisplayFunc(display); glutReshapeFunc(reshape); glutKeyboardFunc(key); glutMouseFunc(mouse); glutMotionFunc(mouse_drag); glutPassiveMotionFunc( [](int x, int y) { TwEventMouseMotionGLUT(x,y); glutPostRedisplay(); }); static std::function<void(int)> timer_bounce; auto timer = [] (int ms) { timer_bounce(ms); }; timer_bounce = [&] (int ms) { glutTimerFunc(ms, timer, ms); glutPostRedisplay(); }; glutTimerFunc(500, timer, 500); // Must be called after opengl context is initialized if(!igl::png::texture_from_file(tfilename,tex_id)) { return 1; } glutMainLoop(); return 0; }
int main(int argc, char * argv[]) { using namespace Eigen; using namespace igl; using namespace std; // init mesh string filename = "../shared/beast.obj"; if(argc < 2) { cerr<<"Usage:"<<endl<<" ./example input.obj"<<endl; cout<<endl<<"Opening default mesh..."<<endl; }else { // Read and prepare mesh filename = argv[1]; } // dirname, basename, extension and filename string d,b,ext,f; pathinfo(filename,d,b,ext,f); // Convert extension to lower case transform(ext.begin(), ext.end(), ext.begin(), ::tolower); vector<vector<double > > vV,vN,vTC; vector<vector<int > > vF,vFTC,vFN; if(ext == "obj") { // Convert extension to lower case if(!igl::readOBJ(filename,vV,vTC,vN,vF,vFTC,vFN)) { return 1; } }else if(ext == "off") { // Convert extension to lower case if(!igl::readOFF(filename,vV,vF,vN)) { return 1; } }else if(ext == "wrl") { // Convert extension to lower case if(!igl::readWRL(filename,vV,vF)) { return 1; } //}else //{ // // Convert extension to lower case // MatrixXi T; // if(!igl::readMESH(filename,V,T,F)) // { // return 1; // } // //if(F.size() > T.size() || F.size() == 0) // { // boundary_facets(T,F); // } } if(vV.size() > 0) { if(!list_to_matrix(vV,V)) { return 1; } polygon_mesh_to_triangle_mesh(vF,F); } // Compute normals, centroid, colors, bounding box diagonal per_vertex_normals(V,F,N); mid = 0.5*(V.colwise().maxCoeff() + V.colwise().minCoeff()); bbd = (V.colwise().maxCoeff() - V.colwise().minCoeff()).maxCoeff(); // Init embree ei.init(V.cast<float>(),F.cast<int>()); // Init glut glutInit(&argc,argv); if( !TwInit(TW_OPENGL, NULL) ) { // A fatal error occured fprintf(stderr, "AntTweakBar initialization failed: %s\n", TwGetLastError()); return 1; } // Create a tweak bar rebar.TwNewBar("TweakBar"); rebar.TwAddVarRW("scene_rot", TW_TYPE_QUAT4F, &scene_rot, ""); rebar.TwAddVarRW("lights_on", TW_TYPE_BOOLCPP, &lights_on, "key=l"); rebar.TwAddVarRW("color", TW_TYPE_COLOR4F, color.data(), "colormode=hls"); rebar.TwAddVarRW("ao_factor", TW_TYPE_DOUBLE, &ao_factor, "min=0 max=1 step=0.2 keyIncr=] keyDecr=[ "); rebar.TwAddVarRW("ao_normalize", TW_TYPE_BOOLCPP, &ao_normalize, "key=n"); rebar.TwAddVarRW("ao_on", TW_TYPE_BOOLCPP, &ao_on, "key=a"); rebar.TwAddVarRW("light_intensity", TW_TYPE_DOUBLE, &light_intensity, "min=0 max=0.4 step=0.1 keyIncr=} keyDecr={ "); rebar.load(REBAR_NAME); glutInitDisplayString( "rgba depth double samples>=8 "); glutInitWindowSize(glutGet(GLUT_SCREEN_WIDTH)/2.0,glutGet(GLUT_SCREEN_HEIGHT)); glutCreateWindow("ambient-occlusion"); glutDisplayFunc(display); glutReshapeFunc(reshape); glutKeyboardFunc(key); glutMouseFunc(mouse); glutMotionFunc(mouse_drag); glutPassiveMotionFunc((GLUTmousemotionfun)TwEventMouseMotionGLUT); glutMainLoop(); return 0; }