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;
}