void vtkInteractorStyleQuench::ResetView()
{
double viewUp[3], focalpt[3],position[3];
FindPokedRenderer(0,0);
vtkCamera *camera = this->CurrentRenderer->GetActiveCamera();
camera->GetViewUp(viewUp);
camera->GetFocalPoint(focalpt);
camera->GetPosition(position);
int idx=0;
double rad=0;
for(int i = 0; i < 3; i++)
{
position[i]-=focalpt[i];
rad+=position[i]*position[i];
}
rad = sqrt(rad);
position[0]/=rad; position[1]/=rad; position[2]/=rad;
AlignToAxis(viewUp); idx=AlignToAxis(position);
position[idx]*=rad;
camera->SetViewUp(viewUp);
camera->SetPosition(position);
CurrentRenderer->GetRenderWindow()->Render();
}
void vtkInteractorStyleQuench::Init(SceneWindow *_pSceneWindow)
{
// _editing_voi = false;
_interaction_mode = INTERACTION_IDLE;
// connect the render window and wxVTK window
_pSceneWindow->SetInteractorStyle(this);
vtkRenderWindow *pRenderWindow = _pSceneWindow->GetRenderWindow();
_renderer = vtkRenderer::New();
pRenderWindow->AddRenderer(_renderer);
pRenderWindow->LineSmoothingOff();
pRenderWindow->PolygonSmoothingOff();
pRenderWindow->SetAAFrames(0);
pRenderWindow->SetSize(200,200);
vtkCamera *camera = vtkCamera::New();
_renderer->SetActiveCamera(camera);
camera->Delete();
FindPokedRenderer(0,0);
CurrentRenderer->SetBackground(0.74, 0.74, 0.66);
_volViz = new qVolumeViz(_renderer);
_pathwayViz = new qPathwayViz(_renderer);
_voiViz = new qROIViz(_renderer);
_GestureInteractor = new qGestureInteractor(_renderer);
_voiEditor = new qROIEditor(_renderer, _volViz);
pp = vtkWorldPointPicker :: New();
_voiEditor->SetEditingROIMode(false);
}
void vtkInteractorStyleQuench::OnRightButtonUp()
{
_interaction_mode = INTERACTION_IDLE;
_right_button_down = 0;
if(State == VTKIS_DOLLY)
EndDolly();
// check if the timer is running
if(IsRunning() == false)
return;
// Stop the timer
Stop();
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
_mousedown_x = Interactor->GetEventPosition()[0];
_mousedown_y = abs(Interactor->GetEventPosition()[1]);
if(_pathwayViz->OnRightButtonUp(_mousedown_x, _mousedown_y))
return ;
if(_voiViz->OnRightButton(_mousedown_x, _mousedown_y))
return;
if(_volViz->OnRightButtonUp(_mousedown_x, _mousedown_y))
return ;
}
void
pcl::visualization::PCLHistogramVisualizerInteractorStyle::OnKeyDown ()
{
if (!init_)
{
pcl::console::print_error ("[PCLHistogramVisualizerInteractorStyle] Interactor style not initialized. Please call Initialize () before continuing.\n");
return;
}
FindPokedRenderer (Interactor->GetEventPosition ()[0], Interactor->GetEventPosition ()[1]);
//fprintf (stderr, "Key sym: %s\n", Interactor->GetKeySym ());
// ---[ Check the rest of the key codes
switch (Interactor->GetKeyCode ())
{
case 'q': case 'Q':
{
Interactor->ExitCallback ();
return;
}
// Switch representation to wireframe
default:
{
Superclass::OnKeyDown ();
}
}
Interactor->Render ();
}
void vtkInteractorStyleQuench::OnRightButtonDown()
{
_mouse_moved = false;
_right_button_down = 1;
wxCommandEvent nullEvent;
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
if (CurrentRenderer == NULL)
return;
_mousedown_x = Interactor->GetEventPosition()[0];
_mousedown_y = abs(Interactor->GetEventPosition()[1]);
//cerr << "here" << endl;
if (_voiEditor->GetEditingROIMode() && _voiEditor->ClickInsideTomogram(_mousedown_x, _mousedown_y))
{
_voiEditor->OnRightDown(_mousedown_x, _mousedown_y);
_interaction_mode = INTERACTION_ROI_EDIT;
return;
}
Start( 100 );
//if(-1==_Scene->GetPathwayViz()->ProcessRightButtonDown(mousedown_x,mousedown_y))
//StartDolly();
//else
// frame->OnScorePanelToggle(nullEvent);
}
bool
pcl::visualization::PCLVisualizerInteractorStyle::saveCameraParameters (const std::string &file)
{
FindPokedRenderer (Interactor->GetEventPosition ()[0], Interactor->GetEventPosition ()[1]);
ofstream ofs_cam (file.c_str ());
if (!ofs_cam.is_open ())
{
return (false);
}
vtkSmartPointer<vtkCamera> cam = Interactor->GetRenderWindow ()->GetRenderers ()->GetFirstRenderer ()->GetActiveCamera ();
double clip[2], focal[3], pos[3], view[3];
cam->GetClippingRange (clip);
cam->GetFocalPoint (focal);
cam->GetPosition (pos);
cam->GetViewUp (view);
int *win_pos = Interactor->GetRenderWindow ()->GetPosition ();
int *win_size = Interactor->GetRenderWindow ()->GetSize ();
ofs_cam << clip[0] << "," << clip[1] << "/" << focal[0] << "," << focal[1] << "," << focal[2] << "/" <<
pos[0] << "," << pos[1] << "," << pos[2] << "/" << view[0] << "," << view[1] << "," << view[2] << "/" <<
cam->GetViewAngle () / 180.0 * M_PI << "/" << win_size[0] << "," << win_size[1] << "/" << win_pos[0] << "," << win_pos[1]
<< endl;
ofs_cam.close ();
return (true);
}
void vtkInteractorStyleQuench::OnMiddleButtonDown()
{
_mouse_moved = false;
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
if (CurrentRenderer == NULL)
return;
StartPan();
}
void cv::viz::InteractorStyle::zoomOut()
{
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
// Zoom out
StartDolly();
double factor = 10.0 * -0.2 * .5;
Dolly(std::pow(1.1, factor));
EndDolly();
}
void
pcl::visualization::PCLVisualizerInteractorStyle::zoomOut ()
{
FindPokedRenderer (Interactor->GetEventPosition ()[0], Interactor->GetEventPosition ()[1]);
// Zoom out
StartDolly ();
double factor = 10.0 * -0.2 * .5;
Dolly (pow (1.1, factor));
EndDolly ();
}
void
pcl::visualization::PCLVisualizerInteractorStyle::saveScreenshot (const std::string &file)
{
FindPokedRenderer (Interactor->GetEventPosition ()[0], Interactor->GetEventPosition ()[1]);
wif_->SetInput (Interactor->GetRenderWindow ());
wif_->Modified (); // Update the WindowToImageFilter
snapshot_writer_->Modified ();
snapshot_writer_->SetFileName (file.c_str ());
snapshot_writer_->Write ();
}
void cv::viz::InteractorStyle::saveScreenshot(const String &file)
{
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
vtkSmartPointer<vtkWindowToImageFilter> wif = vtkSmartPointer<vtkWindowToImageFilter>::New();
wif->SetInput(Interactor->GetRenderWindow());
vtkSmartPointer<vtkPNGWriter> snapshot_writer = vtkSmartPointer<vtkPNGWriter>::New();
snapshot_writer->SetInputConnection(wif->GetOutputPort());
snapshot_writer->SetFileName(file.c_str());
snapshot_writer->Write();
cout << "Screenshot successfully captured (" << file.c_str() << ")" << endl;
}
void cv::viz::InteractorStyle::OnChar()
{
// Make sure we ignore the same events we handle in OnKeyDown to avoid calling things twice
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
if (Interactor->GetKeyCode() >= '0' && Interactor->GetKeyCode() <= '9')
return;
String key(Interactor->GetKeySym());
if (key.find("XF86ZoomIn") != String::npos)
zoomIn();
else if (key.find("XF86ZoomOut") != String::npos)
zoomOut();
int keymod = Interactor->GetAltKey();
switch (Interactor->GetKeyCode())
{
// All of the options below simply exit
case 'h': case 'H':
case 'l': case 'L':
case 'p': case 'P':
case 'j': case 'J':
case 'c': case 'C':
case 43: // KEY_PLUS
case 45: // KEY_MINUS
case 'f': case 'F':
case 'g': case 'G':
case 'o': case 'O':
case 'u': case 'U':
case 'q': case 'Q':
{
break;
}
// S and R have a special !ALT case
case 'r': case 'R':
case 's': case 'S':
{
if (!keymod)
Superclass::OnChar();
break;
}
default:
{
Superclass::OnChar();
break;
}
}
}
void
pcl::visualization::PCLVisualizerInteractorStyle::getCameraParameters (pcl::visualization::Camera &camera)
{
FindPokedRenderer (Interactor->GetEventPosition ()[0], Interactor->GetEventPosition ()[1]);
vtkSmartPointer<vtkCamera> cam = Interactor->GetRenderWindow ()->GetRenderers ()->GetFirstRenderer ()->GetActiveCamera ();
cam->GetClippingRange (camera.clip);
cam->GetFocalPoint (camera.focal);
cam->GetPosition (camera.pos);
cam->GetViewUp (camera.view);
camera.fovy = cam->GetViewAngle () / 180.0 * M_PI;
int *win_pos = Interactor->GetRenderWindow ()->GetPosition ();
int *win_size = Interactor->GetRenderWindow ()->GetSize ();
camera.window_pos[0] = win_pos[0];
camera.window_pos[1] = win_pos[1];
camera.window_size[0] = win_size[0];
camera.window_size[1] = win_size[1];
}
void vtkInteractorStyleQuench::OnLeftButtonDown()
{
_mouse_moved = false;
_left_button_down=1;
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
_mousedown_x = this->Interactor->GetEventPosition()[0];
_mousedown_y = abs(this->Interactor->GetEventPosition()[1]);
if(_voiEditor->GetEditingROIMode() && _voiEditor->ClickInsideTomogram(_mousedown_x, _mousedown_y))
{
_voiEditor->OnLeftDown(_mousedown_x, _mousedown_y);
_interaction_mode = INTERACTION_ROI_EDIT;
return;
}
if(_pathwayViz->OnLeftDown(_mousedown_x, _mousedown_y))
{
_interaction_mode = INTERACTION_PATHWAYS;
return;
}
if (this->Interactor->GetControlKey() || ((wxVTKRenderWindowInteractor*)Interactor)->bCmdDwn)
{
_GestureInteractor->BeginSelect(_mousedown_x, _mousedown_y);
//NotifyAllListeners(PEvent ( new EventRefreshViz(true) ) );
//_renderer->GetRenderWindow()->Render();
_interaction_mode = INTERACTION_DRAW_GESTURE;
return;
}
// xxxdla trying to fix bug with interactions
//if( _voiViz->OnLeftDown(_mousedown_x, _mousedown_y) )
// return ;
Interactor->GetShiftKey()?StartPan():StartRotate();
}
void vtkInteractorStyleQuench::Serialize(std::ostream &myStream, int version)
{
// Bogus renderer poke just to get the current renderer
FindPokedRenderer(0,0);
// Save Camera
double pos[3];
double viewup[3];
double focalpt[3];
vtkCamera *camera = CurrentRenderer->GetActiveCamera();
camera->GetPosition(pos);
camera->GetViewUp(viewup);
camera->GetFocalPoint(focalpt);
// Save camera state
myStream << "Camera Position: " << pos[0] << "," << pos[1] << "," << pos[2] << std::endl;
myStream << "Camera View Up: " << viewup[0] << "," << viewup[1] << "," << viewup[2] << std::endl;
myStream << "Camera Focal Point: " << focalpt[0] << "," << focalpt[1] << "," << focalpt[2] << std::endl;
_voiViz ->Serialize(myStream, version);
_volViz ->Serialize(myStream, version);
_pathwayViz->Serialize(myStream, version);
}
void vtkInteractorStyleQuench::Deserialize(istream &myStream, int version)
{
// Restore the entire state of the system.
double pos[3];
double viewup[3];
double focalpt[3];
// Restore Camera
GetQStateVector3<double>(myStream,pos); // Camera Position
GetQStateVector3<double>(myStream,viewup); // Camera View Up
GetQStateVector3<double>(myStream,focalpt); // Camera Focal Pt.
// Bogus renderer poke just to get the current renderer
FindPokedRenderer(0,0);
vtkCamera *camera = CurrentRenderer->GetActiveCamera();
camera->SetPosition(pos);
camera->SetViewUp(viewup);
camera->SetFocalPoint(focalpt);
camera->ComputeViewPlaneNormal();
_voiViz ->Deserialize(myStream, version);
_volViz ->Deserialize(myStream, version);
_pathwayViz ->Deserialize(myStream, version);
//// DTIPathwayAssignment *assignment = new DTIPathwayAssignment (this->whole_database->getNumFibers(), DTI_COLOR_UNASSIGNED);
//// for (int i = 0; i < this->whole_database->getNumFibers(); i++) {
//// int val;
//// myStream >> val;
//// assignment->setValue(i, (DTIPathwayGroupID) val);
//// }
//// SetAssignment (assignment);
//// this->frame->AssignmentMade(assignment);
//// // Must do this in case the border was being displayed in the scene before we restore
//// // has nothing to do with the saved border condition
//// if(this->TomoBorderActor!=NULL)
//// DisplayTomoBorder(this->TomoBorderActor->GetVisibility());
//
//// // Restore query filter op
//
//// setFilterOp ((DTIQueryOperation) filterOp);
//// _query_processor->setROIFilter (filter_qString);
//
//// this->SetScenePathways();
//// myStream.close();
//// redraw();
//
//// _camera_interpolator = vtkCameraInterpolator::New();
//// _camera_interpolator->SetInterpolationType (vtkCameraInterpolator::INTERPOLATION_TYPE_SPLINE);
//// _camera_interpolator->AddCamera (0, camera);
//// vtkCamera *destinationCamera = vtkCamera::New();
//// unsigned int dim[4];
//// double voxSize[3];
//
//// GetCurrentBackground()->getDimension (dim[0], dim[1], dim[2], dim[3]);
//// GetCurrentBackground()->getVoxelSize (voxSize[0], voxSize[1], voxSize[2]);
//// float center[3] = {0, -15, 5}; //center not at AC, but rather at center of
//// // typical brain (#'s are in mm)
//// // center[0] = dim[0]*voxSize[0]*0.5;
//// // center[1] = dim[1]*voxSize[1]*0.5;
//// // center[2] = dim[2]*voxSize[2]*0.5;
//
//// destinationCamera->SetViewUp (0, 0, 1);
//
//// destinationCamera->SetPosition (center[0] + dim[0]*voxSize[0]*(3),
//// center[1],
//// center[2]);
//
//// destinationCamera->SetFocalPoint (center[0],center[1],center[2]);
//// destinationCamera->ComputeViewPlaneNormal();
//// destinationCamera->Modified();
//// //camera_controls->NextPosition (destinationCamera, dim, voxSize);
//// // camera_controls->NextPosition (destinationCamera, dim, voxSize);
//// // camera_controls->NextPosition (destinationCamera, dim, voxSize);
//// _camera_interpolator->AddCamera (1, destinationCamera);
}
void cv::viz::InteractorStyle::OnKeyDown()
{
CV_Assert("Interactor style not initialized. Please call Initialize() before continuing" && init_);
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
// Save the initial windows width/height
if (win_size_[0] == -1 || win_size_[1] == -1)
win_size_ = Vec2i(Interactor->GetRenderWindow()->GetSize());
bool alt = Interactor->GetAltKey() != 0;
std::string key(Interactor->GetKeySym());
if (key.find("XF86ZoomIn") != std::string::npos)
zoomIn();
else if (key.find("XF86ZoomOut") != std::string::npos)
zoomOut();
switch (Interactor->GetKeyCode())
{
case 'h': case 'H':
{
std::cout << "| Help:\n"
"-------\n"
" p, P : switch to a point-based representation\n"
" w, W : switch to a wireframe-based representation (where available)\n"
" s, S : switch to a surface-based representation (where available)\n"
"\n"
" j, J : take a .PNG snapshot of the current window view\n"
" k, K : export scene to Wavefront .obj format\n"
" ALT + k, K : export scene to VRML format\n"
" c, C : display current camera/window parameters\n"
" f, F : fly to point mode, hold the key and move mouse where to fly\n"
"\n"
" e, E : exit the interactor\n"
" q, Q : stop and call VTK's TerminateApp\n"
"\n"
" +/- : increment/decrement overall point size\n"
" +/- [+ ALT] : zoom in/out \n"
"\n"
" r, R [+ ALT] : reset camera [to viewpoint = {0, 0, 0} -> center_{x, y, z}]\n"
"\n"
" ALT + s, S : turn stereo mode on/off\n"
" ALT + f, F : switch between maximized window mode and original size\n"
"\n"
<< std::endl;
break;
}
// Switch representation to points
case 'p': case 'P':
{
vtkSmartPointer<vtkActorCollection> ac = CurrentRenderer->GetActors();
vtkCollectionSimpleIterator ait;
for (ac->InitTraversal(ait); vtkActor* actor = ac->GetNextActor(ait); )
for (actor->InitPathTraversal(); vtkAssemblyPath* path = actor->GetNextPath(); )
{
vtkActor* apart = vtkActor::SafeDownCast(path->GetLastNode()->GetViewProp());
apart->GetProperty()->SetRepresentationToPoints();
}
break;
}
// Save a PNG snapshot
case 'j': case 'J':
saveScreenshot(cv::format("screenshot-%d.png", (unsigned int)time(0))); break;
// Export scene as in obj or vrml format
case 'k': case 'K':
{
String format = alt ? "scene-%d.vrml" : "scene-%d";
exportScene(cv::format(format.c_str(), (unsigned int)time(0)));
break;
}
// display current camera settings/parameters
case 'c': case 'C':
{
vtkSmartPointer<vtkCamera> cam = Interactor->GetRenderWindow()->GetRenderers()->GetFirstRenderer()->GetActiveCamera();
Vec2d clip(cam->GetClippingRange());
Vec3d focal(cam->GetFocalPoint()), pos(cam->GetPosition()), view(cam->GetViewUp());
Vec2i win_pos(Interactor->GetRenderWindow()->GetPosition());
Vec2i win_size(Interactor->GetRenderWindow()->GetSize());
double angle = cam->GetViewAngle () / 180.0 * CV_PI;
String data = cv::format("clip(%f,%f) focal(%f,%f,%f) pos(%f,%f,%f) view(%f,%f,%f) angle(%f) winsz(%d,%d) winpos(%d,%d)",
clip[0], clip[1], focal[0], focal[1], focal[2], pos[0], pos[1], pos[2], view[0], view[1], view[2],
angle, win_size[0], win_size[1], win_pos[0], win_pos[1]);
std::cout << data.c_str() << std::endl;
break;
}
case '=':
{
zoomIn();
break;
}
case 43: // KEY_PLUS
{
if (alt)
zoomIn();
else
{
vtkSmartPointer<vtkActorCollection> ac = CurrentRenderer->GetActors();
vtkCollectionSimpleIterator ait;
for (ac->InitTraversal(ait); vtkActor* actor = ac->GetNextActor(ait); )
for (actor->InitPathTraversal(); vtkAssemblyPath* path = actor->GetNextPath(); )
{
vtkActor* apart = vtkActor::SafeDownCast(path->GetLastNode()->GetViewProp());
float psize = apart->GetProperty()->GetPointSize();
if (psize < 63.0f)
apart->GetProperty()->SetPointSize(psize + 1.0f);
}
}
break;
}
case 45: // KEY_MINUS
{
if (alt)
zoomOut();
else
{
vtkSmartPointer<vtkActorCollection> ac = CurrentRenderer->GetActors();
vtkCollectionSimpleIterator ait;
for (ac->InitTraversal(ait); vtkActor* actor = ac->GetNextActor(ait); )
for (actor->InitPathTraversal(); vtkAssemblyPath* path = actor->GetNextPath(); )
{
vtkActor* apart = vtkActor::SafeDownCast(path->GetLastNode()->GetViewProp());
float psize = apart->GetProperty()->GetPointSize();
if (psize > 1.0f)
apart->GetProperty()->SetPointSize(psize - 1.0f);
}
}
break;
}
// Switch between maximize and original window size
case 'f': case 'F':
{
if (alt)
{
Vec2i screen_size(Interactor->GetRenderWindow()->GetScreenSize());
Vec2i win_size(Interactor->GetRenderWindow()->GetSize());
// Is window size = max?
if (win_size == max_win_size_)
{
Interactor->GetRenderWindow()->SetSize(win_size_.val);
Interactor->GetRenderWindow()->SetPosition(win_pos_.val);
Interactor->GetRenderWindow()->Render();
Interactor->Render();
}
// Set to max
else
{
win_pos_ = Vec2i(Interactor->GetRenderWindow()->GetPosition());
win_size_ = win_size;
Interactor->GetRenderWindow()->SetSize(screen_size.val);
Interactor->GetRenderWindow()->Render();
Interactor->Render();
max_win_size_ = Vec2i(Interactor->GetRenderWindow()->GetSize());
}
}
else
{
AnimState = VTKIS_ANIM_ON;
Interactor->GetPicker()->Pick(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1], 0.0, CurrentRenderer);
vtkSmartPointer<vtkAbstractPropPicker> picker = vtkAbstractPropPicker::SafeDownCast(Interactor->GetPicker());
if (picker)
if (picker->GetPath())
Interactor->FlyTo(CurrentRenderer, picker->GetPickPosition());
AnimState = VTKIS_ANIM_OFF;
}
break;
}
// 's'/'S' w/out ALT
case 's': case 'S':
{
if (alt)
{
vtkSmartPointer<vtkRenderWindow> window = Interactor->GetRenderWindow();
if (!window->GetStereoRender())
{
static Vec2i red_blue(4, 3), magenta_green(2, 5);
window->SetAnaglyphColorMask (stereo_anaglyph_mask_default_ ? red_blue.val : magenta_green.val);
stereo_anaglyph_mask_default_ = !stereo_anaglyph_mask_default_;
}
window->SetStereoRender(!window->GetStereoRender());
Interactor->Render();
}
else
Superclass::OnKeyDown();
break;
}
case 'o': case 'O':
{
vtkSmartPointer<vtkCamera> cam = CurrentRenderer->GetActiveCamera();
cam->SetParallelProjection(!cam->GetParallelProjection());
CurrentRenderer->Render();
break;
}
// Overwrite the camera reset
case 'r': case 'R':
{
if (!alt)
{
Superclass::OnKeyDown();
break;
}
WidgetActorMap::iterator it = widget_actor_map_->begin();
// it might be that some actors don't have a valid transformation set -> we skip them to avoid a seg fault.
for (; it != widget_actor_map_->end(); ++it)
{
vtkProp3D * actor = vtkProp3D::SafeDownCast(it->second);
if (actor && actor->GetUserMatrix())
break;
}
vtkSmartPointer<vtkCamera> cam = CurrentRenderer->GetActiveCamera();
// if a valid transformation was found, use it otherwise fall back to default view point.
if (it != widget_actor_map_->end())
{
vtkMatrix4x4* m = vtkProp3D::SafeDownCast(it->second)->GetUserMatrix();
cam->SetFocalPoint(m->GetElement(0, 3) - m->GetElement(0, 2),
m->GetElement(1, 3) - m->GetElement(1, 2),
m->GetElement(2, 3) - m->GetElement(2, 2));
cam->SetViewUp (m->GetElement(0, 1), m->GetElement(1, 1), m->GetElement(2, 1));
cam->SetPosition(m->GetElement(0, 3), m->GetElement(1, 3), m->GetElement(2, 3));
}
else
{
cam->SetPosition(0, 0, 0);
cam->SetFocalPoint(0, 0, 1);
cam->SetViewUp(0, -1, 0);
}
// go to the next actor for the next key-press event.
if (it != widget_actor_map_->end())
++it;
else
it = widget_actor_map_->begin();
CurrentRenderer->SetActiveCamera(cam);
CurrentRenderer->ResetCameraClippingRange();
CurrentRenderer->Render();
break;
}
case 'q': case 'Q':
{
Interactor->ExitCallback();
return;
}
default:
{
Superclass::OnKeyDown();
break;
}
}
KeyboardEvent event(KeyboardEvent::KEY_DOWN, Interactor->GetKeySym(), Interactor->GetKeyCode(), getModifiers());
if (keyboardCallback_)
keyboardCallback_(event, keyboard_callback_cookie_);
Interactor->Render();
}
void vtkInteractorStyleQuench::OnMouseWheelForward()
{
FindPokedRenderer(Interactor->GetEventPosition()[0], Interactor->GetEventPosition()[1]);
_volViz->MoveActiveImage( 1);
NotifyAllListeners(PEvent ( new Event(UPDATE_SURFACE_MODE_GEOMETRY) ));
}
void
pcl::visualization::PCLVisualizerInteractorStyle::OnKeyDown ()
{
if (!init_)
{
pcl::console::print_error ("[PCLVisualizerInteractorStyle] Interactor style not initialized. Please call Initialize () before continuing.\n");
return;
}
if (!rens_)
{
pcl::console::print_error ("[PCLVisualizerInteractorStyle] No renderer collection given! Use SetRendererCollection () before continuing.\n");
return;
}
FindPokedRenderer (Interactor->GetEventPosition ()[0], Interactor->GetEventPosition ()[1]);
if (wif_->GetInput () == NULL)
{
wif_->SetInput (Interactor->GetRenderWindow ());
wif_->Modified ();
snapshot_writer_->Modified ();
}
// Save the initial windows width/height
if (win_height_ == -1 || win_width_ == -1)
{
int *win_size = Interactor->GetRenderWindow ()->GetSize ();
win_height_ = win_size[0];
win_width_ = win_size[1];
}
// Get the status of special keys (Cltr+Alt+Shift)
bool shift = Interactor->GetShiftKey ();
bool ctrl = Interactor->GetControlKey ();
bool alt = Interactor->GetAltKey ();
bool keymod = false;
switch (modifier_)
{
case INTERACTOR_KB_MOD_ALT:
{
keymod = alt;
break;
}
case INTERACTOR_KB_MOD_CTRL:
{
keymod = ctrl;
break;
}
case INTERACTOR_KB_MOD_SHIFT:
{
keymod = shift;
break;
}
}
// ---[ Check the rest of the key codes
// Switch between point color/geometry handlers
if (Interactor->GetKeySym () && Interactor->GetKeySym ()[0] >= '0' && Interactor->GetKeySym ()[0] <= '9')
{
CloudActorMap::iterator it;
int index = Interactor->GetKeySym ()[0] - '0' - 1;
if (index == -1) index = 9;
// Add 10 more for CTRL+0..9 keys
if (ctrl)
index += 10;
// Geometry ?
if (keymod)
{
for (it = actors_->begin (); it != actors_->end (); ++it)
{
CloudActor *act = &(*it).second;
if (index >= static_cast<int> (act->geometry_handlers.size ()))
continue;
// Save the geometry handler index for later usage
act->geometry_handler_index_ = index;
// Create the new geometry
PointCloudGeometryHandler<sensor_msgs::PointCloud2>::ConstPtr geometry_handler = act->geometry_handlers[index];
// Use the handler to obtain the geometry
vtkSmartPointer<vtkPoints> points;
geometry_handler->getGeometry (points);
// Set the vertices
vtkSmartPointer<vtkCellArray> vertices = vtkSmartPointer<vtkCellArray>::New ();
for (vtkIdType i = 0; i < static_cast<vtkIdType> (points->GetNumberOfPoints ()); ++i)
vertices->InsertNextCell (static_cast<vtkIdType>(1), &i);
// Create the data
vtkSmartPointer<vtkPolyData> data = vtkSmartPointer<vtkPolyData>::New ();
data->SetPoints (points);
data->SetVerts (vertices);
// Modify the mapper
if (use_vbos_)
{
vtkVertexBufferObjectMapper* mapper = static_cast<vtkVertexBufferObjectMapper*>(act->actor->GetMapper ());
mapper->SetInput (data);
// Modify the actor
act->actor->SetMapper (mapper);
}
else
{
vtkPolyDataMapper* mapper = static_cast<vtkPolyDataMapper*>(act->actor->GetMapper ());
mapper->SetInput (data);
// Modify the actor
act->actor->SetMapper (mapper);
}
act->actor->Modified ();
}
}
else
{
for (it = actors_->begin (); it != actors_->end (); ++it)
{
CloudActor *act = &(*it).second;
// Check for out of bounds
if (index >= static_cast<int> (act->color_handlers.size ()))
continue;
// Save the color handler index for later usage
act->color_handler_index_ = index;
// Get the new color
PointCloudColorHandler<sensor_msgs::PointCloud2>::ConstPtr color_handler = act->color_handlers[index];
vtkSmartPointer<vtkDataArray> scalars;
color_handler->getColor (scalars);
double minmax[2];
scalars->GetRange (minmax);
// Update the data
vtkPolyData *data = static_cast<vtkPolyData*>(act->actor->GetMapper ()->GetInput ());
data->GetPointData ()->SetScalars (scalars);
data->Update ();
// Modify the mapper
if (use_vbos_)
{
vtkVertexBufferObjectMapper* mapper = static_cast<vtkVertexBufferObjectMapper*>(act->actor->GetMapper ());
mapper->SetScalarRange (minmax);
mapper->SetScalarModeToUsePointData ();
mapper->SetInput (data);
// Modify the actor
act->actor->SetMapper (mapper);
}
else
{
vtkPolyDataMapper* mapper = static_cast<vtkPolyDataMapper*>(act->actor->GetMapper ());
mapper->SetScalarRange (minmax);
mapper->SetScalarModeToUsePointData ();
mapper->SetInput (data);
// Modify the actor
act->actor->SetMapper (mapper);
}
act->actor->Modified ();
}
}
Interactor->Render ();
return;
}
std::string key (Interactor->GetKeySym ());
if (key.find ("XF86ZoomIn") != std::string::npos)
zoomIn ();
else if (key.find ("XF86ZoomOut") != std::string::npos)
zoomOut ();
switch (Interactor->GetKeyCode ())
{
case 'h': case 'H':
{
pcl::console::print_info ("| Help:\n"
"-------\n"
" p, P : switch to a point-based representation\n"
" w, W : switch to a wireframe-based representation (where available)\n"
" s, S : switch to a surface-based representation (where available)\n"
"\n"
" j, J : take a .PNG snapshot of the current window view\n"
" c, C : display current camera/window parameters\n"
" f, F : fly to point mode\n"
"\n"
" e, E : exit the interactor\n"
" q, Q : stop and call VTK's TerminateApp\n"
"\n"
" +/- : increment/decrement overall point size\n"
" +/- [+ ALT] : zoom in/out \n"
"\n"
" g, G : display scale grid (on/off)\n"
" u, U : display lookup table (on/off)\n"
"\n"
" r, R [+ ALT] : reset camera [to viewpoint = {0, 0, 0} -> center_{x, y, z}]\n"
"\n"
" ALT + s, S : turn stereo mode on/off\n"
" ALT + f, F : switch between maximized window mode and original size\n"
"\n"
" l, L : list all available geometric and color handlers for the current actor map\n"
" ALT + 0..9 [+ CTRL] : switch between different geometric handlers (where available)\n"
" 0..9 [+ CTRL] : switch between different color handlers (where available)\n"
"\n"
" SHIFT + left click : select a point\n"
);
break;
}
// Get the list of available handlers
case 'l': case 'L':
{
// Iterate over the entire actors list and extract the geomotry/color handlers list
for (CloudActorMap::iterator it = actors_->begin (); it != actors_->end (); ++it)
{
std::list<std::string> geometry_handlers_list, color_handlers_list;
CloudActor *act = &(*it).second;
for (size_t i = 0; i < act->geometry_handlers.size (); ++i)
geometry_handlers_list.push_back (act->geometry_handlers[i]->getFieldName ());
for (size_t i = 0; i < act->color_handlers.size (); ++i)
color_handlers_list.push_back (act->color_handlers[i]->getFieldName ());
if (!geometry_handlers_list.empty ())
{
int i = 0;
pcl::console::print_info ("List of available geometry handlers for actor "); pcl::console::print_value ("%s: ", (*it).first.c_str ());
for (std::list<std::string>::iterator git = geometry_handlers_list.begin (); git != geometry_handlers_list.end (); ++git)
pcl::console::print_value ("%s(%d) ", (*git).c_str (), ++i);
pcl::console::print_info ("\n");
}
if (!color_handlers_list.empty ())
{
int i = 0;
pcl::console::print_info ("List of available color handlers for actor "); pcl::console::print_value ("%s: ", (*it).first.c_str ());
for (std::list<std::string>::iterator cit = color_handlers_list.begin (); cit != color_handlers_list.end (); ++cit)
pcl::console::print_value ("%s(%d) ", (*cit).c_str (), ++i);
pcl::console::print_info ("\n");
}
}
break;
}
// Switch representation to points
case 'p': case 'P':
{
vtkSmartPointer<vtkActorCollection> ac = CurrentRenderer->GetActors ();
vtkCollectionSimpleIterator ait;
for (ac->InitTraversal (ait); vtkActor* actor = ac->GetNextActor (ait); )
{
for (actor->InitPathTraversal (); vtkAssemblyPath* path = actor->GetNextPath (); )
{
vtkSmartPointer<vtkActor> apart = reinterpret_cast <vtkActor*> (path->GetLastNode ()->GetViewProp ());
apart->GetProperty ()->SetRepresentationToPoints ();
}
}
break;
}
// Save a PNG snapshot with the current screen
case 'j': case 'J':
{
char cam_fn[80], snapshot_fn[80];
unsigned t = static_cast<unsigned> (time (0));
sprintf (snapshot_fn, "screenshot-%d.png" , t);
saveScreenshot (snapshot_fn);
sprintf (cam_fn, "screenshot-%d.cam", t);
ofstream ofs_cam;
ofs_cam.open (cam_fn);
vtkSmartPointer<vtkCamera> cam = Interactor->GetRenderWindow ()->GetRenderers ()->GetFirstRenderer ()->GetActiveCamera ();
double clip[2], focal[3], pos[3], view[3];
cam->GetClippingRange (clip);
cam->GetFocalPoint (focal);
cam->GetPosition (pos);
cam->GetViewUp (view);
int *win_pos = Interactor->GetRenderWindow ()->GetPosition ();
int *win_size = Interactor->GetRenderWindow ()->GetSize ();
ofs_cam << clip[0] << "," << clip[1] << "/" << focal[0] << "," << focal[1] << "," << focal[2] << "/" <<
pos[0] << "," << pos[1] << "," << pos[2] << "/" << view[0] << "," << view[1] << "," << view[2] << "/" <<
cam->GetViewAngle () / 180.0 * M_PI << "/" << win_size[0] << "," << win_size[1] << "/" << win_pos[0] << "," << win_pos[1]
<< endl;
ofs_cam.close ();
pcl::console::print_info ("Screenshot (%s) and camera information (%s) successfully captured.\n", snapshot_fn, cam_fn);
break;
}
// display current camera settings/parameters
case 'c': case 'C':
{
vtkSmartPointer<vtkCamera> cam = Interactor->GetRenderWindow ()->GetRenderers ()->GetFirstRenderer ()->GetActiveCamera ();
double clip[2], focal[3], pos[3], view[3];
cam->GetClippingRange (clip);
cam->GetFocalPoint (focal);
cam->GetPosition (pos);
cam->GetViewUp (view);
int *win_pos = Interactor->GetRenderWindow ()->GetPosition ();
int *win_size = Interactor->GetRenderWindow ()->GetSize ();
std::cerr << clip[0] << "," << clip[1] << "/" << focal[0] << "," << focal[1] << "," << focal[2] << "/" <<
pos[0] << "," << pos[1] << "," << pos[2] << "/" << view[0] << "," << view[1] << "," << view[2] << "/" <<
cam->GetViewAngle () / 180.0 * M_PI << "/" << win_size[0] << "," << win_size[1] << "/" << win_pos[0] << "," << win_pos[1]
<< endl;
break;
}
case '=':
{
zoomIn();
break;
}
case 43: // KEY_PLUS
{
if(alt)
zoomIn ();
else
{
vtkSmartPointer<vtkActorCollection> ac = CurrentRenderer->GetActors ();
vtkCollectionSimpleIterator ait;
for (ac->InitTraversal (ait); vtkActor* actor = ac->GetNextActor (ait); )
{
for (actor->InitPathTraversal (); vtkAssemblyPath* path = actor->GetNextPath (); )
{
vtkSmartPointer<vtkActor> apart = reinterpret_cast <vtkActor*> (path->GetLastNode ()->GetViewProp ());
float psize = apart->GetProperty ()->GetPointSize ();
if (psize < 63.0f)
apart->GetProperty ()->SetPointSize (psize + 1.0f);
}
}
}
break;
}
case 45: // KEY_MINUS
{
if(alt)
zoomOut ();
else
{
vtkSmartPointer<vtkActorCollection> ac = CurrentRenderer->GetActors ();
vtkCollectionSimpleIterator ait;
for (ac->InitTraversal (ait); vtkActor* actor = ac->GetNextActor (ait); )
{
for (actor->InitPathTraversal (); vtkAssemblyPath* path = actor->GetNextPath (); )
{
vtkSmartPointer<vtkActor> apart = static_cast<vtkActor*> (path->GetLastNode ()->GetViewProp ());
float psize = apart->GetProperty ()->GetPointSize ();
if (psize > 1.0f)
apart->GetProperty ()->SetPointSize (psize - 1.0f);
}
}
}
break;
}
// Switch between maximize and original window size
case 'f': case 'F':
{
if (keymod)
{
// Get screen size
int *temp = Interactor->GetRenderWindow ()->GetScreenSize ();
int scr_size[2]; scr_size[0] = temp[0]; scr_size[1] = temp[1];
// Get window size
temp = Interactor->GetRenderWindow ()->GetSize ();
int win_size[2]; win_size[0] = temp[0]; win_size[1] = temp[1];
// Is window size = max?
if (win_size[0] == max_win_height_ && win_size[1] == max_win_width_)
{
// Set the previously saved 'current' window size
Interactor->GetRenderWindow ()->SetSize (win_height_, win_width_);
// Set the previously saved window position
Interactor->GetRenderWindow ()->SetPosition (win_pos_x_, win_pos_y_);
Interactor->GetRenderWindow ()->Render ();
Interactor->Render ();
}
// Set to max
else
{
int *win_pos = Interactor->GetRenderWindow ()->GetPosition ();
// Save the current window position
win_pos_x_ = win_pos[0];
win_pos_y_ = win_pos[1];
// Save the current window size
win_height_ = win_size[0];
win_width_ = win_size[1];
// Set the maximum window size
Interactor->GetRenderWindow ()->SetSize (scr_size[0], scr_size[1]);
Interactor->GetRenderWindow ()->Render ();
Interactor->Render ();
int *win_size = Interactor->GetRenderWindow ()->GetSize ();
// Save the maximum window size
max_win_height_ = win_size[0];
max_win_width_ = win_size[1];
}
}
else
{
AnimState = VTKIS_ANIM_ON;
vtkAssemblyPath *path = NULL;
Interactor->GetPicker ()->Pick (Interactor->GetEventPosition ()[0], Interactor->GetEventPosition ()[1], 0.0, CurrentRenderer);
vtkAbstractPropPicker *picker;
if ((picker = vtkAbstractPropPicker::SafeDownCast (Interactor->GetPicker ())))
path = picker->GetPath ();
if (path != NULL)
Interactor->FlyTo (CurrentRenderer, picker->GetPickPosition ());
AnimState = VTKIS_ANIM_OFF;
}
break;
}
// 's'/'S' w/out ALT
case 's': case 'S':
{
if (keymod)
{
int stereo_render = Interactor->GetRenderWindow ()->GetStereoRender ();
if (!stereo_render)
{
if (stereo_anaglyph_mask_default_)
{
Interactor->GetRenderWindow ()->SetAnaglyphColorMask (4, 3);
stereo_anaglyph_mask_default_ = false;
}
else
{
Interactor->GetRenderWindow ()->SetAnaglyphColorMask (2, 5);
stereo_anaglyph_mask_default_ = true;
}
}
Interactor->GetRenderWindow ()->SetStereoRender (!stereo_render);
Interactor->GetRenderWindow ()->Render ();
Interactor->Render ();
}
else
Superclass::OnKeyDown ();
break;
}
// Display a grid/scale over the screen
case 'g': case 'G':
{
if (!grid_enabled_)
{
grid_actor_->TopAxisVisibilityOn ();
CurrentRenderer->AddViewProp (grid_actor_);
grid_enabled_ = true;
}
else
{
CurrentRenderer->RemoveViewProp (grid_actor_);
grid_enabled_ = false;
}
break;
}
case 'o': case 'O':
{
vtkSmartPointer<vtkCamera> cam = CurrentRenderer->GetActiveCamera ();
int flag = cam->GetParallelProjection ();
cam->SetParallelProjection (!flag);
CurrentRenderer->SetActiveCamera (cam);
CurrentRenderer->Render ();
break;
}
// Display a LUT actor on screen
case 'u': case 'U':
{
CloudActorMap::iterator it;
for (it = actors_->begin (); it != actors_->end (); ++it)
{
CloudActor *act = &(*it).second;
vtkScalarsToColors* lut = act->actor->GetMapper ()->GetLookupTable ();
lut_actor_->SetLookupTable (lut);
lut_actor_->Modified ();
}
if (!lut_enabled_)
{
CurrentRenderer->AddActor (lut_actor_);
lut_actor_->SetVisibility (true);
lut_enabled_ = true;
}
else
{
CurrentRenderer->RemoveActor (lut_actor_);
lut_enabled_ = false;
}
CurrentRenderer->Render ();
break;
}
// Overwrite the camera reset
case 'r': case 'R':
{
if (!keymod)
{
Superclass::OnKeyDown ();
break;
}
vtkSmartPointer<vtkCamera> cam = CurrentRenderer->GetActiveCamera ();
static CloudActorMap::iterator it = actors_->begin ();
// it might be that some actors don't have a valid transformation set -> we skip them to avoid a seg fault.
bool found_transformation = false;
for (unsigned idx = 0; idx < actors_->size (); ++idx, ++it)
{
if (it == actors_->end ())
it = actors_->begin ();
const CloudActor& actor = it->second;
if (actor.viewpoint_transformation_.GetPointer ())
{
found_transformation = true;
break;
}
}
// if a valid transformation was found, use it otherwise fall back to default view point.
if (found_transformation)
{
const CloudActor& actor = it->second;
cam->SetPosition (actor.viewpoint_transformation_->GetElement (0, 3),
actor.viewpoint_transformation_->GetElement (1, 3),
actor.viewpoint_transformation_->GetElement (2, 3));
cam->SetFocalPoint (actor.viewpoint_transformation_->GetElement (0, 3) - actor.viewpoint_transformation_->GetElement (0, 2),
actor.viewpoint_transformation_->GetElement (1, 3) - actor.viewpoint_transformation_->GetElement (1, 2),
actor.viewpoint_transformation_->GetElement (2, 3) - actor.viewpoint_transformation_->GetElement (2, 2));
cam->SetViewUp (actor.viewpoint_transformation_->GetElement (0, 1),
actor.viewpoint_transformation_->GetElement (1, 1),
actor.viewpoint_transformation_->GetElement (2, 1));
}
else
{
cam->SetPosition (0, 0, 0);
cam->SetFocalPoint (0, 0, 1);
cam->SetViewUp (0, -1, 0);
}
// go to the next actor for the next key-press event.
if (it != actors_->end ())
++it;
else
it = actors_->begin ();
CurrentRenderer->SetActiveCamera (cam);
CurrentRenderer->ResetCameraClippingRange ();
CurrentRenderer->Render ();
break;
}
case 'q': case 'Q':
{
Interactor->ExitCallback ();
return;
}
default:
{
Superclass::OnKeyDown ();
break;
}
}
KeyboardEvent event (true, Interactor->GetKeySym (), Interactor->GetKeyCode (), Interactor->GetAltKey (), Interactor->GetControlKey (), Interactor->GetShiftKey ());
keyboard_signal_ (event);
rens_->Render ();
Interactor->Render ();
}
void
pcl::visualization::PCLVisualizerInteractorStyle::OnChar ()
{
// Make sure we ignore the same events we handle in OnKeyDown to avoid calling things twice
FindPokedRenderer (Interactor->GetEventPosition ()[0], Interactor->GetEventPosition ()[1]);
if (Interactor->GetKeyCode () >= '0' && Interactor->GetKeyCode () <= '9')
return;
std::string key (Interactor->GetKeySym ());
if (key.find ("XF86ZoomIn") != std::string::npos)
zoomIn ();
else if (key.find ("XF86ZoomOut") != std::string::npos)
zoomOut ();
bool keymod = false;
switch (modifier_)
{
case INTERACTOR_KB_MOD_ALT:
{
keymod = Interactor->GetAltKey ();
break;
}
case INTERACTOR_KB_MOD_CTRL:
{
keymod = Interactor->GetControlKey ();
break;
}
case INTERACTOR_KB_MOD_SHIFT:
{
keymod = Interactor->GetShiftKey ();
break;
}
}
switch (Interactor->GetKeyCode ())
{
// All of the options below simply exit
case 'h': case 'H':
case 'l': case 'L':
case 'p': case 'P':
case 'j': case 'J':
case 'c': case 'C':
case 43: // KEY_PLUS
case 45: // KEY_MINUS
case 'f': case 'F':
case 'g': case 'G':
case 'o': case 'O':
case 'u': case 'U':
case 'q': case 'Q':
{
break;
}
// S and R have a special !ALT case
case 'r': case 'R':
case 's': case 'S':
{
if (!keymod)
Superclass::OnChar ();
break;
}
default:
{
Superclass::OnChar ();
break;
}
}
}