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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImplicitPlaneWidget.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkImplicitPlaneWidget.h"
#include "vtkActor.h"
#include "vtkAssemblyNode.h"
#include "vtkAssemblyPath.h"
#include "vtkCallbackCommand.h"
#include "vtkCamera.h"
#include "vtkCellPicker.h"
#include "vtkConeSource.h"
#include "vtkCutter.h"
#include "vtkFeatureEdges.h"
#include "vtkImageData.h"
#include "vtkLineSource.h"
#include "vtkMath.h"
#include "vtkObjectFactory.h"
#include "vtkOutlineFilter.h"
#include "vtkPlane.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkProperty.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSphereSource.h"
#include "vtkTransform.h"
#include "vtkTubeFilter.h"
vtkStandardNewMacro(vtkImplicitPlaneWidget);
//----------------------------------------------------------------------------
vtkImplicitPlaneWidget::vtkImplicitPlaneWidget() : vtkPolyDataSourceWidget()
{
this->DiagonalRatio = 0.3;
this->State = vtkImplicitPlaneWidget::Start;
this->EventCallbackCommand->SetCallback(vtkImplicitPlaneWidget::ProcessEvents);
this->NormalToXAxis = 0;
this->NormalToYAxis = 0;
this->NormalToZAxis = 0;
// Build the representation of the widget
//
this->Plane = vtkPlane::New();
this->Plane->SetNormal(0,0,1);
this->Plane->SetOrigin(0,0,0);
this->Box = vtkImageData::New();
this->Box->SetDimensions(2,2,2);
this->Outline = vtkOutlineFilter::New();
this->Outline->SetInput(this->Box);
this->OutlineMapper = vtkPolyDataMapper::New();
this->OutlineMapper->SetInput(this->Outline->GetOutput());
this->OutlineActor = vtkActor::New();
this->OutlineActor->SetMapper(this->OutlineMapper);
this->OutlineTranslation = 1;
this->ScaleEnabled = 1;
this->OutsideBounds = 1;
this->Cutter = vtkCutter::New();
this->Cutter->SetInput(this->Box);
this->Cutter->SetCutFunction(this->Plane);
this->CutMapper = vtkPolyDataMapper::New();
this->CutMapper->SetInput(this->Cutter->GetOutput());
this->CutActor = vtkActor::New();
this->CutActor->SetMapper(this->CutMapper);
this->DrawPlane = 1;
this->Edges = vtkFeatureEdges::New();
this->Edges->SetInput(this->Cutter->GetOutput());
this->EdgesTuber = vtkTubeFilter::New();
this->EdgesTuber->SetInput(this->Edges->GetOutput());
this->EdgesTuber->SetNumberOfSides(12);
this->EdgesMapper = vtkPolyDataMapper::New();
this->EdgesMapper->SetInput(this->EdgesTuber->GetOutput());
this->EdgesActor = vtkActor::New();
this->EdgesActor->SetMapper(this->EdgesMapper);
this->Tubing = 1; //control whether tubing is on
// Create the + plane normal
this->LineSource = vtkLineSource::New();
this->LineSource->SetResolution(1);
this->LineMapper = vtkPolyDataMapper::New();
this->LineMapper->SetInput(this->LineSource->GetOutput());
this->LineActor = vtkActor::New();
this->LineActor->SetMapper(this->LineMapper);
this->ConeSource = vtkConeSource::New();
this->ConeSource->SetResolution(12);
this->ConeSource->SetAngle(25.0);
this->ConeMapper = vtkPolyDataMapper::New();
this->ConeMapper->SetInput(this->ConeSource->GetOutput());
this->ConeActor = vtkActor::New();
this->ConeActor->SetMapper(this->ConeMapper);
// Create the - plane normal
this->LineSource2 = vtkLineSource::New();
this->LineSource2->SetResolution(1);
this->LineMapper2 = vtkPolyDataMapper::New();
this->LineMapper2->SetInput(this->LineSource2->GetOutput());
this->LineActor2 = vtkActor::New();
this->LineActor2->SetMapper(this->LineMapper2);
this->ConeSource2 = vtkConeSource::New();
this->ConeSource2->SetResolution(12);
this->ConeSource2->SetAngle(25.0);
this->ConeMapper2 = vtkPolyDataMapper::New();
this->ConeMapper2->SetInput(this->ConeSource2->GetOutput());
this->ConeActor2 = vtkActor::New();
this->ConeActor2->SetMapper(this->ConeMapper2);
// Create the origin handle
this->Sphere = vtkSphereSource::New();
this->Sphere->SetThetaResolution(16);
this->Sphere->SetPhiResolution(8);
this->SphereMapper = vtkPolyDataMapper::New();
this->SphereMapper->SetInput(this->Sphere->GetOutput());
this->SphereActor = vtkActor::New();
this->SphereActor->SetMapper(this->SphereMapper);
this->OriginTranslation = 1;
this->Transform = vtkTransform::New();
// Define the point coordinates
double bounds[6];
bounds[0] = -0.5;
bounds[1] = 0.5;
bounds[2] = -0.5;
bounds[3] = 0.5;
bounds[4] = -0.5;
bounds[5] = 0.5;
// Initial creation of the widget, serves to initialize it
this->PlaceWidget(bounds);
//Manage the picking stuff
this->Picker = vtkCellPicker::New();
this->Picker->SetTolerance(0.005);
this->Picker->AddPickList(this->CutActor);
this->Picker->AddPickList(this->LineActor);
this->Picker->AddPickList(this->ConeActor);
this->Picker->AddPickList(this->LineActor2);
this->Picker->AddPickList(this->ConeActor2);
this->Picker->AddPickList(this->SphereActor);
this->Picker->AddPickList(this->OutlineActor);
this->Picker->PickFromListOn();
// Set up the initial properties
this->CreateDefaultProperties();
}
//----------------------------------------------------------------------------
vtkImplicitPlaneWidget::~vtkImplicitPlaneWidget()
{
this->Plane->Delete();
this->Box->Delete();
this->Outline->Delete();
this->OutlineMapper->Delete();
this->OutlineActor->Delete();
this->Cutter->Delete();
this->CutMapper->Delete();
this->CutActor->Delete();
this->Edges->Delete();
this->EdgesTuber->Delete();
this->EdgesMapper->Delete();
this->EdgesActor->Delete();
this->LineSource->Delete();
this->LineMapper->Delete();
this->LineActor->Delete();
this->ConeSource->Delete();
this->ConeMapper->Delete();
this->ConeActor->Delete();
this->LineSource2->Delete();
this->LineMapper2->Delete();
this->LineActor2->Delete();
this->ConeSource2->Delete();
this->ConeMapper2->Delete();
this->ConeActor2->Delete();
this->Sphere->Delete();
this->SphereMapper->Delete();
this->SphereActor->Delete();
this->Transform->Delete();
this->Picker->Delete();
this->NormalProperty->Delete();
this->SelectedNormalProperty->Delete();
this->PlaneProperty->Delete();
this->SelectedPlaneProperty->Delete();
this->OutlineProperty->Delete();
this->SelectedOutlineProperty->Delete();
this->EdgesProperty->Delete();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::SetEnabled(int enabling)
{
if ( ! this->Interactor )
{
vtkErrorMacro(<<"The interactor must be set prior to enabling/disabling widget");
return;
}
if ( enabling ) //------------------------------------------------------------
{
vtkDebugMacro(<<"Enabling plane widget");
if ( this->Enabled ) //already enabled, just return
{
return;
}
if ( ! this->CurrentRenderer )
{
this->SetCurrentRenderer(this->Interactor->FindPokedRenderer(
this->Interactor->GetLastEventPosition()[0],
this->Interactor->GetLastEventPosition()[1]));
if (this->CurrentRenderer == NULL)
{
return;
}
}
this->Enabled = 1;
// listen for the following events
vtkRenderWindowInteractor *i = this->Interactor;
i->AddObserver(vtkCommand::MouseMoveEvent, this->EventCallbackCommand,
this->Priority);
i->AddObserver(vtkCommand::LeftButtonPressEvent,
this->EventCallbackCommand, this->Priority);
i->AddObserver(vtkCommand::LeftButtonReleaseEvent,
this->EventCallbackCommand, this->Priority);
i->AddObserver(vtkCommand::MiddleButtonPressEvent,
this->EventCallbackCommand, this->Priority);
i->AddObserver(vtkCommand::MiddleButtonReleaseEvent,
this->EventCallbackCommand, this->Priority);
i->AddObserver(vtkCommand::RightButtonPressEvent,
this->EventCallbackCommand, this->Priority);
i->AddObserver(vtkCommand::RightButtonReleaseEvent,
this->EventCallbackCommand, this->Priority);
// add the outline
this->CurrentRenderer->AddActor(this->OutlineActor);
this->OutlineActor->SetProperty(this->OutlineProperty);
// add the edges
this->CurrentRenderer->AddActor(this->EdgesActor);
this->EdgesActor->SetProperty(this->EdgesProperty);
// add the normal vector
this->CurrentRenderer->AddActor(this->LineActor);
this->LineActor->SetProperty(this->NormalProperty);
this->CurrentRenderer->AddActor(this->ConeActor);
this->ConeActor->SetProperty(this->NormalProperty);
this->CurrentRenderer->AddActor(this->LineActor2);
this->LineActor2->SetProperty(this->NormalProperty);
this->CurrentRenderer->AddActor(this->ConeActor2);
this->ConeActor2->SetProperty(this->NormalProperty);
// add the origin handle
this->CurrentRenderer->AddActor(this->SphereActor);
this->SphereActor->SetProperty(this->NormalProperty);
// add the plane (if desired)
if ( this->DrawPlane )
{
this->CurrentRenderer->AddActor(this->CutActor);
}
this->CutActor->SetProperty(this->PlaneProperty);
this->UpdateRepresentation();
this->SizeHandles();
this->InvokeEvent(vtkCommand::EnableEvent,NULL);
}
else //disabling----------------------------------------------------------
{
vtkDebugMacro(<<"Disabling plane widget");
if ( ! this->Enabled ) //already disabled, just return
{
return;
}
this->Enabled = 0;
// don't listen for events any more
this->Interactor->RemoveObserver(this->EventCallbackCommand);
// turn off the various actors
this->CurrentRenderer->RemoveActor(this->OutlineActor);
this->CurrentRenderer->RemoveActor(this->EdgesActor);
this->CurrentRenderer->RemoveActor(this->LineActor);
this->CurrentRenderer->RemoveActor(this->ConeActor);
this->CurrentRenderer->RemoveActor(this->LineActor2);
this->CurrentRenderer->RemoveActor(this->ConeActor2);
this->CurrentRenderer->RemoveActor(this->SphereActor);
this->CurrentRenderer->RemoveActor(this->CutActor);
this->InvokeEvent(vtkCommand::DisableEvent,NULL);
this->SetCurrentRenderer(NULL);
}
this->Interactor->Render();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::ProcessEvents(vtkObject* vtkNotUsed(object),
unsigned long event,
void* clientdata,
void* vtkNotUsed(calldata))
{
vtkImplicitPlaneWidget* self =
reinterpret_cast<vtkImplicitPlaneWidget *>( clientdata );
//okay, let's do the right thing
switch(event)
{
case vtkCommand::LeftButtonPressEvent:
self->OnLeftButtonDown();
break;
case vtkCommand::LeftButtonReleaseEvent:
self->OnLeftButtonUp();
break;
case vtkCommand::MiddleButtonPressEvent:
self->OnMiddleButtonDown();
break;
case vtkCommand::MiddleButtonReleaseEvent:
self->OnMiddleButtonUp();
break;
case vtkCommand::RightButtonPressEvent:
self->OnRightButtonDown();
break;
case vtkCommand::RightButtonReleaseEvent:
self->OnRightButtonUp();
break;
case vtkCommand::MouseMoveEvent:
self->OnMouseMove();
break;
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
if ( this->NormalProperty )
{
os << indent << "Normal Property: " << this->NormalProperty << "\n";
}
else
{
os << indent << "Normal Property: (none)\n";
}
if ( this->SelectedNormalProperty )
{
os << indent << "Selected Normal Property: "
<< this->SelectedNormalProperty << "\n";
}
else
{
os << indent << "Selected Normal Property: (none)\n";
}
if ( this->PlaneProperty )
{
os << indent << "Plane Property: " << this->PlaneProperty << "\n";
}
else
{
os << indent << "Plane Property: (none)\n";
}
if ( this->SelectedPlaneProperty )
{
os << indent << "Selected Plane Property: "
<< this->SelectedPlaneProperty << "\n";
}
else
{
os << indent << "Selected Plane Property: (none)\n";
}
if ( this->OutlineProperty )
{
os << indent << "Outline Property: " << this->OutlineProperty << "\n";
}
else
{
os << indent << "Outline Property: (none)\n";
}
if ( this->SelectedOutlineProperty )
{
os << indent << "Selected Outline Property: "
<< this->SelectedOutlineProperty << "\n";
}
else
{
os << indent << "Selected Outline Property: (none)\n";
}
if ( this->EdgesProperty )
{
os << indent << "Edges Property: " << this->EdgesProperty << "\n";
}
else
{
os << indent << "Edges Property: (none)\n";
}
os << indent << "Normal To X Axis: "
<< (this->NormalToXAxis ? "On" : "Off") << "\n";
os << indent << "Normal To Y Axis: "
<< (this->NormalToYAxis ? "On" : "Off") << "\n";
os << indent << "Normal To Z Axis: "
<< (this->NormalToZAxis ? "On" : "Off") << "\n";
os << indent << "Tubing: " << (this->Tubing ? "On" : "Off") << "\n";
os << indent << "Origin Translation: "
<< (this->OriginTranslation ? "On" : "Off") << "\n";
os << indent << "Outline Translation: "
<< (this->OutlineTranslation ? "On" : "Off") << "\n";
os << indent << "Outside Bounds: "
<< (this->OutsideBounds ? "On" : "Off") << "\n";
os << indent << "Scale Enabled: "
<< (this->ScaleEnabled ? "On" : "Off") << "\n";
os << indent << "Draw Plane: " << (this->DrawPlane ? "On" : "Off") << "\n";
os << indent << "Diagonal Ratio: " << this->DiagonalRatio << "\n";
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::HighlightNormal(int highlight)
{
if ( highlight )
{
this->LineActor->SetProperty(this->SelectedNormalProperty);
this->ConeActor->SetProperty(this->SelectedNormalProperty);
this->LineActor2->SetProperty(this->SelectedNormalProperty);
this->ConeActor2->SetProperty(this->SelectedNormalProperty);
this->SphereActor->SetProperty(this->SelectedNormalProperty);
}
else
{
this->LineActor->SetProperty(this->NormalProperty);
this->ConeActor->SetProperty(this->NormalProperty);
this->LineActor2->SetProperty(this->NormalProperty);
this->ConeActor2->SetProperty(this->NormalProperty);
this->SphereActor->SetProperty(this->NormalProperty);
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::HighlightPlane(int highlight)
{
if ( highlight )
{
this->CutActor->SetProperty(this->SelectedPlaneProperty);
}
else
{
this->CutActor->SetProperty(this->PlaneProperty);
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::HighlightOutline(int highlight)
{
if ( highlight )
{
this->OutlineActor->SetProperty(this->SelectedOutlineProperty);
}
else
{
this->OutlineActor->SetProperty(this->OutlineProperty);
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::OnLeftButtonDown()
{
// We're only here if we are enabled
int X = this->Interactor->GetEventPosition()[0];
int Y = this->Interactor->GetEventPosition()[1];
// Okay, we can process this. See if we've picked anything.
// Make sure it's in the activated renderer
if (!this->CurrentRenderer || !this->CurrentRenderer->IsInViewport(X, Y))
{
this->State = vtkImplicitPlaneWidget::Outside;
return;
}
vtkAssemblyPath *path;
this->Picker->Pick(X,Y,0.0,this->CurrentRenderer);
path = this->Picker->GetPath();
if ( path == NULL ) //not picking this widget
{
this->HighlightPlane(0);
this->HighlightNormal(0);
this->HighlightOutline(0);
this->State = vtkImplicitPlaneWidget::Outside;
return;
}
vtkProp *prop = path->GetFirstNode()->GetViewProp();
this->ValidPick = 1;
this->Picker->GetPickPosition(this->LastPickPosition);
if ( prop == this->ConeActor || prop == this->LineActor ||
prop == this->ConeActor2 || prop == this->LineActor2 )
{
this->HighlightPlane(1);
this->HighlightNormal(1);
this->State = vtkImplicitPlaneWidget::Rotating;
}
else if ( prop == this->CutActor )
{
this->HighlightPlane(1);
this->State = vtkImplicitPlaneWidget::Pushing;
}
else if ( prop == this->SphereActor )
{
if ( this->OriginTranslation )
{
this->HighlightNormal(1);
this->State = vtkImplicitPlaneWidget::MovingOrigin;
}
else
{
return;
}
}
else
{
if ( this->OutlineTranslation )
{
this->HighlightOutline(1);
this->State = vtkImplicitPlaneWidget::MovingOutline;
}
else
{
return;
}
}
this->EventCallbackCommand->SetAbortFlag(1);
this->StartInteraction();
this->InvokeEvent(vtkCommand::StartInteractionEvent,NULL);
this->Interactor->Render();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::OnLeftButtonUp()
{
if ( this->State == vtkImplicitPlaneWidget::Outside )
{
return;
}
this->State = vtkImplicitPlaneWidget::Start;
this->HighlightPlane(0);
this->HighlightOutline(0);
this->HighlightNormal(0);
this->SizeHandles();
this->EventCallbackCommand->SetAbortFlag(1);
this->EndInteraction();
this->InvokeEvent(vtkCommand::EndInteractionEvent,NULL);
this->Interactor->Render();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::OnMiddleButtonDown()
{
int X = this->Interactor->GetEventPosition()[0];
int Y = this->Interactor->GetEventPosition()[1];
// Okay, we can process this. See if we've picked anything.
// Make sure it's in the activated renderer
if (!this->CurrentRenderer || !this->CurrentRenderer->IsInViewport(X, Y))
{
this->State = vtkImplicitPlaneWidget::Outside;
return;
}
// Okay, we can process this.
vtkAssemblyPath *path;
this->Picker->Pick(X,Y,0.0,this->CurrentRenderer);
path = this->Picker->GetPath();
if ( path == NULL ) //nothing picked
{
this->State = vtkImplicitPlaneWidget::Outside;
return;
}
this->ValidPick = 1;
this->Picker->GetPickPosition(this->LastPickPosition);
this->State = vtkImplicitPlaneWidget::MovingPlane;
this->HighlightNormal(1);
this->HighlightPlane(1);
this->EventCallbackCommand->SetAbortFlag(1);
this->StartInteraction();
this->InvokeEvent(vtkCommand::StartInteractionEvent,NULL);
this->Interactor->Render();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::OnMiddleButtonUp()
{
if ( this->State == vtkImplicitPlaneWidget::Outside )
{
return;
}
this->State = vtkImplicitPlaneWidget::Start;
this->HighlightPlane(0);
this->HighlightOutline(0);
this->HighlightNormal(0);
this->SizeHandles();
this->EventCallbackCommand->SetAbortFlag(1);
this->EndInteraction();
this->InvokeEvent(vtkCommand::EndInteractionEvent,NULL);
this->Interactor->Render();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::OnRightButtonDown()
{
if ( this->ScaleEnabled )
{
this->State = vtkImplicitPlaneWidget::Scaling;
int X = this->Interactor->GetEventPosition()[0];
int Y = this->Interactor->GetEventPosition()[1];
// Okay, we can process this. See if we've picked anything.
// Make sure it's in the activated renderer
if (!this->CurrentRenderer || !this->CurrentRenderer->IsInViewport(X, Y))
{
this->State = vtkImplicitPlaneWidget::Outside;
return;
}
// Okay, we can process this. Try to pick handles first;
// if no handles picked, then pick the bounding box.
vtkAssemblyPath *path;
this->Picker->Pick(X,Y,0.0,this->CurrentRenderer);
path = this->Picker->GetPath();
if ( path == NULL ) //nothing picked
{
this->State = vtkImplicitPlaneWidget::Outside;
return;
}
this->ValidPick = 1;
this->Picker->GetPickPosition(this->LastPickPosition);
this->HighlightPlane(1);
this->HighlightOutline(1);
this->HighlightNormal(1);
this->EventCallbackCommand->SetAbortFlag(1);
this->StartInteraction();
this->InvokeEvent(vtkCommand::StartInteractionEvent,NULL);
this->Interactor->Render();
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::OnRightButtonUp()
{
if ( this->State == vtkImplicitPlaneWidget::Outside )
{
return;
}
this->State = vtkImplicitPlaneWidget::Start;
this->HighlightPlane(0);
this->HighlightOutline(0);
this->HighlightNormal(0);
this->SizeHandles();
this->EventCallbackCommand->SetAbortFlag(1);
this->EndInteraction();
this->InvokeEvent(vtkCommand::EndInteractionEvent,NULL);
this->Interactor->Render();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::OnMouseMove()
{
// See whether we're active
if ( this->State == vtkImplicitPlaneWidget::Outside ||
this->State == vtkImplicitPlaneWidget::Start )
{
return;
}
int X = this->Interactor->GetEventPosition()[0];
int Y = this->Interactor->GetEventPosition()[1];
// Do different things depending on state
// Calculations everybody does
double focalPoint[4], pickPoint[4], prevPickPoint[4];
double z, vpn[3];
vtkCamera *camera = this->CurrentRenderer->GetActiveCamera();
if ( !camera )
{
return;
}
// Compute the two points defining the motion vector
this->ComputeWorldToDisplay(this->LastPickPosition[0], this->LastPickPosition[1],
this->LastPickPosition[2], focalPoint);
z = focalPoint[2];
this->ComputeDisplayToWorld(double(this->Interactor->GetLastEventPosition()[0]),
double(this->Interactor->GetLastEventPosition()[1]),
z, prevPickPoint);
this->ComputeDisplayToWorld(double(X), double(Y), z, pickPoint);
// Process the motion
if ( this->State == vtkImplicitPlaneWidget::MovingPlane )
{
this->TranslatePlane(prevPickPoint, pickPoint);
}
else if ( this->State == vtkImplicitPlaneWidget::MovingOutline )
{
this->TranslateOutline(prevPickPoint, pickPoint);
}
else if ( this->State == vtkImplicitPlaneWidget::MovingOrigin )
{
this->TranslateOrigin(prevPickPoint, pickPoint);
}
else if ( this->State == vtkImplicitPlaneWidget::Pushing )
{
this->Push(prevPickPoint, pickPoint);
}
else if ( this->State == vtkImplicitPlaneWidget::Scaling )
{
this->Scale(prevPickPoint, pickPoint, X, Y);
}
else if ( this->State == vtkImplicitPlaneWidget::Rotating )
{
camera->GetViewPlaneNormal(vpn);
this->Rotate(X, Y, prevPickPoint, pickPoint, vpn);
}
// Interact, if desired
this->EventCallbackCommand->SetAbortFlag(1);
this->InvokeEvent(vtkCommand::InteractionEvent,NULL);
this->Interactor->Render();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::Rotate(int X, int Y, double *p1, double *p2, double *vpn)
{
double v[3]; //vector of motion
double axis[3]; //axis of rotation
double theta; //rotation angle
// mouse motion vector in world space
v[0] = p2[0] - p1[0];
v[1] = p2[1] - p1[1];
v[2] = p2[2] - p1[2];
double *origin = this->Plane->GetOrigin();
double *normal = this->Plane->GetNormal();
// Create axis of rotation and angle of rotation
vtkMath::Cross(vpn,v,axis);
if ( vtkMath::Normalize(axis) == 0.0 )
{
return;
}
int *size = this->CurrentRenderer->GetSize();
double l2 = (X-this->Interactor->GetLastEventPosition()[0])
*(X-this->Interactor->GetLastEventPosition()[0])
+(Y-this->Interactor->GetLastEventPosition()[1])
*(Y-this->Interactor->GetLastEventPosition()[1]);
theta = 360.0 * sqrt(l2/(size[0]*size[0]+size[1]*size[1]));
//Manipulate the transform to reflect the rotation
this->Transform->Identity();
this->Transform->Translate(origin[0],origin[1],origin[2]);
this->Transform->RotateWXYZ(theta,axis);
this->Transform->Translate(-origin[0],-origin[1],-origin[2]);
//Set the new normal
double nNew[3];
this->Transform->TransformNormal(normal,nNew);
this->Plane->SetNormal(nNew);
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
// Loop through all points and translate them
void vtkImplicitPlaneWidget::TranslatePlane(double *p1, double *p2)
{
//Get the motion vector
double v[3];
v[0] = p2[0] - p1[0];
v[1] = p2[1] - p1[1];
v[2] = p2[2] - p1[2];
//Translate the plane
double oNew[3];
double *origin = this->Plane->GetOrigin();
oNew[0] = origin[0] + v[0];
oNew[1] = origin[1] + v[1];
oNew[2] = origin[2] + v[2];
this->Plane->SetOrigin(oNew);
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
// Loop through all points and translate them
void vtkImplicitPlaneWidget::TranslateOutline(double *p1, double *p2)
{
//Get the motion vector
double v[3];
v[0] = p2[0] - p1[0];
v[1] = p2[1] - p1[1];
v[2] = p2[2] - p1[2];
//Translate the bounding box
double *origin = this->Box->GetOrigin();
double oNew[3];
oNew[0] = origin[0] + v[0];
oNew[1] = origin[1] + v[1];
oNew[2] = origin[2] + v[2];
this->Box->SetOrigin(oNew);
//Translate the plane
origin = this->Plane->GetOrigin();
oNew[0] = origin[0] + v[0];
oNew[1] = origin[1] + v[1];
oNew[2] = origin[2] + v[2];
this->Plane->SetOrigin(oNew);
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
// Loop through all points and translate them
void vtkImplicitPlaneWidget::TranslateOrigin(double *p1, double *p2)
{
//Get the motion vector
double v[3];
v[0] = p2[0] - p1[0];
v[1] = p2[1] - p1[1];
v[2] = p2[2] - p1[2];
//Add to the current point, project back down onto plane
double *o = this->Plane->GetOrigin();
double *n = this->Plane->GetNormal();
double newOrigin[3];
newOrigin[0] = o[0] + v[0];
newOrigin[1] = o[1] + v[1];
newOrigin[2] = o[2] + v[2];
vtkPlane::ProjectPoint(newOrigin,o,n,newOrigin);
this->SetOrigin(newOrigin[0],newOrigin[1],newOrigin[2]);
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::Scale(double *p1, double *p2,
int vtkNotUsed(X), int Y)
{
//Get the motion vector
double v[3];
v[0] = p2[0] - p1[0];
v[1] = p2[1] - p1[1];
v[2] = p2[2] - p1[2];
double *o = this->Plane->GetOrigin();
// Compute the scale factor
double sf = vtkMath::Norm(v) / this->Outline->GetOutput()->GetLength();
if ( Y > this->Interactor->GetLastEventPosition()[1] )
{
sf = 1.0 + sf;
}
else
{
sf = 1.0 - sf;
}
this->Transform->Identity();
this->Transform->Translate(o[0],o[1],o[2]);
this->Transform->Scale(sf,sf,sf);
this->Transform->Translate(-o[0],-o[1],-o[2]);
double *origin = this->Box->GetOrigin();
double *spacing = this->Box->GetSpacing();
double oNew[3], p[3], pNew[3];
p[0] = origin[0] + spacing[0];
p[1] = origin[1] + spacing[1];
p[2] = origin[2] + spacing[2];
this->Transform->TransformPoint(origin,oNew);
this->Transform->TransformPoint(p,pNew);
this->Box->SetOrigin(oNew);
this->Box->SetSpacing( (pNew[0]-oNew[0]),
(pNew[1]-oNew[1]),
(pNew[2]-oNew[2]) );
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::Push(double *p1, double *p2)
{
//Get the motion vector
double v[3];
v[0] = p2[0] - p1[0];
v[1] = p2[1] - p1[1];
v[2] = p2[2] - p1[2];
this->Plane->Push( vtkMath::Dot(v,this->Plane->GetNormal()) );
this->SetOrigin(this->Plane->GetOrigin());
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::CreateDefaultProperties()
{
// Normal properties
this->NormalProperty = vtkProperty::New();
this->NormalProperty->SetColor(1,1,1);
this->NormalProperty->SetLineWidth(2);
this->SelectedNormalProperty = vtkProperty::New();
this->SelectedNormalProperty->SetColor(1,0,0);
this->NormalProperty->SetLineWidth(2);
// Plane properties
this->PlaneProperty = vtkProperty::New();
this->PlaneProperty->SetAmbient(1.0);
this->PlaneProperty->SetAmbientColor(1.0,1.0,1.0);
this->SelectedPlaneProperty = vtkProperty::New();
this->SelectedPlaneProperty->SetAmbient(1.0);
this->SelectedPlaneProperty->SetAmbientColor(0.0,1.0,0.0);
this->SelectedPlaneProperty->SetOpacity(0.25);
// Outline properties
this->OutlineProperty = vtkProperty::New();
this->OutlineProperty->SetAmbient(1.0);
this->OutlineProperty->SetAmbientColor(1.0,1.0,1.0);
this->SelectedOutlineProperty = vtkProperty::New();
this->SelectedOutlineProperty->SetAmbient(1.0);
this->SelectedOutlineProperty->SetAmbientColor(0.0,1.0,0.0);
// Edge property
this->EdgesProperty = vtkProperty::New();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::PlaceWidget(double bds[6])
{
int i;
double bounds[6], origin[3];
this->AdjustBounds(bds, bounds, origin);
// Set up the bounding box
this->Box->SetOrigin(bounds[0],bounds[2],bounds[4]);
this->Box->SetSpacing((bounds[1]-bounds[0]),(bounds[3]-bounds[2]),
(bounds[5]-bounds[4]));
this->Outline->Update();
this->LineSource->SetPoint1(this->Plane->GetOrigin());
if ( this->NormalToYAxis )
{
this->Plane->SetNormal(0,1,0);
this->LineSource->SetPoint2(0,1,0);
}
else if ( this->NormalToZAxis )
{
this->Plane->SetNormal(0,0,1);
this->LineSource->SetPoint2(0,0,1);
}
else //default or x-normal
{
this->Plane->SetNormal(1,0,0);
this->LineSource->SetPoint2(1,0,0);
}
for (i=0; i<6; i++)
{
this->InitialBounds[i] = bounds[i];
}
this->InitialLength = sqrt((bounds[1]-bounds[0])*(bounds[1]-bounds[0]) +
(bounds[3]-bounds[2])*(bounds[3]-bounds[2]) +
(bounds[5]-bounds[4])*(bounds[5]-bounds[4]));
this->UpdateRepresentation();
this->SizeHandles();
}
//----------------------------------------------------------------------------
// Description:
// Set the origin of the plane.
void vtkImplicitPlaneWidget::SetOrigin(double x, double y, double z)
{
double origin[3];
origin[0] = x;
origin[1] = y;
origin[2] = z;
this->SetOrigin(origin);
}
//----------------------------------------------------------------------------
// Description:
// Set the origin of the plane.
void vtkImplicitPlaneWidget::SetOrigin(double x[3])
{
double *bounds = this->Outline->GetOutput()->GetBounds();
for (int i=0; i<3; i++)
{
if ( x[i] < bounds[2*i] )
{
x[i] = bounds[2*i];
}
else if ( x[i] > bounds[2*i+1] )
{
x[i] = bounds[2*i+1];
}
}
this->Plane->SetOrigin(x);
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
// Description:
// Get the origin of the plane.
double* vtkImplicitPlaneWidget::GetOrigin()
{
return this->Plane->GetOrigin();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::GetOrigin(double xyz[3])
{
this->Plane->GetOrigin(xyz);
}
//----------------------------------------------------------------------------
// Description:
// Set the normal to the plane.
void vtkImplicitPlaneWidget::SetNormal(double x, double y, double z)
{
double n[3];
n[0] = x;
n[1] = y;
n[2] = z;
vtkMath::Normalize(n);
this->Plane->SetNormal(n);
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
// Description:
// Set the normal to the plane.
void vtkImplicitPlaneWidget::SetNormal(double n[3])
{
this->SetNormal(n[0], n[1], n[2]);
}
//----------------------------------------------------------------------------
// Description:
// Get the normal to the plane.
double* vtkImplicitPlaneWidget::GetNormal()
{
return this->Plane->GetNormal();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::GetNormal(double xyz[3])
{
this->Plane->GetNormal(xyz);
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::SetDrawPlane(int drawPlane)
{
if ( drawPlane == this->DrawPlane )
{
return;
}
this->Modified();
this->DrawPlane = drawPlane;
if ( this->Enabled )
{
if ( drawPlane )
{
this->CurrentRenderer->AddActor(this->CutActor);
}
else
{
this->CurrentRenderer->RemoveActor(this->CutActor);
}
this->Interactor->Render();
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::SetNormalToXAxis (int var)
{
if (this->NormalToXAxis != var)
{
this->NormalToXAxis = var;
this->Modified();
}
if (var)
{
this->NormalToYAxisOff();
this->NormalToZAxisOff();
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::SetNormalToYAxis (int var)
{
if (this->NormalToYAxis != var)
{
this->NormalToYAxis = var;
this->Modified();
}
if (var)
{
this->NormalToXAxisOff();
this->NormalToZAxisOff();
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::SetNormalToZAxis (int var)
{
if (this->NormalToZAxis != var)
{
this->NormalToZAxis = var;
this->Modified();
}
if (var)
{
this->NormalToXAxisOff();
this->NormalToYAxisOff();
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::GetPolyData(vtkPolyData *pd)
{
pd->ShallowCopy(this->Cutter->GetOutput());
}
//----------------------------------------------------------------------------
vtkPolyDataAlgorithm *vtkImplicitPlaneWidget::GetPolyDataAlgorithm()
{
return this->Cutter;
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::GetPlane(vtkPlane *plane)
{
if ( plane == NULL )
{
return;
}
plane->SetNormal(this->Plane->GetNormal());
plane->SetOrigin(this->Plane->GetOrigin());
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::UpdatePlacement()
{
this->Outline->Update();
this->Cutter->Update();
this->Edges->Update();
this->UpdateRepresentation();
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::UpdateRepresentation()
{
if ( ! this->CurrentRenderer )
{
return;
}
double *origin = this->Plane->GetOrigin();
double *normal = this->Plane->GetNormal();
double p2[3];
if( !this->OutsideBounds )
{
double *bounds = this->GetInput()->GetBounds();
for (int i=0; i<3; i++)
{
if ( origin[i] < bounds[2*i] )
{
origin[i] = bounds[2*i];
}
else if ( origin[i] > bounds[2*i+1] )
{
origin[i] = bounds[2*i+1];
}
}
}
// Setup the plane normal
double d = this->Outline->GetOutput()->GetLength();
const double ratio = this->DiagonalRatio;
p2[0] = origin[0] + ratio * d * normal[0];
p2[1] = origin[1] + ratio * d * normal[1];
p2[2] = origin[2] + ratio * d * normal[2];
this->LineSource->SetPoint1(origin);
this->LineSource->SetPoint2(p2);
this->ConeSource->SetCenter(p2);
this->ConeSource->SetDirection(normal);
p2[0] = origin[0] - ratio * d * normal[0];
p2[1] = origin[1] - ratio * d * normal[1];
p2[2] = origin[2] - ratio * d * normal[2];
this->LineSource2->SetPoint1(origin[0],origin[1],origin[2]);
this->LineSource2->SetPoint2(p2);
this->ConeSource2->SetCenter(p2);
this->ConeSource2->SetDirection(normal[0],normal[1],normal[2]);
// Set up the position handle
this->Sphere->SetCenter(origin[0],origin[1],origin[2]);
// Control the look of the edges
if ( this->Tubing )
{
this->EdgesMapper->SetInput(this->EdgesTuber->GetOutput());
}
else
{
this->EdgesMapper->SetInput(this->Edges->GetOutput());
}
}
//----------------------------------------------------------------------------
void vtkImplicitPlaneWidget::SizeHandles()
{
double radius = this->vtk3DWidget::SizeHandles(1.35);
this->ConeSource->SetHeight(2.0*radius);
this->ConeSource->SetRadius(radius);
this->ConeSource2->SetHeight(2.0*radius);
this->ConeSource2->SetRadius(radius);
this->Sphere->SetRadius(radius);
this->EdgesTuber->SetRadius(0.25*radius);
}