ParametricSuperToroidDemo
VTKExamples/Cxx/GeometricObjects/ParametricSuperToroidDemo
Code
ParametricSuperToroidDemo.cxx
#include <vtkSmartPointer.h>
#include <vtkParametricSuperToroid.h>
#include <vtkParametricFunctionSource.h>
#include <vtkCamera.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkActor2D.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkMath.h>
#include <vtkCommand.h>
#include <vtkSliderWidget.h>
#include <vtkSliderRepresentation2D.h>
// These callbacks do the actual work.
// Callbacks for the interactions
class SliderCallbackN1 : public vtkCommand
{
public:
static SliderCallbackN1 *New()
{
return new SliderCallbackN1;
}
virtual void Execute(vtkObject *caller, unsigned long, void*)
{
vtkSliderWidget *sliderWidget =
reinterpret_cast<vtkSliderWidget*>(caller);
double value = static_cast<vtkSliderRepresentation2D *>(sliderWidget->GetRepresentation())->GetValue();
this->SuperToroid->SetN1(value);
}
SliderCallbackN1():SuperToroid(0) {}
vtkParametricSuperToroid *SuperToroid;
};
class SliderCallbackN2 : public vtkCommand
{
public:
static SliderCallbackN2 *New()
{
return new SliderCallbackN2;
}
virtual void Execute(vtkObject *caller, unsigned long, void*)
{
vtkSliderWidget *sliderWidget =
reinterpret_cast<vtkSliderWidget*>(caller);
double value = static_cast<vtkSliderRepresentation2D *>(sliderWidget->GetRepresentation())->GetValue();
this->SuperToroid->SetN2(value);
}
SliderCallbackN2():SuperToroid(0) {}
vtkParametricSuperToroid *SuperToroid;
};
int main(int, char *[])
{
vtkSmartPointer<vtkParametricSuperToroid> surface =
vtkSmartPointer<vtkParametricSuperToroid>::New();
vtkSmartPointer<vtkParametricFunctionSource> source =
vtkSmartPointer<vtkParametricFunctionSource>::New();
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkPolyDataMapper> mapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
vtkSmartPointer<vtkActor> actor =
vtkSmartPointer<vtkActor>::New();
vtkSmartPointer<vtkProperty> backProperty =
vtkSmartPointer<vtkProperty>::New();
backProperty->SetColor(1.0000, 0.3882, 0.2784);
// Create a parametric function source, renderer, mapper, and actor
source->SetParametricFunction(surface);
mapper->SetInputConnection(source->GetOutputPort());
actor->SetMapper(mapper);
actor->SetBackfaceProperty(backProperty);
actor->GetProperty()->SetDiffuseColor(0.8900, 0.8100, 0.3400);
vtkSmartPointer<vtkRenderWindow> renderWindow =
vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
renderWindow->SetSize(640,480);
renderer->AddActor(actor);
renderer->SetBackground(.2, .3, .4);
renderer->ResetCamera();
renderer->GetActiveCamera()->Azimuth(30);
renderer->GetActiveCamera()->Elevation(-30);
renderer->GetActiveCamera()->Zoom(0.9);
renderer->ResetCameraClippingRange();
vtkSmartPointer<vtkRenderWindowInteractor> interactor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
interactor->SetRenderWindow(renderWindow);
// Setup a slider widget for each varying parameter
double tubeWidth(.004);
double sliderLength(.004);
double titleHeight(.02);
double labelHeight(.02);
vtkSmartPointer<vtkSliderRepresentation2D> sliderRepN1 =
vtkSmartPointer<vtkSliderRepresentation2D>::New();
sliderRepN1->SetMinimumValue(0.0);
sliderRepN1->SetMaximumValue(4.0);
sliderRepN1->SetValue(1.0);
sliderRepN1->SetTitleText("Z squareness");
sliderRepN1->GetPoint1Coordinate()->SetCoordinateSystemToNormalizedDisplay();
sliderRepN1->GetPoint1Coordinate()->SetValue(.1, .1);
sliderRepN1->GetPoint2Coordinate()->SetCoordinateSystemToNormalizedDisplay();
sliderRepN1->GetPoint2Coordinate()->SetValue(.9, .1);
sliderRepN1->SetTubeWidth(tubeWidth);
sliderRepN1->SetSliderLength(sliderLength);
sliderRepN1->SetTitleHeight(titleHeight);
sliderRepN1->SetLabelHeight(labelHeight);
vtkSmartPointer<vtkSliderWidget> sliderWidgetN1 =
vtkSmartPointer<vtkSliderWidget>::New();
sliderWidgetN1->SetInteractor(interactor);
sliderWidgetN1->SetRepresentation(sliderRepN1);
sliderWidgetN1->SetAnimationModeToAnimate();
sliderWidgetN1->EnabledOn();
vtkSmartPointer<SliderCallbackN1> callbackN1 =
vtkSmartPointer<SliderCallbackN1>::New();
callbackN1->SuperToroid = surface;
sliderWidgetN1->AddObserver(vtkCommand::InteractionEvent,callbackN1);
vtkSmartPointer<vtkSliderRepresentation2D> sliderRepN2 =
vtkSmartPointer<vtkSliderRepresentation2D>::New();
sliderRepN2->SetMinimumValue(0.0001);
sliderRepN2->SetMaximumValue(4.0);
sliderRepN2->SetValue(1.0);
sliderRepN2->SetTitleText("XY squareness");
sliderRepN2->GetPoint1Coordinate()->SetCoordinateSystemToNormalizedDisplay();
sliderRepN2->GetPoint1Coordinate()->SetValue(.1, .9);
sliderRepN2->GetPoint2Coordinate()->SetCoordinateSystemToNormalizedDisplay();
sliderRepN2->GetPoint2Coordinate()->SetValue(.9, .9);
sliderRepN2->SetTubeWidth(tubeWidth);
sliderRepN2->SetSliderLength(sliderLength);
sliderRepN2->SetTitleHeight(titleHeight);
sliderRepN2->SetLabelHeight(labelHeight);
vtkSmartPointer<vtkSliderWidget> sliderWidgetN2 =
vtkSmartPointer<vtkSliderWidget>::New();
sliderWidgetN2->SetInteractor(interactor);
sliderWidgetN2->SetRepresentation(sliderRepN2);
sliderWidgetN2->SetAnimationModeToAnimate();
sliderWidgetN2->EnabledOn();
vtkSmartPointer<SliderCallbackN2> callbackN2 =
vtkSmartPointer<SliderCallbackN2>::New();
callbackN2->SuperToroid = surface;
sliderWidgetN2->AddObserver(vtkCommand::InteractionEvent,callbackN2);
vtkSmartPointer<vtkSliderRepresentation2D> sliderRepMinimumV =
vtkSmartPointer<vtkSliderRepresentation2D>::New();
sliderRepN1->SetMinimumValue(.0001);
sliderRepMinimumV->SetMaximumValue(.9999*vtkMath::Pi());
sliderRepMinimumV->SetValue(.0001);
sliderRepMinimumV->SetTitleText("V min");
sliderRepMinimumV->GetPoint1Coordinate()->SetCoordinateSystemToNormalizedDisplay();
sliderRepMinimumV->GetPoint1Coordinate()->SetValue(.1, .1);
sliderRepMinimumV->GetPoint2Coordinate()->SetCoordinateSystemToNormalizedDisplay();
sliderRepMinimumV->GetPoint2Coordinate()->SetValue(.1, .9);
sliderRepMinimumV->SetTubeWidth(tubeWidth);
sliderRepMinimumV->SetSliderLength(sliderLength);
sliderRepMinimumV->SetTitleHeight(titleHeight);
sliderRepMinimumV->SetLabelHeight(labelHeight);
surface->SetN1(1.0);
surface->SetN2(1.0);
renderer->ResetCamera();
renderer->GetActiveCamera()->Azimuth(30);
renderer->GetActiveCamera()->Elevation(-30);
renderer->GetActiveCamera()->Zoom(0.9);
renderer->ResetCameraClippingRange();
renderWindow->Render();
interactor->Initialize();
interactor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(ParametricSuperToroidDemo)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(ParametricSuperToroidDemo MACOSX_BUNDLE ParametricSuperToroidDemo.cxx)
target_link_libraries(ParametricSuperToroidDemo ${VTK_LIBRARIES})
Download and Build ParametricSuperToroidDemo
Click here to download ParametricSuperToroidDemo and its CMakeLists.txt file. Once the tarball ParametricSuperToroidDemo.tar has been downloaded and extracted,
cd ParametricSuperToroidDemo/build
If VTK is installed:
cmake ..
If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..
Build the project:
make
and run it:
./ParametricSuperToroidDemo
WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.