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Cloned library of VTK-5.0.0 with extra build files for internal package management.
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VTK-5.0.0/Widgets/Testing/Cxx/TestLineWidget.cxx

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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: TestLineWidget.cxx,v $
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 "vtkActor.h"
#include "vtkCommand.h"
#include "vtkInteractorEventRecorder.h"
#include "vtkLineWidget.h"
#include "vtkPLOT3DReader.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkProperty.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkRibbonFilter.h"
#include "vtkRungeKutta4.h"
#include "vtkStreamLine.h"
#include "vtkStructuredGrid.h"
#include "vtkStructuredGridOutlineFilter.h"
#include "vtkTestUtilities.h"
#include "vtkRegressionTestImage.h"
#include "vtkDebugLeaks.h"
char TestLineWidgetEventLog[] =
"# StreamVersion 1\n"
"CharEvent 185 179 0 0 105 1 i\n"
"KeyReleaseEvent 185 179 0 0 105 1 i\n"
"MouseMoveEvent 185 178 0 0 0 0 i\n"
"MouseMoveEvent 184 178 0 0 0 0 i\n"
"MouseMoveEvent 183 178 0 0 0 0 i\n"
"MouseMoveEvent 182 177 0 0 0 0 i\n"
"MouseMoveEvent 179 174 0 0 0 0 i\n"
"MouseMoveEvent 178 172 0 0 0 0 i\n"
"MouseMoveEvent 175 171 0 0 0 0 i\n"
"MouseMoveEvent 173 169 0 0 0 0 i\n"
"MouseMoveEvent 170 166 0 0 0 0 i\n"
"MouseMoveEvent 167 165 0 0 0 0 i\n"
"MouseMoveEvent 161 162 0 0 0 0 i\n"
"MouseMoveEvent 159 160 0 0 0 0 i\n"
"MouseMoveEvent 157 159 0 0 0 0 i\n"
"MouseMoveEvent 156 158 0 0 0 0 i\n"
"MouseMoveEvent 156 157 0 0 0 0 i\n"
"MouseMoveEvent 156 156 0 0 0 0 i\n"
"MouseMoveEvent 156 155 0 0 0 0 i\n"
"MouseMoveEvent 155 155 0 0 0 0 i\n"
"MouseMoveEvent 155 154 0 0 0 0 i\n"
"MouseMoveEvent 155 153 0 0 0 0 i\n"
"MouseMoveEvent 154 153 0 0 0 0 i\n"
"MouseMoveEvent 152 152 0 0 0 0 i\n"
"MouseMoveEvent 151 150 0 0 0 0 i\n"
"MouseMoveEvent 148 150 0 0 0 0 i\n"
"MouseMoveEvent 148 149 0 0 0 0 i\n"
"MouseMoveEvent 148 150 0 0 0 0 i\n"
"LeftButtonPressEvent 148 150 0 0 0 0 i\n"
"MouseMoveEvent 148 151 0 0 0 0 i\n"
"MouseMoveEvent 146 151 0 0 0 0 i\n"
"MouseMoveEvent 143 151 0 0 0 0 i\n"
"MouseMoveEvent 142 151 0 0 0 0 i\n"
"MouseMoveEvent 142 152 0 0 0 0 i\n"
"MouseMoveEvent 141 151 0 0 0 0 i\n"
"MouseMoveEvent 136 149 0 0 0 0 i\n"
"MouseMoveEvent 134 149 0 0 0 0 i\n"
"MouseMoveEvent 133 149 0 0 0 0 i\n"
"MouseMoveEvent 132 149 0 0 0 0 i\n"
"MouseMoveEvent 131 149 0 0 0 0 i\n"
"MouseMoveEvent 131 150 0 0 0 0 i\n"
"MouseMoveEvent 130 150 0 0 0 0 i\n"
"MouseMoveEvent 131 150 0 0 0 0 i\n"
"MouseMoveEvent 136 150 0 0 0 0 i\n"
"LeftButtonReleaseEvent 136 150 0 0 0 0 i\n"
"MouseMoveEvent 136 150 0 0 0 0 i\n"
"MouseMoveEvent 136 151 0 0 0 0 i\n"
"MouseMoveEvent 137 151 0 0 0 0 i\n"
"MouseMoveEvent 138 151 0 0 0 0 i\n"
"MouseMoveEvent 138 152 0 0 0 0 i\n"
"MouseMoveEvent 139 152 0 0 0 0 i\n"
"RightButtonPressEvent 139 152 0 0 0 0 i\n"
"MouseMoveEvent 138 152 0 0 0 0 i\n"
"MouseMoveEvent 137 152 0 0 0 0 i\n"
"MouseMoveEvent 137 153 0 0 0 0 i\n"
"MouseMoveEvent 136 154 0 0 0 0 i\n"
"MouseMoveEvent 136 156 0 0 0 0 i\n"
"MouseMoveEvent 136 157 0 0 0 0 i\n"
"MouseMoveEvent 136 158 0 0 0 0 i\n"
"MouseMoveEvent 137 159 0 0 0 0 i\n"
"MouseMoveEvent 136 159 0 0 0 0 i\n"
"MouseMoveEvent 136 160 0 0 0 0 i\n"
"MouseMoveEvent 136 161 0 0 0 0 i\n"
"MouseMoveEvent 136 160 0 0 0 0 i\n"
"MouseMoveEvent 136 158 0 0 0 0 i\n"
"MouseMoveEvent 136 157 0 0 0 0 i\n"
"MouseMoveEvent 136 155 0 0 0 0 i\n"
"MouseMoveEvent 135 152 0 0 0 0 i\n"
"MouseMoveEvent 135 149 0 0 0 0 i\n"
"MouseMoveEvent 136 147 0 0 0 0 i\n"
"MouseMoveEvent 136 146 0 0 0 0 i\n"
"MouseMoveEvent 136 144 0 0 0 0 i\n"
"MouseMoveEvent 136 143 0 0 0 0 i\n"
"MouseMoveEvent 136 141 0 0 0 0 i\n"
"MouseMoveEvent 136 140 0 0 0 0 i\n"
"MouseMoveEvent 136 139 0 0 0 0 i\n"
"MouseMoveEvent 135 139 0 0 0 0 i\n"
"MouseMoveEvent 135 137 0 0 0 0 i\n"
"MouseMoveEvent 135 136 0 0 0 0 i\n"
"MouseMoveEvent 134 136 0 0 0 0 i\n"
"MouseMoveEvent 135 136 0 0 0 0 i\n"
"RightButtonReleaseEvent 135 136 0 0 0 0 i\n"
"MouseMoveEvent 135 136 0 0 0 0 i\n"
"MouseMoveEvent 135 137 0 0 0 0 i\n"
"MouseMoveEvent 135 138 0 0 0 0 i\n"
"MouseMoveEvent 135 137 0 0 0 0 i\n"
"MouseMoveEvent 134 136 0 0 0 0 i\n"
"MouseMoveEvent 134 135 0 0 0 0 i\n"
"MouseMoveEvent 134 134 0 0 0 0 i\n"
"MouseMoveEvent 134 133 0 0 0 0 i\n"
"MouseMoveEvent 134 132 0 0 0 0 i\n"
"MouseMoveEvent 134 131 0 0 0 0 i\n"
"MouseMoveEvent 134 130 0 0 0 0 i\n"
"MouseMoveEvent 135 130 0 0 0 0 i\n"
"MouseMoveEvent 135 129 0 0 0 0 i\n"
"MouseMoveEvent 136 129 0 0 0 0 i\n"
"MouseMoveEvent 137 129 0 0 0 0 i\n"
"MouseMoveEvent 137 128 0 0 0 0 i\n"
"MouseMoveEvent 138 128 0 0 0 0 i\n"
"MouseMoveEvent 138 129 0 0 0 0 i\n"
"MouseMoveEvent 137 130 0 0 0 0 i\n"
"MouseMoveEvent 137 131 0 0 0 0 i\n"
"MouseMoveEvent 137 132 0 0 0 0 i\n"
"MouseMoveEvent 137 131 0 0 0 0 i\n"
"LeftButtonPressEvent 137 131 0 0 0 0 i\n"
"MouseMoveEvent 137 130 0 0 0 0 i\n"
"MouseMoveEvent 137 128 0 0 0 0 i\n"
"MouseMoveEvent 137 127 0 0 0 0 i\n"
"MouseMoveEvent 138 127 0 0 0 0 i\n"
"MouseMoveEvent 140 127 0 0 0 0 i\n"
"MouseMoveEvent 141 126 0 0 0 0 i\n"
"MouseMoveEvent 143 126 0 0 0 0 i\n"
"MouseMoveEvent 148 123 0 0 0 0 i\n"
"MouseMoveEvent 149 123 0 0 0 0 i\n"
"MouseMoveEvent 149 122 0 0 0 0 i\n"
"MouseMoveEvent 150 122 0 0 0 0 i\n"
"MouseMoveEvent 151 122 0 0 0 0 i\n"
"MouseMoveEvent 152 122 0 0 0 0 i\n"
"MouseMoveEvent 153 121 0 0 0 0 i\n"
"MouseMoveEvent 155 121 0 0 0 0 i\n"
"LeftButtonReleaseEvent 155 121 0 0 0 0 i\n"
"MouseMoveEvent 155 121 0 0 0 0 i\n"
"MouseMoveEvent 155 122 0 0 0 0 i\n"
"MouseMoveEvent 155 123 0 0 0 0 i\n"
"MouseMoveEvent 155 124 0 0 0 0 i\n"
"MouseMoveEvent 155 126 0 0 0 0 i\n"
"MouseMoveEvent 155 127 0 0 0 0 i\n"
"MouseMoveEvent 155 129 0 0 0 0 i\n"
"MouseMoveEvent 153 132 0 0 0 0 i\n"
"MouseMoveEvent 153 135 0 0 0 0 i\n"
"MouseMoveEvent 152 139 0 0 0 0 i\n"
"MouseMoveEvent 152 140 0 0 0 0 i\n"
"MouseMoveEvent 151 142 0 0 0 0 i\n"
"MouseMoveEvent 151 143 0 0 0 0 i\n"
"MouseMoveEvent 151 145 0 0 0 0 i\n"
"MouseMoveEvent 150 146 0 0 0 0 i\n"
"MouseMoveEvent 149 147 0 0 0 0 i\n"
"MouseMoveEvent 149 149 0 0 0 0 i\n"
"MouseMoveEvent 148 151 0 0 0 0 i\n"
"MouseMoveEvent 146 152 0 0 0 0 i\n"
"MouseMoveEvent 143 154 0 0 0 0 i\n"
"MouseMoveEvent 142 155 0 0 0 0 i\n"
"MouseMoveEvent 141 155 0 0 0 0 i\n"
"MouseMoveEvent 141 156 0 0 0 0 i\n"
"MouseMoveEvent 141 157 0 0 0 0 i\n"
"MouseMoveEvent 141 158 0 0 0 0 i\n"
"MouseMoveEvent 141 159 0 0 0 0 i\n"
"MouseMoveEvent 142 160 0 0 0 0 i\n"
"MouseMoveEvent 142 161 0 0 0 0 i\n"
"MouseMoveEvent 142 162 0 0 0 0 i\n"
"MouseMoveEvent 141 162 0 0 0 0 i\n"
"MouseMoveEvent 140 162 0 0 0 0 i\n"
"MouseMoveEvent 138 162 0 0 0 0 i\n"
"MouseMoveEvent 137 163 0 0 0 0 i\n"
"MouseMoveEvent 137 164 0 0 0 0 i\n"
"MouseMoveEvent 137 165 0 0 0 0 i\n"
"MouseMoveEvent 137 166 0 0 0 0 i\n"
"MouseMoveEvent 137 167 0 0 0 0 i\n"
"LeftButtonPressEvent 137 167 0 0 0 0 i\n"
"MouseMoveEvent 138 167 0 0 0 0 i\n"
"MouseMoveEvent 139 168 0 0 0 0 i\n"
"MouseMoveEvent 140 168 0 0 0 0 i\n"
"MouseMoveEvent 141 168 0 0 0 0 i\n"
"MouseMoveEvent 142 168 0 0 0 0 i\n"
"MouseMoveEvent 143 168 0 0 0 0 i\n"
"MouseMoveEvent 144 169 0 0 0 0 i\n"
"MouseMoveEvent 145 169 0 0 0 0 i\n"
"MouseMoveEvent 146 169 0 0 0 0 i\n"
"MouseMoveEvent 146 170 0 0 0 0 i\n"
"MouseMoveEvent 146 171 0 0 0 0 i\n"
"MouseMoveEvent 147 171 0 0 0 0 i\n"
"MouseMoveEvent 148 171 0 0 0 0 i\n"
"MouseMoveEvent 149 172 0 0 0 0 i\n"
"MouseMoveEvent 150 172 0 0 0 0 i\n"
"MouseMoveEvent 151 172 0 0 0 0 i\n"
"MouseMoveEvent 152 172 0 0 0 0 i\n"
"MouseMoveEvent 154 172 0 0 0 0 i\n"
"MouseMoveEvent 155 172 0 0 0 0 i\n"
"MouseMoveEvent 156 172 0 0 0 0 i\n"
"MouseMoveEvent 157 172 0 0 0 0 i\n"
"MouseMoveEvent 158 171 0 0 0 0 i\n"
"MouseMoveEvent 160 171 0 0 0 0 i\n"
"MouseMoveEvent 162 170 0 0 0 0 i\n"
"MouseMoveEvent 163 170 0 0 0 0 i\n"
"MouseMoveEvent 164 170 0 0 0 0 i\n"
"MouseMoveEvent 165 170 0 0 0 0 i\n"
"LeftButtonReleaseEvent 165 170 0 0 0 0 i\n"
"MouseMoveEvent 165 170 0 0 0 0 i\n"
;
// This does the actual work: updates the probe.
// Callback for the interaction
class vtkLWCallback : public vtkCommand
{
public:
static vtkLWCallback *New()
{ return new vtkLWCallback; }
virtual void Execute(vtkObject *caller, unsigned long, void*)
{
vtkLineWidget *lineWidget = reinterpret_cast<vtkLineWidget*>(caller);
lineWidget->GetPolyData(this->PolyData);
this->Actor->VisibilityOn();
}
vtkLWCallback():PolyData(0),Actor(0) {}
vtkPolyData *PolyData;
vtkActor *Actor;
};
int TestLineWidget( int argc, char *argv[] )
{
char* fname =
vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/combxyz.bin");
char* fname2 =
vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/combq.bin");
// Start by loading some data.
//
vtkPLOT3DReader *pl3d = vtkPLOT3DReader::New();
pl3d->SetXYZFileName(fname);
pl3d->SetQFileName(fname2);
pl3d->SetScalarFunctionNumber(100);
pl3d->SetVectorFunctionNumber(202);
pl3d->Update();
delete [] fname;
delete [] fname2;
vtkPolyData *seeds = vtkPolyData::New();
// Create streamtues
vtkRungeKutta4 *rk4 = vtkRungeKutta4::New();
vtkStreamLine *streamer = vtkStreamLine::New();
streamer->SetInputConnection(pl3d->GetOutputPort());
streamer->SetSource(seeds);
streamer->SetMaximumPropagationTime(100);
streamer->SetIntegrationStepLength(.2);
streamer->SetStepLength(.001);
streamer->SetNumberOfThreads(1);
streamer->SetIntegrationDirectionToForward();
streamer->VorticityOn();
streamer->SetIntegrator(rk4);
vtkRibbonFilter *rf = vtkRibbonFilter::New();
rf->SetInputConnection(streamer->GetOutputPort());
rf->SetWidth(0.1);
rf->SetWidthFactor(5);
vtkPolyDataMapper *streamMapper = vtkPolyDataMapper::New();
streamMapper->SetInputConnection(rf->GetOutputPort());
double tmp[2];
pl3d->GetOutput()->GetScalarRange(tmp);
streamMapper->SetScalarRange(tmp[0], tmp[1]);
vtkActor *streamline =vtkActor::New();
streamline->SetMapper(streamMapper);
streamline->VisibilityOff();
// An outline is shown for context.
vtkStructuredGridOutlineFilter *outline =
vtkStructuredGridOutlineFilter::New();
outline->SetInputConnection(pl3d->GetOutputPort());
vtkPolyDataMapper *outlineMapper = vtkPolyDataMapper::New();
outlineMapper->SetInputConnection(outline->GetOutputPort());
vtkActor *outlineActor = vtkActor::New();
outlineActor->SetMapper(outlineMapper);
// Create the RenderWindow, Renderer and both Actors
//
vtkRenderer *ren1 = vtkRenderer::New();
vtkRenderWindow *renWin = vtkRenderWindow::New();
renWin->AddRenderer(ren1);
vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
iren->SetRenderWindow(renWin);
// The SetInteractor method is how 3D widgets are associated with the render
// window interactor. Internally, SetInteractor sets up a bunch of callbacks
// using the Command/Observer mechanism (AddObserver()).
vtkLWCallback *myCallback = vtkLWCallback::New();
myCallback->PolyData = seeds;
myCallback->Actor = streamline;
// The plane widget is used probe the dataset.
//
vtkLineWidget *lineWidget = vtkLineWidget::New();
lineWidget->SetInteractor(iren);
lineWidget->SetInput(pl3d->GetOutput());
lineWidget->SetAlignToYAxis();
lineWidget->PlaceWidget();
lineWidget->GetPolyData(seeds);
lineWidget->AddObserver(vtkCommand::InteractionEvent,myCallback);
ren1->AddActor(streamline);
ren1->AddActor(outlineActor);
// Add the actors to the renderer, set the background and size
//
ren1->SetBackground(0.1, 0.2, 0.4);
renWin->SetSize(300, 300);
// record events
vtkInteractorEventRecorder *recorder = vtkInteractorEventRecorder::New();
recorder->SetInteractor(iren);
// recorder->SetFileName("c:/record.log");
// recorder->Record();
recorder->ReadFromInputStringOn();
recorder->SetInputString(TestLineWidgetEventLog);
// render the image
//
iren->Initialize();
renWin->Render();
recorder->Play();
// Remove the observers so we can go interactive. Without this the "-I"
// testing option fails.
recorder->Off();
int retVal = vtkRegressionTestImage( renWin );
if ( retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
recorder->Off();
recorder->Delete();
myCallback->Delete();
seeds->Delete();
lineWidget->Delete();
pl3d->Delete();
rk4->Delete();
streamer->Delete();
rf->Delete();
streamMapper->Delete();
streamline->Delete();
outline->Delete();
outlineMapper->Delete();
outlineActor->Delete();
iren->Delete();
renWin->Delete();
ren1->Delete();
return !retVal;
}