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/*=========================================================================
Program: Visualization Toolkit
Module: TestLabeledContourMapperWithActorMatrix.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 "vtkLabeledContourMapper.h"
#include "vtkActor.h"
#include "vtkCamera.h"
#include "vtkContourFilter.h"
#include "vtkDEMReader.h"
#include "vtkImageData.h"
#include "vtkNew.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkStripper.h"
#include "vtkTextProperty.h"
#include "vtkTextPropertyCollection.h"
#include "vtkTestUtilities.h"
#include "vtkTransform.h"
#include "vtkRegressionTestImage.h"
//----------------------------------------------------------------------------
int TestLabeledContourMapperWithActorMatrix(int argc, char *argv[])
{
char* fname =
vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/SainteHelens.dem");
vtkNew<vtkDEMReader> demReader;
demReader->SetFileName(fname);
delete [] fname;
double range[2];
demReader->Update();
demReader->GetOutput()->GetPointData()->GetScalars()->GetRange(range);
vtkNew<vtkContourFilter> contours;
contours->SetInputConnection(demReader->GetOutputPort());
contours->GenerateValues(21, range[0], range[1]);
vtkNew<vtkStripper> contourStripper;
contourStripper->SetInputConnection(contours->GetOutputPort());
contourStripper->Update();
// Setup three text properties that will be rotated across the isolines:
vtkNew<vtkTextPropertyCollection> tprops;
vtkNew<vtkTextProperty> tprop1;
tprop1->SetBold(1);
tprop1->SetFontSize(12);
tprop1->SetBackgroundColor(0.5, 0.5, 0.5);
tprop1->SetBackgroundOpacity(0.25);
tprop1->SetColor(1., 1., 1.);
tprops->AddItem(tprop1.GetPointer());
vtkNew<vtkTextProperty> tprop2;
tprop2->ShallowCopy(tprop1.GetPointer());
tprop2->SetColor(.8, .2, .3);
tprops->AddItem(tprop2.GetPointer());
vtkNew<vtkTextProperty> tprop3;
tprop3->ShallowCopy(tprop1.GetPointer());
tprop3->SetColor(.3, .8, .2);
tprops->AddItem(tprop3.GetPointer());
vtkNew<vtkLabeledContourMapper> mapper;
mapper->GetPolyDataMapper()->ScalarVisibilityOff();
mapper->SetTextProperties(tprops.GetPointer());
mapper->SetInputConnection(contourStripper->GetOutputPort());
vtkNew<vtkActor> actor;
actor->SetMapper(mapper.GetPointer());
vtkNew<vtkTransform> xform;
xform->Identity();
xform->Scale(0.5, 0.25, 10.);
xform->RotateWXYZ(196, 0.0, 0.0, 1.0);
xform->Translate(50, 50, 50);
actor->SetUserTransform(xform.GetPointer());
vtkNew<vtkRenderer> ren;
ren->AddActor(actor.GetPointer());
vtkNew<vtkRenderWindow> win;
win->SetStencilCapable(1); // Needed for vtkLabeledContourMapper
win->AddRenderer(ren.GetPointer());
double bounds[6];
contourStripper->GetOutput()->GetBounds(bounds);
win->SetSize(600, 600);
ren->SetBackground(0.0, 0.0, 0.0);
ren->GetActiveCamera()->SetViewUp(0, 1, 0);
ren->GetActiveCamera()->SetPosition((bounds[0] + bounds[1]) / 2.,
(bounds[2] + bounds[3]) / 2., 0);
ren->GetActiveCamera()->SetFocalPoint((bounds[0] + bounds[1]) / 2.,
(bounds[2] + bounds[3]) / 2.,
(bounds[4] + bounds[5]) / 2.);
ren->ResetCamera();
ren->GetActiveCamera()->Dolly(6.5);
ren->ResetCameraClippingRange();
win->SetMultiSamples(0);
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(win.GetPointer());
int retVal = vtkRegressionTestImage(win.GetPointer());
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
return !retVal;
}
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