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/*=========================================================================
Program: Visualization Toolkit
Module: QScalarsToColors.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 "vtkFloatArray.h"
#include "vtkMath.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkSmartPointer.h"
#include "vtkColorTransferFunction.h"
#include "vtkPiecewiseFunction.h"
#include "vtkCompositeTransferFunctionItem.h"
#include "vtkContextView.h"
#include "vtkContextScene.h"
#include "vtkChartXY.h"
#include "vtkPlot.h"
#include "vtkTimerLog.h"
#include <QApplication>
#include <QWidget>
#include <QMainWindow>
#include <QHBoxLayout>
#include "QVTKWidget.h"
#include "vtkQtTableView.h"
#define VTK_CREATE(type, name) \
vtkSmartPointer<type> name = vtkSmartPointer<type>::New()
//----------------------------------------------------------------------------
int main( int argc, char * argv [] )
{
// Qt initialization
QApplication app(argc, argv);
// QVTK set up and initialization
QVTKWidget qvtkWidget(0);
// Set up my 2D world...
VTK_CREATE(vtkContextView, view); // This contains a chart object
view->SetInteractor(qvtkWidget.GetInteractor());
qvtkWidget.SetRenderWindow(view->GetRenderWindow());
vtkSmartPointer<vtkChartXY> chart = vtkSmartPointer<vtkChartXY>::New();
chart->SetTitle("Chart");
view->GetScene()->AddItem(chart);
vtkSmartPointer<vtkColorTransferFunction> colorTransferFunction =
vtkSmartPointer<vtkColorTransferFunction>::New();
colorTransferFunction->AddHSVSegment(0.,0.,1.,1.,0.3333,0.3333,1.,1.);
colorTransferFunction->AddHSVSegment(0.3333,0.3333,1.,1.,0.6666,0.6666,1.,1.);
colorTransferFunction->AddHSVSegment(0.6666,0.6666,1.,1.,1.,0.,1.,1.);
colorTransferFunction->Build();
vtkSmartPointer<vtkPiecewiseFunction> opacityFunction =
vtkSmartPointer<vtkPiecewiseFunction>::New();
opacityFunction->AddPoint(0.,0.);
opacityFunction->AddPoint(0.5,0.5);
opacityFunction->AddPoint(1.,1.);
vtkSmartPointer<vtkCompositeTransferFunctionItem> item3 =
vtkSmartPointer<vtkCompositeTransferFunctionItem>::New();
item3->SetColorTransferFunction(colorTransferFunction);
item3->SetOpacityFunction(opacityFunction);
item3->SetOpacity(0.2);
item3->SetMaskAboveCurve(true);
chart->AddPlot(item3);
// Now lets try to add a table view
//QWidget *widget = new QWidget(mainWindow);
//QHBoxLayout *layout = new QHBoxLayout(widget);
//layout->addWidget(qvtkWidget);
//mainWindow->setCentralWidget(widget);
// Now show the application and start the event loop
qvtkWidget.show();
//view->GetRenderWindow()->SetMultiSamples(0);
return app.exec();
}
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