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/*=========================================================================
Program: Visualization Toolkit
Module: TestXYPlotActor.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.
=========================================================================*/
// .SECTION Thanks
// This test was written by Philippe Pebay, Kitware SAS 2012
#include "vtkActor.h"
#include "vtkDoubleArray.h"
#include "vtkLegendBoxActor.h"
#include "vtkPoints.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkProperty.h"
#include "vtkProperty2D.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSmartPointer.h"
#include "vtkStdString.h"
#include "vtkTextProperty.h"
#include "vtkXYPlotActor.h"
#include "vtkTestUtilities.h"
int TestXYPlotActor( int argc, char* argv[] )
{
// Create container for points
vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
// Create containers for data
unsigned int nPlots = 4;
vtkStdString names[] =
{
"sqrt(x)",
"sqrt(x)sin(10ln(sqrt(x)))",
"sqrt(x)cos(x/10)",
"-sqrt(x)",
};
vtkSmartPointer<vtkDoubleArray>* data = new vtkSmartPointer<vtkDoubleArray>[nPlots];
for ( unsigned int i = 0; i < nPlots; ++ i )
{
data[i] = vtkSmartPointer<vtkDoubleArray>::New();
data[i]->SetNumberOfComponents( 1 );
data[i]->SetName( names[i].c_str() );
}
// Fill in points and data
unsigned int nSteps = 10;
unsigned int stepSize = 50;
unsigned int nVals = nSteps * stepSize + 1;
for ( unsigned int i = 0; i < nVals; ++ i )
{
points->InsertNextPoint( i, 0., 0. );
double val0 = sqrt( static_cast<double>( i ) );
data[0]->InsertNextValue( val0 );
double val1 = val0 * sin( 10*log( val0 ) );
data[1]->InsertNextValue( val1 );
double val2 = val0 * cos( 2. * val0 );
data[2]->InsertNextValue( val2 );
data[3]->InsertNextValue( -val0 );
}
// Determine extrema
double* rangeCurr = data[0]->GetRange();
double range[2];
range[0] = rangeCurr[0];
range[1] = rangeCurr[1];
for ( unsigned int i = 1; i < nPlots; ++ i )
{
rangeCurr = data[i]->GetRange();
range[0] = rangeCurr[0] < range[0] ? rangeCurr[0] : range[0];
range[1] = rangeCurr[1] > range[1] ? rangeCurr[1] : range[1];
}
// Create data sets with created points and data
vtkSmartPointer<vtkPolyData>* polydata = new vtkSmartPointer<vtkPolyData>[nPlots];
for ( unsigned int i = 0; i < nPlots; ++ i )
{
polydata[i] = vtkSmartPointer<vtkPolyData>::New();
polydata[i]->SetPoints( points );
polydata[i]->GetPointData()->SetScalars( data[i] );
}
// Set XY plot actor
double colors[] =
{
.54, .21, .06, // burnt sienna
1., .38, .01, // cadmium orange
.24, .57, .25, // cobalt green
0., 0., 0.502, // navy blue
};
vtkSmartPointer<vtkXYPlotActor> xyPlot = vtkSmartPointer<vtkXYPlotActor>::New();
for ( unsigned int i = 0; i < nPlots; ++ i )
{
xyPlot->AddDataSetInput( polydata[i] );
xyPlot->SetPlotColor( i, colors[3 * i], colors[3 * i + 1], colors[3 * i + 2] );
}
xyPlot->GetPositionCoordinate()->SetValue( .01, .01, .0 );
xyPlot->GetPosition2Coordinate()->SetValue( .99, .99, .0 );
xyPlot->SetLineWidth( 2 );
xyPlot->SetBorder( 10 );
// Title settings
xyPlot->SetTitleItalic( 0 );
xyPlot->SetTitleBold( 1 );
xyPlot->SetTitleFontFamily( VTK_ARIAL );
xyPlot->SetTitleColor( .9, .06, .02 );
xyPlot->SetTitle( "XY Plot Actor Test");
// Legend settings
xyPlot->SetLegend( 1 );
xyPlot->SetLegendPosition( .7, .6 );
xyPlot->SetLegendPosition2( .25, .2 );
xyPlot->SetLegendBorder( 1 );
xyPlot->SetLegendBox( 0 );
xyPlot->SetLegendUseBackground( 1 );
xyPlot->SetLegendBackgroundColor( .86, .86, .86 );
for ( unsigned int i = 0; i < nPlots; ++ i )
{
xyPlot->GetLegendActor()->SetEntryString( i, names[i] );
}
// Axes settings
xyPlot->SetAxisTitleFontFamily( VTK_TIMES );
xyPlot->SetAxisTitleColor( 0., 0., 1. );
xyPlot->SetYTitlePositionToVCenter();
xyPlot->SetXTitle( "x" );
xyPlot->SetYTitle( "f(x)" );
xyPlot->SetXValuesToIndex();
xyPlot->SetXRange( 0, nVals - 1 );
xyPlot->SetYRange( floor( range[0] ), ceil( range[1] ) );
xyPlot->SetXAxisColor( 0., 0., 0. );
xyPlot->SetYAxisColor( 0., 0., 0. );
// Label settings
xyPlot->SetAxisLabelFontFamily( VTK_COURIER );
xyPlot->SetAxisLabelColor( 0., 0., .9 );
xyPlot->SetLabelFormat("%g");
xyPlot->SetAdjustXLabels( 0 );
xyPlot->SetNumberOfXLabels( nSteps + 1 );
xyPlot->SetAdjustYLabels( 0 );
xyPlot->SetNumberOfYLabels( 3 );
// Set up rendering contraption
vtkSmartPointer<vtkRenderer> ren1 = vtkSmartPointer<vtkRenderer>::New();
ren1->SetBackground( .99, 1., .94 ); // titanium white
ren1->AddActor( xyPlot );
vtkSmartPointer<vtkRenderWindow> renWin = vtkSmartPointer<vtkRenderWindow>::New();
renWin->SetMultiSamples( 0 );
renWin->AddRenderer( ren1 );
renWin->SetSize( 600, 400 );
vtkSmartPointer<vtkRenderWindowInteractor> iren = vtkSmartPointer<vtkRenderWindowInteractor>::New();
iren->SetRenderWindow( renWin );
int retVal = vtkRegressionTestImage( renWin.GetPointer() );
if ( retVal == vtkRegressionTester::DO_INTERACTOR )
{
iren->Start();
}
// Clean up
delete [] polydata;
delete [] data;
return !retVal;
}
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