/usr/share/vtk/Charts/Cxx/PiecewiseItem.cxx is in vtk-examples 5.8.0-5.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | /*=========================================================================
Program: Visualization Toolkit
Module: GraphItem.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 "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkSmartPointer.h"
#include "vtkContextView.h"
#include "vtkContextScene.h"
#include "vtkPiecewiseFunctionItem.h"
#include "vtkPiecewiseControlPointsItem.h"
#include "vtkPiecewiseFunction.h"
//----------------------------------------------------------------------------
int main(int, char *[])
{
// Set up a 2D context view, context test object and add it to the scene
vtkSmartPointer<vtkContextView> view = vtkSmartPointer<vtkContextView>::New();
view->GetRenderer()->SetBackground(1.0, 1.0, 1.0);
view->GetRenderWindow()->SetSize(800, 600);
view->GetRenderWindow()->SetMultiSamples(0);
vtkSmartPointer<vtkPiecewiseFunction> source = vtkSmartPointer<vtkPiecewiseFunction>::New();
source->AddPoint(0,0);
source->AddPoint(200,200);
source->AddPoint(400,500);
source->AddPoint(700,500);
source->Update();
vtkSmartPointer<vtkPiecewiseControlPointsItem> item = vtkSmartPointer<vtkPiecewiseControlPointsItem>::New();
item->SetPiecewiseFunction(source);
view->GetScene()->AddItem(item);
// NOT WORKING...
//vtkSmartPointer<vtkPiecewiseFunctionItem> item2 = vtkSmartPointer<vtkPiecewiseFunctionItem>::New();
//item2->SetPiecewiseFunction(source);
//view->GetScene()->AddItem(item2);
view->GetRenderWindow()->GetInteractor()->Initialize();
view->GetRenderWindow()->GetInteractor()->CreateOneShotTimer(10);
view->GetRenderWindow()->GetInteractor()->Start();
}
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