VTK/Examples/Cxx/InfoVis/TreeMapView

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VTK Examples Baseline InfoVis TestTreeMapView.png

Fix: use a much simpler tree and generate the tree in the code instead of reading files.

TreeMapView.cxx

#include <vtkDataRepresentation.h>
#include <vtkRenderWindow.h>
#include <vtkRegressionTestImage.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkTestUtilities.h>
#include <vtkTreeMapView.h>
#include <vtkViewTheme.h>
#include <vtkXMLTreeReader.h>
#include <vtkSmartPointer.h>
#include <vtkTesting.h>
 
int main(int argc, char* argv[])
{
  vtkSmartPointer<vtkTesting> testHelper =
    vtkSmartPointer<vtkTesting>::New();
  testHelper->AddArguments(argc,const_cast<const char **>(argv));
  std::string dataRoot = testHelper->GetDataRoot();
  std::string treeFileName = dataRoot + "/Data/Infovis/XML/vtkclasses.xml";
  std::string graphFileName = dataRoot + "/Data/Infovis/XML/vtklibrary.xml";
 
  // We need to put the graph and tree edges in different domains.
  vtkSmartPointer<vtkXMLTreeReader> reader1 =
    vtkSmartPointer<vtkXMLTreeReader>::New();
  reader1->SetFileName(treeFileName.c_str());
  reader1->SetEdgePedigreeIdArrayName("tree edge");
  reader1->GenerateVertexPedigreeIdsOff();
  reader1->SetVertexPedigreeIdArrayName("id");
 
  vtkSmartPointer<vtkXMLTreeReader> reader2 =
    vtkSmartPointer<vtkXMLTreeReader>::New();
  reader2->SetFileName(graphFileName.c_str());
  reader2->SetEdgePedigreeIdArrayName("graph edge");
  reader2->GenerateVertexPedigreeIdsOff();
  reader2->SetVertexPedigreeIdArrayName("id");
 
  reader1->Update();
  reader2->Update();
 
  vtkSmartPointer<vtkTreeMapView> view =
    vtkSmartPointer<vtkTreeMapView>::New();
  view->DisplayHoverTextOff();
  view->SetTreeFromInputConnection(reader2->GetOutputPort());
  view->SetGraphFromInputConnection(reader1->GetOutputPort());
 
  view->SetAreaColorArrayName("level");
  view->SetEdgeColorToSplineFraction();
  view->SetColorEdges(true);
  view->SetAreaLabelArrayName("id");
  view->SetAreaHoverArrayName("id");
  view->SetAreaLabelVisibility(true);
  view->SetAreaSizeArrayName("VertexDegree");
 
  // Apply a theme to the views
  vtkViewTheme* const theme = vtkViewTheme::CreateMellowTheme();
  view->ApplyViewTheme(theme);
  theme->Delete();
 
  view->GetRenderWindow()->SetMultiSamples(0);
  view->GetRenderWindow()->SetAlphaBitPlanes(1);
  view->Update();
  view->ResetCamera();
 
  view->GetInteractor()->Initialize();
  view->GetInteractor()->Start();
 
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
PROJECT(TreeMapView)
 
FIND_PACKAGE(VTK REQUIRED)
INCLUDE(${VTK_USE_FILE})
 
ADD_EXECUTABLE(TreeMapView TreeMapView.cxx)
TARGET_LINK_LIBRARIES(TreeMapView vtkHybrid vtkInfovis vtkViews)
Retrieved from "http://batchmake.org/Wiki/VTK/Examples/Cxx/InfoVis/TreeMapView"
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