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#include "TreeRingViewItem.h"
#include "vtkTreeRingView.h"
#include "vtkGenericOpenGLRenderWindow.h"
#include "vtkgl.h"
#include "QVTKInteractor.h"
#include "vtkXMLTreeReader.h"
#include "vtkRenderedTreeAreaRepresentation.h"
#include "vtkViewTheme.h"
#include "vtkTextProperty.h"
#include "vtkRenderer.h"
#include <QFile>
TreeRingViewItem::TreeRingViewItem(QGLContext* ctx, QGraphicsItem* p)
: QVTKGraphicsItem(ctx, p)
{
QPalette pal = this->palette();
pal.setColor(QPalette::Window, QColor(255,255,255,250));
this->setPalette(pal);
TreeRingView.TakeReference(vtkTreeRingView::New());
TreeRingView->SetInteractor(this->GetInteractor());
TreeRingView->SetRenderWindow(this->GetRenderWindow());
QFile f1(":/Data/vtkclasses.xml");
f1.open(QIODevice::ReadOnly);
QByteArray f1_data = f1.readAll();
QFile f2(":/Data/vtklibrary.xml");
f2.open(QIODevice::ReadOnly);
QByteArray f2_data = f2.readAll();
vtkSmartPointer<vtkXMLTreeReader> reader1 = vtkSmartPointer<vtkXMLTreeReader>::New();
reader1->SetXMLString(f1_data.data());
reader1->SetEdgePedigreeIdArrayName("graph edge");
reader1->GenerateVertexPedigreeIdsOff();
reader1->SetVertexPedigreeIdArrayName("id");
vtkSmartPointer<vtkXMLTreeReader> reader2 = vtkSmartPointer<vtkXMLTreeReader>::New();
reader2->SetXMLString(f2_data.data());
reader2->SetEdgePedigreeIdArrayName("tree edge");
reader2->GenerateVertexPedigreeIdsOff();
reader2->SetVertexPedigreeIdArrayName("id");
reader1->Update();
reader2->Update();
TreeRingView->DisplayHoverTextOn();
TreeRingView->SetTreeFromInputConnection(reader2->GetOutputPort());
TreeRingView->SetGraphFromInputConnection(reader1->GetOutputPort());
TreeRingView->SetAreaColorArrayName("VertexDegree");
// Uncomment for edge colors
//TreeRingView->SetEdgeColorArrayName("graph edge");
//TreeRingView->SetColorEdges(true);
// Uncomment for edge labels
//TreeRingView->SetEdgeLabelArrayName("graph edge");
//TreeRingView->SetEdgeLabelVisibility(true);
TreeRingView->SetAreaLabelArrayName("id");
TreeRingView->SetAreaLabelVisibility(true);
TreeRingView->SetAreaHoverArrayName("id");
TreeRingView->SetAreaSizeArrayName("VertexDegree");
vtkRenderedTreeAreaRepresentation::SafeDownCast(TreeRingView->GetRepresentation())->SetGraphHoverArrayName("graph edge");
vtkViewTheme* const theme = vtkViewTheme::CreateMellowTheme();
theme->SetLineWidth(1);
theme->GetPointTextProperty()->ShadowOn();
TreeRingView->ApplyViewTheme(theme);
theme->Delete();
this->TreeRingView->GetRenderer()->SetGradientBackground(0);
this->TreeRingView->GetRenderer()->SetBackground(0.1,0.1,0.1);
TreeRingView->ResetCamera();
}
TreeRingViewItem::~TreeRingViewItem()
{
}
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