这个Demo已经拖了好久好久了，今天整理文章的时候，发现躲不过了呀，前面的几篇都发出了。
文章目录
1 官方示例展示
2 官方源码
2.1CustomLinkView.h
2.2 CustomLinkView.cpp
★ 源码 ★
1 官方示例展示
啊呀，今天终于更新到这里了，一直拖延症到现在，还是没有弄明白这个项目是干啥的。仅仅展示官方代码，在项目中建了对应的文件。不要给我寄刀片哈。
点击打开按钮，显示让我打开一个XML文档，实在搞不懂这个项目是干啥的。
2 官方源码
2.1CustomLinkView.h
#ifndef CustomLinkView_H #define CustomLinkView_H #include "vtkSmartPointer.h" // Required for smart pointer internal ivars. #include // Forward Qt class declarations class Ui_CustomLinkView; // Forward VTK class declarations class vtkCommand; class vtkEventQtSlotConnect; class vtkGraphLayoutView; class vtkObject; class vtkQtTableView; class vtkQtTreeView; class vtkXMLTreeReader; class CustomLinkView : public QMainWindow { Q_OBJECT public: // Constructor/Destructor CustomLinkView(); ~CustomLinkView() override; public slots: virtual void slotOpenXMLFile(); virtual void slotExit(); protected: protected slots: public slots: // Qt signal (produced by vtkEventQtSlotConnect) will be connected to // this slot. // Full signature of the slot could be: // MySlot(vtkObject* caller, unsigned long vtk_event, // void* clientData, void* callData, vtkCommand*) void selectionChanged(vtkObject*, unsigned long, void*, void* callData); private: // Methods void SetupCustomLink(); // Members vtkSmartPointer XMLReader; vtkSmartPointer GraphView; vtkSmartPointer TreeView; vtkSmartPointer TableView; vtkSmartPointer ColumnView; // This class converts a vtkEvent to QT signal. vtkSmartPointer Connections; // Designer form Ui_CustomLinkView *ui; }; #endif // CustomLinkView_H
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2.2 CustomLinkView.cpp
#include "ui_CustomLinkView.h" #include "CustomLinkView.h" #include #include #include #include #include #include "vtkGenericOpenGLRenderWindow.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "vtkSmartPointer.h" #define VTK_CREATE(type, name) \ vtkSmartPointer name = vtkSmartPointer::New() // Constructor CustomLinkView::CustomLinkView() { this->ui = new Ui_CustomLinkView; this->ui->setupUi(this); vtkNew renderWindow; this->ui->vtkGraphViewWidget->SetRenderWindow(renderWindow); this->XMLReader = vtkSmartPointer::New(); this->GraphView = vtkSmartPointer::New(); this->TreeView = vtkSmartPointer::New(); this->TableView = vtkSmartPointer::New(); this->ColumnView = vtkSmartPointer::New(); this->ColumnView->SetUseColumnView(1); // Tell the table view to sort selections that it receives (but does // not initiate) to the top this->TableView->SetSortSelectionToTop(true); // Set widgets for the tree and table views this->ui->treeFrame->layout()->addWidget(this->TreeView->GetWidget()); this->ui->tableFrame->layout()->addWidget(this->TableView->GetWidget()); this->ui->columnFrame->layout()->addWidget(this->ColumnView->GetWidget()); // Graph View needs to get my render window this->GraphView->SetInteractor( this->ui->vtkGraphViewWidget->GetInteractor()); this->GraphView->SetRenderWindow( this->ui->vtkGraphViewWidget->GetRenderWindow()); // Set up the theme on the graph view :) vtkViewTheme* theme = vtkViewTheme::CreateNeonTheme(); this->GraphView->ApplyViewTheme(theme); theme->Delete(); // Set up action signals and slots connect(this->ui->actionOpenXMLFile, SIGNAL(triggered()), this, SLOT(slotOpenXMLFile())); connect(this->ui->actionExit, SIGNAL(triggered()), this, SLOT(slotExit())); // Apply application stylesheet QString css = "* { font: bold italic 18px \"Calibri\"; color: midnightblue }"; css += "QTreeView { font: bold italic 16px \"Calibri\"; color: midnightblue }"; //qApp->setStyleSheet(css); // Seems to cause a bug on some systems // But at least it's here as an example this->GraphView->Render(); }; // Set up the annotation between the vtk and qt views void CustomLinkView::SetupCustomLink() { this->TreeView->GetRepresentation()->SetSelectionType( vtkSelectionNode::PEDIGREEIDS); this->TableView->GetRepresentation()->SetSelectionType( vtkSelectionNode::PEDIGREEIDS); this->ColumnView->GetRepresentation()->SetSelectionType( vtkSelectionNode::PEDIGREEIDS); this->GraphView->GetRepresentation()->SetSelectionType( vtkSelectionNode::PEDIGREEIDS); // Set up the theme on the graph view :) vtkViewTheme* theme = vtkViewTheme::CreateNeonTheme(); this->GraphView->ApplyViewTheme(theme); this->GraphView->Update(); theme->Delete(); // Create vtkEventQtSlotConnect and make the connections. Connections = vtkEventQtSlotConnect::New(); // Make the connection here. // Requires vtkObject which generates the event of type // vtkCommand::SelectionChangedEvent, pointer to object // which has the given slot. vtkEvent of type SelectionChangedEvent // from reach representation should invoke selectionChanged. Connections->Connect( this->GraphView->GetRepresentation(), vtkCommand::SelectionChangedEvent, this, SLOT(selectionChanged(vtkObject*, unsigned long, void*, void*))); Connections->Connect( this->TreeView->GetRepresentation(), vtkCommand::SelectionChangedEvent, this, SLOT(selectionChanged(vtkObject*, unsigned long, void*, void*))); Connections->Connect( this->TableView->GetRepresentation(), vtkCommand::SelectionChangedEvent, this, SLOT(selectionChanged(vtkObject*, unsigned long, void*, void*))); Connections->Connect( this->ColumnView->GetRepresentation(), vtkCommand::SelectionChangedEvent, this, SLOT(selectionChanged(vtkObject*, unsigned long, void*, void*))); } CustomLinkView::~CustomLinkView() { } // Action to be taken upon graph file open void CustomLinkView::slotOpenXMLFile() { // Browse for and open the file QDir dir; // Open the text data file QString fileName = QFileDialog::getOpenFileName( this, "Select the text data file", QDir::homePath(), "XML Files (*.xml);;All Files (*.*)"); if (fileName.isNull()) { cerr << "Could not open file" << endl; return; } // Create XML reader this->XMLReader->SetFileName( fileName.toLatin1() ); this->XMLReader->ReadTagNameOff(); this->XMLReader->Update(); // Set up some hard coded parameters for the graph view this->GraphView->SetVertexLabelArrayName("id"); this->GraphView->VertexLabelVisibilityOn(); this->GraphView->SetVertexColorArrayName("VertexDegree"); this->GraphView->ColorVerticesOn(); this->GraphView->SetEdgeColorArrayName("edge id"); this->GraphView->ColorEdgesOn(); // Create a tree layout strategy VTK_CREATE(vtkTreeLayoutStrategy, treeStrat); treeStrat->RadialOn(); treeStrat->SetAngle(360); treeStrat->SetLogSpacingValue(1); this->GraphView->SetLayoutStrategy(treeStrat); // Set the input to the graph view this->GraphView->SetRepresentationFromInputConnection( this->XMLReader->GetOutputPort()); // Okay now do an explicit reset camera so that // the user doesn't have to move the mouse // in the window to see the resulting graph this->GraphView->ResetCamera(); // Now hand off tree to the tree view this->TreeView->SetRepresentationFromInputConnection( this->XMLReader->GetOutputPort()); this->ColumnView->SetRepresentationFromInputConnection( this->XMLReader->GetOutputPort()); // Extract a table and give to table view VTK_CREATE(vtkDataObjectToTable, toTable); toTable->SetInputConnection(this->XMLReader->GetOutputPort()); toTable->SetFieldType(vtkDataObjectToTable::VERTEX_DATA); this->TableView->SetRepresentationFromInputConnection( toTable->GetOutputPort()); this->SetupCustomLink(); // Hide an unwanted column in the tree view. this->TreeView->HideColumn(2); // Turn on some colors. this->TreeView->SetColorArrayName("vertex id"); this->TreeView->ColorByArrayOn(); // Update all the views this->TreeView->Update(); this->TableView->Update(); this->ColumnView->Update(); // Force a render on the graph view this->GraphView->Render(); } void CustomLinkView::slotExit() { qApp->exit(); } // This defines the QT slot. They way it works is first get the vtkSelection, // push it to the default vtkAnnotationLink associated with each // vtkDataRepresentation of each view type and then call Update or // Render (if it is a vtkRenderView) on each view. void CustomLinkView::selectionChanged(vtkObject*, unsigned long, void* vtkNotUsed(clientData), void* callData) { vtkSelection* selection = reinterpret_cast(callData); if(selection) { this->GraphView->GetRepresentation()->GetAnnotationLink()-> SetCurrentSelection(selection); this->TreeView->GetRepresentation()->GetAnnotationLink()-> SetCurrentSelection(selection); this->TableView->GetRepresentation()->GetAnnotationLink()-> SetCurrentSelection(selection); this->ColumnView->GetRepresentation()->GetAnnotationLink()-> SetCurrentSelection(selection); this->TreeView->Update(); this->TableView->Update(); this->ColumnView->Update(); this->GraphView->Render(); } }
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★ 源码 ★
源码分享一时爽，一直分享一直爽， 链接如下：
自取：https://github.com/DreamLife-Jianwei/Qt-Vtk
Qt
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