QtVtk-017-EasyView

​ 今天这个还是搞不懂，接着更新官方源代码。

1 官方示例展示

​ 不知道这个Demo和CustomLinkView Demo有什么区别。简单运行没有看到啥不一样的呀，占坑，不要寄刀片。

2 官方源代码

2.1 EasyView.h

#ifndef EasyView_H
#define EasyView_H#include "vtkSmartPointer.h"    // Required for smart pointer internal ivars.#include <QMainWindow>// Forward Qt class declarations
class Ui_EasyView;// Forward VTK class declarations
class vtkXMLTreeReader;
class vtkGraphLayoutView;
class vtkQtTableView;
class vtkQtTreeView;class EasyView : public QMainWindow
{Q_OBJECTpublic:// Constructor/DestructorEasyView();~EasyView() override;public slots:virtual void slotOpenXMLFile();virtual void slotExit();protected:protected slots:private:// Methodsvoid SetupAnnotationLink();// MembersvtkSmartPointer<vtkXMLTreeReader>       XMLReader;vtkSmartPointer<vtkGraphLayoutView>     GraphView;vtkSmartPointer<vtkQtTreeView>          TreeView;vtkSmartPointer<vtkQtTableView>         TableView;vtkSmartPointer<vtkQtTreeView>          ColumnView;// Designer formUi_EasyView *ui;
};#endif // EasyView_H

2.2 EasyView.cpp

#include "ui_EasyView.h"
#include "EasyView.h"// VTK includes
#include <vtkAnnotationLink.h>
#include <vtkDataObjectToTable.h>
#include <vtkDataRepresentation.h>
#include "vtkGenericOpenGLRenderWindow.h"
#include <vtkGraphLayoutView.h>
#include <vtkQtTableView.h>
#include <vtkQtTreeView.h>
#include <vtkRenderer.h>
#include <vtkSelection.h>
#include <vtkSelectionNode.h>
#include <vtkTable.h>
#include <vtkTableToGraph.h>
#include <vtkTreeLayoutStrategy.h>
#include <vtkViewTheme.h>
#include <vtkViewUpdater.h>
#include <vtkXMLTreeReader.h>// Qt includes
#include <QDir>
#include <QFileDialog>
#include <QTreeView>#include "vtkSmartPointer.h"
#define VTK_CREATE(type, name) \vtkSmartPointer<type> name = vtkSmartPointer<type>::New()// Constructor
EasyView::EasyView()
{this->ui = new Ui_EasyView;this->ui->setupUi(this);vtkNew<vtkGenericOpenGLRenderWindow> renderWindow;this->ui->vtkGraphViewWidget->SetRenderWindow(renderWindow);this->XMLReader    = vtkSmartPointer<vtkXMLTreeReader>::New();this->GraphView    = vtkSmartPointer<vtkGraphLayoutView>::New();this->TreeView     = vtkSmartPointer<vtkQtTreeView>::New();this->TableView    = vtkSmartPointer<vtkQtTableView>::New();this->ColumnView   = vtkSmartPointer<vtkQtTreeView>::New();this->ColumnView->SetUseColumnView(1);// Tell the table view to sort selections that it receives (but does// not initiate) to the topthis->TableView->SetSortSelectionToTop(true);// Set widgets for the tree and table viewsthis->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 windowthis->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 slotsconnect(this->ui->actionOpenXMLFile, SIGNAL(triggered()), this, SLOT(slotOpenXMLFile()));connect(this->ui->actionExit, SIGNAL(triggered()), this, SLOT(slotExit()));// Apply application stylesheetQString 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 examplethis->GraphView->Render();
};// Set up the annotation between the vtk and qt views
void EasyView::SetupAnnotationLink()
{// Create a selection link and have all the views use itVTK_CREATE(vtkAnnotationLink,annLink);this->TreeView->GetRepresentation()->SetAnnotationLink(annLink);this->TreeView->GetRepresentation()->SetSelectionType(vtkSelectionNode::PEDIGREEIDS);this->TableView->GetRepresentation()->SetAnnotationLink(annLink);this->TableView->GetRepresentation()->SetSelectionType(vtkSelectionNode::PEDIGREEIDS);this->ColumnView->GetRepresentation()->SetAnnotationLink(annLink);this->ColumnView->GetRepresentation()->SetSelectionType(vtkSelectionNode::PEDIGREEIDS);this->GraphView->GetRepresentation()->SetAnnotationLink(annLink);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();VTK_CREATE(vtkViewUpdater,updater);updater->AddView(this->TreeView);updater->AddView(this->TableView);updater->AddView(this->ColumnView);updater->AddView(this->GraphView);updater->AddAnnotationLink(annLink);
}EasyView::~EasyView()
{}// Action to be taken upon graph file open
void EasyView::slotOpenXMLFile()
{// Browse for and open the fileQDir dir;// Open the text data fileQString 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 readerthis->XMLReader->SetFileName( fileName.toLatin1() );this->XMLReader->ReadTagNameOff();this->XMLReader->Update();// Set up some hard coded parameters for the graph viewthis->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 strategyVTK_CREATE(vtkTreeLayoutStrategy, treeStrat);treeStrat->RadialOn();treeStrat->SetAngle(360);treeStrat->SetLogSpacingValue(1);this->GraphView->SetLayoutStrategy(treeStrat);// Set the input to the graph viewthis->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 graphthis->GraphView->ResetCamera();// Now hand off tree to the tree viewthis->TreeView->SetRepresentationFromInputConnection(this->XMLReader->GetOutputPort());this->ColumnView->SetRepresentationFromInputConnection(this->XMLReader->GetOutputPort());// Extract a table and give to table viewVTK_CREATE(vtkDataObjectToTable, toTable);toTable->SetInputConnection(this->XMLReader->GetOutputPort());toTable->SetFieldType(vtkDataObjectToTable::VERTEX_DATA);this->TableView->SetRepresentationFromInputConnection(toTable->GetOutputPort());this->SetupAnnotationLink();// 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 viewsthis->TreeView->Update();this->TableView->Update();this->ColumnView->Update();// Force a render on the graph viewthis->GraphView->Render();
}void EasyView::slotExit() {qApp->exit();
}

★ 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