QT学习VTK序列: Cell3D_vtktetra-优快云博客

本文链接：https://blog.youkuaiyun.com/hit1524468/article/details/104888013

本文详细介绍了vtkUnstructuredGrid作为vtkDataSet的实现，它能表示各种维数的细胞类型，包括0D、1D、2D和3D。内容涵盖了从点、线到三角形、四面体等不同几何结构。

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vtkUnstructuredGrid is a data object that is a concrete implementation of
* vtkDataSet. vtkUnstructuredGrid represents any combinations of any cell
* types. This includes 0D (e.g., points), 1D (e.g., lines, polylines), 2D
* (e.g., triangles, polygons), and 3D (e.g., hexahedron, tetrahedron,
* polyhedron, etc.).

vtkUnstructedGrid是vtkDataSet的具体实现类。vtkUnstructedGrid表示任何拓扑类型(cell types)。包含0D(e.g. points)， 1D(e.g. lines, polylines), 2D(e.g., triangles, polygons)和3D(e.g. hexahedron, tetrahedron, polyhedron)。

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

/*
 * ModuleName: 模块名称
 * Description:
 * 参考代码：https://lorensen.github.io/VTKExamples/site/Cxx/GeometricObjects/Cell3DDemonstration/
 * Author: hsw
 * Date: 2020-03-15
 *
*/

// QT
#include <QMainWindow>
#include <QDebug>

// VTK
#include <vtkActor.h>
#include <vtkActor2D.h>
#include <vtkCamera.h>
#include <vtkCellArray.h>
#include <vtkDataSetMapper.h>
#include <vtkHexagonalPrism.h>
#include <vtkHexahedron.h>
#include <vtkNamedColors.h>
#include <vtkPentagonalPrism.h>
#include <vtkPoints.h>
#include <vtkPolyhedron.h>
#include <vtkProperty.h>
#include <vtkPyramid.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkSmartPointer.h>
#include <vtkTetra.h>
#include <vtkTextMapper.h>
#include <vtkTextProperty.h>
#include <vtkUnstructuredGrid.h>
#include <vtkVoxel.h>
#include <vtkWedge.h>
#include <vtkAutoInit.h>

// C++
#include <array>
#include <cstdlib>
#include <string>
#include <vector>

namespace Ui {
class MainWindow;
}

VTK_MODULE_INIT(vtkRenderingOpenGL2);
VTK_MODULE_INIT(vtkInteractionStyle);
VTK_MODULE_INIT(vtkRenderingContextOpenGL2);
VTK_MODULE_INIT(vtkRenderingFreeType);

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();
private:
    vtkSmartPointer<vtkUnstructuredGrid> MakeHexagonalPrism();
    vtkSmartPointer<vtkUnstructuredGrid> MakeHexahedron();
    vtkSmartPointer<vtkUnstructuredGrid> MakePentagonalPrism();

    vtkSmartPointer<vtkUnstructuredGrid> MakePolyhedron();
    vtkSmartPointer<vtkUnstructuredGrid> MakePyramid();
    vtkSmartPointer<vtkUnstructuredGrid> MakeTetrahedron();

    vtkSmartPointer<vtkUnstructuredGrid> MakeVoxel();
    vtkSmartPointer<vtkUnstructuredGrid> MakeWedge();
private:
    void MakeGridWindowRender(const int gridRow, const int gridCol);
private:
    Ui::MainWindow *ui;
private:
    // 文本内容
    std::vector<std::string>                            titles;
    // 文本
    std::vector<vtkSmartPointer<vtkTextMapper> >        textMappers;
    std::vector<vtkSmartPointer<vtkActor2D> >           textActors;
    std::vector<vtkSmartPointer<vtkUnstructuredGrid> >  uGrids;
    std::vector<vtkSmartPointer<vtkDataSetMapper> >     mappers;
    std::vector<vtkSmartPointer<vtkActor> >             actors;
    std::vector<vtkSmartPointer<vtkRenderer> >          renderers;

    vtkSmartPointer<vtkRenderWindow>                    renderWindow;
    vtkSmartPointer<vtkRenderWindowInteractor>          renderWindowInteractor;

    int                                                 totalRendererCnt;
private:
    vtkSmartPointer<vtkNamedColors>       namedColors;
    vtkColor3d                            backgroundColor;
    vtkColor3d                            actorFaceColor;
};

#endif // MAINWINDOW_H

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{