采用 QT5.15  VTK9.2.0

建立QT QUICK项目

部分方法来源于 QML加载VTK

main.cpp

#include <QGuiApplication>
#include <QQmlApplicationEngine>

#include <QQuickVTKRenderWindow.h>
#include <QQuickVTKRenderItem.h>
#include <vtkPolyDataMapper.h>
#include <vtkCylinderSource.h>
#include <vtkCubeSource.h>



int main(int argc, char *argv[])
{
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif

    //定义app之前调用一次， 官方文档上写的 
    QQuickVTKRenderWindow::setupGraphicsBackend();


    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;

    qmlRegisterType<QQuickVTKRenderWindow>("VTK", 9, 2, "VTKRenderWindow");
    qmlRegisterType<QQuickVTKRenderItem>("VTK", 9, 2, "VTKRenderItem");

    const QUrl url(QStringLiteral("qrc:/main.qml"));
    QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
                     &app, [url](QObject *obj, const QUrl &objUrl) {
        if (!obj && url == objUrl)
            QCoreApplication::exit(-1);
    }, Qt::QueuedConnection);
    engine.load(url);


    //------------------------------------
    //建立一个圆柱体
    vtkNew<vtkCylinderSource> cylinder;
    cylinder->SetResolution(8);
 
    vtkNew<vtkPolyDataMapper> cylinderMapper;
    cylinderMapper->SetInputConnection(cylinder->GetOutputPort());
 
    vtkSmartPointer<vtkActor> cylinderActor=vtkSmartPointer<vtkActor>::New();
    cylinderActor->SetMapper(cylinderMapper); 
    cylinderActor->RotateX(30.0);
    cylinderActor->RotateY(-45.0);

    auto qquickvtkItem = engine.rootObjects().first()
            ->findChild< QQuickVTKRenderItem* >( "ConeView" );
    auto main_render_3d = qquickvtkItem->renderer();

    main_render_3d->AddActor(cylinderActor);
    main_render_3d->ResetCamera();

    QQuickVTKRenderWindow* ren_win_3d = engine.rootObjects().first()
            ->findChild< QQuickVTKRenderWindow* >( "renderWindow" );
    ren_win_3d->render();

    return app.exec();
}

main.qml

import QtQuick 2.15
import QtQuick.Window 2.15
import QtQuick.Controls 2.5

import VTK 9.2

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    onWidthChanged: { console.log(width) }
    //---------------------------------------
    //---------------------------------------

    VTKRenderWindow{
        id: vtkwindow
        z: 10

        //注意这个objectName， 等会要用到!!!!! x1
        objectName: "renderWindow"

        width: parent.width * 0.9
        height: width
        anchors.centerIn: parent
    }

    VTKRenderItem{
        id: coneViewItem
        z: 10

        //注意这个objectName， 等会要用到!!!!! x2
        objectName: "ConeView"

        anchors.fill: vtkwindow
        renderWindow: vtkwindow
        focus: true
    }

}

pro文件

QT += quick

# You can make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

SOURCES += \
        main.cpp

RESOURCES += qml.qrc

# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =

# Additional import path used to resolve QML modules just for Qt Quick Designer
QML_DESIGNER_IMPORT_PATH =

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target


##VTK
INCLUDEPATH+=$$quote(D:/WORKSPACE/VTK/VTK920/runtime/include/vtk-9.2)

CONFIG(debug,debug|release){
    LIBS+=$$quote(D:/WORKSPACE/VTK/VTK920/runtime/lib/*.lib)
}else{
    LIBS+=$$quote(D:/WORKSPACE/VTK/VTK920/runtime/lib/*.lib)
}