1.参数

2.主代码

#include "InitInclude.h"
#include <vtkQuadric.h>
#include <vtkSampleFunction.h>
#include <vtkContourFilter.h>
#include <vtkOutlineFilter.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkImageData.h>
#include <vtkSmartPointer.h>
void Sphere();
//vtkSmartPointer<vtkActor> PlotFunction(vtkQuadric*quadric, double value);
//vtkSmartPointer<vtkActor> PlotFunction();
//装源及主机
vtkSmartPointer<vtkActor> sheyuan()
{
    const int num_points = 4;
    vtkSmartPointer<vtkUnstructuredGrid> polygonGrid = vtkSmartPointer<vtkUnstructuredGrid>::New();
    vtkSmartPointer<vtkPoints> polygonPoints = vtkSmartPointer<vtkPoints>::New();
    vtkSmartPointer<vtkPolygon> polygon = vtkSmartPointer<vtkPolygon>::New();
    vtkSmartPointer<vtkDataSetMapper> polygonMapper = vtkSmartPointer<vtkDataSetMapper>::New();
    vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
    double top_left[num_points][3] = {
        { 0, 2280 - 3200, 0 },
        { 0, 2280, 0 },
        { -2300, 2280, 0 },
        { -2300, 2280 - 3200, 0 }
    };
    double Hight = 2170.0;
    // 几何数据 + 拓扑数据
    polygonPoints->SetNumberOfPoints(num_points);
    polygon->GetPointIds()->SetNumberOfIds(num_points);
    for (int i = 0; i < num_points; ++i){
        polygonPoints->SetPoint(i, top_left[i]);
        polygon->GetPointIds()->SetId(i, i);
    }

    polygonGrid->InsertNextCell(polygon->GetCellType(), polygon->GetPointIds());
    polygonGrid->SetPoints(polygonPoints);

    vtkNew<vtkDataSetSurfaceFilter> surface_filter;
    surface_filter->SetInputData(polygonGrid);
    surface_filter->Update();

    vtkNew<vtkTriangleFilter> filter;
    filter->SetInputData(surface_filter->GetOutput());
    filter->Update();

    // Apply linear extrusion(对平面进行拉伸成3D)
    vtkSmartPointer<vtkLinearExtrusionFilter> extrude = vtkSmartPointer<vtkLinearExtrusionFilter>::New();
    extrude->SetInputConnection(filter->GetOutputPort());
    extrude->SetExtrusionTypeToNormalExtrusion();
    extrude->SetVector(0, 0, 1);// 沿文字方向挤压,沿着z向上
    extrude->SetScaleFactor(Hight);// 设置挤压比例 //blog.csdn.net/wanyongtai/article/details/106490653
    bool isExtrude = true;
    if (isExtrude)
    {
        polygonMapper->SetInputConnection(extrude->GetOutputPort());
    }
    else
    {
        polygonMapper->SetInputConnection(filter->GetOutputPort());
    }
     
    polygonMapper->ScalarVisibilityOff();
    actor->SetMapper(polygonMapper);

    actor->GetProperty()->SetOpacity(1.0);
    actor->GetProperty()->SetColor(0.6, 0.2, 0.61);
    return actor;
}

//床
vtkSmartPointer<vtkActor> chuang()
{
    const int num_points = 4;
    vtkSmartPointer<vtkUnstructuredGrid> polygonGrid = vtkSmartPointer<vtkUnstructuredGrid>::New();
    vtkSmartPointer<vtkPoints> polygonPoints = vtkSmartPointer<vtkPoints>::New();
    vtkSmartPointer<vtkPolygon> polygon = vtkSmartPointer<vtkPolygon>::New();
    vtkSmartPointer<vtkDataSetMapper> polygonMapper = vtkSmartPointer<vtkDataSetMapper>::New();
    vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
    double chuangkuan_danbian = 800;//图纸显示为935mm
    double top_left[num_points][3] = {
        { 0, -1*chuangkuan_danbian, 0 },
        { 2360, -1 * chuangkuan_danbian, 0 },
        { 2360, chuangkuan_danbian, 0 },
        { 0, chuangkuan_danbian, 0 },
 
    };
    double ChangHight = 851;
    // 几何数据 + 拓扑数据
    polygonPoints->SetNumberOfPoints(num_points);
    polygon->GetPointIds()->SetNumberOfIds(num_points);
    for (int i = 0; i < num_points; ++i){
        polygonPoints->SetPoint(i, top_left[i]);
        polygon->GetPointIds()->SetId(i, i);
    }

    polygonGrid->InsertNextCell(polygon->GetCellType(), polygon->GetPointIds());
    polygonGrid->SetPoints(polygonPoints);

    vtkNew<vtkDataSetSurfaceFilter> surface_filter;
    surface_filter->SetInputData(polygonGrid);
    surface_filter->Update();

    vtkNew<vtkTriangleFilter> filter;
    filter->SetInputData(surface_filter->GetOutput());
    filter->Update();

    // Apply linear extrusion(对平面进行拉伸成3D)
    vtkSmartPointer<vtkLinearExtrusionFilter> extrude = vtkSmartPointer<vtkLinearExtrusionFilter>::New();
    extrude->SetInputConnection(filter->GetOutputPort());
    extrude->SetExtrusionTypeToNormalExtrusion();
    extrude->SetVector(0, 0, 1);// 沿文字方向挤压,沿着z向上
    extrude->SetScaleFactor(ChangHight);// 设置挤压比例 //blog.csdn.net/wanyongtai/article/details/106490653
    bool isExtrude = true;
    if (isExtrude)
    {
        polygonMapper->SetInputConnection(extrude->GetOutputPort());
    }
    else
    {
        polygonMapper->SetInputConnection(filter->GetOutputPort());
    }

    polygonMapper->ScalarVisibilityOff();
    actor->SetMapper(polygonMapper);

    actor->GetProperty()->SetOpacity(0.7);
    actor->GetProperty()->SetColor(0.8, 0.8, 0.8);
    return actor;

}

void  GammaKnife()
{
    vtkSmartPointer<vtkActor> actorzhuji = vtkSmartPointer<vtkActor>::New();
    vtkSmartPointer<vtkActor> actorChang = vtkSmartPointer<vtkActor>::New();
    //vtkSmartPointer<vtkActor> actorPlotFunction  = vtkSmartPointer<vtkActor>::New();
      
    vtkSmartPointer<vtkRenderer> render = vtkSmartPointer<vtkRenderer>::New();
    actorzhuji = sheyuan();
    actorChang = chuang();
    //actorPlotFunction =  PlotFunction();

    render->AddActor(actorzhuji);
    render->AddActor(actorChang);
    //render->AddActor(actorPlotFunction);

    render->SetBackground(1, 1, 1); // Background color dark blue

    vtkSmartPointer<vtkRenderWindow> renWin = vtkSmartPointer<vtkRenderWindow>::New();
    //vtkNew<vtkRenderWindow> renWin;
    renWin->AddRenderer(render);
    renWin->SetSize(1024, 768);
    vtkNew<vtkRenderWindowInteractor> iren;
    iren->SetRenderWindow(renWin);
    renWin->Render();
    iren->Initialize();
    iren->Start(); //blog.csdn.net/liushao1031177/article/details/118443631  
}
  
//int main1()
//{
//  Sphere();
//  return 0;
//}
//
//void Sphere()
//{
//  vtkSmartPointer<vtkQuadric>quadric = vtkSmartPointer<vtkQuadric>::New();
//  quadric->SetCoefficients(200, 200, 120, 0, 0, 0, 0, 0, 0, 0);
//
//  // F(x,y,z) = a0*x^2 + a1*y^2 + a2*z^2 + a3*x*y + a4*y*z + a5*x*z + a6*x + a7*y + a8*z + a9
//  // F(x,y,z) = 1*x^2 + 1*y^2 + 1*z^2
//  //PlotFunction(quadric, 1);
//  PlotFunction( );
//}
//
////vtkSmartPointer<vtkActor> PlotFunction(vtkQuadric *quadric, double value)
//vtkSmartPointer<vtkActor> PlotFunction( )
//{
//
//  vtkSmartPointer<vtkQuadric>quadric = vtkSmartPointer<vtkQuadric>::New();
//  quadric->SetCoefficients(0.5, 0.5, 0.4, 0, 0, 0, 0, 0, 0, 0);
//  double value = 1;
//
//  //采样二次函数
//  vtkSmartPointer<vtkSampleFunction>sample = vtkSmartPointer<vtkSampleFunction>::New();
//  sample->SetSampleDimensions(150, 150, 150);
//  sample->SetImplicitFunction(quadric);
//  //x,y,z取值范围
//  double xmin = -2, xmax = 2, ymin = -2, ymax = 2, zmin = 0, zmax = 2;
//  //double scale = 0.2;
//  sample->SetModelBounds(xmin, xmax, ymin, ymax, zmin, zmax);
//  //创建5个曲面surfaces F(x,y,z) = constant
//
//  /*vtkContourFilter*contours=vtkContourFilter::New();
//  contours->SetInputData(sample->GetOutput());
//  contours->GenerateValues(5,0,1.2);*/
//  //创建第0 isosurface
//  vtkSmartPointer<vtkContourFilter>contours = vtkSmartPointer<vtkContourFilter>::New();
//  contours->SetInputConnection(sample->GetOutputPort());
//  contours->GenerateValues(1, value, value);
//  //将contours映射到图形图元
//  vtkSmartPointer<vtkPolyDataMapper>contourMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
//  contourMapper->SetInputConnection(contours->GetOutputPort());
//  contourMapper->SetScalarRange(0, 1.2);
//  //创建contour演员
//  vtkSmartPointer<vtkActor>contourActor = vtkSmartPointer<vtkActor>::New();
//  contourActor->SetMapper(contourMapper);
//  /*创建一个方盒，将函数曲面包围起来，标识抽样体*/
//  ////创建方盒的边看线
//  //vtkSmartPointer<vtkOutlineFilter>outline = vtkSmartPointer<vtkOutlineFilter>::New();
//  //outline->SetInputConnection(sample->GetOutputPort());
//  ////将线框映射为图形图元
//  //vtkSmartPointer<vtkPolyDataMapper>outlineMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
//  //outlineMapper->SetInputConnection(outline->GetOutputPort());
//  //创建outline演员
//  vtkSmartPointer<vtkActor> outlineActor = vtkSmartPointer<vtkActor>::New();
//  outlineActor->SetMapper(contourMapper);
//  //outlineActor->SetMapper(outlineMapper);
//  outlineActor->GetProperty()->SetColor(0, 0, 0);
//  return outlineActor;
//
//  ////创建显示窗口
//  //vtkSmartPointer<vtkRenderer> ren1 = vtkSmartPointer<vtkRenderer>::New();
//  //vtkSmartPointer<vtkRenderWindow>renWin = vtkSmartPointer<vtkRenderWindow>::New();
//  //renWin->AddRenderer(ren1);
//  //vtkSmartPointer<vtkRenderWindowInteractor>iren = vtkSmartPointer<vtkRenderWindowInteractor>::New();
//  //iren->SetRenderWindow(renWin);
//  ////在场景中添加演员
//  //ren1->AddActor(contourActor);
//  //ren1->AddActor(outlineActor);
//  //ren1->SetBackground(1, 1, 1);
//  ////渲染 互动
//  //renWin->Render();
//  //iren->Start();
//}

3.效果

image.png