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/106490653bool 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935mmdouble 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/106490653bool 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 bluevtkSmartPointer<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