vtk绘制三维穿刺针

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#include <vtkActor.h>
#include <vtkCellArray.h>
#include <vtkLine.h>
#include <vtkLineSource.h>

#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkTubeFilter.h>/*
* This example creates a tube around a line.
* This is helpful because when you zoom the camera,
* the thickness of a line remains constant,
* while the thickness of a tube varies.
* */int main(int, char* [])
{vtkNew<vtkNamedColors> colors;// Create a linevtkNew<vtkLineSource> lineSource;lineSource->SetPoint1(1.0, 0.0, 0.0);lineSource->SetPoint2(0.0, 1.0, 0.0);double center[3] = { (lineSource->GetPoint1()[0] + lineSource->GetPoint2()[0]) / 2, (lineSource->GetPoint1()[1] + lineSource->GetPoint2()[1]) / 2, (lineSource->GetPoint1()[2] + lineSource->GetPoint2()[2]) / 2 };vtkNew<vtkLineSource> line;line->SetPoint1(1.0, 0.0, 0.0);line->SetPoint2(center);// Create a mapper and actorvtkNew<vtkPolyDataMapper> lineMapper;lineMapper->SetInputConnection(lineSource->GetOutputPort());vtkNew<vtkActor> lineActor;//lineActor->GetProperty()->SetColor(1.0,1.0,1.0);lineActor->GetProperty()->SetLineWidth(1);lineActor->SetMapper(lineMapper);vtkNew<vtkPolyDataMapper> lineMapper1;lineMapper1->SetInputConnection(line->GetOutputPort());vtkNew<vtkActor> lineActor1;//lineActor1->GetProperty()->SetColor(1.0, 1.0, 1.0);lineActor1->GetProperty()->SetLineWidth(1);lineActor1->SetMapper(lineMapper1);// Create a tube (cylinder) around the linevtkNew<vtkTubeFilter> tubeFilter;tubeFilter->SetInputConnection(line->GetOutputPort());tubeFilter->SetRadius(.025); // default is .5tubeFilter->SetNumberOfSides(50);tubeFilter->Update();// Create a mapper and actorvtkNew<vtkPolyDataMapper> tubeMapper;tubeMapper->SetInputConnection(tubeFilter->GetOutputPort());vtkNew<vtkActor> tubeActor;tubeActor->GetProperty()->SetOpacity(0.5); // Make the tube have some transparency.tubeActor->SetMapper(tubeMapper);// Create a renderer, render window, and interactorvtkNew<vtkRenderer> renderer;vtkNew<vtkRenderWindow> renderWindow;renderWindow->AddRenderer(renderer);renderWindow->SetWindowName("TubeFilter");vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;renderWindowInteractor->SetRenderWindow(renderWindow);// Add the actor to the scenerenderer->AddActor(tubeActor);renderer->AddActor(lineActor);renderer->AddActor(lineActor1);renderer->SetBackground(colors->GetColor3d("DarkSlateGray").GetData());// Render and interactrenderWindow->Render();renderWindowInteractor->Start();return EXIT_SUCCESS;
}

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vtk绘制三维穿刺针

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