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65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
#include "FITKBoundaryActor.h"
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#include <vtkActor.h>
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#include <vtkDataSetMapper.h>
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#include <vtkPoints.h>
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#include <vtkIdList.h>
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#include <vtkSmartPointer.h>
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#include <vtkCellType.h>
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#include <vtkUnstructuredGrid.h>
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#include <vtkProperty.h>
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namespace Comp
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{
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FITKBoundaryActor::FITKBoundaryActor()
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{
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//渲染窗口范围对象创建
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_boundaryActor = vtkActor::New();
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_boundaryActor->SetMapper(vtkSmartPointer<vtkDataSetMapper>::New());
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//边界对象创建
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vtkSmartPointer<vtkUnstructuredGrid> ugrid = vtkSmartPointer<vtkUnstructuredGrid>::New();
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vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
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points->InsertNextPoint(0., 0., 0.);
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points->InsertNextPoint(0., 0., 0.);
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//顶点创建
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vtkSmartPointer<vtkIdList> c1 = vtkSmartPointer<vtkIdList>::New();
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c1->InsertNextId(0);
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vtkSmartPointer<vtkIdList> c2 = vtkSmartPointer<vtkIdList>::New();
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c2->InsertNextId(1);
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//添加两个节点单元类型
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ugrid->InsertNextCell(VTKCellType::VTK_VERTEX, c1);
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ugrid->InsertNextCell(VTKCellType::VTK_VERTEX, c2);
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ugrid->SetPoints(points);
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_boundaryActor->GetMapper()->SetInputDataObject(ugrid);
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//设置为透明
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_boundaryActor->GetProperty()->SetOpacity(0);
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}
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FITKBoundaryActor::~FITKBoundaryActor()
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{
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if (_boundaryActor)
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_boundaryActor->Delete();
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}
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vtkActor* FITKBoundaryActor::getActor()
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{
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return _boundaryActor;
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}
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void FITKBoundaryActor::updateBoundary(double* bound)
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{
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//获取网格
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vtkUnstructuredGrid* ugrid =
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vtkUnstructuredGrid::SafeDownCast(_boundaryActor->GetMapper()->GetInput());
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if (ugrid == nullptr) return;
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//重置
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vtkPoints* pts = ugrid->GetPoints();
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pts->Reset();
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//重置边界
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pts->InsertNextPoint(bound[0], bound[2], bound[4]);
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pts->InsertNextPoint(bound[1], bound[3], bound[5]);
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ugrid->Modified();
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}
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}
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