public void SetPosition(double[] xyz1, double[] xyz2)
{
vtkPoints points = vtkPoints.New();
points.InsertPoint(0, xyz1[0], xyz1[1], xyz1[2]);
points.InsertPoint(1, xyz2[0], xyz2[1], xyz2[2]);
vtkCellArray lines = vtkCellArray.New();
lines.InsertNextCell(2);
lines.InsertCellPoint(0);
lines.InsertCellPoint(1);
vtkPolyData profileData = new vtkPolyData();
profileData.SetPoints(points);
profileData.SetLines(lines);
profileData.SetVerts(lines);
profileData.Update();
vtkCleanPolyData cleanFilter = new vtkCleanPolyData();
cleanFilter.SetInput(profileData);
cleanFilter.Update();
vtkTubeFilter profileTubes = new vtkTubeFilter();
profileTubes.SetNumberOfSides(10);
profileTubes.SetInput(cleanFilter.GetOutput());
//profileTubes.SetVaryRadiusToVaryRadiusByVector();
profileTubes.SetRadius(1);
profileTubes.SetInputArrayToProcess(1, 0, 0, 0, "vectors");
//vtkPolyDataMapper profileMapper = new vtkPolyDataMapper();
//profileMapper.SetInputConnection(profileTubes.GetOutputPort());
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInput(profileTubes.GetOutput());
centerLineActor.SetMapper(mapper);
centerLineActor.GetProperty().SetOpacity(0.5);
}
public static vtkPolyData Create(List <double[]> xyz1, double radius)
{
vtkPoints points = new vtkPoints();
for (int index = 0; index < xyz1.Count; index++)
{
double[] doubles = xyz1[index];
points.InsertPoint(index, doubles[0], doubles[1], doubles[2]);
}
vtkCellArray lines = new vtkCellArray();
lines.InsertNextCell(xyz1.Count);
for (int index = 0; index < xyz1.Count; index++)
{
lines.InsertCellPoint(index);
}
vtkPolyData profileData = new vtkPolyData();
profileData.SetPoints(points);
profileData.SetLines(lines);
profileData.SetVerts(lines);
profileData.Update();
vtkCleanPolyData cleanFilter = new vtkCleanPolyData();
cleanFilter.SetInput(profileData);
cleanFilter.Update();
vtkTubeFilter profileTubes = new vtkTubeFilter();
profileTubes.SetNumberOfSides(10);
profileTubes.SetInput(cleanFilter.GetOutput());
//profileTubes.SetVaryRadiusToVaryRadiusByVector();
profileTubes.SetRadius(radius);
profileTubes.SetInputArrayToProcess(1, 0, 0, 0, "vectors");
return(profileTubes.GetOutput());
}
/// <summary>
/// 进行三维结构的转换
/// </summary>
/// <param name="degree"></param>
/// <param name="polyData"></param>
/// <param name="info"></param>
/// <returns></returns>
private static vtkPolyData Extrude3DSection(float degree, vtkPolyData polyData, ModelingBaseInfo info)
{
//进行拉伸以构造的三维实体
vtkRotationalExtrusionFilter extrude = vtkRotationalExtrusionFilter.New();
extrude.SetInput(polyData);
extrude.SetResolution(80);
extrude.SetAngle(degree);//旋转
extrude.CappingOn();
vtkPolyDataNormals normals = vtkPolyDataNormals.New();
normals.SetInput(extrude.GetOutput());
normals.SetFeatureAngle(100);
//进行转换
vtkTransform transform = vtkTransform.New();
transform.RotateX(info.Angle); //逆时针为正，顺时针为负
transform.Translate(info.BaseCoordinate.X, info.BaseCoordinate.Y, info.BaseCoordinate.Z); //先旋转后平移
vtkTransformFilter transFilter = vtkTransformFilter.New();
transFilter.SetTransform(transform);
transFilter.SetInput(normals.GetOutput());
//vtkTriangleFilter filter = vtkTriangleFilter.New();
//filter.SetInput(transFilter.GetOutput());
//return filter.GetPolyDataInput(0);
vtkCleanPolyData clearPolydata = vtkCleanPolyData.New();//清除重合的点和片
clearPolydata.SetInput(transFilter.GetOutput());
return(clearPolydata.GetOutput());
//return transFilter.GetPolyDataOutput();
}
