/// <summary>
/// 进行2D转换
/// </summary>
/// <param name="polyData"></param>
/// <param name="info"></param>
/// <returns></returns>
private static vtkPolyData Extrude2DSection(vtkPolyData polyData, ModelingBaseInfo info)
{
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
vtkTransformFilter transFilter = vtkTransformFilter.New();
vtkTransform transform = vtkTransform.New();
transform.RotateX(-90); // 旋转到xoy面上
transform.RotateY(info.Angle); //顺时针为正逆时针为负
// transform.Translate(info.BaseCoordinate.X, info.BaseCoordinate.Y, info.BaseCoordinate.Z);//先旋转后平移
transform.Translate(info.BaseCoordinate.X, info.BaseCoordinate.Z, info.BaseCoordinate.Y); //先旋转后平移
transFilter.SetTransform(transform);
transFilter.SetInput(polyData);
return(transFilter.GetPolyDataOutput());
}
/// <summary>
/// 进行二维结构的转换
/// </summary>
/// <param name="polyData"></param>
/// <param name="info"></param>
/// <returns></returns>
private static vtkActor FormActor2D(vtkPolyData polyData, ModelingBaseInfo info)
{//
vtkActor actor = vtkActor.New();
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
vtkTransformFilter transFilter = vtkTransformFilter.New();
vtkTransform transform = vtkTransform.New();
transform.RotateX(-90); // 旋转到xoy面上
transform.RotateY(info.Angle); //顺时针为正逆时针为负
transform.Translate(info.BaseCoordinate.X, info.BaseCoordinate.Y, info.BaseCoordinate.Z); //先旋转后平移
// transform.Translate(info.BaseCoordinate.X, info.BaseCoordinate.Z,info.BaseCoordinate.Y );//先旋转后平移
transFilter.SetTransform(transform);
transFilter.SetInput(polyData);
mapper.SetInputConnection(transFilter.GetOutputPort());
actor.SetMapper(mapper);
return(actor);
}
/// <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();
}
