Exemplo n.º 1
0
        /// <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();
        }