示例#1
0
        private void queryToolStripMenuItem_Click(object sender, EventArgs e)
        {
            SelectedShapeQuery context = new SelectedShapeQuery();

            renderView.QuerySelection(context);

            TopoShape subShape = context.GetSubGeometry();
            SceneNode topoNode = context.GetSubNode();


            if (subShape != null)
            {
                Console.WriteLine(subShape.GetShapeType());
            }

            Matrix4 shapeTransform = topoNode.GetTransform();
            //surface
            GeomSurface surface = new GeomSurface();

            if (surface.Initialize(subShape))
            {
                List <Vector3> ptVecList  = new List <Vector3>();
                List <Vector3> norVecList = new List <Vector3>();
                Console.Write("surface");
                //double firstU = surface.FirstUParameter();
                //double lastU = surface.LastUParameter();
                //double firstV = surface.FirstVParameter();
                //double lastV = surface.LastVParameter();
                double firstU  = surface.FirstUParameter();
                double lastU   = surface.LastUParameter();
                double firstV  = surface.FirstVParameter();
                double lastV   = surface.LastVParameter();
                double offSetU = lastU - firstU;
                double offSetV = lastV - firstV;

                double stepU   = 0.10;
                double stepV   = 10;
                int    stepNoU = (int)(offSetU / stepU);
                int    stepNoV = (int)(offSetV / stepV);
                for (int v_i = 3; v_i < stepNoV - 5; v_i++)
                {
                    for (int u_i = 0; u_i < stepNoU; u_i++)
                    {
                        double tempV = firstV + stepV * v_i;
                        double tempU = firstU + stepU * (v_i % 2 == 0 ? u_i : stepNoU - u_i);
                        //double tempV = firstV + stepV * (u_i % 2 == 0 ? v_i : stepNoV - v_i);
                        Vector3 ptVec_1     = surface.Value(tempU, tempV);
                        Vector3 ptVec       = shapeTransform.Transform(ptVec_1);
                        Vector3 normalVec_1 = surface.GetNormal(tempU, tempV);
                        //Vector3 normalVec =shapeTransform.Transform(normalVec_1);//matrix3  3*3
                        Vector3 normalVec = RotateDirVector(shapeTransform, normalVec_1);
                        ptVecList.Add(ptVec);
                        norVecList.Add(normalVec);
                        pathPqList.Add(QuaternionFromTo(new Vector3(-1, 0, 0), normalVec, ptVec));
                        ShowStatusMessage("path pts No: " + pathPqList.Count);

                        //LineNode tempLineNode = new LineNode();
                        //LineStyle lineStyle = new LineStyle();
                        //lineStyle.SetPatternStyle((int)EnumLinePattern.LP_DashedLine);
                        //lineStyle.SetColor(100, 0, 100);
                        //tempLineNode.SetLineStyle(lineStyle);
                        //tempLineNode.Set(ptVec, ptVec + normalVec);
                        //tempLineNode.SetVisible(true);
                        //renderView.SceneManager.AddNode(tempLineNode);
                        //renderView.RequestDraw();
                    }
                }

                //for (int u_i = 0; u_i < stepNoU; u_i++)
                //{
                //    for (int v_i = 0; v_i < stepNoV-0; v_i++)
                //    {

                //        double tempU = firstU + stepU * u_i;
                //        double tempV = firstV + stepV * (u_i % 2 == 0 ? v_i : stepNoV - v_i);

                //        Vector3 ptVec =shapeTransform.Transform(surface.Value(tempU,tempV ));
                //        Vector3 normalVec = surface.GetNormal(tempU,tempV);
                //        ptVecList.Add(ptVec);
                //        norVecList.Add(normalVec);
                //        pathPqList.Add(QuaternionFromTo(new Vector3(-1, 0, 0), normalVec, ptVec));
                //    }
                //}
                int a = 0;
            }
            //curve
            GeomCurve curve = new GeomCurve();

            if (curve.Initialize(subShape))
            {
                Vector3 startPt = shapeTransform.Transform(curve.D0(curve.FirstParameter()));
                //Vector3 startPt_ = shapeTransform.Transform(startPt);
                Vector3 pt1   = curve.GetStartPoint();
                Vector3 endPt = shapeTransform.Transform(curve.D0(curve.LastParameter()));
                Vector3 pt2   = curve.GetEndPoint();
                switch ((EnumCurveType)curve.GetCurveType())
                {
                case EnumCurveType.CurveType_OtherCurve:
                    Console.Write("other");
                    break;

                case EnumCurveType.CurveType_BSplineCurve:
                    break;

                case EnumCurveType.CurveType_BezierCurve:
                    break;

                case EnumCurveType.CurveType_Parabola:
                    break;

                case EnumCurveType.CurveType_Hyperbola:
                    break;

                case EnumCurveType.CurveType_Ellipse:
                    break;

                case EnumCurveType.CurveType_Circle:
                    Console.Write("Circle");
                    break;

                case EnumCurveType.CurveType_Line:
                    Console.Write("Line");

                    //path
                    double[] startPt_ = new double[3] {
                        startPt.X, startPt.Y, startPt.Z
                    };
                    double[] endPt_ = new double[3] {
                        endPt.X, endPt.Y, endPt.Z
                    };
                    Path_U.Interpolation(startPt_, endPt_, 0.01, ref pathPtList);
                    //show pick result
                    LineNode  tempLineNode = new LineNode();
                    LineStyle lineStyle    = new LineStyle();
                    lineStyle.SetPatternStyle((int)EnumLinePattern.LP_DashedLine);
                    lineStyle.SetColor(100, 0, 100);
                    tempLineNode.SetLineStyle(lineStyle);
                    tempLineNode.Set(new Vector3(startPt.X + 0.1, startPt.Y + 10, startPt.Z + 0.1), endPt);
                    tempLineNode.SetVisible(true);
                    renderView.SceneManager.AddNode(tempLineNode);
                    renderView.RequestDraw();
                    break;

                default:
                    break;
                }



                ElementId id = context.GetNodeId();
                MessageBox.Show(id.AsInt().ToString());
                //...
            }
        }