private void surfaceToolStripMenuItem_Click(object sender, EventArgs e) { Platform.LineStyle lineStyle = new Platform.LineStyle(); lineStyle.SetLineWidth(0.5f); lineStyle.SetColor(ColorValue.RED); var points = new System.Collections.Generic.List<Vector3>(); points.Add(new Vector3(0, 0, 0)); points.Add(new Vector3(50, 0, 0)); points.Add(new Vector3(100, 0, 0)); points.Add(new Vector3(0, 50, 0)); points.Add(new Vector3(50, 50, 5)); points.Add(new Vector3(100, 50, -5)); points.Add(new Vector3(0, 150, 5)); points.Add(new Vector3(50, 150, -5)); points.Add(new Vector3(100, 150, 0)); TopoShape face = GlobalInstance.BrepTools.MakeSurfaceFromPoints(points, 3, 3); renderView.ShowGeometry(face, 101); GeomSurface surface = new GeomSurface(); surface.Initialize(face); float ufirst = surface.FirstUParameter(); float uLarst = surface.LastUParameter(); float vfirst = surface.FirstVParameter(); float vLast = surface.LastVParameter(); float ustep = (uLarst - ufirst) * 0.1f; float vstep = (vLast - vfirst) * 0.1f; for(float ii=ufirst; ii<=uLarst; ii+= ustep) for (float jj = vfirst; jj <= vLast; jj += vstep) { var data = surface.D1(ii, jj); Vector3 pos = data[0]; Vector3 dirU = data[1]; Vector3 dirV = data[2]; Vector3 dir = dirV.CrossProduct(dirU); dir.Normalize(); { Platform.TopoShape line = GlobalInstance.BrepTools.MakeLine(pos, pos + dir*10.0f); Platform.SceneNode node = renderView.ShowGeometry(line, 101); node.SetLineStyle(lineStyle); } } TopoShapeProperty property = new TopoShapeProperty(); property.SetShape(face); float area = property.SurfaceArea(); TextNode text = new TextNode(); text.SetText(String.Format("Surface Area: {0}", area)); text.SetPosition(new Vector3(100, 100, 0)); renderView.SceneManager.ClearNodes2d(); renderView.SceneManager.AddNode2d(text); renderView.RequestDraw(); }
private void curveToolStripMenuItem_Click(object sender, EventArgs e) { renderView.SetStandardView(EnumStandardView.SV_Top); Platform.LineStyle lineStyle = new Platform.LineStyle(); lineStyle.SetLineWidth(0.5f); lineStyle.SetColor(ColorValue.BLUE); Platform.LineStyle lineStyle2 = new Platform.LineStyle(); lineStyle2.SetLineWidth(0.5f); lineStyle2.SetColor(ColorValue.GREEN); Platform.TopoShape arc = GlobalInstance.BrepTools.MakeEllipseArc(Vector3.ZERO, 100, 50, 45, 270, Vector3.UNIT_Z); renderView.ShowGeometry(arc, 100); { GeomCurve curve = new GeomCurve(); curve.Initialize(arc); float paramStart = curve.FirstParameter(); float paramEnd = curve.LastParameter(); float step = (paramEnd - paramStart) * 0.1f; for (float uu = paramStart; uu <= paramEnd; uu += step) { Vector3 dir = curve.DN(uu, 1); Vector3 pos = curve.Value(uu); // 切线 { Platform.TopoShape line = GlobalInstance.BrepTools.MakeLine(pos, pos + dir); Platform.SceneNode node = renderView.ShowGeometry(line, 101); node.SetLineStyle(lineStyle); } // 法线 { Vector3 dirN = dir.CrossProduct(Vector3.UNIT_Z); Platform.TopoShape line = GlobalInstance.BrepTools.MakeLine(pos, pos + dirN); Platform.SceneNode node = renderView.ShowGeometry(line, 101); node.SetLineStyle(lineStyle2); } } } TopoShapeProperty property = new TopoShapeProperty(); property.SetShape(arc); float len = property.EdgeLength(); TextNode text = new TextNode(); text.SetText(String.Format("Arc Length: {0}", len)); text.SetPosition(new Vector3(100, 100, 0)); renderView.SceneManager.ClearNodes2d(); renderView.SceneManager.AddNode2d(text); renderView.RequestDraw(); }