private void sTLToolStripMenuItem_Click(object sender, EventArgs e) { OpenFileDialog dlg = new OpenFileDialog(); dlg.Filter = "STL (*.stl)|*.stl|IGES (*.igs;*.iges)|*.igs;*.iges|STEP (*.stp;*.step)|*.stp;*.step|All Files(*.*)|*.*"; if (DialogResult.OK == dlg.ShowDialog()) { TopoShape shape = GlobalInstance.BrepTools.LoadFile(dlg.FileName); renderView.RenderTimer.Enabled = false; if (shape != null) { PhongMaterial material = new PhongMaterial(); material.SetAmbient(new ColorValue(0.24725f, 0.2245f, 0.0645f)); material.SetDiffuse(new ColorValue(0.84615f, 0.8143f, 0.2903f)); material.SetSpecular(new ColorValue(0.797357f, 0.723991f, 0.208006f)); material.SetShininess(83.2f); FaceStyle faceStyle = new FaceStyle(); faceStyle.SetMaterial(material); SceneManager sceneMgr = renderView.SceneManager; TopoShapeGroup subGroup = GlobalInstance.TopoExplor.ExplorSubShapes(shape); int nSize = subGroup.Size(); for (int ii = 0; ii < nSize; ++ii) { SceneNode node = GlobalInstance.TopoShapeConvert.ToEntityNode(subGroup.GetTopoShape(ii), 10f); node.SetId(++shapeId); node.SetFaceStyle(faceStyle); sceneMgr.AddNode(node); } } renderView.RenderTimer.Enabled = true; } renderView.View3d.FitAll(); renderView.RequestDraw(EnumRenderHint.RH_LoadScene); }