public override void Run(RenderControl renderer) { var ellipse = SketchBuilder.MakeEllipse(GP.Origin(), 10, 5, GP.DX(), GP.DZ()); renderer.ShowShape(ellipse, Vector3.Blue); ParametricCurve pc = new ParametricCurve(ellipse); var paramsList = pc.SplitByUniformLength(1, 0.01); uint itemCount = (uint)paramsList.Count; var points = new ParticleSceneNode(itemCount, Vector3.Green, 5.0f); var lines = new SegmentsSceneNode(itemCount, Vector3.Red, 2); Random random = new Random(); for (int ii = 0; ii < paramsList.Count; ++ii) { var value = pc.D1(paramsList[ii]); var pos = value.GetPoint(); var dir = value.GetVectors()[0]; var end = new GPnt(pos.XYZ().Added(dir.XYZ())); lines.SetPositions((uint)ii, Vector3.From(pos), Vector3.From(end)); lines.SetColors((uint)ii, Vector3.Red, Vector3.From(random.NextDouble(), random.NextDouble(), random.NextDouble())); points.SetPosition((uint)ii, Vector3.From(pos)); } renderer.ShowSceneNode(points); renderer.ShowSceneNode(lines); }
public override void Run(RenderControl renderer) { string fileName = GetResourcePath("Holes.stp"); var shape = StepIO.Open(fileName); if (shape == null) { return; } var face = shape.FindChild(EnumTopoShapeType.Topo_FACE, 148); var surface = new ParametricSurface(face); var wireExp = new WireExplor(face); var wires = wireExp.GetInnerWires(); foreach (var wire in wires) { // Show wire renderer.ShowShape(wire, Vector3.Red); var curve = new ParametricCurve(wire); var paramList = curve.SplitByUniformLength(1, 0.01); var lines = new SegmentsSceneNode((uint)paramList.Count, Vector3.Green, 2); uint idx = 0; foreach (var p in paramList) { var pt = curve.Value(p); var pointSur = new ExtremaPointSurface(); if (pointSur.Initialize(surface, pt, GP.Resolution(), GP.Resolution())) { var uv = pointSur.GetParameter(0); var normal = surface.GetNormal(uv.X(), uv.Y()); lines.SetPositions(idx++, Vector3.From(pt), Vector3.From(pt.XYZ().Added(normal.XYZ()))); } } lines.UpdateBoundingBox(); renderer.ShowSceneNode(lines); } // Show face var faceMaterial = MeshStandardMaterial.Create("pbr.face"); faceMaterial.SetColor(Vector3.LightGray); faceMaterial.SetFaceSide(EnumFaceSide.DoubleSide); var faceNode = BrepSceneNode.Create(face, faceMaterial, null); faceNode.SetDisplayFilter(EnumShapeFilter.Face); renderer.ShowSceneNode(faceNode); }