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);
}
