static void OnDrawGeometryProc(Guid am_id, IntPtr pConstRhinoObject, IntPtr pConstGeometry, IntPtr pRhinoDisplayPipeline)
{
VisualAnalysisMode mode = FindLocal(am_id);
if (mode != null)
{
var rhobj = Pixel.Rhino.DocObjects.RhinoObject.CreateRhinoObjectHelper(pConstRhinoObject);
var geom = Pixel.Rhino.Geometry.GeometryBase.CreateGeometryHelper(pConstGeometry, null);
if (geom != null)
{
geom.DoNotDestructOnDispose();
}
DisplayPipeline dp = new DisplayPipeline(pRhinoDisplayPipeline);
Pixel.Rhino.Geometry.Mesh mesh = geom as Pixel.Rhino.Geometry.Mesh;
try
{
if (mesh != null)
{
mode.DrawMesh(rhobj, mesh, dp);
return;
}
Pixel.Rhino.Geometry.NurbsCurve nurbscurve = geom as Pixel.Rhino.Geometry.NurbsCurve;
if (nurbscurve != null)
{
mode.DrawNurbsCurve(rhobj, nurbscurve, dp);
return;
}
Pixel.Rhino.Geometry.NurbsSurface nurbssurf = geom as Pixel.Rhino.Geometry.NurbsSurface;
if (nurbssurf != null)
{
mode.DrawNurbsSurface(rhobj, nurbssurf, dp);
return;
}
}
catch (Exception) { }
}
}
/// <summary>
/// Draws a NURBS curve. This is a good function to override for
/// analysis modes like curvature hair display.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="obj">A Rhino object corresponding to the curve.</param>
/// <param name="curve">The curve geometry.</param>
/// <param name="pipeline">The current display pipeline.</param>
protected virtual void DrawNurbsCurve(Pixel.Rhino.DocObjects.RhinoObject obj, Pixel.Rhino.Geometry.NurbsCurve curve, DisplayPipeline pipeline)
{
}
