public override void RenderScene(View dBView, DisplayStyle displayStyle)
{
try
{
if (primitives == null)
{
if (rhinoObject is Rhino.DocObjects.PointObject pointObject)
{
primitives = new Primitive[] { new ObjectPrimitive(pointObject, pointObject.PointGeometry) };
}
else if (rhinoObject is Rhino.DocObjects.PointCloudObject pointCloudObject)
{
AddPointCloudPreviews(pointCloudObject.PointCloudGeometry);
}
else if (rhinoObject is Rhino.DocObjects.CurveObject curveObject)
{
primitives = new Primitive[] { new ObjectPrimitive(curveObject, curveObject.CurveGeometry) };
}
else if (rhinoObject is Rhino.DocObjects.MeshObject meshObject)
{
AddMeshPreviews(meshObject.MeshGeometry);
}
else if (rhinoObject.IsMeshable(MeshType.Render))
{
var meshingParameters = rhinoObject.GetRenderMeshParameters();
if (rhinoObject.MeshCount(MeshType.Render, meshingParameters) == 0)
{
rhinoObject.CreateMeshes(MeshType.Render, meshingParameters, false);
}
var renderMeshes = rhinoObject.GetMeshes(MeshType.Render);
if (renderMeshes?.Length > 0)
{
int vertexCount = renderMeshes.Select((x) => x.Vertices.Count).Sum();
if (vertexCount > VertexThreshold)
{
foreach (var m in renderMeshes)
{
AddMeshPreviews(m);
}
}
else
{
var previewMesh = renderMeshes.Length == 1 ? renderMeshes[0] : null;
if (previewMesh == null)
{
previewMesh = new Rhino.Geometry.Mesh();
previewMesh.Append(renderMeshes);
}
AddMeshPreviews(previewMesh);
}
}
}
}
if (primitives != null)
{
DrawContext.SetWorldTransform(Autodesk.Revit.DB.Transform.Identity.ScaleBasis(1.0 / Revit.ModelUnits));
foreach (var primitive in primitives)
{
if (DrawContext.IsInterrupted())
{
return;
}
primitive.Draw(displayStyle);
}
}
}
catch (Exception e)
{
Debug.Fail(e.Source, e.Message);
}
}
protected override Result RunCommand(RhinoDoc doc, RunMode mode)
{
Rhino.DocObjects.ObjRef obj_ref;
const string prompt = "Select surface or polysurface to mesh";
const Rhino.DocObjects.ObjectType object_type =
Rhino.DocObjects.ObjectType.Surface |
Rhino.DocObjects.ObjectType.Brep;
Result res = Rhino.Input.RhinoGet.GetOneObject(prompt, false, object_type, out obj_ref);
if (res != Result.Success)
{
return(res);
}
Rhino.DocObjects.RhinoObject obj = obj_ref.Object();
if (null == obj)
{
return(Result.Failure);
}
Rhino.Geometry.Mesh obj_mesh = new Rhino.Geometry.Mesh();
Rhino.Geometry.Mesh[] meshes = obj.GetMeshes(Rhino.Geometry.MeshType.Render);
if (meshes.Length > 0)
{
foreach (Rhino.Geometry.Mesh m in meshes)
{
obj_mesh.Append(m);
}
}
else
{
Rhino.Geometry.MeshingParameters mesh_params = obj.GetRenderMeshParameters();
if (obj.CreateMeshes(Rhino.Geometry.MeshType.Render, mesh_params, false) > 0)
{
meshes = obj.GetMeshes(Rhino.Geometry.MeshType.Render);
if (meshes.Length > 0)
{
foreach (Rhino.Geometry.Mesh m in meshes)
{
obj_mesh.Append(m);
}
}
}
}
if (obj_mesh.IsValid)
{
obj_mesh.Faces.ConvertQuadsToTriangles();
}
if (obj_mesh.IsValid)
{
doc.Objects.AddMesh(obj_mesh);
doc.Views.Redraw();
}
return(Result.Success);
}