Delete Rhino objects from GHPython ?

Hi all, I'm new to GHPython and trying to understand something more ...

I've been able to add objects to the Rhino document, but what about deleting a Rhino object ?

If I understand it correctly, Guid's in GHPython come from ghdoc, not from RhinoDoc.ActiveDoc, so they cannot be used to reference RhinoDoc objects.

Is there a way to reference a RhinoDoc object from a GHPython script ?

Thanks

emilio

Replies to This Discussion

Permalink Reply by Mostapha Sadeghipour Roudsari on July 14, 2013 at 4:12pm

Hi Emilio, You can switch between Rhino and Grasshopper if you want to access Rhino objects.

import scriptcontext as sc
import Rhino as rc

# switch to Rhino

sc.doc = rc.RhinoDoc.ActiveDoc

# Modify the RhinoDoc here (e.g. select object by layer, delete)

# switch back to grasshopper

sc.doc = ghdoc

Permalink Reply by Emilio Morello on July 15, 2013 at 3:33am

Hi Mostapha.

Yes, I can add an object to RhinoDoc.ActiveDoc, because all I need is a Rhino.Geometry instance, which the GHPython component is able to get when the user selects an input object.

But to be able to delete or replace an object into RhinoDoc.ActiveDoc, I need a Guid or a RhinoObject or an ObjRef.

That's my problem: how can a GHPython script get one of those ?

I think that the input parameters of the component can only get Rhino.Geometry data when input objects are selected. Am I correct ?

What I'm looking for is a way to get Guid's or other data that would allow me to delete or replace an object into Rhino's RhinoDoc.ActiveDoc.

Does that make sense ? Or am I too much confused ? ...

Thanks for your reply ! Cheers.

emilio

Permalink Reply by Emilio Morello on July 16, 2013 at 3:27am

Well, it seems it was quite simple: just use Rhino.Input.Custom.GetObject.

Sorry for the stupid question ...

Cheers

emilio