Bake other components from within my GHPython component

Replies to This Discussion

Permalink Reply by Giulio Piacentino on February 1, 2016 at 4:22am

Hi Max

good discussion but... do you need exactly this in Grasshopper?

This won't be as easy as writing the script from the other window (from the EditPythonScript editor). The reason is that when a GhPython component is computing, it might well be that the other part is not computed yet. If you need to bake in GH, I would suggest that you use one of the baking components (also in script) that exist out there.

Please let me know if they would not work for you.

Thanks

Giulio
--
Giulio Piacentino
for Robert McNeel & Associates
giulio@mcneel.com

Permalink Reply by PatrickB on February 1, 2016 at 6:37am

• I am not sure this will answer your question but there is the selectable preview node by Alan Tai that dynamically bakes grasshopper data :

http://www.food4rhino.com/project/selectablepreview?etx

It has other purpose than baking and it appears to be in C# though.

• If you don't need the baking to be 'dynamic' you can use Lunchbox or Human but you probably know that (I guess that's what Giulio was referring to).

• If you need it to be dynamic and in Python then I don't know how to help!

Permalink Reply by Giulio Piacentino on February 1, 2016 at 6:45am

What's 'dynamic' in this context?

If you mean to delete the previous outcome of the iteration, that is also possible to do also in a script. I am not sure if there is a pre-made component for that, but it would be possible also from there.

Let's see what Max needed before speculating.

Permalink Reply by Andrew Heumann on February 1, 2016 at 7:26am

import Rhino as rh
from System.Collections.Generic import *
from System import *
ghdoc = ghenv.Component.Attributes.Owner.OnPingDocument()
rhdoc = rh.RhinoDoc.ActiveDoc
componentsToBake = [x for x in ghdoc.ActiveObjects() if x.Name == "Mesh Sphere"]
for component in componentsToBake:
    ids = List[Guid]()
    component.BakeGeometry(rhdoc,ids)

Change "Mesh Sphere" in the above to find the component you're looking to bake. As Giulio points out, there is no guarantee that the object in question has finished solving, since this script is executed during a solution - so use w/ caution. 

Permalink Reply by Giulio Piacentino on February 1, 2016 at 7:35am

Please... add a big warning at the beginning of the script.
Otherwise, later someone will get bitten.

Permalink Reply by Max Marschall on February 1, 2016 at 10:14am

Thanks a lot everyone for your help!

Andrew's script actually does exactly what I was looking for.

I can understand why Guilio has his concerns, but it seems to me that if I simply connect the components in the order in which I want them to execute, it seems to work fine? (See attached)

Cheers,

Max

Attachments:

• PythonBakeOtherComponents.gh, 13 KB