Python interpreter test drive (prototype)

Replies to This Discussion

Permalink Reply by Andy Payne on October 3, 2010 at 2:47pm

Nice!

Permalink Reply by Benjamin Golder on October 3, 2010 at 5:43pm

!!! Thank you Giulio!!!

Permalink Reply by Agnes Tan on October 4, 2010 at 2:21am

Thank you Giulio ;)

Permalink Reply by Evert Amador on October 4, 2010 at 2:35am

Excellent!
Thanks man!

Evert

Permalink Reply by Zach Hines on October 4, 2010 at 8:23am

Hey, I just have have a quick question...


What version of GH are you using with this?


Thanks and great development!

Z

Permalink Reply by Giulio Piacentino on October 4, 2010 at 9:04am

Hi Zach,

the project is referencing Grasshopper 0.7.57 and Rhino v5. It probably also works in earlier versions of 0.7, though.

- Giulio
________________
giulio@mcneel.com
McNeel Europe, Barcelona

Permalink Reply by Evert Amador on October 4, 2010 at 2:28pm

Hi Giulio,

For some reason I needed to recompile the component for it to work.
I'm assumming the rinoscript methods are not available, are they?

How do you suply arguments?
Cheers

Evert

Permalink Reply by Giulio Piacentino on October 4, 2010 at 2:46pm

Hi Evert,

it's possibly due to something as simple as this (downloaded file block):

On English installations it reads: "Unblock". See here one example.

- Giulio
________________________
giulio@mcneel.com
McNeel Europe, Barcelona

Permalink Reply by Giulio Piacentino on October 5, 2010 at 2:05am

... about the other questions: yes, RhinoScript is available. It's probably wise to only use it for analysis, selections, or seldom baking - as otherwise it will quickly fill the document.

E.g., selecting all objects on a given layer:
import rhinoscriptsyntax as rs

strObject = rs.GetObject("Pick an object to select layer")
if strObject != None:
  strLayer = rs.ObjectLayer(strObject)
  Py_Res = rs.ObjectsByLayer(strLayer, True)

Simple baking:
import rhinoscriptsyntax as rs
rs.AddPoint((0,0,5))

Supplying non-textual arguments is something on the list. For now, only textual input is possible.

- Giulio
________________________
giulio@mcneel.com
McNeel Europe, Barcelona

Permalink Reply by Evert Amador on October 5, 2010 at 2:29am

Hi Giulio,

Thanks for the explanation, I should've read the instructions thoroughly on the original post 8), I'll give it a go tonight when I get home.
As a matter of interest, if you create and delete objects with rhinoscript, does the memory becomes free when you delete them?.
Does the garbage collector kicks in with this component?
Cheers

Evert

Permalink Reply by Giulio Piacentino on October 5, 2010 at 3:32am

Hi Evert,

yes, the .Net memory will be collected as usual. We have to be careful with the Undo-Redo stack of the Rhino document while we use RhinoScript, though. It always keeps track of the changes, therefore it increases slowly but steadily during any RhinoScript method that modifies the document.
So, if we write this:

RhinoScript
import math
import rhinoscriptsyntax as rs

ptList = [((math.cos(i*0.3),math.sin(i*0.3),i*0.3))for i in xrange(0,100)]
o = rs.AddPoints(ptList)
Py_Res = [rs.PointCoordinates(i) for i in o]
rs.DeleteObjects(o)

The undo-manager will keep track of the changes while we are inside of the script, while with the following the document will be untouched

RhinoCommon
import math
from Rhino.Geometry import Point3d

o = [Point3d(math.cos(i*0.3),math.sin(i*0.3),i*0.3) for i in xrange(0,100)]
Py_Res = o

- Giulio
________________________
giulio@mcneel.com
McNeel Europe, Barcelona

Permalink Reply by Luis Fraguada on October 5, 2010 at 3:34am

Great Giulio! Very handy!

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