Poor mans tracer/linker - help pls

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On 03/12/2011 at 02:43, xxxxxxxx wrote:

OK

I've set myself a task
this isn't supposed to be anything special

Ubertracer is far more advanced than anything I can dream of
but I'd like to understand some of the processes (and syntax)  in creating splines between clones

Problems to date
Best way to generate the splines Once!
Best 'Holder' to use for the code - generator - effector etc

Can I use the 'holder' object to Insert the splines 'Under'
Then check to see if they exist?

Forgive the stumblings (again)

Got this far in modifying a Python Effector
It will generate a set of splines between 
the original clones position
and the effectors offset

Yes you have to switch it off once the splines are generated (problem 1 above)

any suggestion
snippets of code

greatly recieved

import c4d
from c4d.modules import mograph as mo

def main() :
    md = mo.GeGetMoData(op)
    if md==None: return
    cnt = md.GetCount()
    
    #matrix list of clones
    marr = md.GetArray(c4d.MODATA_MATRIX)
    
    #flag list of clones
    farr = md.GetArray(c4d.MODATA_FLAGS)
    
    offset = op[c4d.ID_USERDATA, 1]

for i in xrange(0, cnt) : #iterate over clones
        marr .off = marr .off +(marr .v3*offset)
_ _ _        spl = c4d.SplineObject(2,c4d.SPLINETYPE_LINEAR)  #Create a 2pt. Bezier spline in memory only___
_ _ _        spl.SetPoint(0,c4d.Vector(marr .v3)) #Place the first point here___
_ _ _ _        spl.SetPoint(1,c4d.Vector(marr .off))  #Place the second point here____
_ _ _ _ _ _____
_ _ _ _ _        spl.Message(c4d.MSG_POINTS_CHANGED) # tell the spline it's points did change_____

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_ _ _ _ _        doc.InsertObject(spl)_____
_ _ _ _ _                            _____
_ _ _ _ _    #handle the modified flag list back to mograph_____
_ _ _ _ _    md.SetArray(c4d.MODATA_FLAGS, farr, True)_____
_ _ _ _ _    _____
_ _ _ _ _    #handle the modified matrix list back to mograph_____
_ _ _ _ _    md.SetArray(c4d.MODATA_MATRIX, marr, True)_____

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