Acessing User data using Python

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On 01/01/2011 at 14:02, xxxxxxxx wrote:

Hi,

there is a much simpler way to access user datas:

value1=op[c4d.ID_USERDATA, 1] #use 1 for the first user data
value2=op[c4d.ID_USERDATA, 2] #use 2 for the second user data

Btw, if your code returns:

((1, 133, 0), <c4d.BaseContainer object at 0x0000000016616308>)

def main() :  
  UserData = op.GetUserDataContainer()  
  obj1 = UserData.__getitem__(0) #better use UserData[0]  
  obj1_pos = obj1.GetRelPos() #obj1 is (1,133,0) so its a tuple and GetRelPos is not a member of a tuple  
  print obj1_pos 

Cheers, Sebastian

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On 01/01/2011 at 14:14, xxxxxxxx wrote:

Sebastian, you rock. that worked like a charm!

I had one more question if its not too much trouble. If my particular user data is a list of objects(a.k.a. InExcludeData list) how can i iterate through those object's position values safely, without crashing cinema. Thanks again!

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On 01/01/2011 at 14:28, xxxxxxxx wrote:

here is the code that keeps crashing my rig.

import c4d
from c4d import documents, utils, internals
#Welcome to the world of Python

def LinkListObjs(i,L):                        #this function will eventually harvest the average position
  obj = L.ObjectFromIndex(doc, i) #matrix of the objects inside linkList
    return obj
  print str(obj)

def main() :
    linkList = op[c4d.ID_USERDATA, 1]
  objNum = linkList.GetObjectCount()
  objCount = 0
  while(objCount != objNum+1) :    #check if object counter reached it's limit before proceeding
      if (objCount>objNum) :            
            pass                                     # just in case object count has reached it's limit... again
      elif(objCount>=objNum) :         # otherwise, run the LinkListObjs() function describe above
          obj= LinkListObjs(objCount, linkList)
          objCount=objCount+1         # add one to object counter
  return c4d.BaseObject(c4d.Ocube)

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On 01/01/2011 at 17:34, xxxxxxxx wrote:

Can you please upload a small test file where the crash is reproducable or can you send the bugreport to MAXON? Thanks!

Cheers, Sebastian

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On 01/01/2011 at 18:42, xxxxxxxx wrote:

Here is a link to download the scene file. It is pretty basic, built in c4d 12, but be careful if you turn on the python object. It crashes my system every time.

http://www.4shared.com/file/S5IYt6nE/New_Python_Averager.html

here is a link without a wait time. stupid wait times.

http://www.sendspace.com/file/4l0aeb

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On 02/01/2011 at 07:10, xxxxxxxx wrote:

Thanks for uploading. This line is responsible for

while(linkList) :

You run into an endless loop. You need to ensure that the loop
will exit. Btw, you wrote your system crashed. C4D should
freeze due to this line, but you should be able to quit it
via the task manager.

Cheers, Sebastian

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On 03/01/2011 at 09:48, xxxxxxxx wrote:

for sure. I'll try to figure it out. thanks again for the help!

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On 03/01/2011 at 15:45, xxxxxxxx wrote:

got it working in case anyone cares!

import c4d
from c4d import documents, utils, internals
#Welcome to the world of Python

def main() :
  pos_avg = c4d.Vector(0)
  obj_pos = c4d.Vector(0)
  doc = op.GetDocument()
  linkList = op[c4d.ID_USERDATA, 1]
  linkList_cnt = linkList.GetObjectCount()
  for x in xrange(linkList_cnt) :
      obj = linkList.ObjectFromIndex(doc, x)
      obj_pos = obj.GetRelPos()
      pos_avg = (obj_pos.__add__(pos_avg))
  op.SetRelPos(pos_avg/linkList_cnt)

On 24/03/2015 at 01:22, xxxxxxxx wrote:

hello guys. i'm sorry if my english is bad.
i have some question.

i designed a roller coaster. i want to get position data of moving train. can u help me?
how to declare id object?

On 24/03/2015 at 07:28, xxxxxxxx wrote:

Hello and welcome,

if you have a new question that is not related to this thread's topic please open a new thread. Thanks.

Also, please share as much information as possible on your plugin and on what you want to achieve.

Best wishes,
Sebastian