Effector Q

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On 25/11/2011 at 08:00, xxxxxxxx wrote:

Forgive the noob stuff
just need to get some things clear in my head

I want to start of with 1 clone being controlled by any of the parameter settings

I can see how you select and individual clone 
and write code to control it
but how do you enable any/all of the parameters to affect that clone?

I also could't find anything by searching the sdk for 
mode = md.GetBlendID()

advice appreciated

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On 26/11/2011 at 10:08, xxxxxxxx wrote:

or do I have to duplicate all the parameter controls in my code

or can I write something like
If value in parameters
get the index of the chosen clone
apply parameter to it
and return without doing anything to the other clones
?

or have I just got the plan all wrong?

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On 26/11/2011 at 14:30, xxxxxxxx wrote:

I haven't had a chance to play around with the python mograph stuff yet. But it looks like you can manipulate a specific clone if you use it's array index number.

Look at the pyEffector example in the R13 sdk. And add this to the end of the code:

   pos = marr[3]#Get a specific clone  
pos.off = c4d.Vector(110,200,0)  #Move that one specific clone somewhere in memory only  
md.SetArray(c4d.MODATA_MATRIX, marr, True)#Update the changes made to the array from memory  

I assume you can do other things this way. But I haven't tried it yet.

-ScottA

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On 27/11/2011 at 01:58, xxxxxxxx wrote:

Hi Scott

Thanks for your time, I'm already that far and can change position, rotation, scale etc
but you have to manually create the User data area inputs for everything.

The effector has a 'parameter only' mode, so,
what I wanted to do was find a way (IF it were possible) to use the parameter control version of the effector to gather the data, rather than re writing every input option manually

Does that make sense?

I also couldn't find any information about

mode  = mdGetBlendID()

the current default code in the python effector (parameter control vers)  seems to return half the value in the parameter list
so its not a very clear example of whats going on or how you are supposed to use it.

Essentially I want to use the parameter controls but limit them to 1 clone - selected from user data, index value.

Paul

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On 27/11/2011 at 09:01, xxxxxxxx wrote:

Well... This is my interpretation of it.

mdGetBlendID() is a method that looks up the ID#s in the file:
 resource\modules\objects\res\description\obaseeffector.h

In the effector's code it uses those ID numbers as a switch validator.
In other words: if (the id is found) then do something.

The ID numbers in that obaseeffector.h file also match the same parameters that are supported internally by the Coffee&Python effectors "parameter controls" option.
Since this is how we create plugins(using the descriptions). My guess is that's why only those options are supported by the "parameter controls" option in the effector.
So to use the other parameters that are not listed in the obaseeffector.h file. You'll have to set them up by hand with UserData and specific array index ID's.

-ScottA

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On 27/11/2011 at 13:33, xxxxxxxx wrote:

I got as far as this

def main() :
    md = mo.GeGetMoData(op)
    if md==None: return 1.0
    user_index = op[c4d.ID_USERDATA, 1]
    index = md.GetCurrentIndex()
    mode = md.GetBlendID()
    if mode == c4d.ID_MG_BASEEFFECTOR_POSITION and index == user_index  :
        return c4d.Vector(1)
    else: return 0

which allows the effector to affect only the indexed value

if mode == c4d.ID_MG_BASEEFFECTOR_SCALE and index == user_index  :
        return c4d.Vector(1)

does the same for scale

if mode == c4d.ID_MG_BASEEFFECTOR_ROTATION and index == user_index  :
        return c4d.Vector(1)

does the same for rotation

Q: how do I combine them all?

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On 27/11/2011 at 15:03, xxxxxxxx wrote:

Put the result into a Matrix?

Cheers
Lennart

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On 27/11/2011 at 23:47, xxxxxxxx wrote:

Any help with the syntax pls?

I'm still struggling a bit to understand whats going on - have commented

_<__<_t_<__<_t_<__<_t_>_
def main() :
    md = mo.GeGetMoData(op)
    if md==None: return 1.0
    user_index = op[c4d.ID_USERDATA, 1]
    index = md.GetCurrentIndex()
    mode = md.GetBlendID() # sets up the effector to use the parameters
    if mode == c4d.ID_MG_BASEEFFECTOR_POSITION and index == user_index  :
        return c4d.Vector(1) #return all the values in the position section
    else: return 0 # if condition not met, don't return any data from the position section_/div>

Now to me it would make sense to return a vector of 1,1,1 to turn return 100% of each of the parameters, but that doesnt work

and combine all the  checks with AND
 if mode == c4d.ID_MG_BASEEFFECTOR_POSITION and index == user_index 
and
mode == c4d.ID_MG_BASEEFFECTOR_SCALE and index == user_index 
and
mode == c4d.ID_MG_BASEEFFECTOR_ROTATION and index == user_index

but no

I just need someone to put me on the straight an narrow

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On 28/11/2011 at 05:24, xxxxxxxx wrote:

this works
but can't  see why??

if it returns a vector of 1
and that's acting as a some kind if scaling of the parameter output)
how does it now which parameter (PSR) the vector refers ?

import c4d
from c4d.modules import mograph as mo
#Welcome to the world of Python

def main() :
    md = mo.GeGetMoData(op)
    if md==None: return 1.0
    user_index = op[c4d.ID_USERDATA, 1]
    index = md.GetCurrentIndex()
    
    mode = md.GetBlendID()
    if mode == c4d.ID_MG_BASEEFFECTOR_POSITION and index == user_index :
         return c4d.Vector(1)
    
    if mode == c4d.ID_MG_BASEEFFECTOR_SCALE and index == user_index :
         return c4d.Vector(1)
    
    if mode == c4d.ID_MG_BASEEFFECTOR_ROTATION and index == user_index :
 
        return c4d.Vector(1)
    else: return 0

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On 28/11/2011 at 12:49, xxxxxxxx wrote:

Hi, maybe you are looking for the "Full Control" mode where you set all data of the clones and don't have to return one vector for each ID.

Cheers, Sebastian

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On 28/11/2011 at 22:32, xxxxxxxx wrote:

Hi Sebastian

No, I'm just trying to understand what's happening in the parameter mode.

Starting with

index = md.GetCurrentIndex()

as there is no definition for 
GetCurrentIndex

that appears to be something that is run once
so its not obvious how its does the equivalent of iterating through the index (in full mode)

the same applies to
    if mode == c4d.ID_MG_BASEEFFECTOR_POSITION and index == user_index :
         return c4d.Vector(1)

the index value must be iterated somehow?

Unless the code (the parameter mode python)  is being run for every clone
but theres no information to that effect