accessing different parameters of objects

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On 02/05/2009 at 14:37, xxxxxxxx wrote:

User Information:
Cinema 4D Version:   r11 
Platform:   Windows  ;   
Language(s) :     C++  ;

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hi there, where do i find informations about what the various parameters of for example the Osplinecircle object are called? i want to change the radius but dont have a clue how to access it.. or how can i change the detail->scale spline of a sweepnurbs?

thanks in advance for your help

edit: ok, for the circle i found something in the sdk, but is there a complete list of those parameters anywhere??

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On 02/05/2009 at 15:06, xxxxxxxx wrote:

Of course, you have to look into the .res file of the object, tag (or whatever it is you're looking for).

You'll find most of those files in
\resource\res\description

or e.g. in
\objects\res\description

Cheers,
Jack

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On 02/05/2009 at 15:42, xxxxxxxx wrote:

thank you! that helps alot

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On 02/05/2009 at 15:50, xxxxxxxx wrote:

Glad I could help

Greetings,
Jack

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On 11/05/2009 at 03:41, xxxxxxxx wrote:

Alternatively you can drag description elements into the Cinema 4D console.

cheers,
Matthias

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On 11/05/2009 at 03:44, xxxxxxxx wrote:

thank you

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On 15/05/2009 at 15:08, xxxxxxxx wrote:

ok, i have a problem with this again..
i have cloned the BaseObject pLink to p and want to change its parameters but it doesnt work:

> `

  
\>  BaseContainer *bc2 = pLink->GetDataInstance();  
\>  profile = (BaseObject* )pLink->GetClone(COPY_NO_BITS, NULL);  
\>  bc = profile->GetDataInstance();  
\>  

`

if pLink is Osplinecircle for example from my understanding the following line would change the radius of profile to 50% of the original:
> `

  
\>  bc->SetReal(PRIM_CIRCLE_RADIUS,bc2->GetReal(PRIM_CIRCLE_RADIUS/100*50));  
\>  

`

but the radius of profile keeps the radius of pLink.
why is this?

thanks,
ello

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On 15/05/2009 at 20:45, xxxxxxxx wrote:

Try (C4DAtom::)SetParameter() instead of the BaseContainer methods. Some parameter values are only accessible as Descriptions (parameters) while others can be set via the BaseContainer. Yes, this is very frustrating as I can attest. My approach is this: anything described in the .res file of the type is best set using SetParameter(). Never fails in these situations.

GeData data;
profile->GetParameter(DescID(PRIM_CIRCLE_RADIUS), data, 0L);
profile->SetParameter(DescID(PRIM_CIRCLE_RADIUS), GeData(data.GetReal()/100.0f*50.0f), 0L);

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On 15/05/2009 at 23:38, xxxxxxxx wrote:

thank you so much for all your help! this works like a charm

btw, would it be better to replace the GetDataInstance() thing everywhere by the GeData version?

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On 16/05/2009 at 02:56, xxxxxxxx wrote:

Hi anubis23,

Click here

I asked about this stuff some time ago and this might help you.

>>would it be better to replace the GetDataInstance() thing everywhere by the GeData version?

I guess, due to historical reasons it's still available.

Bye, Shawni

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On 16/05/2009 at 06:09, xxxxxxxx wrote:

i think i'll do so.

btw, how do i access the virtual objects of a plugin object from another plugin object? do i need to store all generated subobjects into an array of BaseObjects ? and if so, how can i access that array from outside ?

cheers,
ello

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On 25/05/2009 at 02:30, xxxxxxxx wrote:

You can't directly access virtual objects of generators. They can be only accessed indirectly by making the generator editable.

cheers,
Matthias