Parameters

Helper

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On 29/06/2011 at 06:45, xxxxxxxx wrote:

User Information:
Cinema 4D Version:   12+
Platform:   Windows ;   Mac OSX ;
Language(s) :     C++ ;

---------
Hi,

In the c4d interface you can drag an attribute (property name) from the objects attribute manager into the commandline to see the description ID.
How can i do this programmatically and find (also programmatically) :
-the object in question
-the variable type
-the variables value
-if it is animatable
etc

Best,

Helper

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On 29/06/2011 at 07:15, xxxxxxxx wrote:

Most of this is definitely available through the parameter Description information. Check out the Description class and container retrieval of configuration options (DESC_ANIMATE et al) using GetParameterI().

Helper

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On 29/06/2011 at 07:32, xxxxxxxx wrote:

Maybe but how.
I have found how to step an object and list all props, but how to catch a dragged interface name and pick up from there. I need a starter for this. The description stuff is complicated.

Best

Helper

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On 29/06/2011 at 10:20, xxxxxxxx wrote:

If you are dropping these A.M. descriptions into a GeDialog/GeUserArea, then you will need to utilize the "Drag and Drop" interface (as described in the documentation under the quoted search term given). This information is received via the Message() method. In the docs you will see DRAGTYPE_DESCID which appears to be what you want to be checking for.

Helper

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On 29/06/2011 at 15:44, xxxxxxxx wrote:

Thanks for that.
I implemented the drag and drop code and thanks to you and M.Sterner I know now how to get a DescPropertyDragData. And from that the ID. There's an array and an DescID in the dpdd.
Now how do I get to the object of the attribute manager. It does not have to be the active object, does it?
I would like to make use of the found ID (creating keys as goal).

Helper

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On 29/06/2011 at 16:54, xxxxxxxx wrote:

I would assume that you simply get the first object in the AtomArray (sort of like the result of SendModelingCommand()) like:

DescPropertyDragData* dpdd = static_cast<DescPropertyDragData*>(object);  
C4DAtom*    ca =    dpdd->arr->GetIndex(0L);  
if (ca)  
{  
  LONG    type =    ca->GetType();  
  GePrint("Type = "+LongToString(type)); // just to see the value during development :)  
}

Helper

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On 30/06/2011 at 09:02, xxxxxxxx wrote:

Got the datatype also from the dpdd->did[0].
Then i have some additional questions.

-I found the datatype, for example a vector, but i cannot find which component of this vector. There seems to be no sub?

-Where's the min and max for that attribute (property)? (not for the datatype itself).

-How can i find out if a long is maybe a cycle? I read something about that on this forum, but it seems to be a bug?

-And last but not least, where's the current value of te property itself?

Best,

Helper

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On 01/07/2011 at 09:13, xxxxxxxx wrote:

All of this information should be in the description container. DESC_MIN, DESC_MAX, DESC_CYCLE (list of options as strings). To see if it is a cycle, you migh check the customgui from DESC_CUSTOMGUI and see if it is a CUSTOMGUI_CYCLE. The value is stored directly in the container.

Get the BaseContainer to get the value using the LONG id (using dpdd->did[0].id to resolve the DescID to a DescLevel and get at the LONG id - yeah, gotta luv C4D). To do this you will either need to get the BaseContainer of the C4DAtom up-casted (bc = ((GeListNode* )ca)->GetDataInstance()) or get the Description and then use GetParameterI() to get the container (desc = ca->GetDescription(); bc = desc->GetParameterI(dpdd->did[0], array); )

Helper

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On 01/07/2011 at 15:29, xxxxxxxx wrote:

Hey thanks Now all OK except the value itself and some pain with the cycle.

I do:

BaseContainer *d = ((BaseList2D* )ca)->GetDataInstance();
GePrint(RealToString(d->GetReal(dpdd->did[0].id,-1)));

But i always get -1.

Helper

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On 01/07/2011 at 16:03, xxxxxxxx wrote:

Have you checked the dpdd->did[0].id number against the expected id number. It should be correct but it never hurts to verify. As long as the object 'ca' and the description id match it should work. I've been getting the description value out of the BaseContainer for the 'object' like that forever. Is the value really a Real value? If you are looking at a CYCLE description, you should use GetLong().

Helper

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On 02/07/2011 at 08:10, xxxxxxxx wrote:

Yes, i checked. What worked though is from one of your posts, januari 8, but in the getter variant:

GeData da;
(BaseLists2D* )ca->GetParameter(DesID(dpdd->did[0].id), da, DESCFLAGS_GET_0);
GePrint(RealToString(da.GetReal());

Now the interesting thing is how to get the variable programmatically out of the GeData when i know the dtype:
LONG dType = dpdd->did[0].dtype.

Should i use a switch case for all known dtypes ?

Helper

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On 03/07/2011 at 05:40, xxxxxxxx wrote:

OK i used a switch plus all variants for getters and setters.

But there is one thing, as Columbo said
How to get the min and max for that property (not for the properties datatype)

Helper

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On 03/07/2011 at 09:43, xxxxxxxx wrote:

DESC_MIN and DESC_MAX are the settings for the property instance - or at least they should be. These are what are set in the BaseContainer when creating them dynamically in GetDDescription(). Remember that there are another set of min/max settings: DESC_MINSLIDER/DESC_MAXSLIDER. These control the min/max of the slider control not just the value that the attribute can take.

Helper

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On 05/07/2011 at 15:57, xxxxxxxx wrote:

Still have a problem to find out if an AM property is a LONG or a CYCLE.
Got no clue, can you spell it out?

And...
If i drag a vector prop, say a rotation vector, it seems a complete vector.
Altough when i click in the AM on the RRR part it lits up as a unity, while the HPB lit seperately.
It arrives in my drag code as a whole vector.

I cannot drag one vector component only?

Helper

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On 05/07/2011 at 16:33, xxxxxxxx wrote:

Have you tried checking the LONG DESC_CUSTOMGUI setting to be either CUSTOMGUI_CYCLE or CUSTOMGUI_CYCLEBUTTON? At the moment, I cannot find any other way that this might be done.

No, you cannot drag only a vector component as the vector is seen as a description type in itself.

Helper

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On 06/07/2011 at 03:29, xxxxxxxx wrote:

Robert,

Years ago you mentioned a magic 'DescriptionPropertyCustomGui', could that be helpfull to gather info about AM properties, like vectors and subselections? It's in the SDK, but I cannot find much info?

Could you be a bit more specific about how to get to these cycle ID's ?