Also, some information on how you're using datablocks in your code would be nice. I am currently not using that. I'm just taking the weights. Running them through a small equation and then putting them back.
Brandon L. Harris On Dec 16, 4:56 pm, Brandon Harris <[email protected]> wrote: > MelJunky, Was hoping that you would respond. > > Are you normalizing your weights when using the setWeight()? When I > turn Normalization to False it works fine, but then my weights aren't > normalized and I don't want weights over a value of 1. > > Brandon L. Harris > > On Dec 16, 3:27 pm, <[email protected]> wrote: > > > I used MFnSkinCluster not that long ago and I retrieved the fullPathName of > > two different skinClusters and stored them in a list. > > > Then, I had to compare the list to see if I need to add any influence > > objects: > > > list( set( first.influenceObjectsStr ).difference( > > second.influenceObjectsStr) ) > > > If, the results wasn't None then I executed the MEL command to add them as > > an influence using "OpenMaya.MDGModifier()", with the two methods > > commandToExecute and doIt. > > > So, I recommend to go with your first instinct and use MEL. Don't remember > > where but someone mentioned that MEL is easier to add influences then > > trying to use the API. > > > As for the setWeights() issue...I had no problem changing the weight from > > zero. Are you using the dataBlock for help setting the weights by chance to > > retrieve values for setting the final weights? > > > Try printing out the values from the OpenMaya.MDoubleArray() that you are > > using to set the values are correct. Could also double check arguments for > > the setWeights is correct... I had a problem before with setWeights and I > > tracked it down to a previous issue. > > > -brian > > >www.meljunky.com > > > -------- Original Message -------- > > Subject: [Maya-Python] Re: Adding Influence Object > > From: Brandon Harris <[email protected]> > > Date: Wed, December 16, 2009 4:00 pm > > To: python_inside_maya <[email protected]> > > And this has actually raised another issue. If a joints influence is > > entirely at 0 on a skinCluster and I use the setWeights() it won't set > > the weights. It just leaves the joint influence at 0. This a known > > issue? > > On Dec 16, 10:34 am, Brandon Harris <[email protected]> wrote: > > > Alright, so I have a system where you can grab components on multiple > > > meshes and apply weights to specified joints. Everything works fine > > > unless you run into a joint that doesn't effect one of the meshes. The > > > easiest way to do this would be just to check if the object influences > > > the skin cluster and if it doesn't add it. This would be simple with > > > Mel, but is there a way to accomplish this with API? In MFnSkinCluster > > > there isn't a method for this and I haven't been able to locate one. > > > There's got to be something there for it though. > > --http://groups.google.com/group/python_inside_maya > > -- http://groups.google.com/group/python_inside_maya
