MRampAttribute is only meant to be used as an attribute on a node. If you don't want it to show up in the attribute editor, you have to make an AETemplate.mel file. Or just make the attribute hidden.
On Mon, Feb 7, 2011 at 8:45 AM, Chad Vernon <[email protected]> wrote: > If you're trying to find key interpolation values, you should be using the > MFnAnimCurve class. > > Chad > > > On Mon, Feb 7, 2011 at 3:49 AM, mario aquaro <[email protected]> wrote: > >> maybe still use the MRampAttribute >> is the best solutio cause I guess is more safe like >> class, but I would use this class also without create any attribute or >> outside a maya node! >> >> On 7 Feb, 12:45, mario aquaro <[email protected]> wrote: >> > Hi is always me :) >> > regard my MRampAttribute >> > I would use this class just for find the inbetween value of some keys! >> > but I don't wanna create any ramp attribute on the node, cause I'm not >> > interested on give to the user the >> > oppurtunity of edit this key from maya, but only by my own interface! >> > >> > for that I want to know if is there a way for use this class in the >> > node, just for calculating and get the value, >> > without create the node, like this I can avoid the error that I got >> > everytime I open the attribute editor! >> > >> > my idea is to call this class also in my interface for edit the keys! >> > otherwise if you know a function for get the inbetween value, between >> > each keys in the list, >> > should be the same! >> > >> > a small example of what I need : >> > >> > if I have a list of keys like this >> > [{pos: 0.0, value: [-9.0, 4.0, 6.0]}, >> > {pos: 0.5, value: [9.0, 40.0, -16.0]}, >> > {pos: 1.0, value: [9.50, -14.0, 60.0]}...and so on] >> > >> > the function should do something like GetColorAtPosition of the >> > MRampAttribute, >> > means that at a specific Position (es. 0.75) the function must return >> > the value, maybe with linear interpolation, for keep simple! >> > >> > for still using the MRampAttribute, or a custom function is the same! >> > any idea? >> > >> > On 5 Feb, 20:13, mario aquaro <[email protected]> wrote: >> > >> > > Hi guys thanks for your answers >> > > I've already seen your posts, before, those help me a lot! >> > > about my specific problem I guess I just wrong using >> > > setPositionAtIndex, setColorAtindex and setInterpolationAtIndex >> > > instead of addEntries for add some key to the ramp! >> > > now I'm following this way, I hope is the right one! >> > > I'll let to you know >> > > thanks again >> > > M >> > >> > > On 4 Feb, 23:01, Chad Vernon <[email protected]> wrote: >> > >> > > > I also have some info on my site: >> > >> > > > >> http://www.chadvernon.com/blog/resources/maya-api-programming/mrampat... >> > >> > > > On Fri, Feb 4, 2011 at 1:09 PM, Rosenio <[email protected]> wrote: >> > > > > Hey Mario, >> > >> > > > > I have post about it in my blog...And here in the group you will >> find >> > > > > some stuff about it... >> > >> > > > >http://rosenio.com/blog/?p=95 >> > >> > > > > Hope it help! >> > >> > > > > On 4 fev, 18:27, mario aquaro <[email protected]> wrote: >> > > > > > Hi Guys, >> > > > > > is the first time that I write on this group >> > > > > > but I was a silent observer >> > >> > > > > > now I need your help, >> > > > > > I'm sure this is a dumb's question >> > > > > > but I'm not able to understand how work the MRampAttribute >> > >> > > > > > my idea is to use this class for extract the inbetween value >> between 2 >> > > > > > keys >> > > > > > like a remapValueNode, but with array attributes! >> > >> > > > > > in my for loop I was tring to define the MRampAttribute class: >> > >> > > > > > for k in range(keys): >> > > > > > myRamp = OpenMaya.MRampAttribute() >> > > > > > myRamp.setPositionAtIndex(position, k) >> > > > > > myRamp.setColorAtIndex(value, k) >> > > > > > myRamp.setInterpolationAtIndex(interpolation, k) >> > >> > > > > > position is a float (es. 0.0) >> > > > > > value is a MColor (es. MColor(0.0, 0.0, 0.0)) >> > > > > > interpolation is asShort() value (es.1) >> > >> > > > > > but I always got this error: >> > > > > > # RuntimeError: (kFailure): Unexpected Internal Failure # >> > >> > > > > > I hope someone can help me to go head! >> > > > > > thanks in advance >> > >> > > > > -- >> > > > >http://groups.google.com/group/python_inside_maya >> > >> > >> >> -- >> http://groups.google.com/group/python_inside_maya >> > > -- http://groups.google.com/group/python_inside_maya
