are you setting the floatAttr value in your compute function?

On Mon, Feb 1, 2010 at 10:37 AM, Ling <howandw...@gmail.com> wrote:

> sorry for change the subject a little:
>
> but my problem now is when I defined some attribute affecting
> relationships,
>
> I defined a MString attribute, and a MMatrix attribute,
> to affect a float attribue, for example:
>
> CHECK_MSTATUS( attributeAffects( MStringAttr,     floatAttr ) );
> CHECK_MSTATUS( attributeAffects( MMatrixAttr,     floatAttr ) );
>
>
> so In my understanding, whenever the MStringAttr, and the MMatrixAttr
> changes, the floatAttr will affected,
>
> and as a result, the "compute" function will be executed again.
>
> but it when I use the node, even though I changed the string, and the
> Matrix, the floatAttr won't response..
>
> any ideas about this, or am I wrong about how the "compute" function
> works?
>
>
> thanks a lot
>
> -ling
>
>
>
> On Feb 1, 1:04 pm, Judah Baron <judah.ba...@gmail.com> wrote:
> > Maya's command port is a special type of interface designed with the sole
> > purpose of executing mel code. It is possible to use a generic python
> socket
> > in Maya for whatever purpose you need. What comes through that socket is
> > just data and Maya doesn't know anything about it. It would be your code
> > that would decide how to handle it: store it, execute it if it's a
> command,
> > etc.
> >
> > This approach is quite a bit more complex than simply opening the
> standard
> > Maya command port, but it also offers a great deal of flexibility with
> > nearly limitless potential. We use this method to communicate with our
> tool
> > server. The tool server manages a lot of non-Maya specific data that is
> > useful to our Maya tools: project locations, project settings, asset
> library
> > data, etc. We pickle this data and send it from the tool server to Maya.
> > From Maya we can make requests to the tool server as we need. We also
> send
> > python code and execute it directly.
> >
> > Shaun, I know this is more than you were originally asking, but I wanted
> to
> > make clear that there are a great many possibilities depending on your
> > particular need. If you just need to be able to run python code then you
> may
> > want to look into eclipse as an IDE. There are a lot of options there.
> >
> > -Judah
> >
> > On Mon, Feb 1, 2010 at 8:34 AM, AK Eric <warp...@sbcglobal.net> wrote:
> > > To my knowledge, Maya intercepts incoming commands as mel,
> > > irregardless of send methodology.  You can send any type of data you
> > > want to Maya over the socket... but Maya will expect it to be mel when
> > > it receives it.  I've not used MayaPad, but maybe it does something
> > > similar to what I do to work around this issue.   Goes more or less
> > > like this:
> >
> > > Open command port in Maya.
> > > In external app connect to that socket, save python code out as
> > > temp.py file.
> > > Ping Maya through command port to exec on temp.py.
> >
> > > I do this via the API of my IDE:  I can query what is hilighted, save
> > > that out as temp.py, and then have Maya execute it... lets me bypass
> > > the Maya script editor entirely.
> > > As an aside:  While you can open a socket with both mel and Python...
> > > I've found that no matter what I do, if I open a socket with Python,
> > > the above solution won't work.. I have to open it with mel.
> > > Frustrating.
> >
> > > On Feb 1, 6:27 am, Jo Jürgens <jojurg...@gmail.com> wrote:
> > > > MayaPad does just that. Its a wxPython Python editor that can send
> > > commands
> > > > to Maya. Maybe you can copy the way its done there
> >
> > > >http://code.google.com/p/mayapad/
> >
> > > > On Mon, Feb 1, 2010 at 9:05 AM, Shaun Friedberg <
> sh...@pyrokinesis.co.nz
> > > >wrote:
> >
> > > > >  Right, perhaps I miss-spoke…
> >
> > > > > I use Python to open a socket and then send Mel code.
> >
> > > > > My question is does anyone know how to send Python code instead of
> Mel…
> >
> > > --
> > >http://groups.google.com/group/python_inside_maya
> >
> >
>
> --
> http://groups.google.com/group/python_inside_maya
>

-- 
http://groups.google.com/group/python_inside_maya

Reply via email to