[Maya-Python] meshInfo script newbie api question
hi all, i'm doing a basic mesh info script following loosely the David Gould c++ script(which i have no idea about). I want to write out a basic text file with python for use later. i just want the numbers of polys and verts and then the poly-vert associations. this is pritty much my first api script and really just for kicks and to try learn some python Api. of cource i have hit the wall with trying to iterate over the polycount of an object. as i know you cant do it in a python method. i was trying to assign a variable to a OpenMaya.MIntArray() and then iterate over that but i'm either doing it wrong or its just not possible. could anyone let me know what i'm doing wrong or what direction i should take my script so far is. i just select the shape node of the mesh object *** #import sys import maya.OpenMaya as OpenMaya #import maya.OpenMayaMPx as OpenMayaMPx def meshInfo(shapeNode): #print hello mObj = OpenMaya.MObject() selectionList = OpenMaya.MSelectionList()#get list of objects #print selectionList dagPath = OpenMaya.MDagPath() OpenMaya.MGlobal.getActiveSelectionList(selectionList)#get the list of selected info #selectionList.add( shapeNode ) selectionList.getDependNode( 0, mObj )#get the depandants shape print mObj.apiType() if( mObj.apiType() == OpenMaya.MFn.kMesh ): print 'its a mesh' newDagPath = OpenMaya.MDagPath() dagPath.getAPathTo( mObj, newDagPath ) try: meshFn = OpenMaya.MFnMesh( mObj ) print 'yep' except: sys.stderr.write(!!! ERROR :: can not create meshFn) try: polyIter = OpenMaya.MItMeshPolygon( newDagPath ) print 'yep2' except: sys.stderr.write(!!! ERROR :: can not create polyIter) try: polyVertIter = OpenMaya.MItMeshFaceVertex( newDagPath ) #iterate over the face verts print 'yep3' except: sys.stderr.write(!!! ERROR :: can not create polyVertIter) numPolys = OpenMaya.MIntArray() print 'numpolys' meshFn.numPolygons(numPolys) print polyIter.count() for i in numPolys: ##just trying to iterate over some value and trying not to revert to mel or mayapy print i, #get poly number and vertex points #eventually print to file #v1:(1.0, 0 ,1) #v2:(etc) #p1:(v1,v4,v19) etc else: print 'not kMesh' any help would be great john --~--~-~--~~~---~--~~ http://groups.google.com/group/python_inside_maya -~--~~~~--~~--~--~---
[Maya-Python] Re: grabbing skin cluster. API
Reawakening the topic. I can grab ahold of the skinCluster by traversing the plugs downstream and grabbing the skincluster. What I am finding though is that in some cases I can grab a skin cluster that may not be directly plugged into the shape (ie a blendshape with a skinCluster) This doesn't happen if the selected object has a skinCluster, but if it doesn't, but the blendshape does it will grab the blendshapes skinCluster. itDG = openMaya.MItDependencyGraph(shape.node (),openMaya.MItDependencyGraph.kDownstream,openMaya.MItDependencyGraph.kPlugLevel) while not itDG.isDone(): oCurrentItem = itDG.currentItem() #the iterator returns an MObject that we then check to see if it is a skinCluster. If it is, Save it. if oCurrentItem.hasFn(openMaya.MFn.kSkinClusterFilter): skinCluster = openAni.MFnSkinCluster(oCurrentItem) print (skinCluster.name() + will be returned) break itDG.next() I suppose it's not a deal breaker, but I would like to ensure that the tool won't break. Does anyone know of a way to compare plugs? Maybe see if the skinCluster that is returns is actually connecting to the shape? --~--~-~--~~~---~--~~ http://groups.google.com/group/python_inside_maya -~--~~~~--~~--~--~---
[Maya-Python] meshInfo script newbie api question
hi all, i'm doing a basic mesh info script following loosely the David Gould c++ script(which i have no idea about). I want to write out a basic text file with python for use later. i just want the numbers of polys and verts and then the poly-vert associations. this is pritty much my first api script and really just for kicks and to try learn some python Api. of cource i have hit the wall with trying to iterate over the polycount of an object. as i know you cant do it in a python method. i was trying to assign a variable to a OpenMaya.MIntArray() and then iterate over that but i'm either doing it wrong or its just not possible. could anyone let me know what i'm doing wrong or what direction i should take my script so far is. i just select the shape node of the mesh object *** #import sys import maya.OpenMaya as OpenMaya #import maya.OpenMayaMPx as OpenMayaMPx def meshInfo(shapeNode): #print hello mObj = OpenMaya.MObject() selectionList = OpenMaya.MSelectionList()#get list of objects #print selectionList dagPath = OpenMaya.MDagPath() OpenMaya.MGlobal.getActiveSelectionList(selectionList)#get the list of selected info #selectionList.add( shapeNode ) selectionList.getDependNode( 0, mObj )#get the depandants shape print mObj.apiType() if( mObj.apiType() == OpenMaya.MFn.kMesh ): print 'its a mesh' newDagPath = OpenMaya.MDagPath() dagPath.getAPathTo( mObj, newDagPath ) try: meshFn = OpenMaya.MFnMesh( mObj ) print 'yep' except: sys.stderr.write(!!! ERROR :: can not create meshFn) try: polyIter = OpenMaya.MItMeshPolygon( newDagPath ) print 'yep2' except: sys.stderr.write(!!! ERROR :: can not create polyIter) try: polyVertIter = OpenMaya.MItMeshFaceVertex( newDagPath ) #iterate over the face verts print 'yep3' except: sys.stderr.write(!!! ERROR :: can not create polyVertIter) numPolys = OpenMaya.MIntArray() print 'numpolys' meshFn.numPolygons(numPolys) print polyIter.count() for i in numPolys: ##just trying to iterate over some value and trying not to revert to mel or mayapy print i, #get poly number and vertex points #eventually print to file #v1:(1.0, 0 ,1) #v2:(etc) #p1:(v1,v4,v19) etc else: print 'not kMesh' any help would be great john --~--~-~--~~~---~--~~ http://groups.google.com/group/python_inside_maya -~--~~~~--~~--~--~---
[Maya-Python] Re: PyQt in Maya examples
Where can I find your version of pumpThread?
Thanks
On Tue, Sep 29, 2009 at 5:24 AM, David Moulder da...@thirstydevil.co.ukwrote:
Ok, Here's and basic example with PyQT and a QListWidget...
Please note. This use's a modified pumpThread module. The default one
from the maya dev kit has given us lots of problems.
Thanks to some very clever people on this list we now have a working
pumpThread module that is heavily tested here at work.
from PyQt4 import QtCore, QtGui
import pymel as pm
import pumpThread
class ExampleUI(QtGui.QDialog):
def __init__(self, parent=None):
super(ExampleUI, self).__init__(parent)
# Set some basic properties on the UI
self.setWindowTitle('ExampleUI')
self.setObjectName(ExampleUI)
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
# Add a Layout and set it to the UI
self.mainLayout = QtGui.QVBoxLayout(self)
self.setLayout(self.mainLayout)
# Add a Button and set some properties. Also add it to a layout.
self.RefreshButton = QtGui.QPushButton()
self.RefreshButton.setText(Refresh)
self.mainLayout.addWidget(self.RefreshButton)
# Add a list and set it to the layout
self.SelectionList = QtGui.QListWidget()
self.SelectionList.setMinimumSize(250,250)
self.mainLayout.addWidget(self.SelectionList)
# Connect the Refresh Button to a function to populate the list
using SIGNAL's
self.connect(self.RefreshButton, QtCore.SIGNAL(clicked()),
self._RefreshButtonFunc)
def _RefreshButtonFunc(self):
'''
Fill the list based on a maya selection
'''
oSel = pm.selected()
if oSel:
self.SelectionList.clear()
[self.SelectionList.addItem(s.name()) for s in oSel]
else:
self.SelectionList.clear()
@staticmethod
def Display():
'''
calls the window. Typical PumpThread call
Use's a modified pumpThread that properly set's up the thread.
'''
# We need a global to stop python gc the UI
global mainWindow
# We need pumpThread to make the UI responsive
pumpThread.initializePumpThread()
app = pumpThread.get_app()
if app:
# We can set the app to use a nice style
app.setStyle('Plastique')
mainWindow = ExampleUI()
mainWindow.show()
ExampleUI.Display()
I'll post our final pumpThread later today.
-Dave
On Tue, Sep 29, 2009 at 6:42 AM, floyd1510 vshingr...@gmail.com wrote:
Hello all,
I have got PyQt up and running in Maya 2009. I was wondering if
someone could guide me to a few examples, like adding a list of
objects from maya into the QT listview or adding items dynamically to
a combo box etc.
I appreciate the help.
Cheers,
Vikram.
--
A pit would not be complete without a Freeman coming out of it.
The Vortigaunt
--~--~-~--~~~---~--~~
http://groups.google.com/group/python_inside_maya
-~--~~~~--~~--~--~---
