Non technical, but we are your modelers using byrons poly tools by any chance? We see these nan errors mostly from bounced uvs while using some of his tools. From what I can tell atdsk has found ways around the issue in more recent versions of maya. I havnt seen that issue since maya2009.
-s On 1/5/12, Carlos Rico 3D <[email protected]> wrote: > Hi, don't remember where I got it from: > > QNAN: Quiet Not A Number > > SNAN: Signalled Not A Number > > > Not A Number > > The value NaN (Not a Number) is used to represent a value that does not > represent a real number. NaN's are represented by a bit pattern with an > exponent of all 1s and a non-zero fraction. There are two categories of > NaN: QNaN (Quiet NaN) and SNaN (Signalling NaN). > > A QNaN is a NaN with the most significant fraction bit set. QNaN's > propagate freely through most arithmetic operations. These values pop out > of an operation when the result is not mathematically defined. > > An SNaN is a NaN with the most significant fraction bit clear. It is used > to signal an exception when used in operations. SNaN's can be handy to > assign to uninitialized variables to trap premature usage. > > Semantically, QNaN's denote indeterminate operations, while SNaN's denote > invalid operations. > > > Hope it's of some use. > > Regards > > 2012/1/5 Nicholas Yue <[email protected]> > >> On 5/01/12 8:24 PM, Panupat Chongstitwattana wrote: >> >>> Hi all. >>> >>> I've ran into this value a couple times these last few months. The >>> layout guys or animators would sometimes be unable to open an .ma file >>> while the script editor spits out numerous lines of errors. >>> >>> Checking the files in text editor, I always found 1 or 2 instances of >>> the "1.#IND" value. >>> >>> createNode transform -s -n "persp"; >>> setAttr ".v" no; >>> setAttr ".t" -type "double3" 1.#IND -1.#IND -1.#IND; >>> >> Hi Panupat, >> >> It's Windows way of displaying a IEEE NaN (Not a Number) >> >> >> http://www.johndcook.com/IEEE_**exceptions_in_cpp.html<http://www.johndcook.com/IEEE_exceptions_in_cpp.html> >> >> There is probably some division by zero in the underlying code. >> >> Regards >> >> -- >> Nicholas Yue >> Graphics - RenderMan, Houdini, Visualization, OpenGL, HDF5 >> Custom Dev - C++ porting, OSX, Linux, Windows >> http://au.linkedin.com/in/**nicholasyue<http://au.linkedin.com/in/nicholasyue> >> >> >> -- >> view archives: >> http://groups.google.com/**group/python_inside_maya<http://groups.google.com/group/python_inside_maya> >> change your subscription settings: http://groups.google.com/** >> group/python_inside_maya/**subscribe<http://groups.google.com/group/python_inside_maya/subscribe> >> > > > > -- > *Carlos Rico Adega > *Maya Generalist* > *------------------------------------- > <http://www.vimeo.com/16765581> > LinkedIn<http://www.linkedin.com/pub/carlos-rico/6/58/325> > [email protected] > > -- > view archives: http://groups.google.com/group/python_inside_maya > change your subscription settings: > http://groups.google.com/group/python_inside_maya/subscribe > -- Sent from my mobile device [email protected] http://smannimation.blogspot.com/ http://nymayausersgroup.blogspot.com/ http://smann3d.blogspot.com/ -- view archives: http://groups.google.com/group/python_inside_maya change your subscription settings: http://groups.google.com/group/python_inside_maya/subscribe
