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Questions tagged [mel]

MEL is the Maya Embedded Language used to automate processes in the 3D Computer Animation and Modeling software, "Maya".

MEL stands for Maya Embedded Language, which is a scripting language similar to Perl. It can be used to create automated processes in Autodesks's 3D rendering application Maya.

More information can be found in the Wiki about MEL.

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Maya MEL shelfbutton

I am pretty new to MEL and as I was exploring around this MEL script, I found out that the user have write some lines that I totally do not get it. And yet I am interested to know why this person done it.. Anyway, can someone kindly explain why does…
dissidia
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Python - Convert List

command cmds.polyInfo (fe=True) output: [u'FACE 64: 48 49 50 51 52 54 64 74 84 94 104 \n'] How to convert it to a list of this kind? [48, 49, 50, 51, 52, 54, 64, 74, 84, 94, 104] I suspect that it is…
SAF
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How to call Python in Mel and icon-shelve issue

I have some trouble in finding ways to call python functions inside of a mel script. Basically, I have a few Mel scipts in which one creates a new shelf in Maya and inside it, are a few lighting tool button(spotLight, areaLights etc.) As I am still…
dissidia
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Mule string concatenation of escape characters

Lets assume that emp-no has the value of 12345 I want to create a SQL query at runtime that will change select * from emp where emp_no = '#[flowVars['emp-no']]' to select * from emp where emp_no = '12345' What is the correct MEL syntax as I…
Jaco Fourie
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Print current frame during command line render?

Is there a way to basically print my own output during a command line render? Let's say I don't need/want all the other output that maya spits out by default, I know you can change the verbosity level, but there's very specific things I'd like to…
Shannon Hochkins
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Running python from mel callback with Render command

I need to run a batch render command via terminal, and use the mel callbacks, to run a python module. The terminal command I'm using is this: Render -preRender "python(\"import sys\nsys.path.append(\"/Volumes/raid/farm_script/\")\nfrom run_os import…
Shannon Hochkins
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Mule Using MEL in Custom Business Events component

Please advise how I need to use MEL in Custom Business Events component, Key Performance Indicators. According to MEL documentation, I need to use the expression #[xpath('//xpath/expression')] To get access to XML message I use the following…
user3042795
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Objects not Extruding in MEL

I am attempting to control extrusion of an object via rotation of another object in MAYA. But for some reason it's not working. It keeps showing I am getting a syntax error. i am not sure what is wrong with it or how to fix it? This is the code for…
tailedmouse
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Maya MEL/Python scriptJob. Run script when NonDagObject created

How do I set sriptJob flags if I want to run a script when NonDagObject is created. E.G After this shadingNode -asRendering renderPass; I would like to run function A. I can't find such event in docs.
IKA
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Add multiple proxies to references in a scene

I just want to know how I can add multiple proxies to referenced files in my Maya scene. Scenario : We select objects which contain "_v001" : select -r "*_v001"; We create the function to add proxies for each referenced files : global proc…
jbltx
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Maya M.E.L : Is it possible to store an array of type joint?

Hi I am a new MEL user and have been playing around , searching around but can't figure this out: I was trying to move all the joint transform rotation values to the joint orient values so that i can clean up the attributes of the transforms without…
the pillow
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Maya expression syntax error

What is wrong with the following expressions that I am trying to set on a particular attribute in Maya. All are just different approaches. Expression 1: directionalLightShape1.intensity = sqrt(noise(time)); Error: expression -s…
Bleeding Fingers
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CUSTOM PRESETS PATH FOR MAYA

I created the render preset in my machine, it automatically creates the mel files in C:\Documents and Settings\narasimham.k\My Documents\Maya2010\2010-x64\presets. I copied those files in D:/ and change the path in Maya.env as MAYA_PRESET_PATH=share…
user2775421
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Center Pivot without xform

Is there a way to center the pivot of an object without the use of xform? I really would like to try and find a pyMel version of this, or the maya api, as xform is generally 10x slower than a pymel or api solution. Obviously you can achieve it with…
Shannon Hochkins
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How do I use the GeometryConstraint class?

I've been trying to get this to work for so long now, I've read the docs here, but I can't seem to understand how to implement the GeometryConstraint. Normally, the derivative version of this would be: geometryConstraintNode =…
Shannon Hochkins
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