The other day I was rendering a sequence of 74 frames with many render layers.
I usually render at night while sleeping and when I get up I do a quick comp to check if everything is fine. The problem is that Maya renders one render layer at a time for the entire sequence so if you stop it after 50 frames you’ll have nothing to comp.
The workaround was doing a batch file to render a frame at a time, but I had to write 74 lines and it’s quite susceptible to human errors. So I ended with a simple batch file that make a loop!
@REM initialize variables
@SET startFrame=1
@SET endFrame=60
@SET proj=S:\wiskyPlanet
@SET scene=wiskyPlanet_anim_017_A3.mb
@SET mayaInstallDir=C:\Program Files\Autodesk\Maya 2011 Subscription Advantage Pack
@SET verbose=5
:while
@REM test condition
@IF %startFrame% GTR %endFrame% (GOTO wend)
@REM procedure where condition is "true"
@echo =====================================
@echo frame to render is frame %startFrame% (of %endFrame%)
@echo =====================================
"%mayaInstallDir%\bin\Render.exe" -r mr -rt 4 -v %verbose% -s %startFrame% -e %startFrame% -proj "%proj%" "%proj%\scenes\%scene%"
@REM set new test value
@SET /a startFrame=startFrame+1
@REM loop
@GOTO while
:wend
@PAUSE
You can set the variable in the first part:
Start frame
End Frame
Project Directory
Scene Name
Directory where Maya is installed
Quantity of detail of the log (1 to 6)
@SET startFrame=1
@SET endFrame=60
@SET proj=S:\wiskyPlanet
@SET scene=wiskyPlanet_anim_017_A3.mb
@SET mayaInstallDir=C:\Program Files\Autodesk\Maya 2011 Subscription Advantage Pack
@SET verbose=5
and this is the string with the render command, you can add whatever flag you want (like -rl for render layers ecc ecc)
"%mayaInstallDir%\bin\Render.exe" -r mr -rt 4 -v %verbose% -s %startFrame% -e %startFrame% -proj "%proj%" "%proj%\scenes\%scene%"
And this is the same for OSX (and linux i guess)
#!/bin/bash
for i in {1..60}
do
echo $i
Render -r mr -rt 4 -s $i -e $i -proj "MayaProjectPath" "MayaSceneFileName"
done
Happy rendering!
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