That's what I get for not actually running my code! Glad to hear it worked
out and you fixed the bugs.
On Monday, October 9, 2017 at 5:40:26 PM UTC-4, Jeremy Beauchamp wrote:
>
> Thank you Andres!
> This is exactly what I was looking for:)
> I changed a few things:
>
> 1. some commands as cmds, not mc.
> 2. added listRelatives as I was getting the shape node in the list of
> locators, which gave me the incorrect vray_shader_target.
> 3. defined locators variable.
> 4. matches.append(locator, shader) errored out, stating it needed one
> argument, but two given. It was missing [].
>
> The changes are below:
>
> ----------------------------------------------
> import maya.cmds as mc
>
> vray_shaders = mc.ls(type='VRayMtl') # We store the materials here and
> not within the for loop because it would be wasted computations for every
> locator.
> locators = mc.listRelatives(mc.ls(type='locator'), p=True)
>
> matches = []
> for locator in locators:
> vray_shader_target = locator.replace('locator', 'shader')
> if vray_shader_target in vray_shaders:
> # You can shorten your query code if you use list unpacking
> position = mc.getAttr(locator + '.translate')[0] # Here we obtain a list
> of positions, and retrieve the first entry (translate)
> mc.setAttr(vray_shader_target + '.color', *position, type='double3') #
> Using * we can unpack the list of length 3 unto all three rgb entry args
> matches.append([locator,vray_shader_target])
> # We stored the matches in the format list(list(locator, shader)) so now
> you can run through that list like this if you wanted to use it later:
> for locator, vray_shader_target in matches:
> print(locator, vray_shader_target)
>
> On Monday, October 9, 2017 at 12:47:57 PM UTC-7, Andres Weber wrote:
>>
>> To do matching like this at a more basic level usually people do some
>> sort of token within the name of each object that represents the object
>> type. For example:
>>
>> target_locator
>> target_shader
>> target2_locator
>> target2_shader
>>
>> something like that. This way you can do really quick string
>> replacements to try to query the relationship of the names of two objects.
>> Otherwise you'd probably need to query some sort of relationship between
>> the two, use sets or a myriad of ways of defining relationships between
>> objects in Maya. You're also running into the issue of matching the shape
>> node because you can't actually name two nodes the exact same string.
>>
>> So for example (if you now name your nodes in some way like above) you
>> could refactor your code to something like this:
>>
>> https://gist.github.com/AndresMWeber/788e203f4500039a12bf38dfc086b904
>>
>> On Monday, October 9, 2017 at 1:43:35 PM UTC-4, Jeremy Beauchamp wrote:
>>>
>>> I'm still fairly new to Maya and python, so i have a few questions.
>>>
>>> I have two lists:
>>> 1. Materials
>>> 2. Locators
>>> I want to compare each list and if the locator has the same name as the
>>> material then:
>>> getAttr transforms from the locator and setAttr color to the material.
>>>
>>>
>>> If I define the name of the material and locator as 'someMaterial', it
>>> works.
>>> How do I make it so I don't have to define the names of the material or
>>> locator as that can be completely random?
>>> Also, the locators will always have the same name as the material by
>>> default, unless there is a better way to compare?
>>>
>>> -------------------------------------------
>>>
>>> locator = cmds.ls(type='locator')
>>> someMaterialLoc=[]
>>> for x in locator:
>>> if x == 'someMaterialShape1':
>>> someMaterialLoc.append(x)
>>> print someMaterialLoc
>>>
>>> allShaders = cmds.ls(type='VRayMtl')
>>> someMaterial =[]
>>> for x in allShaders:
>>> if x =='someMaterial':
>>> someMaterial.append(x)
>>> print someMaterial
>>>
>>> if str(someMaterial[0]) == someMaterialLoc[0][0:12]:
>>> red = cmds.getAttr(someMaterialLoc[0], '.translateX')
>>> green = cmds.getAttr(someMaterialLoc[0], '.translateY')
>>> blue = cmds.getAttr(someMaterialLoc[0], '.translateZ')
>>> cmds.setAttr ((someMaterial[0] + '.color'), red, green, blue, type =
>>> 'double3' )
>>>
>>> -------------------------------------------
>>>
>>> Any recommendations would be greatly appreciated.
>>> Thanks,
>>> Jeremy
>>>
>>>
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