Does anyone have a good breakdown/tutorial for the OpenMaya module?

gColeman_ShinyShoe — Mon, 14 Jun 2021 22:22:09 GMT

Specifically coming from a Pymel. OpenMaya seems to have a lot of useful functionality but, I can't find a lot of examples/tutorials that introduce it.

Re: Does anyone have a good breakdown/tutorial for the OpenMaya module?

negow — Wed, 16 Jun 2021 16:51:28 GMT

Your best bet is the official documentation for sure.

- https://help.autodesk.com/view/MAYAUL/2020/ENU/?guid=__py_ref_namespace_open_maya_html

Along with the examples of plug-ins written using it, it's the same workflow whether it's in a plug-in or Script Editor.

- https://help.autodesk.com/view/MAYAUL/2020/ENU/?guid=__py_ref_scripted_2sine_node_8py_example_html

Those are all for maya.api.OpenMaya, i.e. Maya Python API 2.0. For anything related to maya.OpenMaya, i.e. Python API 1.0, the C++ examples are the closest equivalent. Apart from a few syntax changes, like :: in place of ., the workflow is 99% the same. The remaining 1% is when dealing with pointers, for which you can find a comprehensive walkthrough right here.

- https://help.autodesk.com/view/MAYAUL/2020/ENU/?guid=__developer_Maya_SDK_MERGED_Maya_API_introduction_html

And then, once you start using the API you'll notice that it doesn't support undo and is far from as friendly as PyMEL. Which is why I made this.

- https://github.com/mottosso/cmdx

And finally, once you start running into missing parts of API 1.0 and 2.0 - of which there are many - and can no longer live with the incredibly easy-to-get-but-hard-to-debug errors you get from those API's - especially 1.0 - I would invite you to help get this project off the ground.

- https://github.com/mottosso/cmdc

That should have you covered. Hope it helps! 🙂

Re: Does anyone have a good breakdown/tutorial for the OpenMaya module?

gColeman_ShinyShoe — Wed, 16 Jun 2021 17:12:20 GMT

Thanks so much for the thoughtful reply and resources!

topic Re: Does anyone have a good breakdown/tutorial for the OpenMaya module? in Maya Programming Forum

Does anyone have a good breakdown/tutorial for the OpenMaya module?

Re: Does anyone have a good breakdown/tutorial for the OpenMaya module?

Re: Does anyone have a good breakdown/tutorial for the OpenMaya module?