UVLayout without rotating UVs

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UVLayout is doing an excellent job laying out the UVs according to island area proportions, I'm looking for a way to restrict the UVs from being rotated when being packed, however. Maya has an option under UV Layout -> rotation -> none, which does what I'm after. Is there way to achieve this in Houdini 15.5? I see the Axis-Align Islands option but can't figure out what it does and it is not mentioned in the help document - is there a way to establish an axis direction through an attribute create perhaps? Any thoughts would be much appreciated Thanks!
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Axis align option will figure out island's best axis and will attempt to align that axis to coordinate axes. This option is there to mostly help packing of pieces that have rectangular shape.

I am not sure if there's a way to do what you want in UVLayout, but I may be wrong.
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Same problem here, i was in a hurry, so i did use modo UV tool Pack Uvs (horizontal) on an exported obj, but i'd really like to be able to orient the UVs inside houdini
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Ran into this just now, sent a RFE. Hope to figure something out soon so I can do more and more of my daily work in Houdini.
http://emill.fi [emill.fi]
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any solution to this? i am trying to uv flatten a couple of simple grids but they get rotated in uv space
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