How can I perform Move, Rotate and Scale transformations on UV vertices using precise numeric values? Is there an add-on I can use?
When I transform most types of spatial elements in Blender, the Tools panel displays a panel of options for that transformation, particularly a list of numeric input fields.
When I transform UV vertices in the UV/Image Editor, no such options panel appears in the UV/Image Editor Tools panel, but an options panel does appear in the 3D view Tools panel. When I adjust the numeric values in that options panel the mesh gets transformed instead of the UV vertices.
When I transform UV vertices in the UV/Image Editor, copy the logged python code used to perform that operation, and run that code in the python console, the mesh is transformed instead of the UVs.
It seems that Blender's UV transform UI is simply a half-hijack of the regular transformation workflow.