[Octave-bug-tracker] [bug #50466] makehgtform function missing

[Rik]

Follow-up Comment #9, bug #50466 (project octave):

The problem, as noted, is that some graphics objects don't have data
properties.  The text object is one of them.  It has a position property and a
rotation property.  Instead of just doing matrix multiplication which is what
hgtransform does now, one would need to merge the position and rotation
information into x,y, and zdata, apply the transform, and then unmerge the
data back to position and rotation.  That sounds like a lot of work.

Do you know if Matlab allows any object to be parented to an hgtransform?  The
simplest thing would be a restriction on the allowed object types.  If Matlab
does accept any object, does it actually transform them all or does it simply
ignore ones with no data property.  Finally, if it is transforming even text
fields then the transform becomes much more complicated as it will need to be
a switch statement off of the graphics object type and properties.

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