Snapshot within a circle

[Alejandro Tejada]

Hi Jim,


Jim Lambert wrote
> Try
> set the backgroundPattern of grc “oval" to the ID of image “myImage”
> The export as Richmond’s stack does.

This change produces a beautiful and perfectly round
transparent PNG.

If you want to keep the black background, just change the
order of grouping:

group grc "oval" and img "myImage"

and remember to ungroup after exporting:

ungroup group "exportGrouP"

The PNG produced shows some rough edges,
because the bitmap is bigger than the oval grc,
but you could fix it easily (if needed). 

Al




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