[PD] Possible to mask a rectangle with a rectangle using GEM?
ryan.trigg at gmail.com
Fri Jun 11 19:03:21 CEST 2010
Thanks for your reply, sounds like interesting options (especially the
snapping two rectangles together)...could you be more specific with
instructions on what objects to use? Pardon my novice GEM skills.
On Fri, Jun 11, 2010 at 9:49 AM, patko <colet.patrice at free.fr> wrote:
> you can put an image texture with a rectangle made of alpha pixels,
> or draw an alpha rectangle using gridflow and then load it as a texture
> with #to_pix,
> or snap two rectangles with different colors,
> and turn to alpha all pixels matching the inner rectangle.
> Patrice Colet - 06 32 66 03 57
> ----- "Ryan Trigg" <ryan.trigg at gmail.com> a écrit :
> > I am trying to mask [rectangle] using GEM with another smaller
> > [rectangle] (that controls the first rectangle's alpha value wherever
> > it is placed) in order to create an adjustable rectangle outline (that
> > has a border of my desired thickness). I noticed that you can choose
> > [draw line( and [width $1( for a rectangle but the maximum thickness
> > of the line is much too small. Does anyone have any thoughts or ideas?
> > Or maybe there's an object like [disk] (using 4 segments) but with the
> > ability to adjust the height and width just like [rectangle]
> > Cheers!
> > Ryan
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