<![CDATA[[SOLVED/NEW SHADER] Fade out/soften edges of projector output]]>Hi, Im looking for a reasonable method to feather the edges of a projector-output. For my virtual dance project I place the projector outputs on one stage (2 dancers, 1 musician) and I'd like to blend the edges rather than having the hard edges. The vignette actor looks quite nice, the picture fades into black like wanted. Unfortunately it produces a sharp black edge, so this doesn't work for me. Any ideas?

]]>https://community.troikatronix.com/topic/6617/solved-new-shader-fade-out-soften-edges-of-projector-outputRSS for NodeThu, 18 Jun 2026 14:16:24 GMTWed, 13 May 2020 13:26:50 GMT60<![CDATA[Reply to [SOLVED/NEW SHADER] Fade out/soften edges of projector output on Wed, 13 May 2020 18:31:00 GMT]]>@mark Much better, thank you very much. The video is just a placeholder while not having the NDI-Streams for testing. The dancers love to have a space where they can "physically" touch each other and without the hard edge it will look great.

]]>https://community.troikatronix.com/post/41001https://community.troikatronix.com/post/41001Wed, 13 May 2020 18:31:00 GMT<![CDATA[Reply to [SOLVED/NEW SHADER] Fade out/soften edges of projector output on Wed, 13 May 2020 16:51:37 GMT]]>@martin_kemner said:

Hi, Im looking for a reasonable method to feather the edges of a projector-output.

I made a shader for you and fixed the bug mentioned on Facebook.

Here's the .izz file with the GLSL Shader in it.

Best Wishes,
Mark

feathered-edges-shader.izz

]]>https://community.troikatronix.com/post/40998https://community.troikatronix.com/post/40998Wed, 13 May 2020 16:51:37 GMT<![CDATA[Reply to [SOLVED/NEW SHADER] Fade out/soften edges of projector output on Wed, 13 May 2020 14:59:16 GMT]]>@martin_kemner

Yes the edge blend is for the whole stage. But if you send the two videos to a virtual stage and set the edge blend for that virtual stage you can send the composite to a real stage. This would not effect the other outputs on that stage with the edge blend.

Best Michel

]]>https://community.troikatronix.com/post/40991https://community.troikatronix.com/post/40991Wed, 13 May 2020 14:59:16 GMT<![CDATA[Reply to [SOLVED/NEW SHADER] Fade out/soften edges of projector output on Wed, 13 May 2020 14:50:55 GMT]]>@michel I thought this is for the whole stage only, not for the projector output. Anyway, Mark(?) posted a GLGS-Shader script on FB-Isadora-group which works (nearly) perfect. The "Top" crops at the moment, all other sides feather perfectly

]]>https://community.troikatronix.com/post/40990https://community.troikatronix.com/post/40990Wed, 13 May 2020 14:50:55 GMT<![CDATA[Reply to [SOLVED/NEW SHADER] Fade out/soften edges of projector output on Wed, 13 May 2020 14:41:11 GMT]]>@martin_kemner

For example with 2 edgblend masks.

]]>https://community.troikatronix.com/post/40989https://community.troikatronix.com/post/40989Wed, 13 May 2020 14:41:11 GMT