uberzev
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AKA 4 sided polygon where you can choose the location of each of the points.
I've come up with a pretty nifty solution but it breaks when you try to move things around too much.  Quadrilateral Challenge.ffxml |
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| Posted: August 29, 2012 12:17 am | ||||
Skybase
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... where's the like button on this forum.... gosh.
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| Posted: August 29, 2012 12:26 am | ||||
Morgantao
 |
I imagine you want a script free solution?
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| Posted: August 29, 2012 2:58 am | ||||
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uberzev
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I don't really care, just thought this was a fun challenge.
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| Posted: August 29, 2012 3:01 am | ||||
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Morgantao
|
I just looked at the filter construction.... Dude, you ROCK!
Due to some limitations of FF, I think a script version would be easier to make 'unbreakable'. I have encountered the same problem you have here in some of my attempts for other filters. In this case, you want to limit the X,Y values of a point so it won't cross another point. If nodes could accept math components input, that would have been easy. I had a thread about this some time ago.  |
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| Posted: August 29, 2012 3:11 am | ||||
ThreeDee
 |
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| Posted: August 31, 2012 3:21 pm | ||||
SpaceRay
 |
Well done ThreeDee I like what you have done
and I like the way it breaks with some setting as shown below and is a good thing. Also like the black and red colors with the white dots that looks very nice and elegant.  |
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| Posted: September 1, 2012 4:28 am | ||||
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SpaceRay
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And using the "SpaceRay mode"
  |
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| Posted: September 1, 2012 4:33 am | ||||
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SpaceRay
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Or better shown and nicer
 |
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| Posted: September 1, 2012 4:35 am | ||||
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SpaceRay
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And mixing two of them with a blend component
 |
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| Posted: September 1, 2012 4:42 am | ||||
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Skybase
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In a manner of emphasis I would like to further inform the public that this filter has been officially SpaceRay'd
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| Posted: September 1, 2012 6:35 am | ||||
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Morgantao
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| Posted: September 1, 2012 3:25 pm | ||||
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SpaceRay
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Oh yes! It´s now official? So it needs a seal to mark it  |
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| Posted: September 1, 2012 3:52 pm | ||||
Ghislaine
 |
Wow ! Very good !
visit https://gisoft.ca |
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| Posted: September 1, 2012 4:12 pm | ||||
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ThreeDee
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Did you ever figure this out, Uber?
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| Posted: September 4, 2012 11:03 am | ||||
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ThreeDee
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  |
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| Posted: September 4, 2012 12:21 pm | ||||
Sphinx.
 |
This might be useful (projective/perspective transform):
http://filterforge.com/forum/read.php...ssage86198 |
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| Posted: September 4, 2012 1:01 pm | ||||
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ThreeDee
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Since there have been no takers, here's my solution.
Green is front side, red back side. The corners have been named by the color of their dots (red, green, blue, yellow) in the controls. The only sensible way (other than scripting) I could think of was to divide the polygon into two pairs of overlapping triangles so that you can threshold out the unnecessary faces. This turned out to have the additional benefit of separating out the front and the back side of the shape. Quadrilateral.ffxml |
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| Posted: September 9, 2012 12:28 pm | ||||
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