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Corner Pin Effect…just need more pins!
I’ve got a photograph of a window front with 5 panels of glass, each has its own angle.
I’m trying to throw some video on the transparancy of the window and need to match the perspective of each window to the video. I essentially just need a corner pin effect but with a custom amount of pins, say 16 pins for this use.
How could I accomplish this?
Thanks.
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11 Replies
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I’m only using one layer of video though, so I’d like to just be able to pin each perspective rather than duplicate and manually try to match perspectives up and line up the video to five layers.
Thanks.
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huh?
got an example, because I don’t follow. I get that you have multiple panes and you want to track them…
Are you trying to get one video on every pane, or one video for the entire window?
If you’re trying to get one video on every pane, then duplicate the video for as many panes as you have, and apply corner pin to each one and pin the corners to the corners of the panes.
If you’re trying to get one video for the entire window, then you need to corner pin the entire window with the one video layer. You don’t need more than 4 corner pins for that. If you are trying to see the pane edges on top of the video, then you need to mask them out. You could also do a layer for each pane and use a color like blue for every layer, then precompose those into a single matte for the video to be applied to, and corner pin the whole window to get the perspective right.
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I want one layer of video to be spread across all those windows, but with the perspective right for each “frame”.
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you’re gonna have to split the video into as many pieces as you have windows, then corner pin each of those pieces.
for example, you will have to crop the video and render out 4 custom sized videos to fit those windows, then corner pin each of them. If the video is 720 pixels wide, divide that by four, and that’s how large each piece needs to be, or you can make one smaller and the rest bigger, etc.
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I’m making a rough version of what a rear projection screen would look like on each of the windows – so the perspective of the image has to match the window as it essentially IS the window.
Imagine if I a storefront owner wanted to see what it looked like to have art on each of the windows in this storefront…each piece of art would have to be warped to match the perspective…only in this case, the art isn’t seperate for each window, but rather, when looking from far away each window comes together to form one final image. I hope that explains it right.
I just assumed there’d be a way or other plugins that allow you to pin more than four corners.
Thanks.
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the technique I was talking about before with splitting the video into four pieces and pinning each of those is the only way you’re going to achieve this effect.
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how about this:
duplicate your video layer 4 times. now, on layer video 1(precompose please) , mask it off so that it fits your left screen. corner pin it. if you do this for all windows with all the layers, you end up with essentialy 1 video playing on 4 different screens. it’s a nice effect
good luck!
Greetzz
Bart
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men, you are fast Dave^^
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Dave Rocks =)
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[Brian Lynn] “Dave Rocks”
Yes, he does indeed rock. In fact, Kathlyn was telling me his band — The Supersonic Speed Metal Banjo — may be getting a major contract soon. Of that, Dave says that he “…can’t wait to get screwed by managers, attorneys, accountants and record labels like most all musicians.”
Awaiting the album,
Best regards,
Ron Lindeboom
Remember: Burt Bacharach lied. What the world really needs now is an undo button.
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