Matching Vanishing Point Grid

Forum|Forum|8 years ago
November 3, 2017
1 reply
1793 views

I'm trying to match furniture to an image of an interior of a room. I used the vanishing point filter in photoshop to make the image of the room into just three grids. I've tried changing the "field of view" slider in the camera perspective tab in Dimension so the lines for the floor and ceiling and the vertical lines on the walls match the grids on the 3d objects. I've attached the file below. If anyone can get the two sets of grids to line up I'd be greatly appreciative. Thanks

Link to dimension file

https://drive.google.com/file/d/1yqbfJ9itc87Vj4KEwRg-F8kLT8TXki6W/view?usp=sharing

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JeanetteMathews

Adobe Employee

You'd have to line up the angles because the objects are rotated. If you look from a top view you can see that they are not 'straight'. So they will never match at that angle. I also don't think the result your looking for is actually possible in Dimension at the moment. The Photoshop vanishing point is orthographic and not using perspective and foreshortening in a physically realistic way. Dimension doesn't currently support orthographic cameras which would be needed to get the perfectly vertical walls, for example.

S

scottmccollAuthor

Known Participant

Thanks, I made that change and still can't get them to match up though. Shouldn't the match image function work to line up the two grids? Any more info on how the match image function works or if the grids can be lined up manually would make my day

https://drive.google.com/file/d/1UVriHlsFn3COFMp3qr9t9dOTfdBrs49j/view?usp=sharing

JeanetteMathews

Adobe Employee

Yeah, as mentioned above, I don't think it's possible with what's existing today. The grid that's used in the background is an artificial grid. You can't actually have that view in Dimension because our camera always has foreshortening and perspective distortion going on.

Match Image does look for perspective information and try to match it, but it's unlikely it's going to be able to match to that degree of precision (and again since the underlying camera functionality isn't there, it wouldn't be able to exactly match it).

Can I ask why you need to match it exactly? Is it a template you're trying to match to?

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