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I would like to project a 3d box on a 2d horizontal midplane. I have an understanding of what perspective projection is. I referred the below link.

https://amycoders.org/tutorials/3dbasics.html

But how do you compute x and y coordinates about midplane? This is not clear to me. Any input would be greatly appreciated. Thanks.

Simon Ranjith
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  • Do you also need an advice about what language to use? Is it for a proof of concept, homework or heavy computing on gigantic datasets? – nicolallias Oct 29 '19 at 12:35
  • Have a look at https://stackoverflow.com/questions/29008483/numpy-fastest-3d-to-2d-projection and https://stackoverflow.com/questions/43849117/projecting-3d-model-onto-2d-plane – nicolallias Oct 29 '19 at 12:38
  • Your question is unclear; the page you linked to does not even mention 'midplane'. What do you mean by that? Midplane generally means a plane going through the middle of an object, but if you're trying to get a slice of the object, then that has nothing to do with perspective projection. – TamaMcGlinn Oct 29 '19 at 13:43
  • @TamaMcGlinn Thanks for the comment. I was able to understand perspective projection from the link I mentioned in my post. But I had some misunderstanding. I wanted a slice of the object about the horizontal midplane and not do any projection of a 3d box on a 2d plane. I resolved this problem though. Thanks again. – Simon Ranjith Nov 14 '19 at 23:56
  • Thanks @nicolallias for the posts and the links. I was looking for some ideas to plot some isolines in IDL. – Simon Ranjith Nov 15 '19 at 00:00

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