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  problem of projection  (Read 1056 times)
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Offline dsel

Junior Newbie




Java games rock!


« Posted 2002-11-13 13:49:52 »

hi,

I have points in a virtual world.
All points are in a same plan (Z = cste)


I used canvas3D.getPixelLocationFromImagePlate(coord3D,coord2D)
to find the position of a point in image plate.

How can I found 3D position of an image plate point. if I use
canvas3D.getPixelLocationInImagePlate(coord2D,coord3D)
the point isn't in z =cste plan but in z = 0 plan.


in fact, I search a matrix to project points between 2 plans
(in my case plan z=0 in plan z=cste)



Point (x,y,z =cste )----- getPixelLocationFromImagePlate ---> Point(x',y',0)


Point(x',y',0)     ------- Huh ------->(x,y,z=cste)



Thanks,
David.
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