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poly_2d [message #24493]

Tue, 03 April 2001 07:25

pfis
Messages: 2
Registered: February 2001

Junior Member

I am using poly_2d to warp an image. I am using 3 parameters for each
coordinate (e.g. xnew=a+bx+cy and similar for ynew). My problem is I am
having trouble choosing 'a' such that the center of the image (actually pixel
[64,64] of a 128x128 image) does not move. Using a=fix(-64.*(b+c-1.)) keeps
the center stationary to about 1 pixel which is not good enough. I wrote my
own version of the warping program which does what I want but is slower than
poly_2d. Any help would be appreciated.

Regards,

Phil

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[Message index]

		poly_2d By: pfis on Tue, 03 April 2001 07:25
		Re: poly_2d By: thompson on Fri, 06 April 2001 15:49

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