[postgis-users] Exposing the unknown

[Chris Hermansen]

if A = (Xa,Ya) and B = (Xb,Yb) then X = (Xb,Ya)

unless I'm mis-understanding your picture

Bob Pawley wrote:
> If one has a point "A" and a point "B" is it possible to return the 
> coordinates to point "X" without manipulating 2 lines??
>  
> X                                       A
> o                                        o
>  
>  
>  
> B
> o
>  
> Bob
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-- 
Regards,

Chris Hermansen         mailto:chris.hermansen at timberline.ca
tel+1.604.714.2878 · fax+1.604.733.0631 · mob+1.778.232.0644
Timberline Natural Resource Group · http://www.timberline.ca
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