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Good morning everyone,
I'm new user of netlogo, i want to calculate the gradient of my image as the result of my code is always "0" i don,t know why!! right now i want to get the patch color value...anyone can help me plz and thank you =)
this is the code :
;*************************
to grdn
let p1 [bw] of patch-at -1 1
let p2 [bw] of patch-at 0 1
let p3 [bw] of patch-at 1 1
let p4 [bw] of patch-at -1 0
let p5 [bw] of patch-at 1 0
let p6 [bw] of patch-at -1 -1
let p7 [bw] of patch-at 0 -1
let p8 [bw] of patch-at 1 -1
set gx (p6 + 2 * p7 + p8 ) - (p1 + 2 * p2 + p3 )
set gy (p3 + 2 * p5 + p8 ) - (p1 + 2 * p4 + p6 )
set grad sqrt ( (gx) ^2 + (gy) ^2 )
; print result
print grad
end
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