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Help with defining a consition within a circular boundary

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# 1  
Old 11-05-2015
Help with defining a consition within a circular boundary
Hi Help,

I am trying to create something like ---

Suppose, I have grid origin at
Code:
X=600000.0 & Y=90000.0.

For any values of X, Y values lying within a circular periphery defined by circle of radius
Code:
R=500m;X=599500.0 & 600500.0 ;Y=90500.0 & 89500.0

should have a
Code:
default=0

or else it should have a
Code:
default=1

.

Is it possible doing this using awk or shell. If yes, please suggest me a way or else please redirect me to any thread if already been discussed.

I have tried to find a lot on this but not find anything which helps.

Thanks,
# 2  
Old 11-05-2015
Any attempt from your side?
This User Gave Thanks to RudiC For This Post:
Indra2011
# 3  
Old 11-05-2015
No Sir, Unfortunately I do not have any clue how this could be done.
# 4  
Old 11-05-2015
Pity! How about
Code:
awk -vX0=600000.0 -vY0=90000.0 -vR=500 '{print "X:", $1, ", Y:", $2, ", default:", sqrt(($1-X0)*($1-X0) + ($2-Y0)*($2-Y0)) <= R}' file
X: 598800.0 , Y: 90000.0 , default: 0
X: 599500.0 , Y: 90000.0 , default: 1
X: 600500.0 , Y: 90000.0 , default: 1
X: 598800.0 , Y: 90000.0 , default: 0
X: 600000.0 , Y: 89500.0 , default: 1

given X and Y coordinates are in file like
Code:
598800.0        90000.0
599500.0        90000.0
600500.0        90000.0
598800.0        90000.0
600000.0        89500.0

This User Gave Thanks to RudiC For This Post:
Indra2011
# 5  
Old 11-05-2015
Many thanks. You thought it so simple.
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