```Date: Thu, 17 Mar 2005 11:01:34 -0800 Reply-To: "Choate, Paul@DDS" Sender: "SAS(r) Discussion" From: "Choate, Paul@DDS" Subject: Re: Fill up pattern Comments: To: Graeme Kirton Graeme - Don't know if you saw this post. I believe this creates your counter correctly. data wafers; do y = -63 to 62 by 1; do x = -63 to 62 by 1; waferno=6; output; end;end; do y = -64 to 62 by 1; do x = -62 to 62 by 1; waferno=8; output; end;end; run; data wafers; set wafers; if y=0 then signy=1; else signy=sign(y); if x=0 then signx=1; else signx=sign(x); y=signy*y; x=signx*x; run; proc sort; by waferno signy signx y x; data wafers(DROP=signy signx counterx); retain counter waferno x y; set wafers; by waferno signy signx; if (y=0 and x=0) or (y=0 and x=1 and signx=-1) or counterx=17 then counterx=0; counterx+1; y=signy*y; x=signx*x; if signy=-1 or (y=0 and signx=-1) then counter=18-counterx; else counter=counterx; run; proc sort; by waferno y x; RUN; Paul Choate DDS Data Extraction (916) 654-2160 -----Original Message----- From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On Behalf Of Graeme Kirton Sent: Thursday, March 17, 2005 3:05 AM To: SAS-L@LISTSERV.UGA.EDU Subject: Fill up pattern Hi folks, not posted for a while. Need some help. Need a counter to fill down and fill up from co-ordinate 0,0. I.e create new variable based on counter. my counter is; 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 my REAL data, x ranges from -63>62 and y from -63>62 for wafer6 and x ranges from -64>62 and y from -62>62 for wafer8. DataSet to look something like (just need to add counter variable); counter,waferno,x,y 14,6,-4,0 15,6,-3,0 16,6,-2,0 17,6,-1,0 1,6,0,0 2,6,1,0 3,6,2,0 4,6,3,0 5,6,4,0 14,8,-4,0 15,8,-3,0 16,8,-2,0 17,8,-1,0 1,8,0,0 2,8,1,0 3,8,2,0 4,8,3,0 5,8,4,0 Many Thanks to ALL _________________________________________________________________ It's fast, it's easy and it's free. Get MSN Messenger today! http://www.msn.co.uk/messenger ```

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