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 How can I pick the low marks?		  New Topic  Reply to Topic
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dcuser

Germany
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Posted - 07/29/2004 :  09:35:17 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hallo all,

I have written some code that helps me to pick up the peaks in my
sine-like curve. The code looks like this:

LT_execute("curve.reset()");
LT_execute("%W = %[%C,'_']");
LT_execute("%W!wks.addcol(PkIndex1)");
LT_execute("%W!wks.addcol(Pkx1)");
LT_execute("%W!wks.col$(%W!wks.ncols).type = 4");
LT_execute("%W!wks.addcol(Pky1)");
LT_execute("curve.data$ = %C");
LT_execute("curve.peakIndex$ = %W_PkIndex1");
LT_execute("curve.pickPeaks.rectHeight = 0.025");
LT_execute("curve.pickPeaks.rectWidth = 0.05");
LT_execute("curve.pickPeaks.minHeight = 0.10");
LT_execute("curve.pickPeaks(1)");
LT_execute("get %W_PkIndex1 -e end");
LT_execute("for ( ii = 1; ii <= end; ii += 1) { %B = curve.data$; index = %W_pkindex1[ii]; %W_Pkx1[ii] = xvalue(index,%B); %W_Pky1[ii] = %B[index];}");


And it works really fine. But now I want/need to pick up the low marks in this curve.
Is there anybody around who could help me?

many thanks,
opasen

Mike Buess

USA
3037 Posts
Posted - 08/02/2004 :  8:12:41 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Have you tried inverting your curve (multiply by -1) and picking peaks again?

Mike Buess
Origin WebRing Member

Edited by - Mike Buess on 08/02/2004 8:18:24 PM
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dcuser

Germany
Posts
Posted - 08/03/2004 :  09:56:42 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello Mike,

many thanks for your hint! It works now ;))...
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