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 independend dataset for calculation		  New Topic  Reply to Topic
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mkoetse

Netherlands
Posts
Posted - 01/19/2004 :  08:30:36 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hello all,

I have the next bit of code:

---
Worksheet wks(strWks);
int rown = GetRownVon(strWks);
Dataset dsV(wks,0);
Curve cvEcd(wks,5); // is Ecd
Curve cvElm(wks,6); // is Elm
int datsize = dsV.GetSize();
cvEcd.SetLowerBound(rown);
cvElm.SetLowerBound(rown);
cvEcd.SetUpperBound(datsize-2*rown);
cvElm.SetUpperBound(datsize-2*rown);
double maxCd = xatymax(cvEcd);
double maxLm = xatymax(cvElm);
---
This works fine, but is there a simple way to get a range of the curve, without using Set Lower and Upperbound? I'd like to plot the whole curve and do the math on only a part of the data.

Regards,

Marc


cpyang

USA
1406 Posts
Posted - 01/19/2004 :  10:02:40 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
To use a range of a plotted curve, the best thing to do is a use a copy constructor, see http://www.originlab.com/forum/topic.asp?TOPIC_ID=2784 where I have posted sample codes.


CP
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mkoetse

Netherlands
Posts
Posted - 01/19/2004 :  11:49:30 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Thanx,

Exactly what I was looking for! But, could it be that this way of use of the Curve object is only constructed in version 7.5? (because I get constructor errors after trying to build.)
If so is there a version 7(SR4) work around?

Marc





Edited by - mkoetse on 01/19/2004 2:40:47 PM
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