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sanjinwx

Germany
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Posted - 04/30/2007 :  05:24:53 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Version (Select Help-->About Origin): 7，5
Operating System:windows XP
Here I have XYZ data,but for Y the step value is not the same.
So when I choose Z to convert to matrix to Regular XYZ make contour plot,it is impossible.
There is an Attention coming out: Deviation in data is greater than 25% of step value-try radom XYZ conversion.
But to choose radom XYZ I can not get the colourful contour picture I need.
What should I do to make contour plot under this condition?
Thanks a lot.

larry_lan

China
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Posted - 04/30/2007 :  11:48:48 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi:

If the Y is not uniform spaced, you should use Random XYZ gridding, which means the grid cells are calculated by some kind of interpolation.

Maybe you can provide some data and tell us what you expect to plot?

Larry
OriginLab Technical Services
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sanjinwx

Germany
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Posted - 05/02/2007 :  03:57:17 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
OK, here is my data.
Thank you for your effort.
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larry_lan

China
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Posted - 05/02/2007 :  06:50:43 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Sorry, I didn't make it clear. Please send your data to tech@originlab.com

In your email, please describe what you want the plot looks like, and why the Random XYZ gridding result is not you need.

Thanks

Larry
OriginLab Technical Services
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