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 how to make a polar contour		  New Topic  Reply to Topic
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Younger2008

USA
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Posted - 02/03/2008 :  4:16:36 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Version (Select Help-->About Origin): 8.0 sp1
Operating System: XP SP2

I would like to make a polar contour image with a known contour function. How to realize this?

Thanks,

Younger

Deanna

China
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Posted - 02/13/2008 :  01:15:48 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Younger,

Origin supports creating polar contour plots from XYZ data. Please see the following page for detailed explanation and examples:
http://www.originlab.com/index.aspx?s=8&lm=210&pid=1062

You mentioned that you have "a known contour function". Can we generate XYZ data from the function and then create a contour plot? If I misunderstand what you mean by "contour function", please explain further on this or show me an example. Thank you!

Deanna
OriginLab Technical Services
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Younger2008

USA
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Posted - 02/18/2008 :  12:57:18 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Thank you, Deanna.

I can generate XYZ data set for the polar contour. But it's time consuming and more difficult if I want more contour levels. I just want to know if there is a convenient way to plot with an analytical function.

Thanks,

BTW, it is possible to use a continuous instead banded coloring method?

Younger
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larry_lan

China
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Posted - 02/18/2008 :  8:44:26 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Younger:

There is no such function. In Origin, I think it's more handy to set the levels in Plot Detail dialog (double-click the plot). And we can't make a continuous color levels, however, you can always increasing the levels to make it looks like continuous.



Thanks
Larry
OriginLab Technical Services
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