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 How to plot 3D wireface		  New Topic  Reply to Topic
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apple18880

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Posted - 06/22/2009 :  12:31:44 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): OriginPro 8 SR0
Operating System: Windows Vista

Dear all,
I have 10 X-Y data (X-axis is for wavelength, Y-axis is for intensity) were measured at different degrees.
I would like to plot 3D wireface (similar figure below): X-axis is degrees, y-axis is wavelength, and z-axis is intensity.
Thanks for your help!
Linh

Deanna

China
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Posted - 06/23/2009 :  05:57:28 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

3D wireframe surfaces plots are created from matrix. You mentioned that you have XYZ data. I assume that your data is in a worksheet. If this is true, you will have to convert your worksheet data to a matrix before plotting. To perform the conversion, you may use Direct Conversion or XYZ Gridding . For more information, please read the following chapter in our online help:

http://www.originlab.com/www/helponline/Origin8/en/origin.htm#matrix_conversion_and_gridding/matrix_conversion_and_gridding.htm


Deanna
OriginLab Technical Services
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apple18880

3 Posts
Posted - 06/24/2009 :  12:01:09 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Deanna,
Thanks for your suggestion. I try to plot 3D wire surface, but I have problem in the scale of X and Y axis.
First I have worksheet X-axis (1st column) is Wavelength, Y-axis (other column) is intensity measured at different degrees:



and I plot the 2D picture:



I used Direct Conversation converter to matrix:

X data values in the 1st column, Y data values in the 1st row (different degrees) and Z values in columns 2 to N and rows 2 to M (intensity).



and plot the picture:



The form of pictures in 2D and 3D is similar, but the scale of X and Y axis is not the same.
The value of X-axis in 2D is 550 to 950, but in 3D is 2-10.
The value of Y-axis in 2D is 0 to 40, but in 3D is 2-10.
I try to modify and not success.
Thank for your help,
Linh
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Deanna

China
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Posted - 06/24/2009 :  9:46:26 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
The problem is with the matrix conversion. The X and Y values should be set as the Xs and Ys of the matrix instead of putting inside the matrix.

I used some data similar to yours. The direct conversion can be set up as follows:



When you have the converted matrix, please select View: Show XY from the main menu. Then you will see the Xs and Ys of the matrix.



Finally, you can plot from this matrix.

Deanna
OriginLab Technical Services
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apple18880

3 Posts
Posted - 06/25/2009 :  07:33:15 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Deanna,
Thank you very much!
Linh
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