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ahmad_xjtu

China
1 Posts
Posted - 07/21/2018 :  11:13:04 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
I want to make (temperature) contours using cylindrical coordinates. I have the values for Height, radius(constant), and Theta against the temperature values. I have downloaded the graph function and hooked into the originpro. But I am not getting the desired results.
As shown in the picture, I have results for flat surface I want to wrap it i.e. convert into in cylindrical shape as shown on the right side.
Please let me know how to arrange data.
thank you


ahmad

Castiel

343 Posts
Posted - 07/22/2018 :  10:48:37 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
quote:
Originally posted by ahmad_xjtu

I want to make (temperature) contours using cylindrical coordinates. I have the values for Height, radius(constant), and Theta against the temperature values. I have downloaded the graph function and hooked into the originpro. But I am not getting the desired results.
As shown in the picture, I have results for flat surface I want to wrap it i.e. convert into in cylindrical shape as shown on the right side.
Please let me know how to arrange data.
thank you


ahmad


Create the cylinder as 3D parametric plot and fill piece by piece using your data or fill contour from matrix of your data.

https://www.originlab.com/doc/Origin-Help/PD-Dialog-3DParaFunc-Tab
https://www.originlab.com/doc/Origin-Help/PD-Dialog-ColorFill-Tab#Contour_fill_from_matrix


     #####
    #### _\_  ________
    ##=-[.].]| \      
    #(    _\ |  |------|
     #   __| |  ||||||||
      \  _/  |  ||||||||
   .--'--'-. |  | ____ |
  / __      `|__|[o__o]|
_(____nm_______ /____\____
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Hideo Fujii

USA
1582 Posts
Posted - 07/23/2018 :  4:57:21 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi ahmad_xjtu,

Here is an addendum:

The function of a cylinder is: 
x(u,t)=r*sin(t)
y(u,t)=r*cos(t)
z(u,t)=u
for "File: New: Function Plot: 3D Parametric Function Plot" menu. (You give the value of r for radius.)
Double-click the plot to show the Plot Details dialog, and press "Matrix" button to open the matrix book.
Create the 4th matrix object there for the contour data, and you can assign the 4 matrices as Castiel
suggested.

Hope this helps.

--Hideo Fujii
OriginLab
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lkb0221

China
497 Posts
Posted - 08/03/2018 :  1:29:33 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

OriginLab has posted a new blog for this, check this:
http://blog.originlab.com/graphing/create-cylinder-and-colored-by-a-different-data-souce
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