Plot lines in 3d as cylinders

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  • #1
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hey

How can i do that? Can anyone of you help me?


greets
button

MATHEMATICA
 
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Answers and Replies

  • #2
CompuChip
Science Advisor
Homework Helper
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You're posting in the Software section, so I assume you want to do it using a computer program, but you didn't tell us which one.

Also, how do you mean: plotting lines as cylinders? You mean you want to draw a cylinder of radius r along a line?
 
  • #3
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Sry. The data-file contains start and end-point of the cylinders (lines). I want to create a huge number of cylinders with external data.
How can I do that?
I dont know how to format the external data and how I have to do the command in mathematica.
 
  • #4
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I tired to do with
list = Partition[Import["Sites/IWS/testFile.txt", "Table"], 2]
Graphics3D[Cylinder
  • ]

    but in that way I am not able to change the cylinder-radius. How can I add this parameter in my list?
 
  • #5
CompuChip
Science Advisor
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From the help,
Code:
Cylinder[{{Subscript[x, 1],Subscript[y, 1],Subscript[z, \
1]},{Subscript[x, 2],Subscript[y, 2],Subscript[z, 2]}},r]
represents a cylinder of radius r around the line from (Subscript[x, \
1],Subscript[y, 1],Subscript[z, 1]) to (Subscript[x, 2],Subscript[y, \
2],Subscript[z, 2]).
So you could simply use that command.

How you would convert to that from your raw data depends on the version of Mathematica (I suspect you are using 6.0+) and the precise format of the text file.
 

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