ImageJ and equations

[Juan Francisco-2]

Dear all:
  after writing and executing a macro, I can get on the results windows 2 lines consiting on:  in first line I obtain  coordinates X1 and Y1, and in the second line the coordinates X2 and Y2:
  Pls, how is possible to compute the distance between them?. I would like to know how I can write this specific command.
  Thank you evry much for all!!
  JFC

       
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[Christopher Coulon-2]

> Dear all:
>   after writing and executing a macro, I can get on the results windows 2
> lines consiting on:  in first line I obtain  coordinates X1 and Y1, and in the
> second line the coordinates X2 and Y2:
>   Pls, how is possible to compute the distance between them?. I would like to
> know how I can write this specific command.
>   Thank you evry much for all!!
>   JFC
>

This should work:

> dx = X2 ­ X1;
> dy = Y2 ­ Y1;
> distance = sqrt(dx*dx + dy*dy);

Chris Coulon
       

The GAIA Group
Global Automated Image Analysis
http://gaiag.net
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We welcome image analysis problems in all fields.

Christopher Coulon, Ph.D., Founder