# Documentation of call_distance

Global Index (all files) (short | long) | Local Index (files in subdir) (short | long)

## Function Synopsis

    call_distance

## Help text

     Purpose: callback function to return the distance between 2 mouse
     designated points

     Variables: none

     Global variables: none

## Cross-Reference Information

This function calls | This function is called by
--- | ---
m_xydist | m_plot_track

Pierre-Michel THEVENY <theveny@dt.insu.cnrs.fr>