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Re: [ferret_users] function 'wire' hangs when no data specified



Hi Hella,
Actually, 'w'  is short for 'where'.  This is the command that lets you get back the location on a page that corresponds to a mouse click.  So Ferret is waiting for you to click within the plot box, and when you do, it will return the XMOUSE and YMOUSE locations, and go back to the command line prompt.

I see that "SHOW COMMAND W" lists incorrect information.  Here's a little Ferret session - so this is something we should look at.
yes? show command w
 WIRE/I/J/K/L/M/N/X/Y/Z/T/E/F/OVERLAY/SET_UP/FRAME/DATASET/VIEWPOIN/ZLIMITS
       /TRANPOSE/NOLABEL/ZSCALE/TITLE

yes? show command where
 Not a recognized command: where
 
 Use SHOW ALIAS to see alternative command names

yes? show alias w*
   Alias       Command
   -----       -------
   WHERE       PPL %WHERE

-Ansley


On 2/2/2017 10:08 AM, Hella Riede wrote:
Hello ferreters,


typing a single 'w' into the ferret prompt causes ferret to hang.

     NOAA/PMEL TMAP
     FERRET v6.9
     Linux 2.6.32-431.5.1.el6.x86_64 64-bit - 04/03/14
      2-Feb-17 18:57

yes? w
^C



'w' expands to 'wire'. Apparently, missing data for wire makes ferret hang. Calling 'plot' without data correctly returns " **ERROR: invalid command: no data specified".

This happens in Ferret v6.9 as well as v7.022 (beta/debug).


Greetings,
Hella


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