Re: errors with AMWG diagnostic package

I have not heard of any problems like that described.

As noted at
http://www.ncl.ucar.edu/new_release.shtml

There is no mention of any work station updates.

----
Under the scenario below, specifically
    wks = gsn_open_wks(plot_type,...)
The key is the "..." say "pltName"
   wks = gsn_open_wks(plot_type,pltName + i)
where each iteration there is a new name ... should work.
D
Mark Branson wrote:
> Hi everyone.
> 
> Most of the ncl routines that are called by the AMWG diagnostics  
> package have a loop of this basic format:
> 
> do i = 0, nvars-1
>    .
>    .
>    wks = gsn_open_wks(plot_type,...)
>    .
>    (set a bunch of resources)
>    .
>    gsn_panel(wks,plot,(/2,1/),pan)         ; panel plot
>    .
>    frame (wks)
> end do
> 
> and plot_type is in fact set to pdf.  Again, this worked splendidly in  
> all versions of ncl 5.0 and before, but now it fails in 5.1.  That  
> seems strange to me.
> 
> To my knowledge there is no gsn_close_wks command.  Doesn't the frame  
> command update and clear the workstation objects?
> 
> Thanks!
> Mark
> 
>> In fact you cannot have more than one PDF workstation open at a time.
>> PDF files end with a pointer to a reference table that specifies  
>> byte addresses
>> for PDF objects in the file.  This table cannot be completed until  
>> the file is
>> closed.  I decided that the benefit/cost ratio was not high enough  
>> to make
>> the necessary mods to keep in memory all of the necessary pointers for
>> more than a single PDF output file, since I was thinking it would be  
>> rare
>> that someone would want that.
>>
>> This limitation is mentioned at:
>>
>> http://ncarg.ucar.edu/gks/pdf.html
>>
>> Fred Clare
>>
>>
>>
>>
>>
>> On Jul 1, 2009, at 3:55 PM, Mark Branson wrote:
>>
>>> I can't remember when ncl v5.1 came out and was installed on my
>>> machine, but I'm pretty sure it happened in the last few months.
>>> Because I have a version of the AMWG diagnostic package that Rich
>>> Neale maintains, and back on April 27th it worked fine, but now I get
>>> errors like these:
>>>
>>> SET 3 ZONAL LINE PLOTS
>>> MAKING ANN PLOTS
>>> Copyright (C) 1995-2009 - All Rights Reserved
>>> University Corporation for Atmospheric Research
>>> NCAR Command Language Version 5.1.0
>>> The use of this software is governed by a License Agreement.
>>> See http://www.ncl.ucar.edu/ for more details.
>>> warning:GKS:GOPWK: -- Only one PDF workstation can be open at a time
>>> fatal:Workstation with PID#88 is not open
>>> ERROR    3 IN NGSETI - value for WO must reference an open
>>> workstation.
>>> ERROR    1 IN NGSETI - Uncleared prior error
>>> ERROR    1 IN NGSETI - Uncleared prior error
>>> ERROR    1 IN NGSETI - Uncleared prior error
>>> ERROR    1 IN NGSETI - Uncleared prior error
>>> ERROR    1 IN NGSETI - Uncleared prior error
>>> fatal:Unable to open Workstation-Can't Create
>>> fatal:Unable to access object with id:-4
>>> fatal:NhlGetValues:PID #-4 is invalid
>>> fatal:Execute: Error occurred at or near line 3178 in file  
>>> $NCARG_ROOT/
>>> lib/ncarg/nclscripts/csm/gsn_code.ncl
>>>
>>> Perhaps I need to install v5.1.1????
>>>
>>> Thanks,
>>> Mark Branson
>>>
>>> _______________________________________________
>>> ncl-talk mailing list
>>> List instructions, subscriber options, unsubscribe:
>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
> 
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