Re: length of full path

This will be part of NCL 5.2.1 which will be released very soon now.
But if you need it
right away Mary can probably give you a current binary.
  -dave

On Jun 10, 2010, at 3:01 PM, Fang, Fan (GSFC-610.2)[ADNET SYSTEMS INC]
wrote:

> Thanks Dave. When and what version of NCL will this fix be released?
>
> -Fan
> ________________________________________
> From: David Brown [dbrown@ucar.edu]
> Sent: Thursday, June 10, 2010 3:12 PM
> To: Fang, Fan (GSFC-610.2)[ADNET SYSTEMS INC]
> Cc: ncl-talk NCL
> Subject: Re: length of full path
>
> Hi Fan,
>
> This problem has now been fixed. The length limit for pathnames of
> output graphics files (including the output type suffix) is now
> uniformly set at 254 characters. The problem with the GSN routines
> stemmed from the fact that they use the base name specified for the
> output as a name for the graphic objects created. This is because the
> specified name is also used to look for script-specific resource
> files, which are expected to have the same base name. The limit for
> these graphics object names was generally set to 128, but in the case
> of the XyPlot, for some reason, there was hard-coded limit of 80
> characters, which lead to the problem you encountered. Now if the
> overall limit of 254 characters is exceeded, a fatal error message is
> returned and the seg fault should be eliminated.
> -dave
>
>
> On Jun 7, 2010, at 6:06 AM, Fan Fang wrote:
>
>> I found that the limit actually has nothing to do with looping
>> several
>> plots. It seems to exist and be much smaller for a simple xy-plot,
>> when
>> loading the additional "gsn_csm.ncl". It is consistent with what I
>> found from the more complicated time series script - 85 characters
>> in my
>> Linux system including the ".eps" extension.
>>
>> Is there any way in NCL to enlarge this limit?
>>
>> -Fan
>>
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>>
>>
>> nchar = 82 ; FAIL
>> nchar = 81
>>
>> N=100
>> x = new(N, integer)
>> y = new(N, integer)
>> do i=0,N-1
>> x(i) = rand()
>> y(i) = rand()
>> end do
>>
>> char = new ( nchar, "character")
>> ca = stringtochar("a")
>> char = ca(0)
>>
>> pltName = chartostring( char )
>> pltType = "eps"
>>
>> res = True
>>
>> wks = gsn_open_wks(pltType, pltName)
>> plot = gsn_csm_xy(wks,x,y,res)
>>
>> Dennis Shea wrote:
>>> It appears to be 220 characters on my MAC.
>>>
>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>>>
>>>
>>> ;nchar = 221 ; FAIL
>>> nchar = 220
>>>
>>> char = new ( nchar, "character")
>>> ca = stringtochar("a")
>>> char = ca(0)
>>>
>>> pltName = chartostring( char )
>>> pltType = "eps"
>>>
>>> wks = gsn_open_wks(pltType, pltName)
>>> gsn_draw_colormap(wks)
>>>
>>>
>>> On 6/4/10 8:51 AM, Fang, Fan (GSFC-610.2)[ADNET SYSTEMS INC] wrote:
>>>
>>>> What is the character limit of a full path name of a graphic
>>>> output file (e.g. .eps file) that can be specified in NCL?
>>>>
>>>> We had "segmentation fault" if the file name with path is too long.
>>>>
>>>> -Fan
>>>> _______________________________________________
>>>> ncl-talk mailing list
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>>>>
>>
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Received on Thu Jun 10 17:20:50 2010