Re: Problem in read_colormap_file

Hi Kyungna,

Yes, this is indeed a bug, and thank you for pointing it out. I'll follow up with you in a bit on a fix.

Thanks!
Rick

On Nov 16, 2012, at 2:09 AM, Kyungna Kim <knakim@gmail.com> wrote:

> Dear,
>
> I tried to use the function "read_colormap_file", which is new function in version 6.1.0, and there is some problem.
> It seems to work depending on the colormap. Some colormaps work well but others don't work at all.
> I tried to look in "gsn_code.ncl" and it seperates rgb numbers by space.
> I think the problem is mainly from the different formats of the colormap scripts.
> For example, default.rgb is seperated by "," and wgne15.rgp is seperate by " ".
> Therefore, I think gsn_code.ncl between line 12592 and 12597 must be modified or colormap scripts must be the same format.
>
>
>
> -- default.rgb -------------------------
> /* this is the default hlu colormap */
>
> -1.0,0.0,0.0 /* white/black */
> -1.0,0.0,0.0 /* white/black */
> 1.0,0.0,0.0 /* red */
> 0.0,1.0,0.0 /* green */
> 0.0,0.0,1.0 /* blue */
> 1.0,1.0,0.0 /* yellow */
> 0.0,1.0,1.0 /* cyan */
> 1.0,0.0,1.0 /* magenta */
> 0.5,0.0,0.0
> 0.5,1.0,1.0
> 0.0,0.0,0.5
> --------------------------------------------------
>
> -- wgne15.rgb -------------------------
> ncolors= 15
> # r g b
> 160 32 240
> 0 0 180
> 60 100 230
> 120 155 242
> 176 224 230
> 46 139 87
> 100 225 0
> 210 255 47
> 245 230 190
> 222 184 135
> 255 225 0
> 255 165 0
> 255 69 0
> 150 34 34
> 255 105 180
> --------------------------------------------------
>
>
> -- gsn_code.ncl -------------------------
> 12592 do while (i.lt.dimsizes(lines) .and. numColors.lt.MAXCOLORS)
> 12593 if (strlen(lines(i)).eq.0) then
> 12594 lines(i) = "#" ; zero-lengthed lines cause us grief...
> 12595 end if
> 12596 tokens = str_split(lines(i), " ")
> 12597 if (dimsizes(tokens).ge.3) then
> --------------------------------------------------
>
>
> -- Submitting a bug report -------------------------
> To report an NCL bug, email ncl-talk@ucar.edu and provide:
> 1.The version of NCL you are running (ncl -V).
> 6.1.0
>
> 2.The shortest NCL script possible that illustrates the bug.
> rc_map = read_colormap_file("default")
> printVarSummary(rc_map)
>
> 3.Any data files needed to run your script.
> 4.A graphic (PostScript file, PDF file, NCGM file, etc.) that illustrates the problem.
>
> 5.The exact error message (if any).
> fatal:New: a zero or negative value has been passed in in the dimension size parameter
> fatal:["Execute.c":7743]:Execute: Error occurred at or near line 12644 in file ./gsn_code.ncl
>
> 6.The type of system you're on (usually "uname -a" is enough).
> Linux nari0 2.6.18-128.el5 #1 SMP Wed Dec 17 11:41:38 EST 2008 x86_64 x86_64 x86_64 GNU/Linux
>
>
> Sincerely,
>
>
> Kyungna
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Received on Fri Nov 16 10:48:56 2012