Re: Making BIG images

Hi Don,

Perhaps you only need to input the -geometry option of convert
command.

e.g:
convert -geometry 1240x900

(geometry is specified in pixels)

saji

--
* Don Morton <morton_at_arsc.edu> [2009-06-02 12:32:00 -0800]:
> Hi,
> 
> I'm sure this must be trivial, and perhaps not an NCL issue, but the
> solution has eluded me. 
> 
> I'm posting some forecast graphics to the web, and users would like them
> to be larger, but without a sacrifice in resolution.  To date, I've been
> able to use gsnPaperWidth and gsnPaperHeight resources to accomplish
> this, but I end up with only a portion of the image - it seems like my
> viewing device wants to continue treating the image as if it were being
> displayed on 8.5" x 11.0" media.
> 
> I've reduced the problem to a very simple script (see below).  I run the
> script to produce "Big.ps" and when I view it using "gs" or "gv" it only
> shows me the left bottom section.  However, by playing with page sizes
> in "gv" I can get more or less of the image.  So, I suspect that NCL is
> probably doing what it should, and that my problems stem from my
> ignorance in dealing with different media types.
> 
> Once I get "Big.ps" I try to use ImageMagick to convert to GIF
> 
> convert Big.ps Big.jpg
> 
> but Big.jpg ends up, again, being only a partial image.
> 
> Is there something I should be setting in NCL, or are there a set of
> flags I should use with "convert" to ultimately get the full, but
> bigger, image in GIF or PNG format?
> 
> Thanks for any help.  My simplified script follows:
> 
> ; Include files
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"
> 
> begin
> 
>    wrfoutFile =
> "/projects/ARSCWTHR/ForecastProducts/AKTrial2/wrfout/2009052612/wrfout_d03_2009-05-30_09:00:00.nc" 
> ; Full path to the wrfout file
> 
>   f = addfile(wrfoutFile,"r")                  ; Opens the netCDF file
> 
>   wks = gsn_open_wks("ps", "Big")          ; Open a workstation for plotting
> 
>   gsn_define_colormap(wks,"WhViBlGrYeOrReWh") ; Define the colormap
> 
>   ;;;;;;;;;;;;;; Temperature plot ;;;;;;;;;;;;;;;
> 
>   tc = wrf_user_getvar(f, "tc", 0)  ; T in deg C
>   tc2d = tc(0,:,:)
> 
>   res = True     
>   res_at_gsnMaximize = True                       ; Maximize size of plot
>   res_at_gsnPaperOrientation = "auto"
>   res_at_gsnPaperWidth = 17.0
>   res_at_gsnPaperHeight = 22.0
> 
>   plot = gsn_contour(wks, tc2d, res)      ; Plot the data
> 
> end
> 
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-- 
Saji N. Hameed
APEC Climate Center          				
1463 U-dong, Haeundae-gu,                               +82 51 745 3951
BUSAN 612-020, KOREA                    		saji_at_apcc21.net
Fax: +82-51-745-3999
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