Adam,
Regarding EPS files produced by NCL, I am not sure where you got
the 288 DPI figure. There is a PSWorkstation resource that controls
the resolution of the coordinate system used in PS (EPS, EPSI) output
files - wkPSResolution:
http://ngwww.ucar.edu/ngdoc/ng/ref/hlu/obj/PSWorkstation.res.html#wkPSResolution
By default it is set to 1800 DPI, which of course
is higher than the resolution of most output devices. The docs state that
you can modestly reduce the size of output files by setting this to a
lower number.
The only type of plot that might not appear at maximum resolution for
a 300 DPI output device are raster mode contour plots with very high
res data or with the smoothing option turned on. There is a ContourPlot
resource, cnRasterMinCellSizeF:
http://ngwww.ucar.edu/ngdoc/ng/ref/hlu/obj/ContourPlot.res.html#cnRasterMinCellSizeF
that by default limits the raster cell resolution to about 133 DPI for
a 7.5" image. To get 300 DPI you would need to reduce the min cell size
from the default of 0.001 to something like 0.000444:
min_cell_size = 1 / (viewspace_in_inches * desired_dots_per_inch)
And be prepared to wait a bit longer for your plots to complete.
-dave
On Mon, 20 Oct 2003, Adam Phillips wrote:
> NCL Developers:
>
> Looking at the AMS requirements for figures submitted electronically, I have a
> few questions about what the .eps files that NCL outputs.
>
> The AMS requirements are:
>
> 1) Figures must be in either .tiff or .eps format, with color images saved in
> CMYK mode. (RGB is acceptable, but there might be a compression of the color
> range.)
> 2) A resolution of 300dpi is asked for, but not necessarily required.
> 3) Do not use .eps compression when saving the .eps file.
>
> Sylvia has provided an example on her web page concerning saving in CMYK mode.
>
> My questions are:
> 1) I believe the default dpi of eps/ps files is 288dpi, is that correct? Is
> there anyway to change the resolution of outputted files in NCL (through
> workstation settings?)? I am guessing 288dpi will be fine, but I am curious
> about changing the resolution regardless...
>
> 2) Does NCL compress the .eps file when it creates it?
>
> Thanks,
> Adam
>
> -------------------------------------------------------------
> Adam Phillips email: asphilli@ucar.edu
> Climate and Global Dynamics Division tel: (303) 497-1726
> National Center for Atmospheric Research fax: (303) 497-1333
> P.O. Box 3000
> Boulder, CO 80307-3000 http://www.cgd.ucar.edu/~asphilli
>
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