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Re: lines thickness in PostScript file



Emilie Vanvyve wrote:

> I have two questions about the quality of Ferret graphical output saved 
> into a .ps file. 
> 
> - Is there any way to increase the thickness of letters & box lines in 
> Ferret? 

Yes.

! for box lines and fonts
ppl pen 0,7             ! or ppl pen 0,13 for even thicker lines

! for plots
contour /thickness=3 /color=black ...
plot /thickness=3 /color=black ...

! for specific contours:
contour /levels="(-0.5,6,0.5)PEN(3,5,0.5,7)" ...
                                         ^ use pen 7 (or 13)

> - And is there any way to make the background transparent (or really 
> white)? 

Since you say that your eps files are produced correctly, I think the
problem may be in the conversion program. I've never had problems with
the background of ferret's eps files. Of course, Microsoft won't
accept the one universal file type used on unix/mac.

I suggest using the "convert" tool from the "ImageMagick" collection
of programs. I use it both for cropping ferret postscript files and
converting them to eps (although this may not work well with the
latest versions) and to convert to other file formats.

convert ferret_output.ps ferret_output.eps
convert ferret_output.eps ferret_output.png
convert ferret_output.eps ferret_output.gif

If I inspect the resulting png and gif images, they look fine in my
image viewer (xv).

Hope this helps,
     Hein Zelle

>-----------------------------------------------------------------<
    Hein Zelle
    Dept. of Oceographic Research
    KNMI, The Netherlands
    work:        zelle@knmi.nl     http://www.knmi.nl/~zelle
    private:     hein@icce.rug.nl  http://www.icce.rug.nl/~hein
    Phone:       +31 (0)30 2206704
>-----------------------------------------------------------------<
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