Hi Klaus,

Thank you very much for your instant reply. You were exactly right and i had 
inadvertently used the pp4slide.sty file in my presentation and there the 
text color was by default white. Now everything works fine. I still have a 
doubt and i hope i dont sound stupid :-). As of now i'd been believing that 
the images that we insert into a LaTeX  file are only structurally affetcted 
(meaning scaling, rotation etc) and not affected internally (meaning color 
changes, font size etc) by the pdf generator. I was surprised to see that the 
pdf generator could change the color of a text (i,e the axes, headings, 
xlabel,ylabel of a graph)inside the pdf image (according to the "text color" 
defined in the LaTeX file). To add to my surprise, i had a legend box inside 
the pdf image which also contained some text, but the color of these texts 
weren't altered by the pdf generator. I hope i'm clear with my question. I 
look forward to hearing from you.

Have a nice day.

Sincerely
Sudarsan N.S Acharya  

On Wednesday 25 February 2004 08:00, Klaus Guntermann wrote:
> Sudarsan N.S Acharya writes:
>  > I used gnuplot (version 3.7 patchlevel 2) to generate eps figures and
>  > converted them to pdf using epstopdf (version 2.7), under debian (Linux
>  > version 2.4.22) . Basically my figures are 2-D graphs with the usual X
>  > and Y axes. When i use such a figure in a pdf presentation created by
>  > ppower4, the X and Y axes colours turns into white (from the usual black
>  > as generated by gnuplot). Surprisingly the colour of the actual graph
>  > that is plotted remains undisturbed. I created another copy of the same
>  > presentation without using the ppower4 package and everything works
>  > fine.
>
> This sounds strange, but may be due to the fact that you may have used
> the setup which uses white letters on colored background - which is
> not really a feature of PPower4, but a setup in some demo documents.
> This color setup may be active when you include the pdf figure and
> because pdf often does not specify a default color of its own in the
> beginning, because the default should be reasonable, the current color
> will survive until the next color change. Just select the proper color
> you want for your axes before including the figure and everything
> should be fine.
> If you change the current color in the other copy and then create a
> pdf from it the effect should be similar.
>
> Enjoy
>       Klaus

-- 
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Sudarsan N.S Acharya
MSc. Computational Engineering                      
University of Erlangen-Nuernberg, Germany                   
E-Mail:[EMAIL PROTECTED]   
Web   :http://wwwcip.informatik.uni-erlangen.de/~sisuacha
*********************************************************************

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