Re: How to get jpeg output

[Ethan M. <merritt@u.washington.edu>]

On Wednesday 01 November 2006 12:05 pm, Nibbler wrote:
> Hi,
>
> I would like to have output file which is jpeg. Now im using png and
> it is working just fine.
> Is it possible to get jpeg output ?

Yes.

> I try like this:
>
> set terminal jpg small

But that command seems to indicate that you are using a very old
png driver, rather than the consolidated gif/png/jpeg driver 
based on libgd.

> my gnuplot version is 4.0

That's fine.  But the more important issue is what version of the
png/jpeg driver are you using.  Type  "show version long" at
the gnuplot prompt and look for the following flags:

+GD_PNG  +GD_JPEG  +GD_TTF

If you don't see them, you will need to install libgd and rebuild
gnuplot to use it.

Having said all that, please note the JPEG is not usually a
good format for gnuplot output.  PNG works much better.
But the libgd-based PNG/JPEG driver will give you much better
PNG output as well as the option to use JPEG.

-- 
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle WA