Re: How to get jpeg output

[Aniska <m8...@ho...>]

Hello.

I just check my drivers and i have also old version:
-READLINE  +LIBREADLINE  +HISTORY  -LIBGD  +PNG

Can you tell me Where I find that libgd and what i must do so
that works ?

Best regards,

Anthony

Ethan Merritt wrote:
> 
> 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
> 
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