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Re: .png v. .jpg printing


From: Ben Abbott
Subject: Re: .png v. .jpg printing
Date: Thu, 15 Sep 2011 17:09:57 -0400

On Sep 15, 2011, at 4:54 PM, Philip Hahn wrote:

> On Thu, Sep 15, 2011 at 3:18 PM, Ben Abbott <address@hidden> wrote:
> 
> On Sep 15, 2011, at 4:05 PM, Philip Hahn wrote:
> 
>> Greetings,
>> 
>>  Both files were printed in sequence from the same plot image.
>> 
>>  the .jpg does not respect the specified font size (18 point) but gets the 
>> boxon option correct.
>>  the .png does not get the boxon option correct, but does get the 
>> appropriate font size (18 point).
>> 
>>  These were generated under Linux (latest version with Ubuntu 11.04) but I 
>> get similar plots under Windows.
>> 
>>  I'm trying to generate plots for a paper. I need the larger font point and 
>> I need the boxon property correct :) Any ideas?
>> 
>>  Thank you,
>> 
>> philip
> 
> Please provide us the actual version number for your Octave.
> 
> 
> Linux: 3.2.4
> Windows: (i think its 3.2.4... I'm at home its at work)
> 
> Script (garbage data)
> 
> % start
>     i=1;
>     hold on; 
>     A=[1:1.5:30];     
>     B=[1:2:10]; 
>     Cp=[1:2:20];
>     plot(A(:,1),A(:,2), 'bs', 'MarkerSize',10); 
>     plot(B(:,1),B(:,2), 'ks', 'MarkerSize',10); 
>     plot(xrval, Cp(:,i),'rd', 'MarkerSize',10);  
>     axis([0.,2.25]);  
>     if i <= 6 
>         set(gca,'XDir','reverse'); 
>         legend('Wyle Test','Wyle Test','Hybrid 
> RANS/LES','location','northwest'); 
>     else 
>         legend('Wyle Test','Wyle Test','Hybrid 
> RANS/LES','location','northwest'); 
>     end 
>     set(gca,'FontSize',18); 
>  
>     legend('boxon'); 
>     xlabel("x/D","fontsize", 18); 
>     ylabel("Cp","fontsize", 18); 
>     title('Wyle Data Comparison, Cp \Phi =',"fontsize", 18); 
>     print("-dpng","test.png"); 
>     print('-djpg','test.jpg'); 
>     clearplot
> % end 
> 
> thank you,
> 
> philip
> 
>  
> Also if you can provide a short m-file script.
> 
> I tried ...
> 
>       plot (rand (10), rand(10), "s")
>       xlabel xlabel
>       ylabel ylabel
>       title title
>       print test.png
>       print test.jpg
> 
> ... and obtained the attached results using the developers sources.
> 
> Ben
> 
> <test.jpg><test.png>

Ok. This problem has been fixed.

It will work correctly for version 3.4.x. The windows port is being worked on.

I don't know what version is available on Ubuntu, but I recommend you do a 
search using the Synaptic package manager.

Ben




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