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Re: Trying to make a respectable looking Hist3 plot and having big diffi

From: Tim Pierce
Subject: Re: Trying to make a respectable looking Hist3 plot and having big difficulty
Date: Wed, 2 Aug 2017 22:28:38 +0100

Hi Nicholas  - Thanks Guys - consider closed please

That's great - I didn't think of the packages version (I'm very new to Otave) and when I check I had 1.2.3 like ?Doug?, he upgraded to 1.3.0 and his became like good like yors - so makes total sense it is that
I tried to upgrade to statistics-1.3.0  but then it told me it wanted dependency Octave 4.0.0 and the presentation I needed it for was 3pm so I couldn't risk a new version so close to deadline
But that explains everything so I'm very confident will fix mine too.

Guys - so I'm very new to Octave at all - these 3 different Graphics packages I didn't really grasp,  .... Do they all use different commands or is the interface completely standardised?
I know I've sometimes accidentally been reading GnuPlot documentation and found the commands dont quite work in Octave so I'm guessing Octave has a standard interface it converts into Gnu Plot or something
Is it easy to interact directly with GnuPlot ? I'm guessing it is probably more advanced than Octave for plotting, and that it's target is professonal science publications

Thanks very much.

On 2 August 2017 at 16:07, Nicholas Jankowski <address@hidden> wrote:
On Wed, Aug 2, 2017 at 9:04 AM, Tim Pierce <address@hidden> wrote:
Ah so you got same as me? Thats interesing.
I should add I'm using a Windows install - this may haev a lot to do with it...

I'm actually not intelligent enough (yet) to understand how to switch between graphics packages, or how to use them - I'm just using default Octave.

I'm using Octave 4.2.1 and statistics 1.3.0 as well. Similar to the above, output looks fine on all three graphics toolkits, gnuplot being a bit less 'clean' than the others, comparison image attached.

Octave (at least on windows) is built with 3 available graphics toolkits: qt (default), gnuplot, and fltk.  you check them and switch between them using the 'graphics_toolkit' command.  So, I produced the attached output with the following:

>>>> X = [
    1    1
    1    1
    1   10
    1   10
    5    5
    5    5
    5    5
    5    5
    5    5
    7    3
    7    3
    7    3
   10   10
   10   10];
>> gt = "qt";graphics_toolkit(gt); figure; hist3(X);title(gt);
>> gt = "fltk";graphics_toolkit(gt); figure; hist3(X);title(gt);
>> gt = "gnuplot";graphics_toolkit(gt); figure; hist3(X);title(gt);

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