Re: change position of x-axis

[Juan Pablo Carbajal]

On Tue, Oct 11, 2011 at 7:08 PM, Juan Pablo Carbajal
<address@hidden> wrote:
> On Tue, Oct 11, 2011 at 6:52 PM, Vlăduţ Frăţiman
> <address@hidden> wrote:
>> So need to modify source code and recompile? Seem to be an
>> uncomfortable solution!
>>
>> On Tue, Oct 11, 2011 at 7:26 PM, Juan Pablo Carbajal
>> <address@hidden> wrote:
>>>
>>> On Tue, Oct 11, 2011 at 6:21 PM, Juan Pablo Carbajal
>>> <address@hidden> wrote:
>>> > On Tue, Oct 11, 2011 at 5:56 PM, Juan Pablo Carbajal
>>> > <address@hidden> wrote:
>>> >> On Tue, Oct 11, 2011 at 4:42 PM, bpabbott <address@hidden> wrote:
>>> >>> On Oct 11, 2011, at 10:28 AM, Juan Pablo Carbajal <address@hidden>
>>> >>> wrote:
>>> >>>
>>> >>> On Tue, Oct 11, 2011 at 4:16 PM, Juan Pablo Carbajal <address@hidden>
>>> >>> wrote:
>>> >>>>
>>> >>>> On Tue, Oct 11, 2011 at 2:44 PM, Ben Abbott <address@hidden> wrote:
>>> >>>>>
>>> >>>>> On Oct 11, 2011, at 8:29 AM, Vlăduţ Frăţiman wrote:
>>> >>>>>
>>> >>>>> Thanks!
>>> >>>>>
>>> >>>>> I already try'it that but seem to be an bug. My plot show an 
>>> >>>>> intrerupted
>>> >>>>> line and old axis don't disspear.
>>> >>>>> I use octave 3.2.1 on Ubuntu 11.04. Plots are rendered with gnuplot.
>>> >>>>> I put an image as attachament to see what i mean.
>>> >>>>>
>>> >>>>> <graf.png>
>>> >>>>>
>>> >>>>> It works correctly for me. Perhaps we're doing something else 
>>> >>>>> differently
>>> >>>>> that it producing a different result?
>>> >>>>> The following works for me.
>>> >>>>> close all
>>> >>>>> clear all
>>> >>>>> x = 0:0.1:10;
>>> >>>>> y = sin(x)./(1+x) + x*01 - .4;
>>> >>>>> plot (x, y);
>>> >>>>> set (gca, "xaxislocation", "zero")
>>> >>>>> print test.png
>>> >>>>> preview test.png
>>> >>>>> Does this work for you?
>>> >>>>> Ben
>>> >>>>
>>> >>>> Ben,
>>> >>>> please add the line
>>> >>>>
>>> >>>> set (gca, "box", "off")
>>> >>>>
>>> >>>> to see the remainding of the axis. This problem is even in the plot
>>> >>>> "polar" when the box is switched off.
>>> >>>
>>> >>> Indeed,
>>> >>> I posted this issue it in the help mailing list a few days ago
>>> >>>
>>> >>> http://octave.1599824.n4.nabble.com/Axis-issue-td3887910.html
>>> >>>
>>> >>>
>>> >>> This may be a feature of gnuplot.
>>> >>> If you'd like to experiment with gnuplot to see if the horizontal line 
>>> >>> at
>>> >>> the bottom can be suppressed, you can save the gnuplot plotstream by ...
>>> >>> drawnow ("png", "debug.png", false, "debug.gp")
>>> >>> Then run gnuplot and type ...
>>> >>> load "debug.gp"
>>> >>> Each time you load "debug.gp" the file "debug.png" will be saved. You 
>>> >>> can
>>> >>> try modifying the gnuplot commands in gnuplot.gp to get the desired 
>>> >>> result.
>>> >>> If you're successful, I should be able to modify Octave's sources to fix
>>> >>> this.
>>> >>> Ben
>>> >>>
>>> >>>
>>> >>>
>>> >>
>>> >> Hi Ben,
>>> >>
>>> >> Thanks for that. I am doing what you suggested, but I get binary code
>>> >> or something like that in debug.gp. How do you edit this files?
>>> >>
>>> >> --
>>> >> M. Sc. Juan Pablo Carbajal
>>> >> -----
>>> >> PhD Student
>>> >> University of Zürich
>>> >> http://ailab.ifi.uzh.ch/carbajal/
>>> >>
>>> >
>>> > Ben,
>>> > Ok, I found the problem.
>>> > As I see it, when set(gca,'box','off') is executed, the stream to gnuplot 
>>> > adds
>>> >> unset y2tics; set ytics in nomirror
>>> >> unset x2tics; set xtics in nomirror
>>> >> set border 3;
>>> >
>>> > The last line is the problem. With this I see that box off in octave
>>> > means "axes in the left-botom margins".
>>> >
>>> > I see three possible solutions:
>>> > 1. Make set(gca,'box','off') deal with the current state of axis.
>>> > 2. Make set(gca,'box','off') be gnuplot's "unset border"
>>> > 3. Make set(gca,'yaxislocation','zero') be gnuplot's "set yzeroaxis;
>>> > set border 1; "
>>> >    Make set(gca,'xaxislocation','zero') be gnuplot's "set xzeroaxis;
>>> > set border 2; "
>>> >
>>> > Thanks
>>> >
>>> > --
>>> > M. Sc. Juan Pablo Carbajal
>>> > -----
>>> > PhD Student
>>> > University of Zürich
>>> > http://ailab.ifi.uzh.ch/carbajal/
>>> >
>>>
>>> I forgot to add that the last solution (number 3) is a solution when
>>> not both axis are placed to the origin. When both are placed to the
>>> origin the only solution is to make box off be "unset border" fro
>>> gnuplot.
>>>
>>> Thanks
>>>
>>>
>>> --
>>> M. Sc. Juan Pablo Carbajal
>>> -----
>>> PhD Student
>>> University of Zürich
>>> http://ailab.ifi.uzh.ch/carbajal/
>>
>>
>>
>> --
>> Cu stimă,
>> prof. Frăţiman Vlăduţ
>>
>
> Dear  Frăţiman Vlăduţ
>
> We are community made of volunteers. If you want a more ready to use
> solution you can always invest some money and get your problems
> resolved. Indeed, there are a couple of programmers for hire in the
> Octave project, or you can directly support the developers of Octave.
> The Octave community will really appreciate your contribution.
>
> Otherwise you will have to wait till we have time to fix the problem.
>
> btw, you can follow Ben's suggestion and add "unset border" at the end
> of the command list and get the png without the lines.
>
>
> --
> M. Sc. Juan Pablo Carbajal
> -----
> PhD Student
> University of Zürich
> http://ailab.ifi.uzh.ch/carbajal/
>

Dear  Frăţiman Vlăduţ
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-- 
M. Sc. Juan Pablo Carbajal
-----
PhD Student
University of Zürich
http://ailab.ifi.uzh.ch/carbajal/