Re: Request for a test in Matlab

[Richard Crozier]

On 25/10/17 09:29, Pantxo Diribarne wrote:
> 2017-10-24 23:51 GMT+02:00 Richard Crozier <address@hidden 
> <mailto:address@hidden>>:
>
>     On 24/10/17 22:44, Pantxo Diribarne wrote:
>
>         Hi,
>
>         Could someone test the following code in ML. We would like to
>         see how the text background area behaves when it crosses the
>         axes back planes with or without clipping enabled (see
>         https://savannah.gnu.org/bugs/?39692
>         <https://savannah.gnu.org/bugs/?39692>).
>
>         ---
>
>         clf
>         set (gca, 'color', 'b');
>         ht = text (.5, .5, 'toto', 'backgroundcolor', 'r', 'margin', 20);
>         xlim ([0 3])
>         ylim ([0 3])
>         surface ();
>         view (90, 35);
>         drawnow
>         c = getframe (gcf);
>         imwrite (c.cdata, 'view_90_35.png');
>         view (0, 26.8)
>         drawnow
>         c = getframe (gcf);
>         imwrite (c.cdata, 'view_0_26.8.png');
>         set (ht, 'clipping', 'on')
>         drawnow
>         c = getframe (gcf);
>         imwrite (c.cdata, 'view_0_26.8_clipping.png');
>
>         ---
>
>         The script should generate 3 png files with figure captures.
>
>         Pantxo
>
>
>     MATLAB Version: 9.1.0.441655 (R2016b)
>     Operating System: Linux 4.4.0-83-generic #106~14.04.1-Ubuntu SMP Mon
>     Jun 26 18:10:19 UTC 2017 x86_64
>     Java Version: Java 1.7.0_60-b19 with Oracle Corporation Java
>     HotSpot(TM) 64-Bit Server VM mixed mode
>
>
>     Richard
>
>     -- 
>     The University of Edinburgh is a charitable body, registered in
>     Scotland, with registration number SC005336.
>
>
> Thanks Richard. So it looks like  Matlab disables depth testing for text 
> objects or at least for the background area.
> In order to confirm this, could you please run the following and post 
> the png here:
>
> ----
> clf
> peaks ();
> for p = -3:3
>    text (p, p, p, 'toto', 'backgroundcolor', 'r', 'margin', 20);
> end
> drawnow ()
> c = getframe (gcf);
> imwrite (c.cdata, 'peaks_and_text.png');
> ----
>
> Thanks in advance.
>
> Pantxo

here you go

Richard

--
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.

peaks_and_text.png
Description: PNG image