-------- Weitergeleitete Nachricht -------- > Von: Simon Schwarz <simon.schw...@fobg.de> > An: Daniel J Sebald <daniel.seb...@ieee.org> > Kopie: Octave Dev list <octave-dev@lists.sourceforge.net> > Betreff: Re: [OctDev] Default Plot Characteristics, was Re: zplane.m > marker size > Datum: Sun, 13 Dec 2009 13:06:59 +0100 > > Hi Daniel and list, > > sorry that it took me so long. > > Here is a screenshot of the still to small markers (it was worse with > the original octave version from ubuntu): > http://www.fobg.de/wordpress/wp-content/uploads/2009/12/problem_example.png > > This is a screenshot of the changed version, marker size is 6 here: > http://www.fobg.de/wordpress/wp-content/uploads/2009/12/demo_size6.png > > (I didn't do any change to the graphic driver - therefore it should be > gnuplot) > > Attached is the diff file for my changes. > > Maybe someone could test it with some other config (Windows?)? Just use > the "demo zplane" to have an example. > > If there are no objections I would check the changes in? (my sourceforge > username is: simonthe) > > Simon > > Am Samstag, den 21.11.2009, 18:28 -0600 schrieb Daniel J Sebald: > > Simon, > > > > To give closure to this thread. The best approach is probably first get > > the latest version of Octave and then modify the graphics settings so that > > the defaults look a good size. (Are you working with the gnuplot driver? > > Some other graphics driver?) > > > > Dan > > > > > > Daniel J Sebald wrote: > > > Shai Ayal wrote: > > > > > >>On Tue, Nov 17, 2009 at 6:14 AM, Daniel J Sebald <daniel.seb...@ieee.org> > > >>wrote: > > >> > > >> > > >>>Simon Schwarz wrote: > > >>> > > >>> > > >>>>In the version of zplane.m the marker size was set explicitly to 2 I > > >>>>just changed this value to 12 and added a parameter for it. > > >>>> > > >>>>I just tried to remove the markersize code - it works also. The markers > > >>>>are tiny but bigger than before. > > >>> > > >>>That's odd. Perhaps a marker size of 2 is some legacy code not updated > > >>>to > > >>>fit the new Octave graphics scheme. I just tried > > >>>id = plot(1:10, 'ro') > > >>>get(id) > > >>> > > >>>and found a marker size of 6. I can't find exactly where the default > > >>>properties are set searching through the Octave source. > > >> > > >> > > >>the defaults for properties are set in src/graphics.h.in. search for > > >>markersize inside this file and you'll find it. > > > > > > > > > Oh, OK thanks. I was searching through *.h files. > > > > > > > > > > > >>>Anyone on the maintainers list familiar with graphics, should scripts be > > >>>setting any absolute sizes anymore? Or just relative (e.g., divide by 2, > > >>>multiply by 3)? > > >> > > >>I'm not sure where the default came from, > > > > > > > > > Well, I would think that a markersize default of one makes sense, if it > > > doesn't reflect an absolute measurement system... > > > > > > > > > > > >>and also I'm not sure that > > >>marker size is consistent across backends. for the open-gl based > > >>backends (currently fltk) markersize is in points (i.e. 1/72 inch), > > >>assuming 72dpi for the screen. > > > > > > > > > That is likely where the 6 comes from, i.e., 6/72 in (1/12 in) seems a > > > good default. > > > > > > > > > > > >>There still remains some work to be done ... > > > > > > > > > OK. > > > > > > > > > > > >>>Perhaps. However, if a plot is the main result of the zplane() command, > > >>>the > > >>>output of the plot command could be returned as the output of zplane(). > > >>>Then one would have access to all the plot properties, not just marker > > >>>size. One could use gcf() just as easily too. > > >>> > > >>>zplane(); > > >>>id = gcf(); > > >>>set(id, 'markersize', 1234) > > >> > > >>This would not work -- markersize is a property of the line object, > > >>not the figure object, so you would have to get the handle of the line > > >>object into id > > > > > > > > > Good point. It would be a little more involved than that. > > > > > > Thanks Shai, > > > > > > Dan > > > > > > ------------------------------------------------------------------------------ > > > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 > > > 30-Day > > > trial. Simplify your report design, integration and deployment - and > > > focus on > > > what you do best, core application coding. Discover what's new with > > > Crystal Reports now. http://p.sf.net/sfu/bobj-july > > > _______________________________________________ > > > Octave-dev mailing list > > > Octave-dev@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/octave-dev > > > > > > > >
--- /home/simon/projects/octave/trunk/octave-forge/main/signal/inst/zplane.m 2009-12-13 12:39:47.000000000 +0100
+++ ./zplane.m 2009-12-13 12:41:02.000000000 +0100
@@ -51,6 +51,9 @@
## * use different colours for plotting each column (matrix zeros/poles)
## * set automatic_replot to 0 for duration of demo
+## 2009-12-13 Simon Schwarz
+## * change standard marker size to 6
+
## TODO: Consider a plot-like interface:
## TODO: zplane(x1,y1,fmt1,x2,y2,fmt2,...)
## TODO: with y_i or fmt_i optional as usual. This would allow
@@ -102,11 +105,11 @@
axis(1.05*[xmin, xmax, ymin, ymax]);
if (!isempty(p))
h = plot(real(p), imag(p), "bx");
- set (h, 'MarkerSize', 2);
+ set (h, 'MarkerSize', 6);
endif
if (!isempty(z))
h = plot(real(z), imag(z), "bo");
- set (h, 'MarkerSize', 2);
+ set (h, 'MarkerSize', 6);
endif
hold off;
endfunction
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