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[Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multi
From: |
Robert Jenssen |
Subject: |
[Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript |
Date: |
Sun, 10 Mar 2019 04:14:00 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36 |
Follow-up Comment #11, bug #55859 (project octave):
Here is a patch that combines text shift in x and verticalalignment:
---
octave-signal-f050d888e7efe5327e5ed702aed77a8d24448616/inst/zplane.m
2019-03-07
15:02:59.000000000 +1100
+++ signal-tip/inst/zplane.m 2019-03-10 18:40:55.529778490 +1100
@@ -115,8 +115,10 @@
for i = 1:length (x_u)
n = sum (x_u(i) == x(:,c));
if (n > 1)
- label = sprintf (" ^%d", n);
- text (real (x_u(i)), imag (x_u(i)), label, "color", color);
+ label = sprintf ("%d", n);
+ xshift = 0.015 * diff (get (gca, "xlim"));
+ text (real (x_u(i)) + xshift, imag (x_u(i)), label, ...
+ "color", color, "verticalalignment", "bottom");
endif
endfor
endfor
Unfortunately, with this change the multiplicity annotation is not placed
consistently for different sized axes. For example, if two zeros are at -2.
The markersize property is 6 points. When I resize a figure window I see that
the screen size of the marker remains constant (as expected if there is no
callback that changes the markersize to match the new window size). To
correctly space the multiplicity annotation I'd have to be able to find the
difference between the axis x limits in points. I don't know how to do this in
the current Octave. For example:
octave:1> h=plot (1/2, 1/2, "linestyle", "none", "marker", "x");
octave:2> cu=get(gca(),"units")
cu = normalized
octave:3> get(gca(),"xlim")
ans =
0.44000 0.58000
octave:4> get(gca(),"position")
ans =
0.13000 0.11000 0.77500 0.81500
octave:5> set(gca(),"units","points")
octave:6> get(gca(),"xlim")
ans =
0.44000 0.58000
octave:7> get(gca(),"position")
ans =
54.576 34.635 325.358 256.613
When I change the units the "xlim" doesn't change. When I resize the figure
window, the "position" doesn't change. This seems to me to be a bug.
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- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m latex markup needs $ delimiters, (continued)
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m latex markup needs $ delimiters, Mike Miller, 2019/03/07
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m latex markup needs $ delimiters, Robert Jenssen, 2019/03/07
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Mike Miller, 2019/03/08
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Mike Miller, 2019/03/08
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Robert Jenssen, 2019/03/08
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Mike Miller, 2019/03/08
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Robert Jenssen, 2019/03/08
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Robert Jenssen, 2019/03/08
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Robert Jenssen, 2019/03/08
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Mike Miller, 2019/03/09
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript,
Robert Jenssen <=
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Robert Jenssen, 2019/03/10
- [Octave-bug-tracker] [bug #55859] [octave forge] (signal) zplane.m multiplicity annotations should not use superscript, Robert Jenssen, 2019/03/11