diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-02-17 18:26:09 -0500 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-02-17 18:33:51 -0500 |
| commit | 4aaa4f0cb076e2ad78a28eaba101182cbd868ba2 (patch) | |
| tree | d2d421ca6ce91601cf2f10095ef629211d342b97 /gr-qtgui/lib/TimeDomainDisplayPlot.cc | |
| parent | 60f6b22a5f11d5c54771dc5a9b4567ba35852088 (diff) | |
qtgui: improved handling of GUI events and log-y scale.
Diffstat (limited to 'gr-qtgui/lib/TimeDomainDisplayPlot.cc')
| -rw-r--r-- | gr-qtgui/lib/TimeDomainDisplayPlot.cc | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gr-qtgui/lib/TimeDomainDisplayPlot.cc b/gr-qtgui/lib/TimeDomainDisplayPlot.cc index d319c58a27..032da2547d 100644 --- a/gr-qtgui/lib/TimeDomainDisplayPlot.cc +++ b/gr-qtgui/lib/TimeDomainDisplayPlot.cc @@ -279,8 +279,20 @@ TimeDomainDisplayPlot::_resetXAxisPoints() void TimeDomainDisplayPlot::_autoScale(double bottom, double top) { - // Auto scale the y-axis with a margin of 20% - setYaxis(bottom - fabs(bottom)*0.20, top + fabs(top)*0.20); + // Auto scale the y-axis with a margin of 20% (10 dB for log scale) + double _bot = bottom - fabs(bottom)*0.20; + double _top = top + fabs(top)*0.20; + if(d_semilogy) { + if(bottom > 0) { + setYaxis(_bot-10, _top+10); + } + else { + setYaxis(1e-3, _top+10); + } + } + else { + setYaxis(_bot, _top); + } } void |