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Merge branch 'develop' into feature/obspy_dmt_interface

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Marcel Paffrath 2018-04-05 16:03:26 +02:00
commit 10c26a8261
1 changed files with 30 additions and 0 deletions
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PyLoT.py
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@ -1665,6 +1665,35 @@ class MainWindow(QMainWindow):
metadata=self.metadata,
obspy_dmt=obspy_dmt)
def check_plot_quantity(self):
settings = QSettings()
nth_sample = settings.value("nth_sample") if settings.value("nth_sample") else 1
npts_max = 1e6
npts = self.get_npts_to_plot()
npts2plot = npts/nth_sample
if npts2plot < npts_max:
return
nth_sample_new = int(np.ceil(npts/npts_max))
message = "You are about to plot a huge dataset with {npts} datapoints. With a current setting of " \
"nth_sample = {nth_sample} a total of {npts2plot} points will be plotted which is more " \
"than the maximum setting of {npts_max}. " \
"PyLoT recommends to raise nth_sample from {nth_sample} to {nth_sample_new}. Continue?"
ans = QMessageBox.question(self, self.tr("Optimize plot performance..."),
self.tr(message.format(npts=npts,
nth_sample=nth_sample,
npts_max=npts_max,
nth_sample_new=nth_sample_new,
npts2plot=npts2plot)),
QMessageBox.Yes | QMessageBox.No,
QMessageBox.Yes)
if ans == QMessageBox.Yes:
settings.setValue("nth_sample", nth_sample_new)
settings.sync()
def get_npts_to_plot(self):
return sum(trace.stats.npts for trace in self.data.getWFData())
def connectWFplotEvents(self):
'''
Connect signals refering to WF-Dataplot (select station, tutor_user, scrolling)
@ -1831,6 +1860,7 @@ class MainWindow(QMainWindow):
'''
Open a modal thread to plot current waveform data.
'''
self.check_plot_quantity()
self.clearWaveformDataPlot()
self.wfp_thread = Thread(self, self.plotWaveformData,
arg=filter,