def _collectGaugeData(self, bundle, trackway, sitemap):
""" Collects the trackway gauge data by generating projections for each series and then
iterating over every track in the trackway and extracting the gauge information from
the CurveSeries projection data.
@param bundle: TrackSeriesBundle
@param trackway: Tracks_Trackway
@param sitemap: Tracks_Sitemap
@return: dict """
trackway.cache.set('data', {'points':[], 'gauges':self._GAUGE_DATA_NT([], [], [], [])})
for key, series in bundle.items():
series.cache.set('referenceWidth', series.averageTrackWidth)
if series.count < 2:
continue
curve = CurveSeries(stage=self, series=series)
try:
curve.compute()
except Exception as err:
self.logger.writeError([
'[ERROR]: Failed to compute track curve projection',
'TRACKWAY: %s' % trackway.name,
'SERIES: %s[%s]' % (series.fingerprint, series.count) ], err)
raise
curve.draw(sitemap.cache.get('drawing'), drawPairs=False)
series.cache.set('curve', curve)
super(SimpleGaugeStage, self)._analyzeTrackway(trackway=trackway, sitemap=sitemap)
for key, series in bundle.items():
series.cache.remove('referenceWidth')
return trackway.cache.extract('data')
def _analyzeTrackway(self, trackway, sitemap):
analysisTrackway = trackway.getAnalysisPair(self.analysisSession)
if not analysisTrackway or not analysisTrackway.curveSeries:
# Ignore trackways that are too short to have a curve series
return
# Fetch the curve series from the analysisTrackway.curveSeries value
curveSeries = None
bundle = self.owner.getSeriesBundle(trackway)
for value in bundle.asList():
if value.firstTrackUid == analysisTrackway.curveSeries:
curveSeries = value
break
if not curveSeries:
# Abort if no curve series was found. This should only occur if the there's a data
# corruption between the Tracks_Trackway table and the Analysis_Trackway.curveSeries
# value.
self.logger.write(
[
"[ERROR]: No curve series found",
"TRACKWAY[%s]: %s" % (trackway.index, trackway.name),
"CURVE_SERIES: %s" % analysisTrackway.curveSeries,
]
)
return
curve = CurveSeries(stage=self, series=curveSeries, saveToAnalysisTracks=True)
try:
curve.compute()
except ZeroDivisionError as err:
self.logger.writeError(
[
"[ERROR]: Failed to compute curve series",
"TRACKWAY: %s" % trackway.name,
"SITEMAP: %s" % sitemap.name,
],
err,
)
raise
self.data[trackway.uid] = curve
for error in curve.errors:
self.logger.write(error)
curve.draw(sitemap.cache.get("drawing"))
