def test_constrainToRevolution(self): """test_revolvePositive doc...""" for i in range(100): value = random.uniform(-2000.0, 5000.0) a = Angle(degrees=value) a.constrainToRevolution() self.assertLessEqual(a.degrees, 360.0) self.assertGreaterEqual(a.degrees, 0.0)
def test_differenceBetween(self): """test_differenceBetween doc...""" for i in range(1000): value = random.uniform(-2000.0, 5000.0) a = Angle(degrees=value) a.constrainToRevolution() value = random.uniform(-2000.0, 5000.0) b = Angle(degrees=value) b.constrainToRevolution() self.assertLessEqual(abs(a.differenceBetween(b).degrees), 180.0)
def _analyzeTrackSeries(self, series, trackway, sitemap): if len(series.tracks) < 2: # At least two tracks are required to make the comparison return for track in series.tracks: fieldAngle = Angle( degrees=track.rotationMeasured \ if track.rotationMeasured \ else 0.0) dataAngle = Angle(degrees=track.rotation) strideLine = StrideLine(track=track, series=series) if track.hidden or strideLine.pairTrack.hidden: continue try: strideLine.vector.normalize() except ZeroDivisionError: pair = strideLine.pairTrack self.logger.write([ '[ERROR]: Stride line was a zero length vector', 'TRACK: %s (%s, %s) [%s]' % ( track.fingerprint, NumericUtils.roundToSigFigs(track.x, 3), NumericUtils.roundToSigFigs(track.z, 3), track.uid), 'PAIRING: %s (%s, %s) [%s]' % ( pair.fingerprint, NumericUtils.roundToSigFigs(pair.x, 3), NumericUtils.roundToSigFigs(pair.z, 3), pair.uid) ]) continue axisAngle = strideLine.angle if track.left: fieldAngle.radians += axisAngle.radians else: fieldAngle.radians = axisAngle.radians - fieldAngle.radians # Adjust field angle into range [-180, 180] fieldAngle.constrainToRevolution() if fieldAngle.degrees > 180.0: fieldAngle.degrees -= 360.0 fieldAngleUnc = Angle(degrees=5.0) fieldAngleUnc.radians += \ 0.03/math.sqrt(1.0 - math.pow(strideLine.vector.x, 2)) fieldDeg = NumericUtils.toValueUncertainty( value=fieldAngle.degrees, uncertainty=fieldAngleUnc.degrees) # Adjust data angle into range [-180, 180] dataAngle.constrainToRevolution() if dataAngle.degrees > 180.0: dataAngle.degrees -= 360.0 dataAngleUnc = Angle(degrees=track.rotationUncertainty) dataDeg = NumericUtils.toValueUncertainty( value=dataAngle.degrees, uncertainty=dataAngleUnc.degrees) angle1 = Angle(degrees=dataDeg.value) angle2 = Angle(degrees=fieldDeg.value) # fill color for the disks to be added to the map are based on # diffDeg diffDeg = NumericUtils.toValueUncertainty( value=angle1.differenceBetween(angle2).degrees, uncertainty=min(90.0, math.sqrt( math.pow(dataAngleUnc.degrees, 2) + math.pow(fieldAngleUnc.degrees, 2))) ) self._diffs.append(diffDeg.value) deviation = diffDeg.value/diffDeg.uncertainty self.deviations[track.uid] = diffDeg # for now, convert +/- 180 headings to 0-360, using e and m # comment the next four lines toggle comments for entered and # measured below to revert e = dataDeg.value m = fieldDeg.value if e < 0.0: e += 360.0 if m < 0.0: m += 360.0 data = dict( uid=track.uid, fingerprint=track.fingerprint, entered=str(e), measured=str(m), delta=abs(diffDeg.value), deviation=deviation, relative=NumericUtils.roundToOrder(track.rotationMeasured, -2), axis=NumericUtils.roundToOrder(axisAngle.degrees, -2), axisPairing='NEXT' if strideLine.isNext else 'PREV') self._csv.createRow(**data) data['track'] = track self._data.append(data) # draw the stride line pointer for reference in green self._currentDrawing.use( 'pointer', (track.x, track.z), scene=True, rotation=axisAngle.degrees, stroke_width=1, scale=0.5, stroke='green') # indicate in blue the map-derived estimate of track rotation self._currentDrawing.use( 'pointer', (track.x, track.z), scene=True, rotation=dataDeg.value, stroke_width=1, stroke='blue') # add the measured (spreadsheet) estimate of rotation self._currentDrawing.use( 'pointer', (track.x, track.z), scene=True, rotation=fieldDeg.value, stroke_width=1, stroke='red') # place a translucent disk of radius proportional to the difference # in degrees radius = 100.0*diffDeg.value/180.0 self._currentDrawing.circle( (track.x, track.z), radius, scene=True, fill='red', stroke_width=0.5, stroke='red', fill_opacity='0.5')