def test_hull(self):
inter1 = Interval(0, 10)
inter2 = Interval(15, 20)
inter = inter1.hull(inter2)
assert inter.start == 0
assert inter.end == 20
inter = inter2.hull(inter1)
assert inter.start == 0
assert inter.end == 20
#Temporal margin for measurement discrepancies (1 mm in standard scale) TMARGIN = int(math.ceil(m2s(40))) ############################################ ### Beat Annotations related constraints ### ############################################ RDEFLECTION_MIN_DIST = m2s(80) #Minimum distance for different annotations ####################################### ### QRS-complex related constraints ### ####################################### NQRS_DUR = Iv(m2s(15), m2s(200)) #Normal QRS complex duration VQRS_DUR = Iv(m2s(120), m2s(400)) #Ventricular QRS complex duration QRS_DUR = NQRS_DUR.hull(VQRS_DUR) #QRS complex duration SPIKE_DUR = int(round(m2s(30))) #Maximum duration of a pace spike. SPIKE_EDGE_AMP = p2d(0.2) #Minimum amplitude of each edge of a pace spike. SPIKE_ECGE_DIFF = p2d(0.1) #Maximum amplitude differences for spike edges. #Minimum distances between the begin of the complex and the peak, and between #the peak and the end QRS_START_PK = m2s(5) QRS_PK_END = m2s(40) #Distances between R-Deflections and the starting of the complex. QRS_RDEF_DMAX = m2s(80) #Maximum difference in the amplitude to consider a signal fragment as a missed #QRS (compared with an actual detected QRS) MISSED_QRS_MAX_DIFF = 0.5 ################################ ### P Wave related constants ###