Using flap.Intervals object in flap.plot slicing can fail if 'step' and 'number' is set.

[abencze]

import numpy as np
import flap
import matplotlib.pyplot as plt

t = flap.Coordinate(
name='Time',
mode=flap.CoordinateMode(equidistant=True),
unit = 'Second',# Here the unit is NOT a Unit class object.
shape=(1000),
start=0,
step=1,
dimension_list=[1]
)
ch = flap.Coordinate(
name='Channel number',
mode=flap.CoordinateMode(equidistant=True),
shape=(3),
start = 1,
step=1,
dimension_list=[0])
ch_name = flap.Coordinate(
name='Signal name',
mode=flap.CoordinateMode(equidistant=False),
shape=(3),
values = ['CH-1','CH-2','CH-3'],
dimension_list = [0]
)
dunit = flap.Unit(name='Amplitude',unit='V')

#create a random array as data
data = np.random.randn(3,1000)
#create a flap data object instace
d = flap.DataObject(data_array = data,
data_unit = dunit,# Here the unit IS a Unit class object.
coordinates = [t,ch,ch_name],
data_title = 'Random series',
exp_id = '17062019_01'
)

interv = flap.Intervals(0,100,step=100,number=1)
d.plot(axes='Time',slicing={'Signal name':'CH-1','Time':interv})