dtwPlotTwoWay function leads to a crash

[XueYanYu]

• Python port of R's Comprehensive Dynamic Time Warp algorithm package version: v1.2.0
• Python version: 3.9
• Operating System: Win10

Description

Using the dtwPlotTwoWay functions leads to a crash.

Changing both numpy.nan to 0 in line 166 and 167 in dtwPlot.py seems to solve the crash.

What I Did

#Using the dtwPlotTwoWay functions in a py file.
import numpy as np
from dtw import *

seq1 = range(5, 9)
seq2 = range(1, 9)

alignment_1_2 = dtw(seq1, seq2, keep_internals=True, step_pattern = asymmetric, open_end=True, open_begin=True)
alignment_2_1 = dtw(seq2, seq1, keep_internals=True, step_pattern = asymmetric, open_end=True, open_begin=True)

dtwPlotTwoWay(alignment_1_2, xts=seq1, yts=seq2, offset=1, ts_type='l', match_indices=None, match_col='gray', xlab='Index', ylab='Query value')


Traceback (most recent call last):
  File "C:\Users\name\Desktop\P2\DTWtest.py", line 10, in <module>
    dtw(seq1, seq2, keep_internals=True).plot(type="twoway", offset=1)
  File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\dtw\dtw.py", line 124, in plot
    return dtwPlot(self, type, **kwargs)
  File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\dtw\dtwPlot.py", line 70, in dtwPlot
    return dtwPlotTwoWay(x, **kwargs)
  File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\dtw\dtwPlot.py", line 166, in dtwPlotTwoWay
    xts = numpy.pad(xts,(0,maxlen-len(xts)),"constant",constant_values=numpy.nan)
  File "<__array_function__ internals>", line 5, in pad
  File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\numpy\lib\arraypad.py", line 803, in pad
    _set_pad_area(roi, axis, width_pair, value_pair)
  File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\numpy\lib\arraypad.py", line 147, in _set_pad_area
    padded[left_slice] = value_pair[0]
ValueError: cannot convert float NaN to integer

[tonigi]

Please provide the inputs. Il gio 1 set 2022, 10:31 XueYanYu ***@***.***> ha scritto:

…

- Python port of R's Comprehensive Dynamic Time Warp algorithm package version: v1.2.0 - Python version: 3.9 - Operating System: Win10 Description Using the dtwPlotTwoWay functions leads to a crash. Changing both numpy.nan to 0 in line 166 and 167 in dtwPlot.py seems to solve the crash. What I Did Using the dtwPlotTwoWay functions. Traceback (most recent call last): File "C:\Users\name\Desktop\P2\DTWtest.py", line 10, in <module> dtw(seq1, seq2, keep_internals=True).plot(type="twoway", offset=1) File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\dtw\dtw.py", line 124, in plot return dtwPlot(self, type, **kwargs) File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\dtw\dtwPlot.py", line 70, in dtwPlot return dtwPlotTwoWay(x, **kwargs) File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\dtw\dtwPlot.py", line 166, in dtwPlotTwoWay xts = numpy.pad(xts,(0,maxlen-len(xts)),"constant",constant_values=numpy.nan) File "<__array_function__ internals>", line 5, in pad File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\numpy\lib\arraypad.py", line 803, in pad _set_pad_area(roi, axis, width_pair, value_pair) File "C:\Users\name\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\numpy\lib\arraypad.py", line 147, in _set_pad_area padded[left_slice] = value_pair[0] ValueError: cannot convert float NaN to integer — Reply to this email directly, view it on GitHub <#33>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAU74C3QZ6DBDSL2SSNETOLV4BSU3ANCNFSM6AAAAAAQCDUNWA> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>

[XueYanYu]

I have updated the inputs before the traceback.

[tonigi]

Should be fixed in the next release. Thanks