Skip to content

Uses appropriate numpy formats for stream values #38

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

Uses appropriate numpy formats for stream values #38

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 15 additions & 2 deletions Python/pyxdf/pyxdf.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -180,6 +180,19 @@ def __init__(self, xml):
self.srate = round(float(xml['info']['nominal_srate'][0]))
# format string (int8, int16, int32, float32, double64, string)
self.fmt = xml['info']['channel_format'][0]
self.numpy_fmt = None
if self.fmt == 'int8':
self.numpy_fmt = np.int8
elif self.fmt == 'int16':
self.numpy_fmt = np.int16
elif self.fmt == 'int32':
self.numpy_fmt = np.int32
elif self.fmt == 'int64':
self.numpy_fmt = np.int64
elif self.fmt == 'float32':
self.numpy_fmt = np.float32
elif self.fmt == 'double64':
self.numpy_fmt = np.float64
# list of time-stamp chunks (each an ndarray, in seconds)
self.time_stamps = []
# list of time-series chunks (each an ndarray or list of lists)
Expand Down Expand Up @@ -288,7 +301,7 @@ def __init__(self, xml):
values[k][ch] = raw.decode(errors='replace')
else:
# read a sample comprised of numeric values
values = np.zeros((nsamples, temp[StreamId].nchns))
values = np.zeros((nsamples, temp[StreamId].nchns), dtype=temp[StreamId].numpy_fmt)
# for each sample...
for k in range(nsamples):
# read or deduce time stamp
Expand Down Expand Up @@ -343,7 +356,7 @@ def __init__(self, xml):
if stream.fmt == 'string':
stream.time_series = []
else:
stream.time_series = np.zeros((stream.nchns, 0))
stream.time_series = np.zeros((stream.nchns, 0), dtype=stream.numpy_fmt)

# perform (fault-tolerant) clock synchronization if requested
if synchronize_clocks:
Expand Down