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Fixed python 3 plot downsampling

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This commit is contained in:
Luke Campagnola 2015-03-14 15:25:25 -04:00
parent 8e1c3856ea
commit fb41aa2d40
1 changed files with 2 additions and 2 deletions
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4
pyqtgraph/graphicsItems/PlotDataItem.py
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@ -569,11 +569,11 @@ class PlotDataItem(GraphicsObject):
x = x[::ds] x = x[::ds]
y = y[::ds] y = y[::ds]
elif self.opts['downsampleMethod'] == 'mean': elif self.opts['downsampleMethod'] == 'mean':
n = len(x) / ds n = len(x) // ds
x = x[:n*ds:ds] x = x[:n*ds:ds]
y = y[:n*ds].reshape(n,ds).mean(axis=1) y = y[:n*ds].reshape(n,ds).mean(axis=1)
elif self.opts['downsampleMethod'] == 'peak': elif self.opts['downsampleMethod'] == 'peak':
n = len(x) / ds n = len(x) // ds
x1 = np.empty((n,2)) x1 = np.empty((n,2))
x1[:] = x[:n*ds:ds,np.newaxis] x1[:] = x[:n*ds:ds,np.newaxis]
x = x1.reshape(n*2) x = x1.reshape(n*2)