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Check that textRects is not empty, otherwise np.max raises ValueError.

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Mikhail Terekhov 2014-01-31 22:10:17 -05:00
parent 355b38dcc1
commit 13aa00d915
1 changed files with 2 additions and 2 deletions
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4
pyqtgraph/graphicsItems/AxisItem.py
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@ -810,10 +810,10 @@ class AxisItem(GraphicsWidget):
## measure all text, make sure there's enough room
if axis == 0:
textSize = np.sum([r.height() for r in textRects])
textSize2 = np.max([r.width() for r in textRects])
textSize2 = np.max([r.width() for r in textRects]) if textRects else 0
else:
textSize = np.sum([r.width() for r in textRects])
textSize2 = np.max([r.height() for r in textRects])
textSize2 = np.max([r.height() for r in textRects]) if textRects else 0
## If the strings are too crowded, stop drawing text now.
## We use three different crowding limits based on the number