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Catch OverflowError from Point.length()

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This commit is contained in:
Luke Campagnola 2013-11-25 01:16:21 -05:00
parent cff168b9f0
commit 4486272737
3 changed files with 24 additions and 6 deletions
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10
pyqtgraph/graphicsItems/PlotCurveItem.py
View File

@ -162,8 +162,14 @@ class PlotCurveItem(GraphicsObject):
if pxPad > 0:
# determine length of pixel in local x, y directions
px, py = self.pixelVectors()
px = 0 if px is None else px.length()
py = 0 if py is None else py.length()
try:
px = 0 if px is None else px.length()
except OverflowError:
px = 0
try:
py = 0 if py is None else py.length()
except OverflowError:
py = 0
# return bounds expanded by pixel size
px *= pxPad

10
pyqtgraph/graphicsItems/ROI.py
View File

@ -664,7 +664,10 @@ class ROI(GraphicsObject):
if not self.rotateAllowed:
return
## If the handle is directly over its center point, we can't compute an angle.
if lp1.length() == 0 or lp0.length() == 0:
try:
if lp1.length() == 0 or lp0.length() == 0:
return
except OverflowError:
return
## determine new rotation angle, constrained if necessary
@ -704,7 +707,10 @@ class ROI(GraphicsObject):
else:
scaleAxis = 0
if lp1.length() == 0 or lp0.length() == 0:
try:
if lp1.length() == 0 or lp0.length() == 0:
return
except OverflowError:
return
ang = newState['angle'] - lp0.angle(lp1)

10
pyqtgraph/graphicsItems/ScatterPlotItem.py
View File

@ -652,8 +652,14 @@ class ScatterPlotItem(GraphicsObject):
if pxPad > 0:
# determine length of pixel in local x, y directions
px, py = self.pixelVectors()
px = 0 if px is None else px.length()
py = 0 if py is None else py.length()
try:
px = 0 if px is None else px.length()
except OverflowError:
px = 0
try:
py = 0 if py is None else py.length()
except OverflowError:
py = 0
# return bounds expanded by pixel size
px *= pxPad