ASCEE/pyqtgraph
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Found that downsample would set the image size to 0 causing errors.

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HashSplat 2017-08-08 15:35:54 -04:00
parent 70831245a8
commit e7ba0ca272
1 changed files with 5 additions and 2 deletions
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7
pyqtgraph/graphicsItems/ImageItem.py
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@ -368,6 +368,10 @@ class ImageItem(GraphicsObject):
image = fn.downsample(self.image, xds, axis=axes[0]) image = fn.downsample(self.image, xds, axis=axes[0])
image = fn.downsample(image, yds, axis=axes[1]) image = fn.downsample(image, yds, axis=axes[1])
self._lastDownsample = (xds, yds) self._lastDownsample = (xds, yds)
# Check if downsampling reduced the image size to zero due to inf values.
if image.size == 0:
return
else: else:
image = self.image image = self.image
@ -401,8 +405,7 @@ class ImageItem(GraphicsObject):
image = image.transpose((1, 0, 2)[:image.ndim]) image = image.transpose((1, 0, 2)[:image.ndim])
argb, alpha = fn.makeARGB(image, lut=lut, levels=levels) argb, alpha = fn.makeARGB(image, lut=lut, levels=levels)
if argb.size > 0: self.qimage = fn.makeQImage(argb, alpha, transpose=False)
self.qimage = fn.makeQImage(argb, alpha, transpose=False)
def paint(self, p, *args): def paint(self, p, *args):
profile = debug.Profiler() profile = debug.Profiler()