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ENH: Cast arrays for numpy compatibility.

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The casting rules in newer versions of numpy are stricter, so ensure that we have a compatible data type.
This commit is contained in:
Tony S Yu
2012-12-29 18:21:49 -05:00
parent 883885e254
commit f517eaa0e7
1 changed files with 3 additions and 3 deletions
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skimage/viewer/viewers/core.py
+3 -3
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@@ -124,16 +124,16 @@ class ImageViewer(QMainWindow):
io.imsave(self.image, filename)
else:
im1 = self.ax.images[1]
overlay = im1.cmap(im1.get_array())
overlay = im1.cmap(img_as_float(im1.get_array()))
overlay = img_as_float(overlay)
im0 = self.ax.images[0]
underlay = im0.cmap(im0.get_array())
underlay = im0.cmap(img_as_float(im0.get_array()))
underlay = img_as_float(underlay)
alpha = overlay[:, :, 3]
alpha = np.dstack((alpha, alpha, alpha))
alpha /= alpha.max()
composite = (overlay[:, :, :3] * alpha +
underlay[:, :, :3] * (1 - alpha))
underlay[:, :, :3] * (1 - alpha))
io.imsave(filename, composite)
def closeEvent(self, event):