def applyExpression(self, expr=None, normalized=None):
if expr is not None:
self._savedExpression = expr
else:
d = quickdialog.QuickDialog(self, "Enter Expression")
d.expression = quickdialog.OptionalStringInput(
d, "Execute 'lambda x: ")
d.expression.setText(self._savedExpression)
d.expression.setFocus()
d.addSpacing(10)
d.norm = quickdialog.CheckBox(
d, "Normalize intensity to range 0...255")
d.norm.setChecked(self._normalized)
if d.exec_() == 0:
return
self._savedExpression = d.expression.text()
self._normalized = True if d.norm.selection() else False
if normalized is not None:
self._normalized = normalized
try:
image, normalized = self.getDisplayedImage()
except Exception as e:
qt.QMessageBox.critical(self, "Error Applying Expression", str(e))
return
OverlayViewer.setImage(self, image.qimage(normalized))
def applyExpression(self, expr=None, normalized=None):
if expr is not None:
self._savedExpression = expr
else:
d = quickdialog.QuickDialog(self, "Enter Expression")
d.expression = quickdialog.OptionalStringInput(d, "Execute 'lambda x: ")
d.expression.setText(self._savedExpression)
d.expression.setFocus()
d.addSpacing(10)
d.norm = quickdialog.CheckBox(d, "Normalize intensity to range 0...255")
d.norm.setChecked(self._normalized)
if d.exec_() == 0:
return
self._savedExpression = d.expression.text()
self._normalized = True if d.norm.selection() else False
if normalized is not None:
self._normalized = normalized
try:
image, normalized = self.getDisplayedImage()
except Exception as e:
qt.QMessageBox.critical(self, "Error Applying Expression", str(e))
return
OverlayViewer.setImage(self, image.qimage(normalized))
def setImage(self, image, normalize=True):
if not hasattr(image, "qimage"):
image = image.view(vigra.Image)
self.image = image
self._normalized = normalize
OverlayViewer.setImage(self, image.qimage(normalize))
def setImage(self, image, normalize=True):
if not hasattr(image, "qimage"):
image = image.view(vigra.Image)
self.image = image
self._normalized = normalize
OverlayViewer.setImage(self, image.qimage(normalize))
d.norm.setChecked(self._normalized)
if d.exec_() == 0:
return
self._savedExpression = d.expression.text()
self._normalized = True if d.norm.selection() else False
if normalized is not None:
self._normalized = normalized
try:
image, normalized = self.getDisplayedImage()
except Exception, e:
qt.QMessageBox.critical(self, "Error Applying Expression", str(e))
return
OverlayViewer.setImage(self, image.qimage(normalized))
def getDisplayedImage(self):
"""Returns the displayed image and the normalize flag
(BYTE or NBYTE) as tuple/pair.
Note that the returned image is the original image if no
expression is applied, i.e. you should not change the returned
object. If active, the expression is applied via
eval() on every call of getDisplayedImage()."""
if not self._savedExpression or self._savedExpression == "x":
self._savedExpression = "x"
image = self.image
else:
for f in vigra.ufunc.__all__:
d.norm.setChecked(self._normalized)
if d.exec_() == 0:
return
self._savedExpression = d.expression.text()
self._normalized = True if d.norm.selection() else False
if normalized is not None:
self._normalized = normalized
try:
image, normalized = self.getDisplayedImage()
except Exception, e:
qt.QMessageBox.critical(self, "Error Applying Expression", str(e))
return
OverlayViewer.setImage(self, image.qimage(normalized))
def getDisplayedImage(self):
"""Returns the displayed image and the normalize flag
(BYTE or NBYTE) as tuple/pair.
Note that the returned image is the original image if no
expression is applied, i.e. you should not change the returned
object. If active, the expression is applied via
eval() on every call of getDisplayedImage()."""
if not self._savedExpression or self._savedExpression == "x":
self._savedExpression = "x"
image = self.image
else:
for f in vigra.ufunc.__all__:
