def addPolyLineROI(self,handlePositions):
''' Add Polygon ROI - Used for copy and load operations '''
roi = PolyLineROIcustom(handlePositions=handlePositions,removable=True)
roi.setName('ROI-%i'% self.getROIid())
self.addItem(roi) # Add roi to viewbox
self.rois.append(roi) # Add to list of rois
self.selectROI(roi)
self.sortROIs()
self.setCurrentROIindex(roi)
roi.translatable = True
for seg in roi.segments:
seg.setSelectable(True)
for h in roi.handles:
h['item'].setSelectable(True)
# Setup signals
roi.sigRemoveRequested.connect(self.removeROI)
roi.sigCopyRequested.connect(self.copyROI)
roi.sigSaveRequested.connect(self.saveROI)
def addPolyLineROI(self, handlePositions):
roi = PolyLineROIcustom(handlePositions=handlePositions,
removable=True)
roi.setName('ROI-%i' % self.getROIid())
self.addItem(roi) # Add roi to viewbox
self.rois.append(roi) # Add to list of rois
self.selectROI(roi)
self.sortROIs()
self.setCurrentROIindex(roi)
roi.translatable = True
#roi.setAcceptedMouseButtons(QtCore.Qt.LeftButton or QtCore.Qt.RightButton)
roi.setActive(True)
for seg in roi.segments:
seg.setSelectable(True)
for h in roi.handles:
h['item'].setSelectable(True)
# Setup signals
roi.sigClicked.connect(self.selectROI)
roi.sigRegionChanged.connect(self.roiChanged)
roi.sigRemoveRequested.connect(self.removeROI)
roi.sigCopyRequested.connect(self.copyROI)
roi.sigSaveRequested.connect(self.saveROI)
def addPolyLineROI(self,handlePositions):
roi = PolyLineROIcustom(handlePositions=handlePositions,removable=True)
roi.setName('ROI-%i'% self.getROIid())
self.addItem(roi) # Add roi to viewbox
self.rois.append(roi) # Add to list of rois
self.selectROI(roi)
self.sortROIs()
self.setCurrentROIindex(roi)
roi.translatable = True
#roi.setAcceptedMouseButtons(QtCore.Qt.LeftButton or QtCore.Qt.RightButton)
roi.setActive(True)
for seg in roi.segments:
seg.setSelectable(True)
for h in roi.handles:
h['item'].setSelectable(True)
# Setup signals
roi.sigClicked.connect(self.selectROI)
roi.sigRegionChanged.connect(self.roiChanged)
roi.sigRemoveRequested.connect(self.removeROI)
roi.sigCopyRequested.connect(self.copyROI)
roi.sigSaveRequested.connect(self.saveROI)
def drawPolygonRoi(self, ev):
"Function to draw a polygon ROI"
roi = self.drawingROI
pos = self.mapSceneToView(ev.scenePos())
if ev.button() == QtCore.Qt.LeftButton:
if roi is None:
roi = PolyLineROIcustom(removable=False)
roi.setName(
'ROI-%i' %
self.getROIid()) # Do this before self.selectROIs(roi)
self.drawingROI = roi
self.addItem(roi) # Add roi to viewbox
self.rois.append(roi) # Add to list of rois
self.selectROI(roi)
self.sortROIs()
self.setCurrentROIindex(roi)
roi.translatable = False
roi.addFreeHandle(pos)
roi.addFreeHandle(pos)
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.connect(h.movePoint)
else:
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.disconnect()
roi.addFreeHandle(pos)
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.connect(h.movePoint)
# Add a segment between the handles
roi.addSegment(roi.handles[-2]['item'], roi.handles[-1]['item'])
# Set segment and handles to non-selectable
seg = roi.segments[-1]
seg.setSelectable(False)
for h in seg.handles:
h['item'].setSelectable(False)
elif (ev.button() == QtCore.Qt.MiddleButton) or \
(ev.button() == QtCore.Qt.RightButton and (roi==None or len(roi.segments)<3)):
if roi != None:
# Remove handle and disconnect from scene
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.disconnect()
roi.removeHandle(h)
# Removed roi from viewbox
self.removeItem(roi)
self.rois.pop(self.currentROIindex)
self.setCurrentROIindex(None)
# Exit ROI drawing mode
self.endPolyRoiRequest()
elif ev.button() == QtCore.Qt.RightButton:
# Remove last handle
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.disconnect()
roi.removeHandle(h)
# Add segment to close ROI
roi.addSegment(roi.handles[-1]['item'], roi.handles[0]['item'])
# Setup signals
roi.sigClicked.connect(self.selectROI)
roi.sigRegionChanged.connect(self.roiChanged)
roi.sigRemoveRequested.connect(self.removeROI)
roi.sigCopyRequested.connect(self.copyROI)
roi.sigSaveRequested.connect(self.saveROI)
# Re-activate mouse clicks for all roi, segments and handles
roi.removable = True
roi.translatable = True
for seg in roi.segments:
seg.setSelectable(True)
for h in roi.handles:
h['item'].setSelectable(True)
# Exit ROI drawing mode
self.endPolyRoiRequest()
def drawPolygonRoi(self,ev):
''' Function to draw a Polygon ROI - Called directly by MouseClickEvent '''
roi = self.drawingROI
pos = self.mapSceneToView(ev.scenePos())
# TO DRAW ROI
if ev.button() == QtCore.Qt.LeftButton:
if roi is None: # To start drawing a new roi
roi = PolyLineROIcustom(removable = False) # Create new roi
roi.setName('ROI-%i'% self.getROIid()) # Set name. Do this before self.selectROIs(roi)
self.drawingROI = roi
self.addItem(roi) # Add roi to viewbox
self.rois.append(roi) # Add to list of rois
self.selectROI(roi) # Make selected
self.sortROIs() # Sort list of rois
self.setCurrentROIindex(roi) # Make current
roi.translatable = False # Deactivate translation during drawing
roi.addFreeHandle(pos) # Add two handles on first click (1 fixed, 1 draggable)
roi.addFreeHandle(pos)
h = roi.handles[-1]['item'] # Get draggable handle
h.scene().sigMouseMoved.connect(h.movePoint) # Connect signal to move handle with mouse
else: # To continue drawing an existing roi
h = roi.handles[-1]['item'] # Get last handle
h.scene().sigMouseMoved.disconnect() # Make last handle non-draggable
roi.addFreeHandle(pos) # Add new handle
h = roi.handles[-1]['item'] # Get new handle
h.scene().sigMouseMoved.connect(h.movePoint) # Make new handle draggable
# Add a segment between the handles
roi.addSegment(roi.handles[-2]['item'],roi.handles[-1]['item'])
# Set segment and handles to non-selectable
seg = roi.segments[-1]
seg.setSelectable(False)
for h in seg.handles:
h['item'].setSelectable(False)
# TO STOP DRAWING ROI
elif (ev.button() == QtCore.Qt.MiddleButton) or \
(ev.button() == QtCore.Qt.RightButton and (roi==None or len(roi.segments)<3)):
if roi!=None:
# Remove handle and disconnect from scene
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.disconnect()
roi.removeHandle(h)
# Removed roi from viewbox
self.removeItem(roi)
self.rois.pop(self.currentROIindex)
self.setCurrentROIindex(None)
# Exit ROI drawing mode
self.endPolyRoiRequest()
# TO COMPLETE ROI
elif ev.button() == QtCore.Qt.RightButton:
# Remove last handle
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.disconnect()
roi.removeHandle(h)
# Add segment to close ROI
roi.addSegment(roi.handles[-1]['item'],roi.handles[0]['item'])
# Setup signals on completed roi
roi.sigRemoveRequested.connect(self.removeROI)
roi.sigCopyRequested.connect(self.copyROI)
roi.sigSaveRequested.connect(self.saveROI)
# Re-activate mouse clicks for all roi, segments and handles
roi.removable = True
roi.translatable = True
for seg in roi.segments:
seg.setSelectable(True)
for h in roi.handles:
h['item'].setSelectable(True)
# Exit ROI drawing mode
self.endPolyRoiRequest()
def drawPolygonRoi(self,ev):
"Function to draw a polygon ROI"
roi = self.drawingROI
pos = self.mapSceneToView(ev.scenePos())
if ev.button() == QtCore.Qt.LeftButton:
if roi is None:
roi = PolyLineROIcustom(removable = False)
roi.setName('ROI-%i'% self.getROIid()) # Do this before self.selectROIs(roi)
self.drawingROI = roi
self.addItem(roi) # Add roi to viewbox
self.rois.append(roi) # Add to list of rois
self.selectROI(roi)
self.sortROIs()
self.setCurrentROIindex(roi)
roi.translatable = False
roi.addFreeHandle(pos)
roi.addFreeHandle(pos)
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.connect(h.movePoint)
else:
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.disconnect()
roi.addFreeHandle(pos)
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.connect(h.movePoint)
# Add a segment between the handles
roi.addSegment(roi.handles[-2]['item'],roi.handles[-1]['item'])
# Set segment and handles to non-selectable
seg = roi.segments[-1]
seg.setSelectable(False)
for h in seg.handles:
h['item'].setSelectable(False)
elif (ev.button() == QtCore.Qt.MiddleButton) or \
(ev.button() == QtCore.Qt.RightButton and (roi==None or len(roi.segments)<3)):
if roi!=None:
# Remove handle and disconnect from scene
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.disconnect()
roi.removeHandle(h)
# Removed roi from viewbox
self.removeItem(roi)
self.rois.pop(self.currentROIindex)
self.setCurrentROIindex(None)
# Exit ROI drawing mode
self.endPolyRoiRequest()
elif ev.button() == QtCore.Qt.RightButton:
# Remove last handle
h = roi.handles[-1]['item']
h.scene().sigMouseMoved.disconnect()
roi.removeHandle(h)
# Add segment to close ROI
roi.addSegment(roi.handles[-1]['item'],roi.handles[0]['item'])
# Setup signals
roi.sigClicked.connect(self.selectROI)
roi.sigRegionChanged.connect(self.roiChanged)
roi.sigRemoveRequested.connect(self.removeROI)
roi.sigCopyRequested.connect(self.copyROI)
roi.sigSaveRequested.connect(self.saveROI)
# Re-activate mouse clicks for all roi, segments and handles
roi.removable = True
roi.translatable = True
for seg in roi.segments:
seg.setSelectable(True)
for h in roi.handles:
h['item'].setSelectable(True)
# Exit ROI drawing mode
self.endPolyRoiRequest()
