def __isub__(self, intersectWith):
if (isinstance(intersectWith, Area)):
a1 = Area(LineUtils().lineToGeneralPath(self.autoStroke()))
a1.subtract(intersectWith)
self.__dict__["line"] = self.maybeFix(LineUtils().piToCachedLine(
a1.getPathIterator(None)))
return self
def fixAreatreeArea(areatree):
# Append a 1-pixel square area for nodes without any area
# this will fix using findZDisplayables for finding areatree,
# including connector.getTargets(), connector.getOrigins() etc.
if not isinstance(areatree, AreaTree):
print "Error: input must be an AreaTree"
return
root = areatree.getRoot()
if root is None:
return
for nd in root.getSubtreeNodes():
a = nd.getArea()
a.add(Area(Rectangle(int(nd.getX()), int(nd.getY()), 1, 1)))
nd.setData(a)
layerset = areatree.getLayerSet()
calibration = layerset.getCalibration()
affine = areatree.getAffineTransform()
# outAndInArray = areatree.findConnectors()
for nd in root.getSubtreeNodes():
# get node coordinates, from tut on web
fp = array([nd.getX(), nd.getY()], 'f')
affine.transform(fp, 0, fp, 0, 1)
x = fp[0] * calibration.pixelWidth
y = fp[1] * calibration.pixelHeight
z = nd.getLayer().getZ(
) * calibration.pixelWidth # a TrakEM2 oddity
# get node connections, in/out synapse number, synapse id
# NOTE: this method seems to be affected by display zoom value
area = Area(Rectangle(int(fp[0]), int(fp[1]), 1, 1))
# area.transform(affine)
inAndOuts = layerset.findZDisplayables(Connector, nd.getLayer(),
area, False, False)
outgoing = []
incoming = []
for connector in inAndOuts:
if connector is None:
break
if connector.intersectsOrigin(area, nd.getLayer()):
outgoing.append(connector)
else:
incoming.append(connector)
nInputs = len(incoming)
nOutputs = len(outgoing)
outgoingIds = [oc.getId() for oc in outgoing]
def squarea(
self, offset
): #This is the default area generator. It will be overridden by certain shapes.
return Area(Rectangle2D.Double(-offset.x, -offset.y, 1, 1))
def area(self):
return Area(LineUtils().lineToGeneralPath(self.__dict__["line"]))
def toArea2(self): """Convert this line to a java.geom.Area""" return Area(LineUtils().lineToGeneralPath(self))
