def addPathBeforeEnd( self, aroundBetweenPath, location, loop ): "Add the path before the end of the loop." halfFillInset = 0.5 * self.fillInset if self.arrivalInsetFollowDistance < halfFillInset: return locationComplex = location.dropAxis( 2 ) closestInset = None closestDistanceIndex = euclidean.DistanceIndex( 999999999999999999.0, - 1 ) loop = euclidean.getAwayPoints( loop, self.extrusionWidth ) circleNodes = intercircle.getCircleNodesFromLoop( loop, self.fillInset ) centers = [] centers = intercircle.getCentersFromCircleNodes( circleNodes ) for center in centers: inset = intercircle.getInsetFromClockwiseLoop( center, halfFillInset ) if euclidean.isLargeSameDirection( inset, center, self.fillInset ): if euclidean.isPathInsideLoop( loop, inset ) == euclidean.isWiddershins( loop ): distanceIndex = euclidean.getNearestDistanceIndex( locationComplex, inset ) if distanceIndex.distance < closestDistanceIndex.distance: closestInset = inset closestDistanceIndex = distanceIndex if closestInset == None: return extrusionHalfWidth = 0.5 * self.extrusionWidth closestInset = euclidean.getLoopStartingNearest( extrusionHalfWidth, locationComplex, closestInset ) if euclidean.getPolygonLength( closestInset ) < 0.2 * self.arrivalInsetFollowDistance: return closestInset.append( closestInset[ 0 ] ) closestInset = euclidean.getSimplifiedPath( closestInset, self.extrusionWidth ) closestInset.reverse() pathBeforeArrival = euclidean.getClippedAtEndLoopPath( self.arrivalInsetFollowDistance, closestInset ) pointBeforeArrival = pathBeforeArrival[ - 1 ] aroundBetweenPath.append( pointBeforeArrival ) if self.arrivalInsetFollowDistance <= halfFillInset: return aroundBetweenPath += euclidean.getClippedAtEndLoopPath( halfFillInset, closestInset )[ len( pathBeforeArrival ) - 1 : ]
def addAlreadyFilledArounds( alreadyFilledArounds, loop, radius ): "Add already filled loops around loop to alreadyFilledArounds." radius = abs( radius ) alreadyFilledLoop = [] slightlyGreaterThanRadius = 1.01 * radius muchGreaterThanRadius = 2.5 * radius circleNodes = intercircle.getCircleNodesFromLoop( loop, slightlyGreaterThanRadius ) centers = intercircle.getCentersFromCircleNodes( circleNodes ) for center in centers: alreadyFilledInset = intercircle.getSimplifiedInsetFromClockwiseLoop( center, radius ) if euclidean.isLarge( alreadyFilledInset, muchGreaterThanRadius ) or euclidean.isWiddershins( alreadyFilledInset ): alreadyFilledLoop.append( alreadyFilledInset ) if len( alreadyFilledLoop ) > 0: alreadyFilledArounds.append( alreadyFilledLoop )
def getBridgeLoops( layerThickness, loop ): "Get the inset bridge loops from the loop." halfWidth = 1.5 * layerThickness slightlyGreaterThanHalfWidth = 1.1 * halfWidth muchGreaterThanHalfWIdth = 2.5 * halfWidth extrudateLoops = [] circleNodes = intercircle.getCircleNodesFromLoop( loop, slightlyGreaterThanHalfWidth ) centers = intercircle.getCentersFromCircleNodes( circleNodes ) for center in centers: extrudateLoop = intercircle.getSimplifiedInsetFromClockwiseLoop( center, halfWidth ) if euclidean.isLargeSameDirection( extrudateLoop, center, muchGreaterThanHalfWIdth ): if euclidean.isPathInsideLoop( loop, extrudateLoop ) == euclidean.isWiddershins( loop ): extrudateLoop.reverse() extrudateLoops.append( extrudateLoop ) return extrudateLoops
def addAlreadyFilledArounds(alreadyFilledArounds, loop, radius):
"Add already filled loops around loop to alreadyFilledArounds."
radius = abs(radius)
alreadyFilledLoop = []
slightlyGreaterThanRadius = 1.01 * radius
muchGreaterThanRadius = 2.5 * radius
circleNodes = intercircle.getCircleNodesFromLoop(
loop, slightlyGreaterThanRadius)
centers = intercircle.getCentersFromCircleNodes(circleNodes)
for center in centers:
alreadyFilledInset = intercircle.getSimplifiedInsetFromClockwiseLoop(
center, radius)
if euclidean.isLarge(alreadyFilledInset, muchGreaterThanRadius
) or euclidean.isWiddershins(alreadyFilledInset):
alreadyFilledLoop.append(alreadyFilledInset)
if len(alreadyFilledLoop) > 0:
alreadyFilledArounds.append(alreadyFilledLoop)
def getBetweens( self ): "Set betweens for the layer." if self.layerZ in self.betweenTable: return self.betweenTable[ self.layerZ ] if self.layerZ not in self.layerTable: return [] halfFillInset = 0.5 * self.fillInset betweens = [] for boundaryLoop in self.layerTable[ self.layerZ ]: circleNodes = intercircle.getCircleNodesFromLoop( boundaryLoop, self.fillInset ) centers = intercircle.getCentersFromCircleNodes( circleNodes ) for center in centers: inset = intercircle.getSimplifiedInsetFromClockwiseLoop( center, halfFillInset ) if euclidean.isLargeSameDirection( inset, center, self.fillInset ): if euclidean.isPathInsideLoop( boundaryLoop, inset ) == euclidean.isWiddershins( boundaryLoop ): betweens.append( inset ) self.betweenTable[ self.layerZ ] = betweens return betweens
def addPathBeforeEnd(self, aroundBetweenPath, location, loop):
"Add the path before the end of the loop."
halfFillInset = 0.5 * self.fillInset
if self.arrivalInsetFollowDistance < halfFillInset:
return
locationComplex = location.dropAxis(2)
closestInset = None
closestDistanceIndex = euclidean.DistanceIndex(999999999999999999.0,
-1)
loop = euclidean.getAwayPoints(loop, self.extrusionWidth)
circleNodes = intercircle.getCircleNodesFromLoop(loop, self.fillInset)
centers = []
centers = intercircle.getCentersFromCircleNodes(circleNodes)
for center in centers:
inset = intercircle.getInsetFromClockwiseLoop(
center, halfFillInset)
if euclidean.isLargeSameDirection(inset, center, self.fillInset):
if euclidean.isPathInsideLoop(
loop, inset) == euclidean.isWiddershins(loop):
distanceIndex = euclidean.getNearestDistanceIndex(
locationComplex, inset)
if distanceIndex.distance < closestDistanceIndex.distance:
closestInset = inset
closestDistanceIndex = distanceIndex
if closestInset == None:
return
extrusionHalfWidth = 0.5 * self.extrusionWidth
closestInset = euclidean.getLoopStartingNearest(
extrusionHalfWidth, locationComplex, closestInset)
if euclidean.getPolygonLength(
closestInset) < 0.2 * self.arrivalInsetFollowDistance:
return
closestInset.append(closestInset[0])
closestInset = euclidean.getSimplifiedPath(closestInset,
self.extrusionWidth)
closestInset.reverse()
pathBeforeArrival = euclidean.getClippedAtEndLoopPath(
self.arrivalInsetFollowDistance, closestInset)
pointBeforeArrival = pathBeforeArrival[-1]
aroundBetweenPath.append(pointBeforeArrival)
if self.arrivalInsetFollowDistance <= halfFillInset:
return
aroundBetweenPath += euclidean.getClippedAtEndLoopPath(
halfFillInset, closestInset)[len(pathBeforeArrival) - 1:]
def getBetweens(self):
"Set betweens for the layer."
if self.layerZ in self.betweenTable:
return self.betweenTable[self.layerZ]
if self.layerZ not in self.layerTable:
return []
halfFillInset = 0.5 * self.fillInset
betweens = []
for boundaryLoop in self.layerTable[self.layerZ]:
circleNodes = intercircle.getCircleNodesFromLoop(
boundaryLoop, self.fillInset)
centers = intercircle.getCentersFromCircleNodes(circleNodes)
for center in centers:
inset = intercircle.getSimplifiedInsetFromClockwiseLoop(
center, halfFillInset)
if euclidean.isLargeSameDirection(inset, center,
self.fillInset):
if euclidean.isPathInsideLoop(
boundaryLoop,
inset) == euclidean.isWiddershins(boundaryLoop):
betweens.append(inset)
self.betweenTable[self.layerZ] = betweens
return betweens