def setBoundaryPerimeter(self, boundaryPointsLoop, perimeterLoop=None):
self.perimeter = BoundaryPerimeter(self.runtimeParameters)
for point in boundaryPointsLoop:
self.perimeter.boundaryPoints.append(Vector3(point.real, point.imag, 0))
if len(boundaryPointsLoop) < 2:
return
if perimeterLoop == None:
perimeterLoop = boundaryPointsLoop
if euclidean.isWiddershins(perimeterLoop):
self.perimeter.type = 'outer'
else:
self.perimeter.type = 'inner'
path = perimeterLoop + [perimeterLoop[0]]
self.perimeter.addPath(path)
class NestedRing:
def __init__(self, runtimeParameters, z = 0):
if runtimeParameters.profileMemory:
memory_tracker.track_object(self)
self.runtimeParameters = runtimeParameters
self.decimalPlaces = self.runtimeParameters.decimalPlaces
self.z = z
self.perimeter = None
self.loops = []
self.infillPaths = []
self.innerNestedRings = []
# can the following be removed? only used whilst generating the infill?
self.infillPathsHolder = []
self.extraLoops = []
self.penultimateFillLoops = []
self.lastFillLoops = None
###
self.bridgeFeedRateMinute = self.runtimeParameters.bridgeFeedRateMinute
self.perimeterFeedRateMinute = self.runtimeParameters.perimeterFeedRateMinute
self.extrusionFeedRateMinute = self.runtimeParameters.extrusionFeedRateMinute
self.travelFeedRateMinute = self.runtimeParameters.travelFeedRateMinute
self.zDistanceRatio = 5.0
self.layerThickness = self.runtimeParameters.layerThickness
self.perimeterWidth = self.runtimeParameters.perimeterWidth
self.absolutePositioning = config.getboolean('preface', 'positioning.absolute')
self.flowRate = self.runtimeParameters.flowRate
self.perimeterFlowRate = self.runtimeParameters.perimeterFlowRate
self.bridgeFlowRate = self.runtimeParameters.bridgeFlowRate
self.previousPoint = None
def __str__(self):
output = StringIO()
output.write('\n%4s#########################################' % '')
output.write('\n%8snestedRing:' % '')
output.write('\n%10sboundaryPerimeter:\n' % '')
output.write(self.perimeter)
output.write('\n%10sinnerNestedRings:\n' % '')
for innerNestedRing in self.innerNestedRings:
output.write('%12s%s\n' % ('', innerNestedRing))
output.write('\n%10sloops:\n' % '')
for loop in self.loops:
output.write(loop)
output.write('\n%10sextraLoops:\n' % '')
for extraLoop in self.extraLoops:
output.write('%12s%s\n' % ('', extraLoop))
output.write('\n%10spenultimateFillLoops:\n' % '')
for penultimateFillLoop in self.penultimateFillLoops:
output.write('%12s%s\n' % ('', penultimateFillLoop))
output.write('\n%10slastFillLoops:\n' % '')
if self.lastFillLoops != None:
for lastFillLoop in self.lastFillLoops:
output.write('%12s%s\n' % ('', lastFillLoop))
output.write('\n%10sinfillPaths:\n' % '')
for infillPath in self.infillPaths:
output.write(infillPath)
output.write('\n%4s###### end nestedRing ########################' % '')
return output.getvalue()
def getDistanceAndDuration(self):
'''Returns the amount of time needed to print the ring, and the distance travelled.'''
duration = 0.0
distance = 0.0
(perimeterDistance, perimeterDuration) = self.perimeter.getDistanceAndDuration()
duration += perimeterDuration
distance += perimeterDistance
for loop in self.loops:
(loopDistance, loopDuration) = loop.getDistanceAndDuration()
duration += loopDuration
distance += loopDistance
for infillPath in self.infillPaths:
(infillPathDistance, infillPathDuration) = infillPath.getDistanceAndDuration()
duration += infillPathDuration
distance += infillPathDistance
for nestedRing in self.innerNestedRings:
(nestedRingPathDistance, nestedRingPathDuration) = nestedRing.getDistanceAndDuration()
duration += nestedRingPathDuration
distance += nestedRingPathDistance
return (distance, duration)
def getPerimeterPaths(self, pathList):
pathList.append(self.perimeter)
for innerNestedRing in self.innerNestedRings:
innerNestedRing.getPerimeterPaths(pathList)
def getLoopPaths(self, pathList):
for loop in self.loops:
pathList.append(loop)
for innerNestedRing in self.innerNestedRings:
innerNestedRing.getLoopPaths(pathList)
def getInfillPaths(self, pathList):
for infillPath in self.infillPaths:
pathList.append(infillPath)
for innerNestedRing in self.innerNestedRings:
innerNestedRing.getInfillPaths(pathList)
def getStartPoint(self):
if self.perimeter != None:
return self.perimeter.getStartPoint()
def offset(self, offset):
'Moves the nested ring by the offset amount'
for innerNestedRing in self.innerNestedRings:
innerNestedRing.offset(offset)
self.perimeter.offset(offset)
for loop in self.loops:
loop.offset(offset)
for infillPath in self.infillPaths:
infillPath.offset(offset)
def setBoundaryPerimeter(self, boundaryPointsLoop, perimeterLoop=None):
self.perimeter = BoundaryPerimeter(self.runtimeParameters)
for point in boundaryPointsLoop:
self.perimeter.boundaryPoints.append(Vector3(point.real, point.imag, 0))
if len(boundaryPointsLoop) < 2:
return
if perimeterLoop == None:
perimeterLoop = boundaryPointsLoop
if euclidean.isWiddershins(perimeterLoop):
self.perimeter.type = 'outer'
else:
self.perimeter.type = 'inner'
path = perimeterLoop + [perimeterLoop[0]]
self.perimeter.addPath(path)
def addInfillGcodeFromThread(self, thread):
'Add a thread to the output.'
infillPath = InfillPath(self.runtimeParameters)
decimalPlaces = self.decimalPlaces
if len(thread) > 0:
infillPath.startPoint = thread[0]
infillPath.points = thread[1 :]
else:
logger.warning('Zero length vertex positions array which was skipped over, this should never happen.')
if len(thread) < 2:
logger.warning('Thread of only one point: %s, this should never happen.', thread)
return
self.infillPaths.append(infillPath)
def getLoopsToBeFilled(self):
'Get last fill loops from the outside loop and the loops inside the inside loops.'
if self.lastFillLoops == None:
return self.getSurroundingBoundaries()
return self.lastFillLoops
def getXYBoundaries(self):
'''Converts XYZ boundary points to XY'''
xyBoundaries = []
for boundaryPoint in self.perimeter.boundaryPoints:
xyBoundaries.append(boundaryPoint.dropAxis())
return xyBoundaries
def getSurroundingBoundaries(self):
'Get the boundary of the surronding loop plus any boundaries of the innerNestedRings.'
surroundingBoundaries = [self.getXYBoundaries()]
for nestedRing in self.innerNestedRings:
surroundingBoundaries.append(nestedRing.getXYBoundaries())
return surroundingBoundaries
def getFillLoops(self, penultimateFillLoops):
'Get last fill loops from the outside loop and the loops inside the inside loops.'
fillLoops = self.getLoopsToBeFilled()[:]
surroundingBoundaries = self.getSurroundingBoundaries()
withinLoops = []
if penultimateFillLoops == None:
penultimateFillLoops = self.penultimateFillLoops
if penultimateFillLoops != None:
for penultimateFillLoop in penultimateFillLoops:
if len(penultimateFillLoop) > 2:
if euclidean.getIsInFilledRegion(surroundingBoundaries, penultimateFillLoop[0]):
withinLoops.append(penultimateFillLoop)
if not euclidean.getIsInFilledRegionByPaths(self.penultimateFillLoops, fillLoops):
fillLoops += self.penultimateFillLoops
for nestedRing in self.innerNestedRings:
fillLoops += euclidean.getFillOfSurroundings(nestedRing.innerNestedRings, penultimateFillLoops)
return fillLoops
def transferPaths(self, paths):
'Transfer paths.'
for innerNestedRing in self.innerNestedRings:
innerNestedRing.transferPaths(paths)
loop = self.getXYBoundaries()
for insideIndex in xrange(len(paths) - 1, -1, -1):
inside = paths[ insideIndex ]
if euclidean.isPathInsideLoop(loop, inside):
self.infillPathsHolder.append(inside)
del paths[ insideIndex ]
def addToThreads(self, extrusionHalfWidth, oldOrderedLocation, threadSequence):
'Add to paths from the last location. perimeter>inner >fill>paths or fill> perimeter>inner >paths'
self.addPerimeterInner(extrusionHalfWidth, oldOrderedLocation, threadSequence)
self.transferInfillPaths(extrusionHalfWidth, oldOrderedLocation, threadSequence)
def transferInfillPaths(self, extrusionHalfWidth, oldOrderedLocation, threadSequence):
'Transfer the infill paths.'
euclidean.transferClosestPaths(oldOrderedLocation, self.infillPathsHolder[:], self)
def addPerimeterInner(self, extrusionHalfWidth, oldOrderedLocation, threadSequence):
'Add to the perimeter and the inner island.'
for loop in self.extraLoops:
innerPerimeterLoop = Loop(self.runtimeParameters)
if euclidean.isWiddershins(loop + [loop[0]]):
innerPerimeterLoop.type = 'outer'
else:
innerPerimeterLoop.type = 'inner'
innerPerimeterLoop.addPath(loop + [loop[0]])
self.loops.append(innerPerimeterLoop)
for innerNestedRing in self.innerNestedRings:
innerNestedRing.addToThreads(extrusionHalfWidth, oldOrderedLocation, threadSequence)
class NestedRing:
def __init__(self, z, runtimeParameters):
if runtimeParameters.profileMemory:
memory_tracker.track_object(self)
self.runtimeParameters = runtimeParameters
self.decimalPlaces = self.runtimeParameters.decimalPlaces
self.z = z
self.perimeter = None
self.loops = []
self.infillPaths = []
self.innerNestedRings = []
# can the following be removed? only used whilst generating the infill?
self.infillPathsHolder = []
self.extraLoops = []
self.penultimateFillLoops = []
self.lastFillLoops = None
###
self.bridgeFeedRateMinute = self.runtimeParameters.bridgeFeedRateMinute
self.perimeterFeedRateMinute = self.runtimeParameters.perimeterFeedRateMinute
self.extrusionFeedRateMinute = self.runtimeParameters.extrusionFeedRateMinute
self.travelFeedRateMinute = self.runtimeParameters.travelFeedRateMinute
self.extrusionUnitsRelative = self.runtimeParameters.extrusionUnitsRelative
self.oozeRate = self.runtimeParameters.oozeRate
self.zDistanceRatio = 5.0
self.extruderRetractionSpeedMinute = round(
60.0 * self.runtimeParameters.extruderRetractionSpeed, self.decimalPlaces
)
self.layerThickness = self.runtimeParameters.layerThickness
self.perimeterWidth = self.runtimeParameters.perimeterWidth
self.filamentDiameter = self.runtimeParameters.filamentDiameter
self.filamentPackingDensity = self.runtimeParameters.filamentPackingDensity
self.absolutePositioning = config.getboolean("preface", "positioning.absolute")
self.flowRate = self.runtimeParameters.flowRate
self.perimeterFlowRate = self.runtimeParameters.perimeterFlowRate
self.bridgeFlowRate = self.runtimeParameters.bridgeFlowRate
self.previousPoint = None
filamentRadius = 0.5 * self.filamentDiameter
filamentPackingArea = pi * filamentRadius * filamentRadius * self.filamentPackingDensity
extrusionArea = pi * self.layerThickness ** 2 / 4 + self.layerThickness * (
self.perimeterWidth - self.layerThickness
)
# http://hydraraptor.blogspot.sk/2011/03/spot-on-flow-rate.html
self.flowScaleSixty = 60.0 * extrusionArea / filamentPackingArea
def __str__(self):
output = StringIO()
output.write("\n%4s#########################################" % "")
output.write("\n%8snestedRing:" % "")
output.write("\n%10sboundaryPerimeter:\n" % "")
output.write(self.perimeter)
output.write("\n%10sinnerNestedRings:\n" % "")
for innerNestedRing in self.innerNestedRings:
output.write("%12s%s\n" % ("", innerNestedRing))
output.write("\n%10sloops:\n" % "")
for loop in self.loops:
output.write(loop)
output.write("\n%10sextraLoops:\n" % "")
for extraLoop in self.extraLoops:
output.write("%12s%s\n" % ("", extraLoop))
output.write("\n%10spenultimateFillLoops:\n" % "")
for penultimateFillLoop in self.penultimateFillLoops:
output.write("%12s%s\n" % ("", penultimateFillLoop))
output.write("\n%10slastFillLoops:\n" % "")
if self.lastFillLoops != None:
for lastFillLoop in self.lastFillLoops:
output.write("%12s%s\n" % ("", lastFillLoop))
output.write("\n%10sinfillPaths:\n" % "")
for infillPath in self.infillPaths:
output.write(infillPath)
output.write("\n%4s###### end nestedRing ########################" % "")
return output.getvalue()
def getDistanceAndDuration(self):
"""Returns the amount of time needed to print the ring, and the distance travelled."""
duration = 0.0
distance = 0.0
(perimeterDistance, perimeterDuration) = self.perimeter.getDistanceAndDuration()
duration += perimeterDuration
distance += perimeterDistance
for loop in self.loops:
(loopDistance, loopDuration) = loop.getDistanceAndDuration()
duration += loopDuration
distance += loopDistance
for infillPath in self.infillPaths:
(infillPathDistance, infillPathDuration) = infillPath.getDistanceAndDuration()
duration += infillPathDuration
distance += infillPathDistance
for nestedRing in self.innerNestedRings:
(nestedRingPathDistance, nestedRingPathDuration) = nestedRing.getDistanceAndDuration()
duration += nestedRingPathDuration
distance += nestedRingPathDistance
return (distance, duration)
def getPerimeterPaths(self, pathList):
pathList.append(self.perimeter)
for innerNestedRing in self.innerNestedRings:
innerNestedRing.getPerimeterPaths(pathList)
def getLoopPaths(self, pathList):
for loop in self.loops:
pathList.append(loop)
for innerNestedRing in self.innerNestedRings:
innerNestedRing.getLoopPaths(pathList)
def getInfillPaths(self, pathList):
for infillPath in self.infillPaths:
pathList.append(infillPath)
for innerNestedRing in self.innerNestedRings:
innerNestedRing.getInfillPaths(pathList)
def getStartPoint(self):
if self.perimeter != None:
return self.perimeter.getStartPoint()
def offset(self, offset):
"Moves the nested ring by the offset amount"
for innerNestedRing in self.innerNestedRings:
innerNestedRing.offset(offset)
self.perimeter.offset(offset)
for loop in self.loops:
loop.offset(offset)
for infillPath in self.infillPaths:
infillPath.offset(offset)
def setBoundaryPerimeter(self, boundaryPointsLoop, perimeterLoop=None):
self.perimeter = BoundaryPerimeter(self.z, self.runtimeParameters)
for point in boundaryPointsLoop:
self.perimeter.boundaryPoints.append(Vector3(point.real, point.imag, self.z))
if len(boundaryPointsLoop) < 2:
return
if perimeterLoop == None:
perimeterLoop = boundaryPointsLoop
if euclidean.isWiddershins(perimeterLoop):
self.perimeter.type = "outer"
else:
self.perimeter.type = "inner"
path = perimeterLoop + [perimeterLoop[0]]
self.perimeter.addPath(path)
def addInfillGcodeFromThread(self, thread):
"Add a thread to the output."
infillPath = InfillPath(self.z, self.runtimeParameters)
decimalPlaces = self.decimalPlaces
if len(thread) > 0:
infillPath.startPoint = thread[0]
infillPath.points = thread[1:]
else:
logger.warning("Zero length vertex positions array which was skipped over, this should never happen.")
if len(thread) < 2:
logger.warning("Thread of only one point: %s, this should never happen.", thread)
return
self.infillPaths.append(infillPath)
def getLoopsToBeFilled(self):
"Get last fill loops from the outside loop and the loops inside the inside loops."
if self.lastFillLoops == None:
return self.getSurroundingBoundaries()
return self.lastFillLoops
def getXYBoundaries(self):
"""Converts XYZ boundary points to XY"""
xyBoundaries = []
for boundaryPoint in self.perimeter.boundaryPoints:
xyBoundaries.append(boundaryPoint.dropAxis())
return xyBoundaries
def getSurroundingBoundaries(self):
"Get the boundary of the surronding loop plus any boundaries of the innerNestedRings."
surroundingBoundaries = [self.getXYBoundaries()]
for nestedRing in self.innerNestedRings:
surroundingBoundaries.append(nestedRing.getXYBoundaries())
return surroundingBoundaries
def getFillLoops(self, penultimateFillLoops):
"Get last fill loops from the outside loop and the loops inside the inside loops."
fillLoops = self.getLoopsToBeFilled()[:]
surroundingBoundaries = self.getSurroundingBoundaries()
withinLoops = []
if penultimateFillLoops == None:
penultimateFillLoops = self.penultimateFillLoops
if penultimateFillLoops != None:
for penultimateFillLoop in penultimateFillLoops:
if len(penultimateFillLoop) > 2:
if euclidean.getIsInFilledRegion(surroundingBoundaries, penultimateFillLoop[0]):
withinLoops.append(penultimateFillLoop)
if not euclidean.getIsInFilledRegionByPaths(self.penultimateFillLoops, fillLoops):
fillLoops += self.penultimateFillLoops
for nestedRing in self.innerNestedRings:
fillLoops += euclidean.getFillOfSurroundings(nestedRing.innerNestedRings, penultimateFillLoops)
return fillLoops
def transferPaths(self, paths):
"Transfer paths."
for innerNestedRing in self.innerNestedRings:
innerNestedRing.transferPaths(paths)
loop = self.getXYBoundaries()
for insideIndex in xrange(len(paths) - 1, -1, -1):
inside = paths[insideIndex]
if euclidean.isPathInsideLoop(loop, inside):
self.infillPathsHolder.append(inside)
del paths[insideIndex]
def addToThreads(self, extrusionHalfWidth, oldOrderedLocation, threadSequence):
"Add to paths from the last location. perimeter>inner >fill>paths or fill> perimeter>inner >paths"
self.addPerimeterInner(extrusionHalfWidth, oldOrderedLocation, threadSequence)
self.transferInfillPaths(extrusionHalfWidth, oldOrderedLocation, threadSequence)
def transferInfillPaths(self, extrusionHalfWidth, oldOrderedLocation, threadSequence):
"Transfer the infill paths."
euclidean.transferClosestPaths(oldOrderedLocation, self.infillPathsHolder[:], self)
def addPerimeterInner(self, extrusionHalfWidth, oldOrderedLocation, threadSequence):
"Add to the perimeter and the inner island."
for loop in self.extraLoops:
innerPerimeterLoop = Loop(self.z, self.runtimeParameters)
if euclidean.isWiddershins(loop + [loop[0]]):
innerPerimeterLoop.type = "outer"
else:
innerPerimeterLoop.type = "inner"
innerPerimeterLoop.addPath(loop + [loop[0]])
self.loops.append(innerPerimeterLoop)
for innerNestedRing in self.innerNestedRings:
innerNestedRing.addToThreads(extrusionHalfWidth, oldOrderedLocation, threadSequence)
