def getBridgeDirection(belowLoops, layerLoops, layerThickness):
"Get span direction for the majority of the overhanging extrusion perimeter, if any."
if len(belowLoops) < 1:
return None
belowOutsetLoops = []
overhangInset = 1.875 * layerThickness
slightlyGreaterThanOverhang = 1.1 * overhangInset
for loop in belowLoops:
centers = intercircle.getCentersFromLoopDirection(
True, loop, slightlyGreaterThanOverhang)
for center in centers:
outset = intercircle.getSimplifiedInsetFromClockwiseLoop(
center, overhangInset)
if intercircle.isLargeSameDirection(outset, center, overhangInset):
belowOutsetLoops.append(outset)
bridgeRotation = complex()
for loop in layerLoops:
for pointIndex in xrange(len(loop)):
previousIndex = (pointIndex + len(loop) - 1) % len(loop)
bridgeRotation += getOverhangDirection(belowOutsetLoops,
loop[previousIndex],
loop[pointIndex])
if abs(bridgeRotation) < 0.75 * layerThickness:
return None
else:
bridgeRotation /= abs(bridgeRotation)
return cmath.sqrt(bridgeRotation)
def getExtraFillLoops(loops, radius):
'Get extra loops between inside and outside loops. Extra perimeters'
greaterThanRadius = radius / 0.7853 #todo was *1.4 ACT (radius /0.7853) how much the tight spots are covered by the extra loops
extraFillLoops = []
centers = intercircle.getCentersFromPoints(intercircle.getPointsFromLoops(loops, greaterThanRadius), greaterThanRadius)
for center in centers:
inset = intercircle.getSimplifiedInsetFromClockwiseLoop(center, radius)
if intercircle.isLargeSameDirection(inset, center, radius):
if euclidean.getIsInFilledRegion(loops, euclidean.getLeftPoint(inset)):
inset.reverse()
extraFillLoops.append(inset)
return extraFillLoops
def addAlreadyFilledArounds( alreadyFilledArounds, loop, radius ): "Add already filled loops around loop to alreadyFilledArounds." radius = abs(radius) alreadyFilledLoop = [] slightlyGreaterThanRadius = intercircle.globalIntercircleMultiplier * radius muchGreaterThanRadius = 2.5 * radius centers = intercircle.getCentersFromLoop( loop, slightlyGreaterThanRadius ) for center in centers: alreadyFilledInset = intercircle.getSimplifiedInsetFromClockwiseLoop( center, radius ) if intercircle.isLargeSameDirection( alreadyFilledInset, center, radius ): 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 extrudateLoops = [] centers = intercircle.getCentersFromLoop( loop, slightlyGreaterThanHalfWidth ) for center in centers: extrudateLoop = intercircle.getSimplifiedInsetFromClockwiseLoop( center, halfWidth ) if intercircle.isLargeSameDirection( extrudateLoop, center, halfWidth ): if euclidean.isPathInsideLoop( loop, extrudateLoop ) == euclidean.isWiddershins( loop ): extrudateLoop.reverse() extrudateLoops.append( extrudateLoop ) return extrudateLoops
def getBridgeLoops( layerThickness, loop ): 'Get the inset bridge loops from the loop.' halfWidth = 1.5 * layerThickness slightlyGreaterThanHalfWidth = 1.1 * halfWidth extrudateLoops = [] centers = intercircle.getCentersFromLoop( loop, slightlyGreaterThanHalfWidth ) for center in centers: extrudateLoop = intercircle.getSimplifiedInsetFromClockwiseLoop( center, halfWidth ) if intercircle.isLargeSameDirection( extrudateLoop, center, halfWidth ): 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 = intercircle.globalIntercircleMultiplier * radius muchGreaterThanRadius = 2.5 * radius centers = intercircle.getCentersFromLoop( loop, slightlyGreaterThanRadius ) for center in centers: alreadyFilledInset = intercircle.getSimplifiedInsetFromClockwiseLoop( center, radius ) if intercircle.isLargeSameDirection( alreadyFilledInset, center, radius ): alreadyFilledLoop.append( alreadyFilledInset ) if len( alreadyFilledLoop ) > 0: alreadyFilledArounds.append( alreadyFilledLoop )
def getExtraFillLoops(loops, radius):
'Get extra loops between inside and outside loops. Extra perimeters'
greaterThanRadius = radius / 0.7853 #todo was *1.4 ACT (radius /0.7853) how much the tight spots are covered by the extra loops
extraFillLoops = []
centers = intercircle.getCentersFromPoints(
intercircle.getPointsFromLoops(loops, greaterThanRadius),
greaterThanRadius)
for center in centers:
inset = intercircle.getSimplifiedInsetFromClockwiseLoop(center, radius)
if intercircle.isLargeSameDirection(inset, center, radius):
if euclidean.getIsInFilledRegion(loops,
euclidean.getLeftPoint(inset)):
inset.reverse()
extraFillLoops.append(inset)
return extraFillLoops
def getBridgeDirection( belowLoops, layerLoops, layerThickness ): "Get span direction for the majority of the overhanging extrusion perimeter, if any." if len( belowLoops ) < 1: return None belowOutsetLoops = [] overhangInset = 1.875 * layerThickness slightlyGreaterThanOverhang = 1.1 * overhangInset for loop in belowLoops: centers = intercircle.getCentersFromLoopDirection( True, loop, slightlyGreaterThanOverhang ) for center in centers: outset = intercircle.getSimplifiedInsetFromClockwiseLoop( center, overhangInset ) if intercircle.isLargeSameDirection( outset, center, overhangInset ): belowOutsetLoops.append( outset ) bridgeRotation = complex() for loop in layerLoops: for pointIndex in xrange( len( loop ) ): previousIndex = ( pointIndex + len( loop ) - 1 ) % len( loop ) bridgeRotation += getOverhangDirection( belowOutsetLoops, loop[ previousIndex ], loop[ pointIndex ] ) if abs( bridgeRotation ) < 0.75 * layerThickness: return None else: bridgeRotation /= abs( bridgeRotation ) return cmath.sqrt( bridgeRotation )
def fill(self, layer):
'Add fill to the carve layer.'
layerIndex = layer.index
alreadyFilledArounds = []
pixelTable = {}
arounds = []
betweenWidth = self.extrusionWidth / 1.7594801994 # this really sucks I cant find hwe#(self.repository.infillWidthOverThickness.value * self.extrusionWidth *(0.7853))/1.5 #- 0.0866#todo todo TODO *0.5 is the distance between the outer loops..
self.layerExtrusionWidth = self.infillWidth # spacing between fill lines
layerFillInset = self.infillWidth # the distance between perimeter incl loops and the fill pattern
layerRotation = self.getLayerRotation(layerIndex, layer)
reverseRotation = complex(layerRotation.real, -layerRotation.imag)
surroundingCarves = []
layerRemainder = layerIndex % self.diaphragmPeriod
extraShells = self.extraShellsSparseLayer
if layerRemainder >= self.diaphragmThickness and layer.bridgeRotation == None:
for surroundingIndex in xrange(1, self.solidSurfaceThickness + 1):
self.addRotatedCarve(layerIndex, -surroundingIndex, reverseRotation, surroundingCarves)
self.addRotatedCarve(layerIndex, surroundingIndex, reverseRotation, surroundingCarves)
if len(surroundingCarves) < self.doubleSolidSurfaceThickness:
extraShells = self.extraShellsAlternatingSolidLayer
if self.previousExtraShells != self.extraShellsBase:
extraShells = self.extraShellsBase
if layer.bridgeRotation != None:
extraShells = 0
betweenWidth *= self.bridgeWidthMultiplier#/0.7853 #todo check what is better with or without the normalizer
self.layerExtrusionWidth *= self.bridgeWidthMultiplier
layerFillInset *= self.bridgeWidthMultiplier
aroundInset = 0.25 * self.layerExtrusionWidth
aroundWidth = 0.25 * self.layerExtrusionWidth
self.previousExtraShells = extraShells
gridPointInsetX = 0.5 * layerFillInset
doubleExtrusionWidth = 2.0 * self.layerExtrusionWidth
endpoints = []
infillPaths = []
layerInfillSolidity = self.infillSolidity
self.isDoubleJunction = True
self.isJunctionWide = True
rotatedLoops = []
nestedRings = layer.nestedRings
createFillForSurroundings(nestedRings, betweenWidth, False)
for extraShellIndex in xrange(extraShells):
createFillForSurroundings(nestedRings, self.layerExtrusionWidth, True)
fillLoops = euclidean.getFillOfSurroundings(nestedRings, None)
slightlyGreaterThanFill = 1.001 * layerFillInset #todo was 1.01 ACT 0.95 How much the parallel fill is filled
for loop in fillLoops:
alreadyFilledLoop = []
alreadyFilledArounds.append(alreadyFilledLoop)
planeRotatedPerimeter = euclidean.getPointsRoundZAxis(reverseRotation, loop)
rotatedLoops.append(planeRotatedPerimeter)
centers = intercircle.getCentersFromLoop(planeRotatedPerimeter, slightlyGreaterThanFill)
euclidean.addLoopToPixelTable(planeRotatedPerimeter, pixelTable, aroundWidth)
for center in centers:
alreadyFilledInset = intercircle.getSimplifiedInsetFromClockwiseLoop(center, layerFillInset)
if intercircle.isLargeSameDirection(alreadyFilledInset, center, layerFillInset):
alreadyFilledLoop.append(alreadyFilledInset)
around = intercircle.getSimplifiedInsetFromClockwiseLoop(center, aroundInset)
if euclidean.isPathInsideLoop(planeRotatedPerimeter, around) == euclidean.isWiddershins(planeRotatedPerimeter):
around.reverse()
arounds.append(around)
euclidean.addLoopToPixelTable(around, pixelTable, aroundWidth)
if len(arounds) < 1:
self.addThreadsBridgeLayer(layerIndex, nestedRings, layer)
return
back = euclidean.getBackOfLoops(arounds)
front = euclidean.getFrontOfLoops(arounds)
front = math.ceil(front / self.layerExtrusionWidth) * self.layerExtrusionWidth
fillWidth = back - front
numberOfLines = int(math.ceil(fillWidth / self.layerExtrusionWidth))
self.frontOverWidth = 0.0
self.horizontalSegmentLists = euclidean.getHorizontalSegmentListsFromLoopLists(alreadyFilledArounds, front, numberOfLines, rotatedLoops, self.layerExtrusionWidth)
self.surroundingXIntersectionLists = []
self.yList = []
removedEndpoints = []
if len(surroundingCarves) >= self.doubleSolidSurfaceThickness:
xIntersectionIndexLists = []
self.frontOverWidth = euclidean.getFrontOverWidthAddXListYList(front, surroundingCarves, numberOfLines, xIntersectionIndexLists, self.layerExtrusionWidth, self.yList)
for fillLine in xrange(len(self.horizontalSegmentLists)):
xIntersectionIndexList = xIntersectionIndexLists[fillLine]
surroundingXIntersections = euclidean.getIntersectionOfXIntersectionIndexes(self.doubleSolidSurfaceThickness, xIntersectionIndexList)
self.surroundingXIntersectionLists.append(surroundingXIntersections)
addSparseEndpoints(doubleExtrusionWidth, endpoints, fillLine, self.horizontalSegmentLists, layerInfillSolidity, removedEndpoints, self.solidSurfaceThickness, surroundingXIntersections)
else:
for fillLine in xrange(len(self.horizontalSegmentLists)):
addSparseEndpoints(doubleExtrusionWidth, endpoints, fillLine, self.horizontalSegmentLists, layerInfillSolidity, removedEndpoints, self.solidSurfaceThickness, None)
paths = euclidean.getPathsFromEndpoints(endpoints, 5.0 * self.layerExtrusionWidth, pixelTable, aroundWidth)
oldRemovedEndpointLength = len(removedEndpoints) + 1
while oldRemovedEndpointLength - len(removedEndpoints) > 0:
oldRemovedEndpointLength = len(removedEndpoints)
removeEndpoints(pixelTable, self.layerExtrusionWidth, paths, removedEndpoints, aroundWidth)
paths = euclidean.getConnectedPaths(paths, pixelTable, aroundWidth)
for path in paths:
addPathToInfillPaths(self.layerExtrusionWidth, infillPaths, path, layerRotation)
for nestedRing in nestedRings:
nestedRing.transferPaths(infillPaths)
self.addThreadsBridgeLayer(layerIndex, nestedRings, layer)
def fill(self, layer):
'Add fill to the carve layer.'
layerIndex = layer.index
alreadyFilledArounds = []
pixelTable = {}
arounds = []
betweenWidth = self.extrusionWidth / 1.7594801994 # this really sucks I cant find hwe#(self.repository.infillWidthOverThickness.value * self.extrusionWidth *(0.7853))/1.5 #- 0.0866#todo todo TODO *0.5 is the distance between the outer loops..
self.layerExtrusionWidth = self.infillWidth # spacing between fill lines
layerFillInset = self.infillWidth # the distance between perimeter incl loops and the fill pattern
layerRotation = self.getLayerRotation(layerIndex, layer)
reverseRotation = complex(layerRotation.real, -layerRotation.imag)
surroundingCarves = []
layerRemainder = layerIndex % self.diaphragmPeriod
extraShells = self.extraShellsSparseLayer
if layerRemainder >= self.diaphragmThickness and layer.bridgeRotation == None:
for surroundingIndex in xrange(1, self.solidSurfaceThickness + 1):
self.addRotatedCarve(layerIndex, -surroundingIndex,
reverseRotation, surroundingCarves)
self.addRotatedCarve(layerIndex, surroundingIndex,
reverseRotation, surroundingCarves)
if len(surroundingCarves) < self.doubleSolidSurfaceThickness:
extraShells = self.extraShellsAlternatingSolidLayer
if self.previousExtraShells != self.extraShellsBase:
extraShells = self.extraShellsBase
if layer.bridgeRotation != None:
extraShells = 0
betweenWidth *= self.bridgeWidthMultiplier #/0.7853 #todo check what is better with or without the normalizer
self.layerExtrusionWidth *= self.bridgeWidthMultiplier
layerFillInset *= self.bridgeWidthMultiplier
aroundInset = 0.25 * self.layerExtrusionWidth
aroundWidth = 0.25 * self.layerExtrusionWidth
self.previousExtraShells = extraShells
gridPointInsetX = 0.5 * layerFillInset
doubleExtrusionWidth = 2.0 * self.layerExtrusionWidth
endpoints = []
infillPaths = []
layerInfillSolidity = self.infillSolidity
self.isDoubleJunction = True
self.isJunctionWide = True
rotatedLoops = []
nestedRings = layer.nestedRings
createFillForSurroundings(nestedRings, betweenWidth, False)
for extraShellIndex in xrange(extraShells):
createFillForSurroundings(nestedRings, self.layerExtrusionWidth,
True)
fillLoops = euclidean.getFillOfSurroundings(nestedRings, None)
slightlyGreaterThanFill = 1.001 * layerFillInset #todo was 1.01 ACT 0.95 How much the parallel fill is filled
for loop in fillLoops:
alreadyFilledLoop = []
alreadyFilledArounds.append(alreadyFilledLoop)
planeRotatedPerimeter = euclidean.getPointsRoundZAxis(
reverseRotation, loop)
rotatedLoops.append(planeRotatedPerimeter)
centers = intercircle.getCentersFromLoop(planeRotatedPerimeter,
slightlyGreaterThanFill)
euclidean.addLoopToPixelTable(planeRotatedPerimeter, pixelTable,
aroundWidth)
for center in centers:
alreadyFilledInset = intercircle.getSimplifiedInsetFromClockwiseLoop(
center, layerFillInset)
if intercircle.isLargeSameDirection(alreadyFilledInset, center,
layerFillInset):
alreadyFilledLoop.append(alreadyFilledInset)
around = intercircle.getSimplifiedInsetFromClockwiseLoop(
center, aroundInset)
if euclidean.isPathInsideLoop(
planeRotatedPerimeter,
around) == euclidean.isWiddershins(
planeRotatedPerimeter):
around.reverse()
arounds.append(around)
euclidean.addLoopToPixelTable(around, pixelTable,
aroundWidth)
if len(arounds) < 1:
self.addThreadsBridgeLayer(layerIndex, nestedRings, layer)
return
back = euclidean.getBackOfLoops(arounds)
front = euclidean.getFrontOfLoops(arounds)
front = math.ceil(
front / self.layerExtrusionWidth) * self.layerExtrusionWidth
fillWidth = back - front
numberOfLines = int(math.ceil(fillWidth / self.layerExtrusionWidth))
self.frontOverWidth = 0.0
self.horizontalSegmentLists = euclidean.getHorizontalSegmentListsFromLoopLists(
alreadyFilledArounds, front, numberOfLines, rotatedLoops,
self.layerExtrusionWidth)
self.surroundingXIntersectionLists = []
self.yList = []
removedEndpoints = []
if len(surroundingCarves) >= self.doubleSolidSurfaceThickness:
xIntersectionIndexLists = []
self.frontOverWidth = euclidean.getFrontOverWidthAddXListYList(
front, surroundingCarves, numberOfLines,
xIntersectionIndexLists, self.layerExtrusionWidth, self.yList)
for fillLine in xrange(len(self.horizontalSegmentLists)):
xIntersectionIndexList = xIntersectionIndexLists[fillLine]
surroundingXIntersections = euclidean.getIntersectionOfXIntersectionIndexes(
self.doubleSolidSurfaceThickness, xIntersectionIndexList)
self.surroundingXIntersectionLists.append(
surroundingXIntersections)
addSparseEndpoints(doubleExtrusionWidth, endpoints, fillLine,
self.horizontalSegmentLists,
layerInfillSolidity, removedEndpoints,
self.solidSurfaceThickness,
surroundingXIntersections)
else:
for fillLine in xrange(len(self.horizontalSegmentLists)):
addSparseEndpoints(doubleExtrusionWidth, endpoints, fillLine,
self.horizontalSegmentLists,
layerInfillSolidity, removedEndpoints,
self.solidSurfaceThickness, None)
paths = euclidean.getPathsFromEndpoints(endpoints,
5.0 * self.layerExtrusionWidth,
pixelTable, aroundWidth)
oldRemovedEndpointLength = len(removedEndpoints) + 1
while oldRemovedEndpointLength - len(removedEndpoints) > 0:
oldRemovedEndpointLength = len(removedEndpoints)
removeEndpoints(pixelTable, self.layerExtrusionWidth, paths,
removedEndpoints, aroundWidth)
paths = euclidean.getConnectedPaths(paths, pixelTable, aroundWidth)
for path in paths:
addPathToInfillPaths(self.layerExtrusionWidth, infillPaths, path,
layerRotation)
for nestedRing in nestedRings:
nestedRing.transferPaths(infillPaths)
self.addThreadsBridgeLayer(layerIndex, nestedRings, layer)