def addWiden(self, rotatedBoundaryLayer):
"Add widen to the layer."
loops = triangle_mesh.getLoopsInOrderOfArea(
triangle_mesh.compareAreaAscending, rotatedBoundaryLayer.loops)
widdershinsLoops = []
clockwiseInsetLoops = []
for loopIndex in xrange(len(loops)):
loop = loops[loopIndex]
if euclidean.isWiddershins(loop):
otherLoops = loops[:loopIndex] + loops[loopIndex + 1:]
leftPoint = euclidean.getLeftPoint(loop)
if euclidean.isPointInsideLoops(otherLoops, leftPoint):
self.distanceFeedRate.addGcodeFromLoop(
loop, rotatedBoundaryLayer.z)
else:
widdershinsLoops.append(loop)
else:
clockwiseInsetLoops += intercircle.getInsetLoopsFromLoop(
self.doublePerimeterWidth, loop)
self.distanceFeedRate.addGcodeFromLoop(loop,
rotatedBoundaryLayer.z)
for widdershinsLoop in widdershinsLoops:
outsetLoop = intercircle.getLargestInsetLoopFromLoop(
widdershinsLoop, -self.doublePerimeterWidth)
widenedLoop = getWidenedLoop(widdershinsLoop, clockwiseInsetLoops,
outsetLoop, self.perimeterWidth,
self.tinyRadius)
self.distanceFeedRate.addGcodeFromLoop(widenedLoop,
rotatedBoundaryLayer.z)
def getIsIntersectingWithinList( loop, loopList ): "Determine if the loop is intersecting or is within the loop list." leftPoint = euclidean.getLeftPoint( loop ) for otherLoop in loopList: if euclidean.getNumberOfIntersectionsToLeft( otherLoop, leftPoint ) % 2 == 1: return True return euclidean.isLoopIntersectingLoops( loop, loopList )
def isIntersectingWithinList( loop, loopList ): "Determine if the loop is intersecting or is within the loop list." if euclidean.isLoopIntersectingLoops( loop, loopList ): return True totalNumberOfIntersections = 0 for otherLoop in loopList: leftPoint = euclidean.getLeftPoint( otherLoop ) totalNumberOfIntersections += euclidean.getNumberOfIntersectionsToLeft( leftPoint, loop ) return totalNumberOfIntersections % 2 == 1
def isIntersectingWithinList(loop, loopList):
"Determine if the loop is intersecting or is within the loop list."
if euclidean.isLoopIntersectingLoops(loop, loopList):
return True
totalNumberOfIntersections = 0
for otherLoop in loopList:
leftPoint = euclidean.getLeftPoint(otherLoop)
totalNumberOfIntersections += euclidean.getNumberOfIntersectionsToLeft(
leftPoint, loop)
return totalNumberOfIntersections % 2 == 1
def getInsetSeparateLoopsFromLoops( inset, loops ): "Get the separate inset loops." isInset = inset > 0 insetSeparateLoops = [] radius = abs( inset ) arounds = getAroundsFromLoops( loops, radius ) for around in arounds: leftPoint = euclidean.getLeftPoint( around ) if isInset == euclidean.isInFilledRegion( loops, leftPoint ): around.reverse() insetSeparateLoops.append( around ) return insetSeparateLoops
def getInsetSeparateLoopsFromLoops(inset, loops, thresholdRatio=0.9):
"Get the separate inset loops."
isInset = inset > 0
insetSeparateLoops = []
radius = abs(inset)
arounds = getAroundsFromLoops(loops, radius, thresholdRatio)
for around in arounds:
leftPoint = euclidean.getLeftPoint(around)
if isInset == euclidean.isInFilledRegion(loops, leftPoint):
if isInset:
around.reverse()
insetSeparateLoops.append(around)
return insetSeparateLoops
def getInsetLoopsFromLoop( inset, loop, thresholdRatio = 0.9 ): "Get the inset loops, which might overlap." isInset = inset > 0 insetLoops = [] isLoopWiddershins = euclidean.isWiddershins( loop ) arounds = getAroundsFromLoop( loop, inset, thresholdRatio ) for around in arounds: leftPoint = euclidean.getLeftPoint( around ) shouldBeWithin = ( isInset == isLoopWiddershins ) if euclidean.isPointInsideLoop( loop, leftPoint ) == shouldBeWithin: if isLoopWiddershins != euclidean.isWiddershins( around ): around.reverse() insetLoops.append( around ) return insetLoops
def getInsetLoopsFromLoop(inset, loop, thresholdRatio=0.9):
"Get the inset loops, which might overlap."
isInset = inset > 0
insetLoops = []
isLoopWiddershins = euclidean.isWiddershins(loop)
arounds = getAroundsFromLoop(loop, inset, thresholdRatio)
for around in arounds:
leftPoint = euclidean.getLeftPoint(around)
shouldBeWithin = (isInset == isLoopWiddershins)
if euclidean.isPointInsideLoop(loop, leftPoint) == shouldBeWithin:
if isLoopWiddershins != euclidean.isWiddershins(around):
around.reverse()
insetLoops.append(around)
return insetLoops
def getLoopsFromMesh( self, z ): "Get loops from a carve of a mesh." originalLoops = [] if self.isCorrectMesh: originalLoops = getLoopsFromCorrectMesh( self.edges, self.faces, self.vertices, z ) if len( originalLoops ) < 1: originalLoops = getLoopsFromUnprovenMesh( self.edges, self.faces, self.importRadius, self.vertices, z ) loops = getLoopsInOrderOfArea( compareAreaDescending, euclidean.getSimplifiedLoops( originalLoops, self.importRadius ) ) for loopIndex in xrange( len( loops ) ): loop = loops[ loopIndex ] leftPoint = euclidean.getLeftPoint( loop ) isInFilledRegion = euclidean.isInFilledRegion( loops[ : loopIndex ] + loops[ loopIndex + 1 : ], leftPoint ) if isInFilledRegion == euclidean.isWiddershins( loop ): loop.reverse() return loops
def addWiden( self, rotatedBoundaryLayer ): "Add widen to the layer." loops = triangle_mesh.getLoopsInOrderOfArea( triangle_mesh.compareAreaAscending, rotatedBoundaryLayer.loops ) widdershinsLoops = [] clockwiseInsetLoops = [] for loopIndex in xrange( len( loops ) ): loop = loops[ loopIndex ] if euclidean.isWiddershins( loop ): otherLoops = loops[ : loopIndex ] + loops[ loopIndex + 1 : ] leftPoint = euclidean.getLeftPoint( loop ) if euclidean.isPointInsideLoops( otherLoops, leftPoint ): self.distanceFeedRate.addGcodeFromLoop( loop, rotatedBoundaryLayer.z ) else: widdershinsLoops.append( loop ) else: clockwiseInsetLoops += intercircle.getInsetLoopsFromLoop( self.doublePerimeterWidth, loop ) self.distanceFeedRate.addGcodeFromLoop( loop, rotatedBoundaryLayer.z ) for widdershinsLoop in widdershinsLoops: outsetLoop = intercircle.getLargestInsetLoopFromLoop( widdershinsLoop, - self.doublePerimeterWidth ) widenedLoop = getWidenedLoop( widdershinsLoop, clockwiseInsetLoops, outsetLoop, self.perimeterWidth, self.tinyRadius ) self.distanceFeedRate.addGcodeFromLoop( widenedLoop, rotatedBoundaryLayer.z )
def getLoopsFromMesh( self, z ): "Get loops from a carve of a mesh." originalLoops = [] if self.isCorrectMesh: originalLoops = getLoopsFromCorrectMesh( self.edges, self.faces, self.vertices, z ) if len( originalLoops ) < 1: originalLoops = getLoopsFromUnprovenMesh( self.edges, self.faces, self.importRadius, self.vertices, z ) simplifiedLoops = [] for originalLoop in originalLoops: simplifiedLoops.append( euclidean.getSimplifiedLoop( originalLoop, self.importRadius ) ) loops = getLoopsInDescendingOrderOfArea( simplifiedLoops ) for loopIndex in xrange( len( loops ) ): loop = loops[ loopIndex ] leftPoint = euclidean.getLeftPoint( loop ) totalNumberOfIntersectionsToLeft = 0 for otherLoop in loops[ : loopIndex ] + loops[ loopIndex + 1 : ]: totalNumberOfIntersectionsToLeft += euclidean.getNumberOfIntersectionsToLeft( leftPoint, otherLoop ) loopIsWiddershins = euclidean.isWiddershins( loop ) isEven = totalNumberOfIntersectionsToLeft % 2 == 0 if isEven != loopIsWiddershins: loop.reverse() return loops
