def splitPointGetAfter(self, location, nextLocation):
"Bevel a point and return the end of the bevel. should get complex for radius"
if self.filletRadius < 2.0 * self.minimumRadius:
return location
afterSegment = nextLocation - location
afterSegmentComplex = afterSegment.dropAxis(2)
afterSegmentComplexLength = abs(afterSegmentComplex)
thirdAfterSegmentLength = 0.333 * afterSegmentComplexLength
if thirdAfterSegmentLength < self.minimumRadius:
return location
beforeSegment = self.oldLocation - location
beforeSegmentComplex = beforeSegment.dropAxis(2)
beforeSegmentComplexLength = abs(beforeSegmentComplex)
thirdBeforeSegmentLength = 0.333 * beforeSegmentComplexLength
if thirdBeforeSegmentLength < self.minimumRadius:
return location
extruderOffReversalPoint = self.getExtruderOffReversalPoint(
afterSegment, afterSegmentComplex, beforeSegment,
beforeSegmentComplex, location)
if extruderOffReversalPoint != None:
return extruderOffReversalPoint
bevelRadius = min(thirdAfterSegmentLength, self.filletRadius)
bevelRadius = min(thirdBeforeSegmentLength, bevelRadius)
self.shouldAddLine = False
beforePoint = euclidean.getPointPlusSegmentWithLength(
bevelRadius * abs(beforeSegment) / beforeSegmentComplexLength,
location, beforeSegment)
self.addLinearMovePoint(self.feedRateMinute, beforePoint)
afterPoint = euclidean.getPointPlusSegmentWithLength(
bevelRadius * abs(afterSegment) / afterSegmentComplexLength,
location, afterSegment)
self.addLinearMovePoint(self.getCornerFeedRate(), afterPoint)
return afterPoint
def getExtruderOffReversalPoint(self, afterSegment, afterSegmentComplex,
beforeSegment, beforeSegmentComplex,
location):
"If the extruder is off and the path is reversing, add intermediate slow points."
if self.filletRepository.reversalSlowdownDistanceOverPerimeterWidth.value < 0.1:
return None
if self.extruderActive:
return None
reversalBufferSlowdownDistance = self.reversalSlowdownDistance * 2.0
afterSegmentComplexLength = abs(afterSegmentComplex)
if afterSegmentComplexLength < reversalBufferSlowdownDistance:
return None
beforeSegmentComplexLength = abs(beforeSegmentComplex)
if beforeSegmentComplexLength < reversalBufferSlowdownDistance:
return None
afterSegmentComplexNormalized = afterSegmentComplex / afterSegmentComplexLength
beforeSegmentComplexNormalized = beforeSegmentComplex / beforeSegmentComplexLength
if euclidean.getDotProduct(afterSegmentComplexNormalized,
beforeSegmentComplexNormalized) < 0.95:
return None
slowdownFeedRate = self.feedRateMinute * 0.5
self.shouldAddLine = False
beforePoint = euclidean.getPointPlusSegmentWithLength(
self.reversalSlowdownDistance * abs(beforeSegment) /
beforeSegmentComplexLength, location, beforeSegment)
self.addLinearMovePoint(self.feedRateMinute, beforePoint)
self.addLinearMovePoint(slowdownFeedRate, location)
afterPoint = euclidean.getPointPlusSegmentWithLength(
self.reversalSlowdownDistance * abs(afterSegment) /
afterSegmentComplexLength, location, afterSegment)
self.addLinearMovePoint(slowdownFeedRate, afterPoint)
return afterPoint
def splitPointGetAfter( self, location, nextLocation ): "Bevel a point and return the end of the bevel. should get complex for radius" if self.filletRadius < 2.0 * self.minimumRadius: return location afterSegment = nextLocation - location afterSegmentComplex = afterSegment.dropAxis() afterSegmentComplexLength = abs( afterSegmentComplex ) thirdAfterSegmentLength = 0.333 * afterSegmentComplexLength if thirdAfterSegmentLength < self.minimumRadius: return location beforeSegment = self.oldLocation - location beforeSegmentComplex = beforeSegment.dropAxis() beforeSegmentComplexLength = abs( beforeSegmentComplex ) thirdBeforeSegmentLength = 0.333 * beforeSegmentComplexLength if thirdBeforeSegmentLength < self.minimumRadius: return location extruderOffReversalPoint = self.getExtruderOffReversalPoint( afterSegment, afterSegmentComplex, beforeSegment, beforeSegmentComplex, location ) if extruderOffReversalPoint != None: return extruderOffReversalPoint bevelRadius = min( thirdAfterSegmentLength, self.filletRadius ) bevelRadius = min( thirdBeforeSegmentLength, bevelRadius ) self.shouldAddLine = False beforePoint = euclidean.getPointPlusSegmentWithLength( bevelRadius * abs( beforeSegment ) / beforeSegmentComplexLength, location, beforeSegment ) self.addLinearMovePoint( self.feedRateMinute, beforePoint ) afterPoint = euclidean.getPointPlusSegmentWithLength( bevelRadius * abs( afterSegment ) / afterSegmentComplexLength, location, afterSegment ) self.addLinearMovePoint( self.getCornerFeedRate(), afterPoint ) return afterPoint
def getExtruderOffReversalPoint( self, afterSegment, afterSegmentComplex, beforeSegment, beforeSegmentComplex, location ): "If the extruder is off and the path is reversing, add intermediate slow points." if self.repository.reversalSlowdownDistanceOverEdgeWidth.value < 0.1: return None if self.extruderActive: return None reversalBufferSlowdownDistance = self.reversalSlowdownDistance * 2.0 afterSegmentComplexLength = abs( afterSegmentComplex ) if afterSegmentComplexLength < reversalBufferSlowdownDistance: return None beforeSegmentComplexLength = abs( beforeSegmentComplex ) if beforeSegmentComplexLength < reversalBufferSlowdownDistance: return None afterSegmentComplexNormalized = afterSegmentComplex / afterSegmentComplexLength beforeSegmentComplexNormalized = beforeSegmentComplex / beforeSegmentComplexLength if euclidean.getDotProduct( afterSegmentComplexNormalized, beforeSegmentComplexNormalized ) < 0.95: return None slowdownFeedRate = self.feedRateMinute * 0.5 self.shouldAddLine = False beforePoint = euclidean.getPointPlusSegmentWithLength( self.reversalSlowdownDistance * abs( beforeSegment ) / beforeSegmentComplexLength, location, beforeSegment ) self.addLinearMovePoint( self.feedRateMinute, beforePoint ) self.addLinearMovePoint( slowdownFeedRate, location ) afterPoint = euclidean.getPointPlusSegmentWithLength( self.reversalSlowdownDistance * abs( afterSegment ) / afterSegmentComplexLength, location, afterSegment ) self.addLinearMovePoint( slowdownFeedRate, afterPoint ) return afterPoint
def splitPointGetAfter(self, location, nextLocation):
"Fillet a point into arc segments and return the end of the last segment."
if self.filletRadius < 2.0 * self.minimumRadius:
return location
afterSegment = nextLocation - location
afterSegmentComplex = afterSegment.dropAxis(2)
thirdAfterSegmentLength = 0.333 * abs(afterSegmentComplex)
if thirdAfterSegmentLength < self.minimumRadius:
return location
beforeSegment = self.oldLocation - location
beforeSegmentComplex = beforeSegment.dropAxis(2)
thirdBeforeSegmentLength = 0.333 * abs(beforeSegmentComplex)
if thirdBeforeSegmentLength < self.minimumRadius:
return location
extruderOffReversalPoint = self.getExtruderOffReversalPoint(
afterSegment, afterSegmentComplex, beforeSegment,
beforeSegmentComplex, location)
if extruderOffReversalPoint != None:
return extruderOffReversalPoint
bevelRadius = min(thirdAfterSegmentLength, self.filletRadius)
bevelRadius = min(thirdBeforeSegmentLength, bevelRadius)
self.shouldAddLine = False
beforePoint = euclidean.getPointPlusSegmentWithLength(
bevelRadius * abs(beforeSegment) / abs(beforeSegmentComplex),
location, beforeSegment)
self.addLinearMovePoint(self.feedRateMinute, beforePoint)
afterPoint = euclidean.getPointPlusSegmentWithLength(
bevelRadius * abs(afterSegment) / abs(afterSegmentComplex),
location, afterSegment)
afterPointComplex = afterPoint.dropAxis(2)
beforePointComplex = beforePoint.dropAxis(2)
locationComplex = location.dropAxis(2)
midPoint = 0.5 * (afterPoint + beforePoint)
midPointComplex = midPoint.dropAxis(2)
midPointMinusLocationComplex = midPointComplex - locationComplex
midPointLocationLength = abs(midPointMinusLocationComplex)
if midPointLocationLength < 0.01 * self.filletRadius:
self.addLinearMovePoint(self.getCornerFeedRate(), afterPoint)
return afterPoint
midPointAfterPointLength = abs(midPointComplex - afterPointComplex)
midPointCenterLength = midPointAfterPointLength * midPointAfterPointLength / midPointLocationLength
radius = math.sqrt(midPointCenterLength * midPointCenterLength +
midPointAfterPointLength * midPointAfterPointLength)
centerComplex = midPointComplex + midPointMinusLocationComplex * midPointCenterLength / midPointLocationLength
center = Vector3(centerComplex.real, centerComplex.imag, midPoint.z)
afterCenterComplex = afterPointComplex - centerComplex
beforeMinusCenterCenterComplex = beforePointComplex - centerComplex
beforeCenter = beforePoint - center
beforeCenterComplex = beforeCenter.dropAxis(2)
subtractComplexMirror = complex(beforeCenterComplex.real,
-beforeCenterComplex.imag)
differenceComplex = subtractComplexMirror * afterCenterComplex
differenceAngle = math.atan2(differenceComplex.imag,
differenceComplex.real)
self.addArc(differenceAngle, afterPoint, beforeCenter, beforePoint,
center)
return afterPoint
def splitPointGetAfter(self, location, nextLocation):
"Fillet a point into arc segments and return the end of the last segment."
if self.filletRadius < 2.0 * self.minimumRadius:
return location
afterSegment = nextLocation - location
afterSegmentComplex = afterSegment.dropAxis(2)
thirdAfterSegmentLength = 0.333 * abs(afterSegmentComplex)
if thirdAfterSegmentLength < self.minimumRadius:
return location
beforeSegment = self.oldLocation - location
beforeSegmentComplex = beforeSegment.dropAxis(2)
thirdBeforeSegmentLength = 0.333 * abs(beforeSegmentComplex)
if thirdBeforeSegmentLength < self.minimumRadius:
return location
extruderOffReversalPoint = self.getExtruderOffReversalPoint(
afterSegment, afterSegmentComplex, beforeSegment, beforeSegmentComplex, location
)
if extruderOffReversalPoint != None:
return extruderOffReversalPoint
bevelRadius = min(thirdAfterSegmentLength, self.filletRadius)
bevelRadius = min(thirdBeforeSegmentLength, bevelRadius)
self.shouldAddLine = False
beforePoint = euclidean.getPointPlusSegmentWithLength(
bevelRadius * abs(beforeSegment) / abs(beforeSegmentComplex), location, beforeSegment
)
self.addLinearMovePoint(self.feedRateMinute, beforePoint)
afterPoint = euclidean.getPointPlusSegmentWithLength(
bevelRadius * abs(afterSegment) / abs(afterSegmentComplex), location, afterSegment
)
afterPointComplex = afterPoint.dropAxis(2)
beforePointComplex = beforePoint.dropAxis(2)
locationComplex = location.dropAxis(2)
midpoint = 0.5 * (afterPoint + beforePoint)
midpointComplex = midpoint.dropAxis(2)
midpointMinusLocationComplex = midpointComplex - locationComplex
midpointLocationLength = abs(midpointMinusLocationComplex)
if midpointLocationLength < 0.01 * self.filletRadius:
self.addLinearMovePoint(self.getCornerFeedRate(), afterPoint)
return afterPoint
midpointAfterPointLength = abs(midpointComplex - afterPointComplex)
midpointCenterLength = midpointAfterPointLength * midpointAfterPointLength / midpointLocationLength
radius = math.sqrt(
midpointCenterLength * midpointCenterLength + midpointAfterPointLength * midpointAfterPointLength
)
centerComplex = midpointComplex + midpointMinusLocationComplex * midpointCenterLength / midpointLocationLength
center = Vector3(centerComplex.real, centerComplex.imag, midpoint.z)
afterCenterComplex = afterPointComplex - centerComplex
beforeCenter = beforePoint - center
angleDifference = euclidean.getAngleDifferenceByComplex(afterCenterComplex, beforeCenter.dropAxis())
self.addArc(angleDifference, afterPoint, beforeCenter, beforePoint, center)
return afterPoint