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(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 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):
"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 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." afterSegment = nextLocation - location afterSegmentLength = afterSegment.magnitude() afterSegmentExtension = 0.5 * afterSegmentLength if afterSegmentExtension == 0.0: return location beforeSegment = self.oldLocation - location beforeSegmentLength = beforeSegment.magnitude() if beforeSegmentLength == 0.0: return location radius = self.filletRadius afterSegmentNormalized = afterSegment / afterSegmentLength beforeSegmentNormalized = beforeSegment / beforeSegmentLength betweenCenterDotNormalized = afterSegmentNormalized + beforeSegmentNormalized if betweenCenterDotNormalized.magnitude() < 0.01 * self.filletRadius: return location extruderOffReversalPoint = self.getExtruderOffReversalPoint( afterSegment, beforeSegment, location ) if extruderOffReversalPoint != None: return extruderOffReversalPoint betweenCenterDotNormalized.normalize() beforeSegmentNormalizedWiddershins = euclidean.getRotatedWiddershinsQuarterAroundZAxis( beforeSegmentNormalized ) betweenAfterPlaneDot = abs( euclidean.getPlaneDot( betweenCenterDotNormalized, beforeSegmentNormalizedWiddershins ) ) centerDotDistance = radius / betweenAfterPlaneDot bevelLength = math.sqrt( centerDotDistance * centerDotDistance - radius * radius ) radiusOverBevelLength = radius / bevelLength bevelLength = min( bevelLength, radius ) bevelLength = min( afterSegmentExtension, bevelLength ) beforePoint = self.oldLocation if beforeSegmentLength < bevelLength: bevelLength = beforeSegmentLength else: beforePoint = euclidean.getPointPlusSegmentWithLength( bevelLength, location, beforeSegment ) self.addLinearMovePoint( self.feedrateMinute, beforePoint ) self.shouldAddLine = False afterPoint = euclidean.getPointPlusSegmentWithLength( bevelLength, location, afterSegment ) radius = bevelLength * radiusOverBevelLength centerDotDistance = radius / betweenAfterPlaneDot center = location + betweenCenterDotNormalized * centerDotDistance afterCenterSegment = afterPoint - center beforeCenterSegment = beforePoint - center afterCenterDifferenceAngle = euclidean.getAngleAroundZAxisDifference( afterCenterSegment, beforeCenterSegment ) self.addArc( afterCenterDifferenceAngle, afterPoint, beforeCenterSegment, beforePoint, center ) return afterPoint
def splitPointGetAfter( self, location, nextLocation ): "Bevel a point and return the end of the bevel." bevelLength = 0.5 * self.filletRadius beforeSegment = self.oldLocation - location halfBeforeSegmentLength = 0.5 * beforeSegment.magnitude() if halfBeforeSegmentLength <= 0.0: return location afterSegment = nextLocation - location afterSegmentExtension = 0.333 * afterSegment.magnitude() if afterSegmentExtension <= 0.0: return location extruderOffReversalPoint = self.getExtruderOffReversalPoint( afterSegment, beforeSegment, location ) if extruderOffReversalPoint != None: return extruderOffReversalPoint bevelLength = min( afterSegmentExtension, bevelLength ) self.shouldAddLine = False if halfBeforeSegmentLength < bevelLength: bevelLength = halfBeforeSegmentLength else: beforePoint = euclidean.getPointPlusSegmentWithLength( bevelLength, location, beforeSegment ) self.addLinearMovePoint( self.getCornerFeedrate(), beforePoint ) afterPoint = euclidean.getPointPlusSegmentWithLength( bevelLength, location, afterSegment ) self.addLinearMovePoint( self.feedrateMinute, afterPoint ) return afterPoint
def getExtruderOffReversalPoint( self, afterSegment, beforeSegment, location ): "If the extruder is off and the path is reversing, add intermediate slow points." if self.reversalSlowdownDistance < 0.1: return None reversalBufferSlowdownDistance = self.reversalSlowdownDistance * 1.2 if afterSegment.magnitude() < reversalBufferSlowdownDistance: return None if beforeSegment.magnitude() < reversalBufferSlowdownDistance: return None afterSegmentNormalized = afterSegment / afterSegment.magnitude() beforeSegmentNormalized = beforeSegment / beforeSegment.magnitude() planeDot = euclidean.getPlaneDot( beforeSegmentNormalized, afterSegmentNormalized ) if self.extruderActive: return None if planeDot < 0.95: return None slowdownFeedrate = self.feedrateMinute * 0.333333333 self.shouldAddLine = False beforePoint = euclidean.getPointPlusSegmentWithLength( self.reversalSlowdownDistance, location, beforeSegment ) self.addLinearMovePoint( self.feedrateMinute, beforePoint ) self.addLinearMovePoint( slowdownFeedrate, location ) afterPoint = euclidean.getPointPlusSegmentWithLength( self.reversalSlowdownDistance, 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, beforeSegment, 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 ) # self.addLinearMovePoint( self.feedRateMinute, afterPoint ) 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 # afterSegment = nextLocation - location afterSegmentLength = afterSegment.magnitude() afterSegmentExtension = 0.5 * afterSegmentLength if afterSegmentExtension == 0.0: return location beforeSegment = self.oldLocation - location beforeSegmentLength = beforeSegment.magnitude() if beforeSegmentLength == 0.0: return location radius = self.filletRadius afterSegmentNormalized = afterSegment / afterSegmentLength beforeSegmentNormalized = beforeSegment / beforeSegmentLength betweenCenterDotNormalized = afterSegmentNormalized + beforeSegmentNormalized if betweenCenterDotNormalized.magnitude() < 0.01 * self.filletRadius: return location extruderOffReversalPoint = self.getExtruderOffReversalPoint( afterSegment, beforeSegment, location ) if extruderOffReversalPoint != None: return extruderOffReversalPoint betweenCenterDotNormalized.normalize() beforeSegmentNormalizedWiddershins = euclidean.getRotatedWiddershinsQuarterAroundZAxis( beforeSegmentNormalized ) betweenAfterPlaneDot = abs( euclidean.getPlaneDot( betweenCenterDotNormalized, beforeSegmentNormalizedWiddershins ) ) if betweenAfterPlaneDot <= 0.0: return nextLocation centerDotDistance = radius / betweenAfterPlaneDot bevelLength = math.sqrt( centerDotDistance * centerDotDistance - radius * radius ) radiusOverBevelLength = radius / bevelLength bevelLength = min( bevelLength, radius ) bevelLength = min( afterSegmentExtension, bevelLength ) beforePoint = self.oldLocation if beforeSegmentLength < bevelLength: bevelLength = beforeSegmentLength else: beforePoint = euclidean.getPointPlusSegmentWithLength( bevelLength, location, beforeSegment ) self.addLinearMovePoint( self.feedRateMinute, beforePoint ) self.shouldAddLine = False afterPoint = euclidean.getPointPlusSegmentWithLength( bevelLength, location, afterSegment ) radius = bevelLength * radiusOverBevelLength centerDotDistance = radius / betweenAfterPlaneDot center = location + betweenCenterDotNormalized * centerDotDistance afterCenterSegment = afterPoint - center beforeCenterSegment = beforePoint - center afterCenterDifferenceAngle = euclidean.getAngleAroundZAxisDifference( afterCenterSegment, beforeCenterSegment ) if afterCenterDifferenceAngle <= 0.0: self.addLinearMovePoint( self.getCornerFeedRate(), afterPoint ) return afterPoint self.addArc( afterCenterDifferenceAngle, afterPoint, beforeCenterSegment, beforePoint, center ) print( 'center' ) print( center ) print( afterCenterDifferenceAngle ) print( centerComplex ) print( differenceAngle ) return afterPoint