def getLayerRoundZ(self, layerIndex):
"Get the plane angle around z that the layer is rotated by."
rotation = self.rotatedLayers[layerIndex].rotation
if rotation != None:
return rotation
return euclidean.getPolar(
self.fillBeginRotation + float(
(layerIndex % 2) * self.fillOddLayerExtraRotation), 1.0)
def addArc( self, afterCenterDifferenceAngle, afterPoint, beforeCenterSegment, beforePoint, center ): "Add arc segments to the filleted skein." curveSection = 0.5 absoluteDifferenceAngle = abs( afterCenterDifferenceAngle ) steps = int( math.ceil( max( absoluteDifferenceAngle * 2.4, absoluteDifferenceAngle * beforeCenterSegment.length() / curveSection ) ) ) stepPlaneAngle = euclidean.getPolar( afterCenterDifferenceAngle / steps, 1.0 ) for step in range( 1, steps ): beforeCenterSegment = euclidean.getRoundZAxisByPlaneAngle( stepPlaneAngle, beforeCenterSegment ) arcPoint = center.plus( beforeCenterSegment ) self.addLinearMovePoint( arcPoint ) self.addLinearMovePoint( afterPoint )
def helicalMove(self, isCounterclockwise, splitLine):
"Get statistics for a helical move."
if self.oldLocation == None:
return
location = self.getLocationSetFeedrateToSplitLine(splitLine)
location.add(self.oldLocation)
center = Vec3().getFromVec3(self.oldLocation)
indexOfR = gcodec.indexOfStartingWithSecond("R", splitLine)
if indexOfR > 0:
radius = gcodec.getDoubleAfterFirstLetter(splitLine[indexOfR])
halfLocationMinusOld = location.minus(self.oldLocation)
halfLocationMinusOld.scale(0.5)
halfLocationMinusOldLength = halfLocationMinusOld.length()
centerMidpointDistance = math.sqrt(radius * radius -
halfLocationMinusOldLength *
halfLocationMinusOldLength)
centerMinusMidpoint = euclidean.getRotatedWiddershinsQuarterAroundZAxis(
halfLocationMinusOld)
centerMinusMidpoint.normalize()
centerMinusMidpoint.scale(centerMidpointDistance)
if isCounterclockwise:
center.setToVec3(
halfLocationMinusOld.plus(centerMinusMidpoint))
else:
center.setToVec3(
halfLocationMinusOld.minus(centerMinusMidpoint))
else:
center.x = gcodec.getDoubleForLetter("I", splitLine)
center.y = gcodec.getDoubleForLetter("J", splitLine)
curveSection = 0.5
center.add(self.oldLocation)
afterCenterSegment = location.minus(center)
beforeCenterSegment = self.oldLocation.minus(center)
afterCenterDifferenceAngle = euclidean.getAngleAroundZAxisDifference(
afterCenterSegment, beforeCenterSegment)
absoluteDifferenceAngle = abs(afterCenterDifferenceAngle)
steps = int(
round(0.5 + max(
absoluteDifferenceAngle * 2.4,
absoluteDifferenceAngle * beforeCenterSegment.length() /
curveSection)))
stepPlaneAngle = euclidean.getPolar(afterCenterDifferenceAngle / steps,
1.0)
zIncrement = (afterCenterSegment.z -
beforeCenterSegment.z) / float(steps)
for step in range(1, steps):
beforeCenterSegment = euclidean.getRoundZAxisByPlaneAngle(
stepPlaneAngle, beforeCenterSegment)
beforeCenterSegment.z += zIncrement
arcPoint = center.plus(beforeCenterSegment)
self.addToPath(arcPoint)
self.addToPath(location)
def addArc(self, afterCenterDifferenceAngle, afterPoint,
beforeCenterSegment, beforePoint, center):
"Add arc segments to the filleted skein."
curveSection = 0.5
absoluteDifferenceAngle = abs(afterCenterDifferenceAngle)
steps = int(
math.ceil(
max(
absoluteDifferenceAngle * 2.4,
absoluteDifferenceAngle * beforeCenterSegment.length() /
curveSection)))
stepPlaneAngle = euclidean.getPolar(afterCenterDifferenceAngle / steps,
1.0)
for step in range(1, steps):
beforeCenterSegment = euclidean.getRoundZAxisByPlaneAngle(
stepPlaneAngle, beforeCenterSegment)
arcPoint = center.plus(beforeCenterSegment)
self.addLinearMovePoint(arcPoint)
self.addLinearMovePoint(afterPoint)
def helicalMove( self, isCounterclockwise, splitLine ): "Get statistics for a helical move." if self.oldLocation == None: return location = self.getLocationSetFeedrateToSplitLine( splitLine ) location.add( self.oldLocation ) center = Vec3().getFromVec3( self.oldLocation ) indexOfR = gcodec.indexOfStartingWithSecond( "R", splitLine ) if indexOfR > 0: radius = gcodec.getDoubleAfterFirstLetter( splitLine[ indexOfR ] ) halfLocationMinusOld = location.minus( self.oldLocation ) halfLocationMinusOld.scale( 0.5 ) halfLocationMinusOldLength = halfLocationMinusOld.length() centerMidpointDistance = math.sqrt( radius * radius - halfLocationMinusOldLength * halfLocationMinusOldLength ) centerMinusMidpoint = euclidean.getRotatedWiddershinsQuarterAroundZAxis( halfLocationMinusOld ) centerMinusMidpoint.normalize() centerMinusMidpoint.scale( centerMidpointDistance ) if isCounterclockwise: center.setToVec3( halfLocationMinusOld.plus( centerMinusMidpoint ) ) else: center.setToVec3( halfLocationMinusOld.minus( centerMinusMidpoint ) ) else: center.x = gcodec.getDoubleForLetter( "I", splitLine ) center.y = gcodec.getDoubleForLetter( "J", splitLine ) curveSection = 0.5 center.add( self.oldLocation ) afterCenterSegment = location.minus( center ) beforeCenterSegment = self.oldLocation.minus( center ) afterCenterDifferenceAngle = euclidean.getAngleAroundZAxisDifference( afterCenterSegment, beforeCenterSegment ) absoluteDifferenceAngle = abs( afterCenterDifferenceAngle ) steps = int( round( 0.5 + max( absoluteDifferenceAngle * 2.4, absoluteDifferenceAngle * beforeCenterSegment.length() / curveSection ) ) ) stepPlaneAngle = euclidean.getPolar( afterCenterDifferenceAngle / steps, 1.0 ) zIncrement = ( afterCenterSegment.z - beforeCenterSegment.z ) / float( steps ) for step in range( 1, steps ): beforeCenterSegment = euclidean.getRoundZAxisByPlaneAngle( stepPlaneAngle, beforeCenterSegment ) beforeCenterSegment.z += zIncrement arcPoint = center.plus( beforeCenterSegment ) self.addToPath( arcPoint ) self.addToPath( location )
def getLayerRoundZ( self, layerIndex ): "Get the plane angle around z that the layer is rotated by." rotation = self.rotatedLayers[ layerIndex ].rotation if rotation != None: return rotation return euclidean.getPolar( self.fillBeginRotation + float( ( layerIndex % 2 ) * self.fillOddLayerExtraRotation ), 1.0 )