def helicalMove(self, isCounterclockwise, splitLine):
"Get statistics for a helical move."
if self.oldLocation == None:
return
location = self.getLocationSetFeedRateToSplitLine(splitLine)
location += self.oldLocation
center = self.oldLocation.copy()
indexOfR = gcodec.getIndexOfStartingWithSecond("R", splitLine)
if indexOfR > 0:
radius = gcodec.getDoubleAfterFirstLetter(splitLine[indexOfR])
halfLocationMinusOld = location - self.oldLocation
halfLocationMinusOld *= 0.5
halfLocationMinusOldLength = halfLocationMinusOld.magnitude()
centerMidpointDistanceSquared = radius * radius - halfLocationMinusOldLength * halfLocationMinusOldLength
centerMidpointDistance = math.sqrt(
max(centerMidpointDistanceSquared, 0.0))
centerMinusMidpoint = euclidean.getRotatedWiddershinsQuarterAroundZAxis(
halfLocationMinusOld)
centerMinusMidpoint.normalize()
centerMinusMidpoint *= centerMidpointDistance
if isCounterclockwise:
center.setToVector3(halfLocationMinusOld + centerMinusMidpoint)
else:
center.setToVector3(halfLocationMinusOld - centerMinusMidpoint)
else:
center.x = gcodec.getDoubleForLetter("I", splitLine)
center.y = gcodec.getDoubleForLetter("J", splitLine)
curveSection = 0.5
center += self.oldLocation
afterCenterSegment = location - center
beforeCenterSegment = self.oldLocation - center
afterCenterDifferenceAngle = euclidean.getAngleAroundZAxisDifference(
afterCenterSegment, beforeCenterSegment)
absoluteDifferenceAngle = abs(afterCenterDifferenceAngle)
steps = int(
round(0.5 + max(
absoluteDifferenceAngle * 2.4,
absoluteDifferenceAngle * beforeCenterSegment.magnitude() /
curveSection)))
stepPlaneAngle = euclidean.getWiddershinsUnitPolar(
afterCenterDifferenceAngle / steps)
zIncrement = (afterCenterSegment.z -
beforeCenterSegment.z) / float(steps)
for step in xrange(1, steps):
beforeCenterSegment = euclidean.getRoundZAxisByPlaneAngle(
stepPlaneAngle, beforeCenterSegment)
beforeCenterSegment.z += zIncrement
arcPoint = center + beforeCenterSegment
self.addToPath(arcPoint)
self.addToPath(location)
def helicalMove(self, isCounterclockwise, splitLine):
"Get statistics for a helical move."
if self.oldLocation == None:
return
location = self.getLocationSetFeedRateToSplitLine(splitLine)
location += self.oldLocation
center = self.oldLocation.copy()
indexOfR = gcodec.indexOfStartingWithSecond("R", splitLine)
if indexOfR > 0:
radius = gcodec.getDoubleAfterFirstLetter(splitLine[indexOfR])
halfLocationMinusOld = location - self.oldLocation
halfLocationMinusOld *= 0.5
halfLocationMinusOldLength = halfLocationMinusOld.magnitude()
centerMidpointDistanceSquared = radius * radius - halfLocationMinusOldLength * halfLocationMinusOldLength
centerMidpointDistance = math.sqrt(max(centerMidpointDistanceSquared, 0.0))
centerMinusMidpoint = euclidean.getRotatedWiddershinsQuarterAroundZAxis(halfLocationMinusOld)
centerMinusMidpoint.normalize()
centerMinusMidpoint *= centerMidpointDistance
if isCounterclockwise:
center.setToVector3(halfLocationMinusOld + centerMinusMidpoint)
else:
center.setToVector3(halfLocationMinusOld - centerMinusMidpoint)
else:
center.x = gcodec.getDoubleForLetter("I", splitLine)
center.y = gcodec.getDoubleForLetter("J", splitLine)
curveSection = 0.5
center += self.oldLocation
afterCenterSegment = location - center
beforeCenterSegment = self.oldLocation - center
afterCenterDifferenceAngle = euclidean.getAngleAroundZAxisDifference(afterCenterSegment, beforeCenterSegment)
absoluteDifferenceAngle = abs(afterCenterDifferenceAngle)
steps = int(
round(
0.5
+ max(
absoluteDifferenceAngle * 2.4,
absoluteDifferenceAngle * beforeCenterSegment.magnitude() / curveSection,
)
)
)
stepPlaneAngle = euclidean.getWiddershinsUnitPolar(afterCenterDifferenceAngle / steps)
zIncrement = (afterCenterSegment.z - beforeCenterSegment.z) / float(steps)
for step in xrange(1, steps):
beforeCenterSegment = euclidean.getRoundZAxisByPlaneAngle(stepPlaneAngle, beforeCenterSegment)
beforeCenterSegment.z += zIncrement
arcPoint = center + beforeCenterSegment
self.addToPath(arcPoint)
self.addToPath(location)
def getReturnValue(self, point): "Get return value." if self.function == None: return point self.function.localDictionary['azimuth'] = math.degrees( math.atan2( point.y, point.x ) ) self.function.localDictionary['radius'] = abs( point.dropAxis() ) if self.revolutions != None: if len( self.points ) > 0: self.revolutions += 0.5 / math.pi * euclidean.getAngleAroundZAxisDifference( point, self.points[-1] ) self.function.localDictionary['revolutions'] = self.revolutions self.function.localDictionary['vertex'] = point self.function.localDictionary['vertexes'] = self.points self.function.localDictionary['vertexindex'] = len( self.points ) self.function.localDictionary['x'] = point.x self.function.localDictionary['y'] = point.y self.function.localDictionary['z'] = point.z self.points.append(point) return self.function.getReturnValueWithoutDeletion()
def getReturnValue(self, point):
"Get return value."
if self.function == None:
return point
self.function.localDictionary["azimuth"] = math.degrees(math.atan2(point.y, point.x))
self.function.localDictionary["radius"] = abs(point.dropAxis())
if self.revolutions != None:
if len(self.points) > 0:
self.revolutions += 0.5 / math.pi * euclidean.getAngleAroundZAxisDifference(point, self.points[-1])
self.function.localDictionary["revolutions"] = self.revolutions
self.function.localDictionary["vertex"] = point
self.function.localDictionary["vertexes"] = self.points
self.function.localDictionary["vertexindex"] = len(self.points)
self.function.localDictionary["x"] = point.x
self.function.localDictionary["y"] = point.y
self.function.localDictionary["z"] = point.z
self.points.append(point)
return self.function.getReturnValueWithoutDeletion()
def getReturnValue(self, point, revolutions): "Get return value." if self.function == None: return point self.function.localDictionary['azimuth'] = math.degrees(math.atan2(point.y, point.x)) if len(self.points) > 0: self.distance += abs(point - self.points[-1]) self.function.localDictionary['distance'] = self.distance self.function.localDictionary['radius'] = abs(point.dropAxis()) if revolutions != None: if len( self.points ) > 0: revolutions += 0.5 / math.pi * euclidean.getAngleAroundZAxisDifference(point, self.points[-1]) self.function.localDictionary['revolutions'] = revolutions self.function.localDictionary['vertex'] = point self.function.localDictionary['vertexes'] = self.points self.function.localDictionary['vertexindex'] = len(self.points) self.function.localDictionary['x'] = point.x self.function.localDictionary['y'] = point.y self.function.localDictionary['z'] = point.z self.points.append(point) return self.function.getReturnValueWithoutDeletion()
