def getOutputCylinder(gearDerivation, pitchRadius, shaftRimRadius, teeth,
twist, vector3GearProfile, vector3ShaftPath, xmlElement):
"Get extrude output for a cylinder gear."
vector3LighteningHoles = getLighteningHoles(gearDerivation, pitchRadius,
shaftRimRadius, teeth)
extrudeDerivation = extrude.ExtrudeDerivation()
extrudeDerivation.offsetPathDefault = [
Vector3(), Vector3(0.0, 0.0, gearDerivation.thickness)
]
extrudeDerivation.setToXMLElement(xmlElement)
negatives = []
positives = []
extrude.addNegativesPositives(extrudeDerivation, negatives,
vector3LighteningHoles + [vector3ShaftPath],
positives)
if twist != 0.0:
twistDegrees = math.degrees(twist)
extrudeDerivation.twistPathDefault = []
for complexPoint in getHelixComplexPath(gearDerivation, xmlElement):
extrudeDerivation.twistPathDefault.append(
Vector3(complexPoint.real, twistDegrees * complexPoint.imag))
extrude.insertTwistPortions(extrudeDerivation, xmlElement)
extrude.addNegativesPositives(extrudeDerivation, negatives,
[vector3GearProfile], positives)
return extrude.getGeometryOutputByNegativesPositives(
extrudeDerivation, negatives, positives, xmlElement)
def addLighteningHoles(derivation, gearHolePaths, negatives, pitchRadius, positives): "Add lightening holes." extrudeDerivation = extrude.ExtrudeDerivation() positiveVertexes = matrix.getVertexes(positives) bottomPath = euclidean.getTopPath(positiveVertexes) topPath = euclidean.getBottomPath(positiveVertexes) extrudeDerivation.offsetPathDefault = [Vector3(0.0, 0.0, bottomPath), Vector3(0.0, 0.0, topPath)] extrudeDerivation.setToXMLElement(derivation.copyShallow) vector3LighteningHoles = getLighteningHoles(derivation, gearHolePaths, pitchRadius) extrude.addNegativesPositives(extrudeDerivation, negatives, vector3LighteningHoles, positives)
def addLighteningHoles(derivation, gearHolePaths, negatives, pitchRadius, positives): "Add lightening holes." positiveVertexes = matrix.getVertexes(positives) bottomPath = euclidean.getTopPath(positiveVertexes) topPath = euclidean.getBottomPath(positiveVertexes) copyShallow = derivation.xmlElement.getCopyShallow() copyShallow.attributeDictionary['path'] = [Vector3(0.0, 0.0, bottomPath), Vector3(0.0, 0.0, topPath)] extrudeDerivation = extrude.ExtrudeDerivation(copyShallow) vector3LighteningHoles = getLighteningHoles(derivation, gearHolePaths, pitchRadius) extrude.addNegativesPositives(extrudeDerivation, negatives, vector3LighteningHoles, positives)
def addShaft(derivation, negatives, positives): "Add shaft." if len(derivation.shaftPath) < 3: return extrudeDerivation = extrude.ExtrudeDerivation() positiveVertexes = matrix.getVertexes(positives) bottomPath = euclidean.getTopPath(positiveVertexes) topPath = euclidean.getBottomPath(positiveVertexes) extrudeDerivation.offsetPathDefault = [Vector3(0.0, 0.0, bottomPath), Vector3(0.0, 0.0, topPath)] extrudeDerivation.setToXMLElement(derivation.copyShallow) extrude.addNegativesPositives(extrudeDerivation, negatives, [derivation.shaftPath], positives)
def addCollarShaftSetDerivation(collarDerivation, collarThickness, derivation, negatives, positives, xmlElement): 'Add collar and shaft.' collarSides = evaluate.getSidesMinimumThreeBasedOnPrecision(derivation.shaftRimRadius, xmlElement) collarProfile = euclidean.getComplexPolygon(complex(), derivation.shaftRimRadius, collarSides) vector3CollarProfile = euclidean.getVector3Path(collarProfile) extrude.addNegativesPositives(collarDerivation, negatives, [vector3CollarProfile], positives) addShaft(derivation, negatives, positives) drillZ = derivation.pinionThickness + 0.5 * collarThickness drillEnd = Vector3(0.0, derivation.shaftRimRadius, drillZ) drillStart = Vector3(0.0, 0.0, drillZ) teardrop.addNegativesByRadius(drillEnd, negatives, derivation.keywayRadius, drillStart, xmlElement)
def addShaft(derivation, negatives, positives): "Add shaft." if len(derivation.shaftPath) < 3: return positiveVertexes = matrix.getVertexes(positives) bottomPath = euclidean.getTopPath(positiveVertexes) topPath = euclidean.getBottomPath(positiveVertexes) copyShallow = derivation.xmlElement.getCopyShallow() copyShallow.attributeDictionary['path'] = [Vector3(0.0, 0.0, bottomPath), Vector3(0.0, 0.0, topPath)] extrudeDerivation = extrude.ExtrudeDerivation(copyShallow) extrude.addNegativesPositives(extrudeDerivation, negatives, [derivation.shaftPath], positives)
def getOutputRack(gearDerivation, vector3GearProfile, xmlElement): "Get extrude output for a rack." extrudeDerivation = extrude.ExtrudeDerivation() helixComplexPath = getHelixComplexPath(gearDerivation, xmlElement) extrudeDerivation.offsetPathDefault = [] for complexPoint in getHelixComplexPath(gearDerivation, xmlElement): point = Vector3(gearDerivation.helixThickness * complexPoint.imag, 0.0, gearDerivation.thickness * complexPoint.real) extrudeDerivation.offsetPathDefault.append(point) extrudeDerivation.setToXMLElement(xmlElement) negatives = [] positives = [] extrude.addNegativesPositives(extrudeDerivation, negatives, [vector3GearProfile], positives) return extrude.getGeometryOutputByNegativesPositives(extrudeDerivation, negatives, positives, xmlElement)
def getOutputCylinder(
collarThickness, derivation, gearHolePaths, pitchRadius, teeth, twist, vector3GearProfile, xmlElement):
"Get extrude output for a cylinder gear."
extrudeDerivation = extrude.ExtrudeDerivation()
extrudeDerivation.offsetPathDefault = [Vector3(), Vector3(0.0, 0.0, derivation.pinionThickness)]
extrudeDerivation.setToXMLElement(derivation.copyShallow)
negatives = []
positives = []
if twist != 0.0:
twistDegrees = math.degrees(twist)
extrudeDerivation.twistPathDefault = []
for complexPoint in derivation.helixPath:
extrudeDerivation.twistPathDefault.append(Vector3(complexPoint.real, twistDegrees * complexPoint.imag))
extrude.insertTwistPortions(extrudeDerivation, xmlElement)
if derivation.operatingAngle != 180.0:
addBevelGear(derivation, extrudeDerivation, pitchRadius, positives, teeth, vector3GearProfile)
addCollarShaft(collarThickness, derivation, negatives, positives, xmlElement)
return extrude.getGeometryOutputByNegativesPositives(extrudeDerivation, negatives, positives, xmlElement)
if pitchRadius > 0:
extrude.addNegativesPositives(extrudeDerivation, negatives, vector3GearProfile, positives)
addLighteningHoles(derivation, gearHolePaths, negatives, pitchRadius, positives)
addCollarShaft(collarThickness, derivation, negatives, positives, xmlElement)
return extrude.getGeometryOutputByNegativesPositives(extrudeDerivation, negatives, positives, xmlElement)
if derivation.plateThickness <= 0.0:
extrude.addNegativesPositives(extrudeDerivation, negatives, vector3GearProfile, positives)
return extrude.getGeometryOutputByNegativesPositives(extrudeDerivation, negatives, positives, xmlElement)
portionDirections = extrude.getSpacedPortionDirections(extrudeDerivation.interpolationDictionary)
outerGearProfile = vector3GearProfile[0]
outerLoopLists = extrude.getLoopListsByPath(extrudeDerivation, None, outerGearProfile, portionDirections)
addBottomLoop(-derivation.plateClearance, outerLoopLists[0])
geometryOutput = trianglemesh.getPillarsOutput(outerLoopLists)
positives.append(geometryOutput)
innerLoopLists = extrude.getLoopListsByPath(extrudeDerivation, None, vector3GearProfile[1], portionDirections)
addBottomLoop(-derivation.plateClearance, innerLoopLists[0])
geometryOutput = trianglemesh.getPillarsOutput(innerLoopLists)
negatives.append(geometryOutput)
connectionStart = Vector3(0.0, 0.0, -derivation.plateThickness)
plateDerivation = extrude.ExtrudeDerivation()
plateDerivation.offsetPathDefault = [connectionStart, Vector3(0.0, 0.0, -derivation.plateClearance)]
plateDerivation.setToXMLElement(derivation.copyShallow)
extrude.addNegativesPositives(plateDerivation, negatives, [outerGearProfile], positives)
vector3LighteningHoles = getLighteningHoles(derivation, gearHolePaths, pitchRadius)
extrude.addNegativesPositives(plateDerivation, negatives, vector3LighteningHoles, positives)
addShaft(derivation, negatives, positives)
connectionEnd = Vector3(0.0, 0.0, derivation.pinionThickness)
positiveOutput = trianglemesh.getUnifiedOutput(positives)
annulusPlateOutput = {'difference' : {'shapes' : [positiveOutput] + negatives}}
if collarThickness <= 0.0:
outputCylinder = extrude.getGeometryOutputByConnection(connectionEnd, connectionStart, annulusPlateOutput, xmlElement)
return getLiftedOutput(derivation, outputCylinder, xmlElement)
negatives = []
positives = []
connectionEnd = Vector3(0.0, 0.0, derivation.pinionThickness + collarThickness)
collarDerivation = extrude.ExtrudeDerivation()
collarDerivation.offsetPathDefault = [Vector3(0.0, 0.0, -derivation.plateClearance), connectionEnd]
addCollarShaftSetDerivation(collarDerivation, collarThickness, derivation, negatives, positives, xmlElement)
collarOutput = {'difference' : {'shapes' : positives + negatives}}
cylinderOutput = {'union' : {'shapes' : [annulusPlateOutput, collarOutput]}}
outputCylinder = extrude.getGeometryOutputByConnection(connectionEnd, connectionStart, cylinderOutput, xmlElement)
return getLiftedOutput(derivation, outputCylinder, xmlElement)
def getOutputRack(gearDerivation, vector3GearProfile, xmlElement):
"Get extrude output for a rack."
extrudeDerivation = extrude.ExtrudeDerivation()
helixComplexPath = getHelixComplexPath(gearDerivation, xmlElement)
extrudeDerivation.offsetPathDefault = []
for complexPoint in getHelixComplexPath(gearDerivation, xmlElement):
point = Vector3(gearDerivation.helixThickness * complexPoint.imag, 0.0,
gearDerivation.thickness * complexPoint.real)
extrudeDerivation.offsetPathDefault.append(point)
extrudeDerivation.setToXMLElement(xmlElement)
negatives = []
positives = []
extrude.addNegativesPositives(extrudeDerivation, negatives,
[vector3GearProfile], positives)
return extrude.getGeometryOutputByNegativesPositives(
extrudeDerivation, negatives, positives, xmlElement)
def getOutputCylinder(gearDerivation, pitchRadius, shaftRimRadius, teeth, twist, vector3GearProfile, vector3ShaftPath, xmlElement): "Get extrude output for a cylinder gear." vector3LighteningHoles = getLighteningHoles(gearDerivation, pitchRadius, shaftRimRadius, teeth) extrudeDerivation = extrude.ExtrudeDerivation() extrudeDerivation.offsetPathDefault = [Vector3(), Vector3(0.0, 0.0, gearDerivation.thickness)] extrudeDerivation.setToXMLElement(xmlElement) negatives = [] positives = [] extrude.addNegativesPositives(extrudeDerivation, negatives, vector3LighteningHoles + [vector3ShaftPath], positives) if twist != 0.0: twistDegrees = math.degrees(twist) extrudeDerivation.twistPathDefault = [] for complexPoint in getHelixComplexPath(gearDerivation, xmlElement): extrudeDerivation.twistPathDefault.append(Vector3(complexPoint.real, twistDegrees * complexPoint.imag)) extrude.insertTwistPortions(extrudeDerivation, xmlElement) extrude.addNegativesPositives(extrudeDerivation, negatives, [vector3GearProfile], positives) return extrude.getGeometryOutputByNegativesPositives(extrudeDerivation, negatives, positives, xmlElement)
def getOutputRack(derivation, vector3GearProfile, xmlElement): "Get extrude output for a rack." path = [] for complexPoint in derivation.helixPath: point = Vector3(derivation.helixThickness * complexPoint.imag, 0.0, derivation.pinionThickness * complexPoint.real) path.append(point) copyShallow = derivation.xmlElement.getCopyShallow() copyShallow.attributeDictionary['path'] = path extrudeDerivation = extrude.ExtrudeDerivation(copyShallow) negatives = [] positives = [] vector3RackProfiles = [vector3GearProfile] if derivation.extraRackDemilength > 0.0: yMaximum = -912345678.0 yMinimum = 912345678.0 for point in vector3GearProfile: yMaximum = max(point.y, yMaximum) yMinimum = min(point.y, yMinimum) muchLessThanWidth = 0.01 * derivation.rackWidth yMaximum += muchLessThanWidth yMinimum -= muchLessThanWidth extraRackLength = derivation.extraRackDemilength + derivation.extraRackDemilength rackDemilengthPlus = derivation.rackDemilength + extraRackLength leftNegative = [ Vector3(-derivation.rackDemilength, yMaximum), Vector3(-derivation.rackDemilength, yMinimum), Vector3(-rackDemilengthPlus, yMinimum), Vector3(-rackDemilengthPlus, yMaximum)] vector3RackProfiles.append(leftNegative) rightNegative = [ Vector3(rackDemilengthPlus, yMaximum), Vector3(rackDemilengthPlus, yMinimum), Vector3(derivation.rackDemilength, yMinimum), Vector3(derivation.rackDemilength, yMaximum)] vector3RackProfiles.append(rightNegative) addRackHoles(derivation, vector3RackProfiles, xmlElement) extrude.addNegativesPositives(extrudeDerivation, negatives, vector3RackProfiles, positives) return extrude.getGeometryOutputByNegativesPositives(extrudeDerivation, negatives, positives, xmlElement)
