def getTeardropPath(inclination, radius, xmlElement): "Get vector3 teardrop path." teardropSides = evaluate.getSidesMinimumThreeBasedOnPrecision(radius, xmlElement) sideAngle = 2.0 * math.pi / float(teardropSides) overhangRadians = setting.getOverhangRadians(xmlElement) overhangPlaneAngle = euclidean.getWiddershinsUnitPolar(overhangRadians) overhangRadians = math.atan2(overhangPlaneAngle.imag, overhangPlaneAngle.real * math.cos(inclination)) tanOverhangAngle = math.tan(overhangRadians) beginAngle = overhangRadians beginMinusEndAngle = math.pi + overhangRadians + overhangRadians withinSides = int(math.ceil(beginMinusEndAngle / sideAngle)) withinSideAngle = -beginMinusEndAngle / float(withinSides) teardropPath = [] for side in xrange(withinSides + 1): unitPolar = euclidean.getWiddershinsUnitPolar(beginAngle) teardropPath.append(unitPolar * radius) beginAngle += withinSideAngle firstPoint = teardropPath[0] overhangSpan = setting.getOverhangSpan(xmlElement) if overhangSpan <= 0.0: teardropPath.append(complex(0.0, firstPoint.imag + firstPoint.real / tanOverhangAngle)) else: deltaX = (radius - firstPoint.imag) * tanOverhangAngle overhangPoint = complex(firstPoint.real - deltaX, radius) remainingDeltaX = max(0.0, overhangPoint.real - 0.5 * overhangSpan ) overhangPoint += complex(-remainingDeltaX, remainingDeltaX / tanOverhangAngle) teardropPath.append(complex(-overhangPoint.real, overhangPoint.imag)) teardropPath.append(overhangPoint) return euclidean.getVector3Path(teardropPath)
def getManipulatedPaths(close, loop, prefix, sideLength, xmlElement):
"Get path with overhangs removed or filled in."
if len(loop) < 3:
print(
'Warning, loop has less than three sides in getManipulatedPaths in overhang for:'
)
print(xmlElement)
return [loop]
overhangRadians = setting.getOverhangRadians(xmlElement)
overhangPlaneAngle = euclidean.getWiddershinsUnitPolar(0.5 * math.pi -
overhangRadians)
overhangVerticalRadians = math.radians(
evaluate.getEvaluatedFloat(0.0, prefix + 'inclination', xmlElement))
if overhangVerticalRadians != 0.0:
overhangVerticalCosine = abs(math.cos(overhangVerticalRadians))
if overhangVerticalCosine == 0.0:
return [loop]
imaginaryTimesCosine = overhangPlaneAngle.imag * overhangVerticalCosine
overhangPlaneAngle = euclidean.getNormalized(
complex(overhangPlaneAngle.real, imaginaryTimesCosine))
alongAway = AlongAway(loop, overhangPlaneAngle)
if euclidean.getIsWiddershinsByVector3(loop):
alterWiddershinsSupportedPath(alongAway, close)
else:
alterClockwiseSupportedPath(alongAway, xmlElement)
return [
euclidean.getLoopWithoutCloseSequentialPoints(close, alongAway.loop)
]
def getTeardropPathByEndStart(elementNode, end, radius, start):
"Get vector3 teardrop path by end and start."
inclination = getInclination(end, start)
sides = evaluate.getSidesMinimumThreeBasedOnPrecisionSides(
elementNode, radius)
radiusArealized = evaluate.getRadiusArealizedBasedOnAreaRadius(
elementNoderadius, sides)
return getTeardropPath(
inclination, setting.getOverhangRadians(elementNode),
setting.getOverhangSpan(elementNode), radiusArealized, sides)
def getTeardropPathByEndStart(elementNode, end, radius, start):
"Get vector3 teardrop path by end and start."
inclination = getInclination(end, start)
sides = evaluate.getSidesMinimumThreeBasedOnPrecisionSides(
elementNode, radius)
radiusArealized = evaluate.getRadiusArealizedBasedOnAreaRadius(
elementNoderadius, sides)
return getTeardropPath(inclination,
setting.getOverhangRadians(elementNode),
setting.getOverhangSpan(elementNode),
radiusArealized, sides)
def __init__(self, elementNode): 'Set defaults.' end = evaluate.getVector3ByPrefix(None, elementNode, 'end') start = evaluate.getVector3ByPrefix(Vector3(), elementNode, 'start') inclinationDegree = math.degrees(getInclination(end, start)) self.elementNode = elementNode self.inclination = math.radians(evaluate.getEvaluatedFloat(inclinationDegree, elementNode, 'inclination')) self.overhangRadians = setting.getOverhangRadians(elementNode) self.overhangSpan = setting.getOverhangSpan(elementNode) self.radius = lineation.getFloatByPrefixBeginEnd(elementNode, 'radius', 'diameter', 1.0) size = evaluate.getEvaluatedFloat(None, elementNode, 'size') if size != None: self.radius = 0.5 * size self.sides = evaluate.getEvaluatedFloat(None, elementNode, 'sides') if self.sides == None: self.sides = evaluate.getSidesMinimumThreeBasedOnPrecisionSides(elementNode, self.radius) self.radiusArealized = evaluate.getRadiusArealizedBasedOnAreaRadius(elementNode, self.radius, self.sides)
def getManipulatedPaths(close, loop, prefix, sideLength, xmlElement):
"""Get path with overhangs removed or filled in."""
if len(loop) < 3:
print('Warning, loop has less than three sides in getManipulatedPaths in overhang for:')
print(xmlElement)
return [loop]
overhangRadians = setting.getOverhangRadians(xmlElement)
overhangPlaneAngle = euclidean.getWiddershinsUnitPolar(0.5 * math.pi - overhangRadians)
overhangVerticalRadians = math.radians(evaluate.getEvaluatedFloat(0.0, prefix + 'inclination', xmlElement))
if overhangVerticalRadians != 0.0:
overhangVerticalCosine = abs(math.cos(overhangVerticalRadians))
if overhangVerticalCosine == 0.0:
return [loop]
imaginaryTimesCosine = overhangPlaneAngle.imag * overhangVerticalCosine
overhangPlaneAngle = euclidean.getNormalized(complex(overhangPlaneAngle.real, imaginaryTimesCosine))
alongAway = AlongAway(loop, overhangPlaneAngle)
if euclidean.getIsWiddershinsByVector3(loop):
alterWiddershinsSupportedPath(alongAway, close)
else:
alterClockwiseSupportedPath(alongAway, xmlElement)
return [euclidean.getLoopWithoutCloseSequentialPoints(close, alongAway.loop)]
def __init__(self, elementNode):
'Set defaults.'
end = evaluate.getVector3ByPrefix(None, elementNode, 'end')
start = evaluate.getVector3ByPrefix(Vector3(), elementNode, 'start')
inclinationDegree = math.degrees(getInclination(end, start))
self.elementNode = elementNode
self.inclination = math.radians(
evaluate.getEvaluatedFloat(inclinationDegree, elementNode,
'inclination'))
self.overhangRadians = setting.getOverhangRadians(elementNode)
self.overhangSpan = setting.getOverhangSpan(elementNode)
self.radius = lineation.getFloatByPrefixBeginEnd(
elementNode, 'radius', 'diameter', 1.0)
size = evaluate.getEvaluatedFloat(None, elementNode, 'size')
if size != None:
self.radius = 0.5 * size
self.sides = evaluate.getEvaluatedFloat(None, elementNode, 'sides')
if self.sides == None:
self.sides = evaluate.getSidesMinimumThreeBasedOnPrecisionSides(
elementNode, self.radius)
self.radiusArealized = evaluate.getRadiusArealizedBasedOnAreaRadius(
elementNode, self.radius, self.sides)
def __init__(self, elementNode, prefix):
'Set defaults.'
self.overhangRadians = setting.getOverhangRadians(elementNode)
self.overhangInclinationRadians = math.radians(
evaluate.getEvaluatedFloat(0.0, elementNode,
prefix + 'inclination'))
def __init__(self, elementNode, prefix): 'Set defaults.' self.overhangRadians = setting.getOverhangRadians(elementNode) self.overhangInclinationRadians = math.radians(evaluate.getEvaluatedFloat(0.0, elementNode, prefix + 'inclination'))