def getSegmentsFromPoints(loops, pointBegin, pointEnd):
"Get endpoint segments from the beginning and end of a line segment."
normalizedSegment = pointEnd - pointBegin
normalizedSegmentLength = abs(normalizedSegment)
if normalizedSegmentLength == 0.0:
return []
normalizedSegment /= normalizedSegmentLength
segmentYMirror = complex(normalizedSegment.real, -normalizedSegment.imag)
pointBeginRotated = segmentYMirror * pointBegin
pointEndRotated = segmentYMirror * pointEnd
xIntersectionIndexList = []
xIntersectionIndexList.append(
euclidean.XIntersectionIndex(-1, pointBeginRotated.real))
xIntersectionIndexList.append(
euclidean.XIntersectionIndex(-1, pointEndRotated.real))
for loopIndex in xrange(len(loops)):
rotatedLoop = euclidean.getPointsRoundZAxis(segmentYMirror,
loops[loopIndex])
euclidean.addXIntersectionIndexesFromLoopY(rotatedLoop, loopIndex,
xIntersectionIndexList,
pointBeginRotated.imag)
segments = euclidean.getSegmentsFromXIntersectionIndexes(
xIntersectionIndexList, pointBeginRotated.imag)
for segment in segments:
for endpoint in segment:
endpoint.point *= normalizedSegment
return segments
def getOverhangDirection(belowOutsetLoops, segmentBegin, segmentEnd):
'Add to span direction from the endpoint segments which overhang the layer below.'
segment = segmentEnd - segmentBegin
normalizedSegment = euclidean.getNormalized(
complex(segment.real, segment.imag))
segmentYMirror = complex(normalizedSegment.real, -normalizedSegment.imag)
segmentBegin = segmentYMirror * segmentBegin
segmentEnd = segmentYMirror * segmentEnd
solidXIntersectionList = []
y = segmentBegin.imag
solidXIntersectionList.append(
euclidean.XIntersectionIndex(-1.0, segmentBegin.real))
solidXIntersectionList.append(
euclidean.XIntersectionIndex(-1.0, segmentEnd.real))
for belowLoopIndex in xrange(len(belowOutsetLoops)):
belowLoop = belowOutsetLoops[belowLoopIndex]
rotatedOutset = euclidean.getRotatedComplexes(segmentYMirror,
belowLoop)
euclidean.addXIntersectionIndexesFromLoopY(rotatedOutset,
belowLoopIndex,
solidXIntersectionList, y)
overhangingSegments = euclidean.getSegmentsFromXIntersectionIndexes(
solidXIntersectionList, y)
overhangDirection = complex()
for overhangingSegment in overhangingSegments:
overhangDirection += getDoubledRoundZ(overhangingSegment,
normalizedSegment)
return overhangDirection
def getSegmentsFromLoopListsPoints(loopLists, pointBegin, pointEnd):
"Get endpoint segments from the beginning and end of a line segment."
normalizedSegment = pointEnd - pointBegin
normalizedSegmentLength = abs(normalizedSegment)
if normalizedSegmentLength == 0.0:
return []
normalizedSegment /= normalizedSegmentLength
segmentYMirror = complex(normalizedSegment.real, -normalizedSegment.imag)
pointBeginRotated = segmentYMirror * pointBegin
pointEndRotated = segmentYMirror * pointEnd
rotatedLoopLists = []
for loopList in loopLists:
rotatedLoopLists.append(
euclidean.getRotatedComplexLists(segmentYMirror, loopList))
xIntersectionIndexList = []
xIntersectionIndexList.append(
euclidean.XIntersectionIndex(-1, pointBeginRotated.real))
xIntersectionIndexList.append(
euclidean.XIntersectionIndex(-1, pointEndRotated.real))
euclidean.addXIntersectionIndexesFromLoopListsY(rotatedLoopLists,
xIntersectionIndexList,
pointBeginRotated.imag)
segments = euclidean.getSegmentsFromXIntersectionIndexes(
xIntersectionIndexList, pointBeginRotated.imag)
for segment in segments:
for endpoint in segment:
endpoint.point *= normalizedSegment
return segments
def getSegmentsFromLoopListsPoints( loopLists, pointBegin, pointEnd ): "Get endpoint segments from the beginning and end of a line segment." normalizedSegment = pointEnd - pointBegin normalizedSegmentLength = abs( normalizedSegment ) if normalizedSegmentLength == 0.0: return [] normalizedSegment /= normalizedSegmentLength segmentYMirror = complex( normalizedSegment.real, - normalizedSegment.imag ) pointBeginRotated = segmentYMirror * pointBegin pointEndRotated = segmentYMirror * pointEnd rotatedLoopLists = [] for loopList in loopLists: rotatedLoopList = [] rotatedLoopLists.append( rotatedLoopList ) for loop in loopList: rotatedLoop = euclidean.getPointsRoundZAxis( segmentYMirror, loop ) rotatedLoopList.append( rotatedLoop ) xIntersectionIndexList = [] xIntersectionIndexList.append( euclidean.XIntersectionIndex( - 1, pointBeginRotated.real ) ) xIntersectionIndexList.append( euclidean.XIntersectionIndex( - 1, pointEndRotated.real ) ) euclidean.addXIntersectionIndexesFromLoopListsY( rotatedLoopLists, xIntersectionIndexList, pointBeginRotated.imag ) segments = euclidean.getSegmentsFromXIntersectionIndexes( xIntersectionIndexList, pointBeginRotated.imag ) for segment in segments: for endpoint in segment: endpoint.point *= normalizedSegment return segments
def getOverhangDirection( belowOutsetLoops, segmentBegin, segmentEnd ): 'Add to span direction from the endpoint segments which overhang the layer below.' segment = segmentEnd - segmentBegin normalizedSegment = euclidean.getNormalized( complex( segment.real, segment.imag ) ) segmentYMirror = complex(normalizedSegment.real, -normalizedSegment.imag) segmentBegin = segmentYMirror * segmentBegin segmentEnd = segmentYMirror * segmentEnd solidXIntersectionList = [] y = segmentBegin.imag solidXIntersectionList.append( euclidean.XIntersectionIndex( - 1.0, segmentBegin.real ) ) solidXIntersectionList.append( euclidean.XIntersectionIndex( - 1.0, segmentEnd.real ) ) for belowLoopIndex in xrange( len( belowOutsetLoops ) ): belowLoop = belowOutsetLoops[ belowLoopIndex ] rotatedOutset = euclidean.getRotatedComplexes( segmentYMirror, belowLoop ) euclidean.addXIntersectionIndexesFromLoopY( rotatedOutset, belowLoopIndex, solidXIntersectionList, y ) overhangingSegments = euclidean.getSegmentsFromXIntersectionIndexes( solidXIntersectionList, y ) overhangDirection = complex() for overhangingSegment in overhangingSegments: overhangDirection += getDoubledRoundZ( overhangingSegment, normalizedSegment ) return overhangDirection