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 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 getSegmentsFromPoints( aroundLists, 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 ) insideSegments = [] for segment in segments: insideSegment = euclidean.getSegmentFromPoints( normalizedSegment * segment[ 0 ].point, normalizedSegment * segment[ 1 ].point ) if len( aroundLists ) < 1: insideSegments.append( insideSegment ) elif isSegmentInsideAround( aroundLists, insideSegment ): insideSegments.append( insideSegment ) return insideSegments