def getPositionRelativeToBehind( self ): aheadMinusBehind = self.circleNodeAhead.circle.minus( self.circleNodeBehind.circle ) aheadMinusBehind.scale( 0.5 ) halfChordWidth = math.sqrt( self.circleNodeAhead.radiusSquared - aheadMinusBehind.length2() ) rotatedClockwiseQuarter = euclidean.getRotatedClockwiseQuarterAroundZAxis( aheadMinusBehind ) rotatedClockwiseQuarter.scale( halfChordWidth / rotatedClockwiseQuarter.length() ) aheadMinusBehind.add( rotatedClockwiseQuarter ) return aheadMinusBehind
def getIntersectionAtInset( ahead, behind, inset ): "Get circle intersection loop at inset from segment." aheadMinusBehind = ahead.minus( behind ) aheadMinusBehind.scale( 0.5 ) rotatedClockwiseQuarter = euclidean.getRotatedClockwiseQuarterAroundZAxis( aheadMinusBehind ) rotatedClockwiseQuarter.scale( inset / rotatedClockwiseQuarter.length() ) aheadMinusBehind.add( rotatedClockwiseQuarter ) aheadMinusBehind.add( behind ) return aheadMinusBehind
def getIntersectionAtInset(ahead, behind, inset):
"Get circle intersection loop at inset from segment."
aheadMinusBehind = ahead.minus(behind)
aheadMinusBehind.scale(0.5)
rotatedClockwiseQuarter = euclidean.getRotatedClockwiseQuarterAroundZAxis(
aheadMinusBehind)
rotatedClockwiseQuarter.scale(inset / rotatedClockwiseQuarter.length())
aheadMinusBehind.add(rotatedClockwiseQuarter)
aheadMinusBehind.add(behind)
return aheadMinusBehind
def getPositionRelativeToBehind(self):
aheadMinusBehind = self.circleNodeAhead.circle.minus(
self.circleNodeBehind.circle)
aheadMinusBehind.scale(0.5)
halfChordWidth = math.sqrt(self.circleNodeAhead.radiusSquared -
aheadMinusBehind.length2())
rotatedClockwiseQuarter = euclidean.getRotatedClockwiseQuarterAroundZAxis(
aheadMinusBehind)
rotatedClockwiseQuarter.scale(halfChordWidth /
rotatedClockwiseQuarter.length())
aheadMinusBehind.add(rotatedClockwiseQuarter)
return aheadMinusBehind
