def onStrokeAdded( self, stroke ):
"Watches for Strokes with Circularity > threshold to Annotate"
# need at least 6 points to be a circle
if stroke.length()<6:
return
strokeLen = GeomUtils.strokeLength(stroke)
distCutoff = NodeMarker.CLOSED_DIST_THRESH * (strokeLen ** 2)
#s_norm = GeomUtils.strokeNormalizeSpacing( stroke, 20 )
ep1 = stroke.Points[0]
ep2 = stroke.Points[-1]
epDist = GeomUtils.pointDistanceSquared(ep1.X, ep1.Y, ep2.X, ep2.Y)
if epDist <= distCutoff:
avgDist = GeomUtils.averageDistance( stroke.Center, stroke.Points )
self.getBoard().AnnotateStrokes([stroke], DiGraphNodeAnnotation(0, stroke.Center, avgDist))
else:
node_log.debug("Not a node: endpoint distance %s > %s" % (epDist, distCutoff))
def onStrokeAdded( self, stroke ):
"Watches for Strokes with Circularity > threshold to Annotate"
# need at least 6 points to be a circle
if stroke.length()<6:
return
s_norm = GeomUtils.strokeNormalizeSpacing( stroke, 20 )
s_chop = GeomUtils.strokeChopEnds( s_norm, 0.20 )
circ_norm = GeomUtils.strokeCircularity( s_norm )
circ_chop = GeomUtils.strokeCircularity( s_chop )
logger.debug( "stroke: %s", [str(p) for p in s_norm.Points] )
logger.debug( "potential circles (%f,%f) <> %f", circ_norm, circ_chop, self.threshold )
if( circ_norm>self.threshold or circ_chop>self.threshold):
cen = stroke.Center
avgDist = GeomUtils.averageDistance( cen, stroke.Points )
anno = CircleAnnotation( circ_norm, cen, avgDist )
BoardSingleton().AnnotateStrokes( [stroke], anno)
