def getWCSBulgeSign(self, norm):
'''Detect bulge sign in WCS using predefined vectors in OCS
'''
p0 = VAcad.trans((0.0, 0.0, 0.0), AutoCAD.acOCS, AutoCAD.acWorld, norm)
p1 = VAcad.trans((2.0, 1.0, 0.0), AutoCAD.acOCS, AutoCAD.acWorld, norm)
p2 = VAcad.trans((2.0, 2.0, 0.0), AutoCAD.acOCS, AutoCAD.acWorld, norm)
return trig.getBulgeSign(p0, p1, p2)
def ocs2wcsAngle(self, angle, norm):
''' transform angle from OCS to WCS
'''
#~ if not (self.norm and self.bulgeSign) or self.norm != norm:
p0 = self.trans((0.0, 0.0, 0.0), AutoCAD.acOCS, AutoCAD.acWorld, norm)
p1 = self.trans((2.0, 1.0, 0.0), AutoCAD.acOCS, AutoCAD.acWorld, norm)
p2 = self.trans((2.0, 2.0, 0.0), AutoCAD.acOCS, AutoCAD.acWorld, norm)
p10 = self.trans((1.0, 0.0, 0.0), AutoCAD.acOCS, AutoCAD.acWorld, norm)
self.bulgeSign = trig.getBulgeSign(p0, p1, p2)
self.zeroAngle = trig.AutoLISP.angleP(p0, p10)
self.norm = norm
ta = (self.bulgeSign * self.zeroAngle) + (self.bulgeSign * angle)
return trig.normAngle2pi(ta)
