def getYAngle(self): line = GLine() line.a, line.b, line.c = 1, 0, 0 return self.angle(line)
def getParaLine(self, pt): line = GLine() line.a, line.b, line.c = self.a, self.b, -self.a * pt.fx - self.b * pt.fy line.d = math.sqrt(line.a ** 2 + line.b ** 2) return line
def getXAngle(self): line = GLine() line.a, line.b, line.c = 0, 1, 0 return self.angle(line)