def Distances(point1, known1, point2, known2, identity):
if point1.known and point2.known: return 0
x1 = point1.x
y1 = point1.y
h1 = point1.h
name1 = point1.name
name2 = point2.name
x2 = point2.x
y2 = point2.y
k1 = point1.known
k2 = point2.known
poi = Point(x1, y1, h1, k1, name1)
d21 = float64(poi.joinS(point2))
a = (y2 - y1) / d21
b = (x2 - x1) / d21
if point2.known and not point1.known:
if identity[-1] == "y":
return -a
if identity[-1] == "x":
return -b
elif point1.known and not point2.known:
if identity[-1] == "y":
return a
if identity[-1] == "x":
return b
elif not point1.known and not point2.known:
if identity[0:-2] == name1:
if identity[-1] == "y":
return -a
if identity[-1] == "x":
return -b
if identity[0:-2] == name2:
if identity[-1] == "y":
return a
if identity[-1] == "x":
return b
# def Orientation():
def Directions(point1, known1, point2, known2, identity):
if point1.known and point2.known: return 0
p = 3600. * 180. / pi
x1 = point1.x
name1 = point1.name
name2 = point2.name
y1 = point1.y
h1 = point1.h
x2 = point2.x
y2 = point2.y
k1 = point1.known
k2 = point2.known
poi = Point(x1, y1, h1, k1, name1)
d21 = float64(poi.joinS(point2))**2
a = p * (x2 - x1) / d21
b = p * (y2 - y1) / d21
if point2.known and not point1.known:
if identity[-1] == "y":
return -a
if identity[-1] == "x":
return b
elif point1.known and not point2.known:
if identity[-1] == "y":
return a
if identity[-1] == "x":
return -b
elif not point1.known and not point2.known:
if identity[0:-2] == name1:
if identity[-1] == "y":
return -a
if identity[-1] == "x":
return b
if identity[0:-2] == name2:
if identity[-1] == "y":
return a
if identity[-1] == "x":
return -b