def __init__(self, var, n, se, sw):
self.var = var
self.n = n
self.se = se
self.sw = sw
self.edge_s = Invalid()
self.edge_ne = Invalid()
self.edge_nw = Invalid()
self.point_s = Invalid()
self.point_ne = Invalid()
self.point_nw = Invalid()
self.cell_n = Invalid()
self.cell_se = Invalid()
self.cell_sw = Invalid()
class Point(object):
def __init__(self, var, x, y):
self.var = var
self.x = x
self.y = y
self.edge_above = Invalid()
self.edge_below = Invalid()
self.edge_left = Invalid()
self.edge_right = Invalid()
self.point_left = Invalid()
self.point_right = Invalid()
self.point_above = Invalid()
self.point_below = Invalid()
def edges(self):
return [
x for x in [
self.edge_above, self.edge_below, self.edge_left,
self.edge_right
] if not isinstance(x, Invalid)
]
def horiz_edge(self, offs):
assert offs != 0
if offs == 1:
return self.edge_right
elif offs == -1:
return self.edge_left
elif offs > 0:
return self.point_right.horiz_edge(offs - 1)
elif offs < 0:
return self.point_left.horiz_edge(offs + 1)
def vert_edge(self, offs):
assert offs != 0
if offs == 1:
return self.edge_below
elif offs == -1:
return self.edge_above
elif offs > 0:
return self.point_below.vert_edge(offs - 1)
elif offs < 0:
return self.point_above.vert_edge(offs + 1)
def __init__(self, var, x, y):
self.var = var
self.edge_above = Invalid()
self.edge_below = Invalid()
self.edge_left = Invalid()
self.edge_right = Invalid()
self.cell_above = Invalid()
self.cell_below = Invalid()
self.cell_left = Invalid()
self.cell_right = Invalid()
self.x = x
self.y = y
def __init__(self, var, x, y):
self.var = var
self.x = x
self.y = y
self.edge_above = Invalid()
self.edge_below = Invalid()
self.edge_left = Invalid()
self.edge_right = Invalid()
self.point_left = Invalid()
self.point_right = Invalid()
self.point_above = Invalid()
self.point_below = Invalid()
def point(self, x, y):
return self.point_array.get((x, y), Invalid())
def vert(self, x, y):
return self.vert_array.get((x, y), Invalid())
def horiz(self, x, y):
return self.horiz_array.get((x, y), Invalid())
def cell(self, x, y):
return self.cell_array.get((x, y), Invalid())
def northward_point(self, n, se, sw):
return self.northward_point_array.get(regularize_coords(n, se, sw),
Invalid())
def ne_sw(self, n, se, sw):
n, se, sw = regularize_coords(n, se, sw)
if n + se + sw == -1:
n = n + 1
se = se + 1
return self.ne_sw_array.get((n, se, sw), Invalid())
def nw_se(self, n, se, sw):
n, se, sw = regularize_coords(n, se, sw)
if n + se + sw == -1:
n = n + 1
sw = sw + 1
return self.nw_se_array.get((n, se, sw), Invalid())
def vert(self, n, se, sw):
n, se, sw = regularize_coords(n, se, sw)
if n + se + sw == -1:
se = se + 1
sw = sw + 1
return self.vert_array.get((n, se, sw), Invalid())
def cell(self, n, se, sw):
return self.cell_array.get(regularize_coords(n, se, sw), Invalid())
