def center_divide(road0, road1):
bp0, ep0, bp1, ep1 = road0.point_list[0], road0.point_list[
-1], road1.point_list[0], road1.point_list[-1]
if bp0 == bp1 or bp0 == ep1 or ep0 == bp1 or ep0 == ep1:
return
for i, seg0 in enumerate(road0.seg_list):
for j, seg1 in enumerate(road1.seg_list):
if calc_include_angle2(
seg0, seg1) < math.sqrt(3) / 2 and is_segment_cross(
seg0, seg1):
_, px, py = get_cross_point(seg0, seg1)
if px is None:
print 'None'
cr0 = Point(px, py)
cr0.cross, cr0.cross_name, cr0.cross_other_seg = 1, road1.name, j
cr0.cross_seg = i
bp, ep = seg0.begin_point, seg0.end_point
w0, w1 = get_dist(cr0, bp), get_dist(cr0, ep)
if w0 > 1e-5 and w1 > 1e-5:
road0.cross_list.append(cr0)
cr1 = Point(px, py)
cr1.cross, cr1.cross_name, cr1.cross_other_seg = 1, road0.name, i
cr1.cross_seg = j
bp, ep = seg1.begin_point, seg1.end_point
w0, w1 = get_dist(cr1, bp), get_dist(cr1, ep)
if w0 > 1e-5 and w1 > 1e-5:
road1.cross_list.append(cr1)
return
def par_divide(road0, road1):
"""
as center divide, divide cross point for each other
:param road0:
:param road1:
:return:
"""
bp0, ep0, bp1, ep1 = road0.point_list[0], road0.point_list[
-1], road1.point_list[0], road1.point_list[-1]
if bp0 == bp1:
road0.bs, road1.bs = 1, 1
return
elif bp0 == ep1:
road0.bs, road1.es = 1, 1
return
elif ep0 == bp1:
road0.es, road1.bs = 1, 1
return
elif ep0 == ep1:
road0.es, road1.es = 1, 1
return
for i, seg0 in enumerate(road0.seg_list):
for j, seg1 in enumerate(road1.seg_list):
if calc_include_angle2(seg0, seg1) > 0.8: # 平行
continue
if is_segment_cross(seg0, seg1):
_, px, py = get_cross_point(seg0, seg1)
cr0 = Point(px, py)
cr0.cross, cr0.cross_name, cr0.cross_other_seg = 1, road1.rid, j
cr0.cross_seg = i
bp, ep = seg0.begin_point, seg0.end_point
w0, w1 = get_dist(cr0, bp), get_dist(cr0, ep)
if w0 > 1e-5 and w1 > 1e-5:
road0.cross_list.append(cr0)
cr1 = Point(px, py)
cr1.cross, cr1.cross_name, cr1.cross_other_seg = 1, road0.rid, i
cr1.cross_seg = j
bp, ep = seg1.begin_point, seg1.end_point
w0, w1 = get_dist(cr1, bp), get_dist(cr1, ep)
if w0 > 1e-5 and w1 > 1e-5:
road1.cross_list.append(cr1)
return