def new_direction(self, direction):
self.current_dir = direction
self.all_path_list = []
self.curr_path_list = []
self.prev_line = []
self.curr_line = []
if DEBUG_POLYGONEXTRACTOR3:
self.svg = SVGExporter("test-%d.svg" % direction)
if direction == 0:
self.svg.fill("red")
else:
self.svg.fill("blue")
if (self.policy == PolygonExtractor.CONTOUR) and (direction == 1) \
and self.hor_path_list:
self.last_x = -INFINITE
self.delta_x = 0
self.convert_hor_path_list()
if DEBUG_POLYGONEXTRACTOR3:
self.cont = SVGExporter("test-2.svg")
self.cont.fill("green")
def end_direction(self):
if self.policy == PolygonExtractor.CONTOUR and self.hor_path_list:
self.process_virtual_hor_scanline(INFINITE)
self.new_scanline()
self.end_scanline()
if DEBUG_POLYGONEXTRACTOR3:
self.svg.close()
if self.policy == PolygonExtractor.CONTOUR and self.hor_path_list:
for path in self.all_path_list:
if DEBUG_POLYGONEXTRACTOR2:
print("points=", path.points)
i = 0
while i < len(path.points) - 1:
if path.points[i][0] > path.points[i + 1][0]:
if DEBUG_POLYGONEXTRACTOR2:
print("drop point %d:" % path.points[i].id)
path.points = path.points[:i] + path.points[i + 1:]
if i > 0:
i -= 1
else:
i += 1
if DEBUG_POLYGONEXTRACTOR:
print("%d paths" % len(self.all_path_list))
for path in self.all_path_list:
print("%d:" % path.id),
print("%d ->" % path.top_join.id)
for point in path.points:
print("%d(%g,%g)" % (point.id, point[0], point[1]), )
print("->%d" % path.bot_join.id)
path_list = []
while len(self.all_path_list) > 0:
p0 = self.all_path_list[0]
for path in self.all_path_list:
if path.id < p0.id:
p0 = path
if DEBUG_POLYGONEXTRACTOR:
print("linking %d" % p0.id)
self.all_path_list.remove(p0)
p1 = p0.bot_join
while True:
if DEBUG_POLYGONEXTRACTOR:
print("splice %d into %d" % (p1.id, p0.id))
self.all_path_list.remove(p1)
p1.reverse()
p0.points += p1.points
if p1.top_join == p0:
break
p2 = p1.top_join
if DEBUG_POLYGONEXTRACTOR:
print("splicing %d into %d" % (p2.id, p0.id))
self.all_path_list.remove(p2)
p0.points += p2.points
p1 = p2.bot_join
path_list.append(p0)
if DEBUG_POLYGONEXTRACTOR:
print("%d paths" % len(path_list))
for path in path_list:
print("path %d(w=%d): " % (path.id, path.winding)),
for point in path.points:
print("%d(%g,%g)" % (point.id, point[0], point[1])),
print()
if self.current_dir == 0:
self.hor_path_list = path_list
elif self.current_dir == 1:
if (self.policy == PolygonExtractor.CONTOUR
) and self.hor_path_list and path_list:
self.merge_path_list = path_list
else:
self.ver_path_list = path_list
if DEBUG_POLYGONEXTRACTOR3:
from pycam.Exporters.SVGExporter import SVGExporter
self.svg = SVGExporter("test-3.svg")
for path in path_list:
prev = None
if len(path.points) <= 1:
continue
for p in path.points:
if p.dir == 0:
self.svg.fill("red")
else:
self.svg.fill("blue")
self.svg.AddDot(p[0], p[1])
self.svg.AddText(p[0], p[1], str(p.id))
if prev:
self.svg.AddLine(p[0], p[1], prev[0], prev[1])
prev = p
p = path.points[0]
self.svg.AddLine(p[0], p[1], prev[0], prev[1])
self.svg.close()
self.cont.close()
