class ContourCutter(pycam.PathProcessors.BasePathProcessor):
def __init__(self, reverse=False):
super(ContourCutter, self).__init__()
self.curr_path = None
self.scanline = None
self.polygon_extractor = None
self.points = []
self.reverse = reverse
self.__forward = Point(1, 1, 0)
def append(self, point):
# Sort the points in positive x/y direction - otherwise the
# PolygonExtractor breaks.
if self.points and (point.sub(self.points[0]).dot(self.__forward) < 0):
self.points.insert(0, point)
else:
self.points.append(point)
def new_direction(self, direction):
if self.polygon_extractor == None:
self.polygon_extractor = PolygonExtractor(PolygonExtractor.CONTOUR)
self.polygon_extractor.new_direction(direction)
def end_direction(self):
self.polygon_extractor.end_direction()
def new_scanline(self):
self.polygon_extractor.new_scanline()
self.points = []
def end_scanline(self):
for i in range(1, len(self.points) - 1):
self.polygon_extractor.append(self.points[i])
self.polygon_extractor.end_scanline()
def finish(self):
self.polygon_extractor.finish()
if self.polygon_extractor.merge_path_list:
paths = self.polygon_extractor.merge_path_list
elif self.polygon_extractor.hor_path_list:
paths = self.polygon_extractor.hor_path_list
else:
paths = self.polygon_extractor.ver_path_list
if paths:
for path in paths:
path.append(path.points[0])
simplify_toolpath(path)
if paths:
if self.reverse:
paths.reverse()
self.paths.extend(paths)
self.sort_layered()
self.polygon_extractor = None
def new_direction(self, direction):
if self.polygon_extractor == None:
self.polygon_extractor = PolygonExtractor(PolygonExtractor.CONTOUR)
self.polygon_extractor.new_direction(direction)
class PolygonCutter(pycam.PathProcessors.BasePathProcessor):
def __init__(self, reverse=False):
super().__init__()
self.curr_path = None
self.scanline = None
self.polygon_extractor = PolygonExtractor(PolygonExtractor.MONOTONE)
self.reverse = reverse
def append(self, point):
self.polygon_extractor.append(point)
def new_direction(self, direction):
self.polygon_extractor.new_direction(direction)
def end_direction(self):
self.polygon_extractor.end_direction()
def new_scanline(self):
self.polygon_extractor.new_scanline()
def end_scanline(self):
self.polygon_extractor.end_scanline()
def finish(self):
self.polygon_extractor.finish()
paths = []
source_paths = []
if self.polygon_extractor.hor_path_list:
source_paths.extend(self.polygon_extractor.hor_path_list)
if self.polygon_extractor.ver_path_list:
source_paths.extend(self.polygon_extractor.ver_path_list)
for path in source_paths:
points = path.points
for i in range((len(points) + 1) // 2):
new_path = Path()
if i % 2 == 0:
new_path.append(points[i])
new_path.append(points[-i-1])
else:
new_path.append(points[-i-1])
new_path.append(points[i])
paths.append(new_path)
if paths:
for path in paths:
simplify_toolpath(path)
if self.reverse:
path.reverse()
self.paths.extend(paths)
self.sort_layered()
def __init__(self, reverse=False):
super().__init__()
self.curr_path = None
self.scanline = None
self.polygon_extractor = PolygonExtractor(PolygonExtractor.MONOTONE)
self.reverse = reverse
def __init__(self, reverse=False):
super(PolygonCutter, self).__init__()
self.curr_path = None
self.scanline = None
self.polygon_extractor = PolygonExtractor(PolygonExtractor.MONOTONE)
self.reverse = reverse
class PolygonCutter(pycam.PathProcessors.BasePathProcessor):
def __init__(self, reverse=False):
super(PolygonCutter, self).__init__()
self.curr_path = None
self.scanline = None
self.polygon_extractor = PolygonExtractor(PolygonExtractor.MONOTONE)
self.reverse = reverse
def append(self, point):
self.polygon_extractor.append(point)
def new_direction(self, direction):
self.polygon_extractor.new_direction(direction)
def end_direction(self):
self.polygon_extractor.end_direction()
def new_scanline(self):
self.polygon_extractor.new_scanline()
def end_scanline(self):
self.polygon_extractor.end_scanline()
def finish(self):
self.polygon_extractor.finish()
paths = []
source_paths = []
if self.polygon_extractor.hor_path_list:
source_paths.extend(self.polygon_extractor.hor_path_list)
if self.polygon_extractor.ver_path_list:
source_paths.extend(self.polygon_extractor.ver_path_list)
for path in source_paths:
points = path.points
for i in range(0, (len(points)+1)/2):
new_path = Path()
if i % 2 == 0:
new_path.append(points[i])
new_path.append(points[-i-1])
else:
new_path.append(points[-i-1])
new_path.append(points[i])
paths.append(new_path)
if paths:
for path in paths:
simplify_toolpath(path)
if self.reverse:
path.reverse()
self.paths.extend(paths)
self.sort_layered()
def new_direction(self, direction):
if self.polygon_extractor is None:
self.polygon_extractor = PolygonExtractor(PolygonExtractor.CONTOUR)
self.polygon_extractor.new_direction(direction)
class ContourCutter(pycam.PathProcessors.BasePathProcessor):
def __init__(self):
super().__init__()
self.curr_path = None
self.scanline = None
self.polygon_extractor = None
self.points = []
self.__forward = (1, 1, 0)
def append(self, point):
# Sort the points in positive x/y direction - otherwise the
# PolygonExtractor breaks.
if self.points and (pdot(psub(point, self.points[0]), self.__forward) <
0):
self.points.insert(0, point)
else:
self.points.append(point)
def new_direction(self, direction):
if self.polygon_extractor is None:
self.polygon_extractor = PolygonExtractor(PolygonExtractor.CONTOUR)
self.polygon_extractor.new_direction(direction)
def end_direction(self):
self.polygon_extractor.end_direction()
def new_scanline(self):
self.polygon_extractor.new_scanline()
self.points = []
def end_scanline(self):
for i in range(1, len(self.points) - 1):
self.polygon_extractor.append(self.points[i])
self.polygon_extractor.end_scanline()
def finish(self):
self.polygon_extractor.finish()
if self.polygon_extractor.merge_path_list:
paths = self.polygon_extractor.merge_path_list
elif self.polygon_extractor.hor_path_list:
paths = self.polygon_extractor.hor_path_list
else:
paths = self.polygon_extractor.ver_path_list
if paths:
for path in paths:
path.append(path.points[0])
simplify_toolpath(path)
if paths:
self.paths.extend(paths)
self.sort_layered()
self.polygon_extractor = None
def test_image(image, image2=None):
pe = PolygonExtractor(policy=PolygonExtractor.CONTOUR)
h = len(image)
w = len(image[0])
for dir in [1, 0, 1]:
if dir == 1 and image2:
image = image2
pe.new_direction(dir)
imax = 0
jmax = 0
if dir == 0:
imax = w
jmax = h
else:
imax = h
jmax = w
for j in range(0, jmax):
pe.new_scanline()
x = 0
y = 0
if (dir == 0):
x = 0
y = j
else:
x = j
y = 0
c = image[y][x]
for i in range(0, imax):
if dir == 0:
x = i
else:
y = i
if image[y][x] != c:
if dir == 0:
pe.append(Point(x - 0.5, y, 0))
else:
pe.append(Point(x, y - 0.5, 0))
c = image[y][x]
pe.end_scanline()
pe.end_direction()
pe.finish()
# w = int(w*1.5)
# h = int(h*2)
fg = 0xae
bg = 0xfe
for dir in [0, 1, 2]:
screen = []
for i in range(0, h):
screen.append([])
for j in range(0, w):
screen[i].append([bg, bg, bg])
path_list = None
if dir == 0:
path_list = pe.hor_path_list
elif dir == 1:
path_list = pe.ver_path_list
else:
path_list = pe.merge_path_list
if not path_list:
continue
for curr_path in path_list:
for point in curr_path.points:
x = (int)(point.x)
y = (int)(point.y)
screen[y][x][0] = r(curr_path.id)
screen[y][x][1] = g(curr_path.id)
screen[y][x][2] = b(curr_path.id)
if dir == 0:
for i in range(x + 1, w):
if screen[y][i][0] == bg:
screen[y][i][0] = fg
screen[y][i][1] = fg
screen[y][i][2] = fg
elif screen[y][i][0] == fg:
screen[y][i][0] = bg
screen[y][i][1] = bg
screen[y][i][2] = bg
else:
for i in range(y + 1, h):
if screen[i][x][0] == bg:
screen[i][x][0] = fg
screen[i][x][1] = fg
screen[i][x][2] = fg
elif screen[i][x][0] == fg:
screen[i][x][0] = bg
screen[i][x][1] = bg
screen[i][x][2] = bg
l = "+"
for i in range(0, w):
l += "-"
l += "+"
print(l)
for j in range(0, h):
l = "|"
for i in range(0, w):
if (screen[j][i][0] == bg):
l += " "
elif (screen[j][i][0] == fg):
l += "."
else:
l += "*"
l += "|"
print(l)
l = "+"
for i in range(0, w):
l += "-"
l += "+"
print(l)
filename = None
if dir == 0:
filename = "polygon_h.svg"
elif dir == 1:
filename = "polygon_v.svg"
else:
filename = "polygon.svg"
f = open(filename, "w")
f.write("<?xml version='1.0'?>\n")
f.write("<svg")
f.write(" xmlns='http://www.w3.org/2000/svg'")
f.write(" width='%f'" % (10 + (w) * 30))
f.write(" height='%f'" % (10 + (h) * 30))
f.write(">\n")
f.write("<g transform='translate(10, 10)'>\n")
f.write("<g transform='scale(20)'>\n")
for winding in range(0, 10):
f.write("<g ")
if (pe.policy == PolygonExtractor.CONTOUR) and (winding & 1) == 0:
f.write(" fill='#ffffff'")
else:
f.write(" fill='#e0e0e0'")
f.write(" stroke-width='0.1'")
f.write(">\n")
s = ""
for path in path_list:
if path.winding != winding:
continue
f.write("<path")
f.write(" stroke='#%02x%02x%02x'" %
(r(path.id), g(path.id), b(path.id)))
f.write(" d='")
first = True
for point in path.points:
x = point.x
y = point.y
s += (
"<text x='%g' y='%g' font-size='0.3' fill='#000000'>%d</text>\n"
% (x, y, point.id))
if first:
first = False
f.write("M ")
else:
f.write(" L ")
f.write("%g %g" % (x, y))
f.write(" z'/>\n")
f.write(s)
f.write("</g>\n")
f.write("<g font-size='0.3' fill='#000000' opacity='0.5'>\n")
for j in range(h):
for i in range(w):
c = image[j][i]
if c != ' ':
f.write("<text x='%g' y='%g'>%c</text>\n" %
(i * 1.0, j * 1.0, c))
f.write("</g>\n")
f.write("</g>\n")
f.write("</g>\n")
f.write("</svg>\n")