def printOffsets(ofs):
nloop = 0
for lop in ofs:
n = 0
N = len(lop)
first_point=[]
previous=[]
for p in lop:
# p[0] is the Point
# p[1] is -1 for lines, and r for arcs
if n==0: # don't draw anything on the first iteration
previous=p[0]
ngc_writer.pen_up()
ngc_writer.xy_rapid_to( scale*previous.x, scale*previous.y)
ngc_writer.pen_down()
else:
cw=p[3] # cw or ccw arc
cen=p[2] # center of arc
r=p[1] # radius of arc
p=p[0] # target position
if r==-1: # -1 means line
ngc_writer.xy_line_to( scale*p.x, scale*p.y )
else:
ngc_writer.xy_arc_to( scale*p.x, scale*p.y, scale*r, scale*cen.x, scale*cen.y, cw )
previous=p
n=n+1
nloop = nloop+1
def OutputGCode(lev, paths, fn):
nw.clearance_height = config.top + config.clearance_above_top
nw.feed_height = config.top + config.engage_above_top
nw.feed = config.feed
nw.plunge_feed = config.plunge_feed
nw.writer = FileWriter(fn)
nw.comment("============ START G-CODE ===============")
nw.preamble()
nw.pen_up()
pairs = zip(lev, paths)
for lev, path in sorted(pairs, key = lambda(p): -p[0]):
nw.comment("level=%s" % lev)
for curve in path:
vertices = curve.getVertices()
current = vertices[0].p
nw.xy_rapid_to(current.x, current.y)
nw.pen_down(lev)
for v in vertices[1:]:
if v.type == 0:
nw.line_to(v.p.x, v.p.y, lev)
else:
r = math.hypot(v.p.x - v.c.x, v.p.y - v.c.y)
nw.xy_arc_to(v.p.x, v.p.y, r, v.c.x, v.c.y, v.type != 1)
nw.pen_up()
nw.postamble()
nw.comment("============ END G-CODE ===============")
nw.writer.Close()
def printOffsets(ofs):
nloop = 0
for lop in ofs:
n = 0
N = len(lop)
first_point = []
previous = []
for p in lop:
# p[0] is the Point
# p[1] is -1 for lines, and r for arcs
if n == 0: # don't draw anything on the first iteration
previous = p[0]
ngc_writer.pen_up()
ngc_writer.xy_rapid_to(scale * previous.x, scale * previous.y)
ngc_writer.pen_down()
else:
cw = p[3] # cw or ccw arc
cen = p[2] # center of arc
r = p[1] # radius of arc
p = p[0] # target position
if r == -1: # -1 means line
ngc_writer.xy_line_to(scale * p.x, scale * p.y)
else:
ngc_writer.xy_arc_to(scale * p.x, scale * p.y, scale * r,
scale * cen.x, scale * cen.y, cw)
previous = p
n = n + 1
nloop = nloop + 1
