def make_area_for_roughing(k):
num_spans = kurve.num_spans(k)
if num_spans == 0:
raise "sketch has no spans!"
d, startx, starty, ex, ey, cx, cy = kurve.get_span(k, 0)
d, sx, sy, endx, endy, cx, cy = kurve.get_span(k, num_spans - 1)
a = area.Area()
c = area.Curve()
largey = 7
for span in range(0, num_spans):
d, sx, sy, ex, ey, cx, cy = kurve.get_span(k, span)
if span == 0: # first span
c.append(
area.Vertex(0, area.Point(startx, largey), area.Point(0, 0)))
c.append(area.Vertex(d, area.Point(ex, ey), area.Point(cx, cy)))
# close the area
c.append(area.Vertex(0, area.Point(endx, largey), area.Point(0, 0)))
c.append(area.Vertex(0, area.Point(startx, largey), area.Point(0, 0)))
a.append(c)
return a
def make_circle(p, radius):
circle = area.Area()
c = area.Curve()
c.append(p + area.Point(radius, 0))
c.append(area.Vertex(1, p + area.Point(-radius, 0), p))
c.append(area.Vertex(1, p + area.Point(radius, 0), p))
circle.append(c)
return circle
def zigzag(a, stepover, zig_unidirectional):
if a.num_curves() == 0:
return
global rightward_for_zigs
global curve_list_for_zigs
global sin_angle_for_zigs
global cos_angle_for_zigs
global sin_minus_angle_for_zigs
global cos_minus_angle_for_zigs
global one_over_units
one_over_units = 1 / area.get_units()
a = rotated_area(a)
b = area.Box()
a.GetBox(b)
x0 = b.MinX() - 1.0
x1 = b.MaxX() + 1.0
height = b.MaxY() - b.MinY()
num_steps = int(height / stepover + 1)
y = b.MinY() + 0.1 * one_over_units
null_point = area.Point(0, 0)
rightward_for_zigs = True
curve_list_for_zigs = []
for i in range(0, num_steps):
y0 = y
y = y + stepover
p0 = area.Point(x0, y0)
p1 = area.Point(x0, y)
p2 = area.Point(x1, y)
p3 = area.Point(x1, y0)
c = area.Curve()
c.append(area.Vertex(0, p0, null_point, 0))
c.append(area.Vertex(0, p1, null_point, 0))
c.append(area.Vertex(0, p2, null_point, 1))
c.append(area.Vertex(0, p3, null_point, 0))
c.append(area.Vertex(0, p0, null_point, 1))
a2 = area.Area()
a2.append(c)
a2.Intersect(a)
make_zig(a2, y0, y, zig_unidirectional)
if zig_unidirectional == False:
rightward_for_zigs = (rightward_for_zigs == False)
reorder_zigs()
def add_roll_off(curve, roll_off_curve, direction, roll_radius, offset_extra,
roll_off):
if direction == "on":
return
if roll_off is None:
return
if curve.getNumVertices() <= 1:
return
last_span = curve.GetLastSpan()
if roll_off == 'auto':
if roll_radius < 0.0000000001:
return
v = last_span.GetVector(1.0) # get end direction
if direction == 'right':
off_v = area.Point(v.y, -v.x)
else:
off_v = area.Point(-v.y, v.x)
rollend = last_span.v.p + off_v * roll_radius
else:
rollend = roll_off
# add the end of the original kurve
roll_off_curve.append(last_span.v.p)
if rollend == last_span.v.p:
return
rvertex = area.Vertex(rollend)
v = last_span.GetVector(1.0) # get end direction
rvertex.c, rvertex.type = area.TangentialArc(last_span.v.p, rollend, v)
# add the roll off arc
roll_off_curve.append(rvertex)
def add_roll_on(curve, roll_on_curve, direction, roll_radius, offset_extra, roll_on):
if direction == "on":
roll_on = None
if curve.getNumVertices() <= 1:
return
first_span = curve.GetFirstSpan()
if roll_on is None:
rollstart = first_span.p
elif roll_on == 'auto':
if roll_radius < 0.0000000001:
rollstart = first_span.p
v = first_span.GetVector(0.0)
if direction == 'right':
off_v = area.Point(v.y, -v.x)
else:
off_v = area.Point(-v.y, v.x)
rollstart = first_span.p + off_v * roll_radius
else:
rollstart = roll_on
rvertex = area.Vertex(first_span.p)
if first_span.p == rollstart:
rvertex.type = 0
else:
v = first_span.GetVector(0.0) # get start direction
rvertex.c, rvertex.type = area.TangentialArc(
first_span.p, rollstart, -v)
rvertex.type = -rvertex.type # because TangentialArc was used in reverse
# add a start roll on point
roll_on_curve.append(rollstart)
# add the roll on arc
roll_on_curve.append(rvertex)
def make_zig_curve(curve, y0, y):
global test_count
if rightward_for_zigs:
curve.Reverse()
zig = area.Curve()
zig_started = False
zag_found = False
prev_p = None
for vertex in curve.getVertices():
if prev_p != None:
if math.fabs(vertex.p.y - y0) < 0.002:
if zig_started:
zig.append(unrotated_vertex(vertex))
elif math.fabs(prev_p.y - y0) < 0.002 and vertex.type == 0:
zig.append(
area.Vertex(0, unrotated_point(prev_p),
area.Point(0, 0)))
zig.append(unrotated_vertex(vertex))
zig_started = True
elif zig_started:
zig.append(unrotated_vertex(vertex))
if math.fabs(vertex.p.y - y) < 0.002:
zag_found = True
break
prev_p = vertex.p
if zig_started:
curve_list_for_zigs.append(zig)
def makeAreaVertex(seg):
if seg.ShapeType == 'Edge':
if isinstance(seg.Curve, Part.Circle):
segtype = int(seg.Curve.Axis.z) # 1=ccw arc,-1=cw arc
vertex = area.Vertex(
segtype,
area.Point(
seg.valueAt(seg.LastParameter)[0],
seg.valueAt(seg.LastParameter)[1]),
area.Point(seg.Curve.Center.x, seg.Curve.Center.y))
elif isinstance(seg.Curve, Part.LineSegment) or isinstance(
seg.Curve, Part.Line):
point1 = seg.valueAt(seg.FirstParameter)[0], seg.valueAt(
seg.FirstParameter)[1]
point2 = seg.valueAt(seg.LastParameter)[0], seg.valueAt(
seg.LastParameter)[1]
segtype = 0 # 0=line
vertex = area.Point(
seg.valueAt(seg.LastParameter)[0],
seg.valueAt(seg.LastParameter)[1])
else:
pass
# print "returning vertex: area.Point(" +
# str(seg.valueAt(seg.LastParameter)[0]) +"," +
# str(seg.valueAt(seg.LastParameter)[1]) +")"
return vertex
def make_obround(p0, p1, radius):
dir = p1 - p0
d = dir.length()
dir.normalize()
right = area.Point(dir.y, -dir.x)
obround = area.Area()
c = area.Curve()
vt0 = p0 + right * radius
vt1 = p1 + right * radius
vt2 = p1 - right * radius
vt3 = p0 - right * radius
c.append(area.Vertex(0, vt0, area.Point(0, 0)))
c.append(area.Vertex(0, vt1, area.Point(0, 0)))
c.append(area.Vertex(1, vt2, p1))
c.append(area.Vertex(0, vt3, area.Point(0, 0)))
c.append(area.Vertex(1, vt0, p0))
obround.append(c)
return obround
def calculate_span_cylinders(self, span, color):
sz = span.p.y
ez = span.v.p.y
z = sz
while z < ez:
# make a line at this z
intersection_line = area.Span(
area.Point(0, z),
area.Vertex(0, area.Point(300, z), area.Point(0, 0)), False)
intersections = span.Intersect(intersection_line)
if len(intersections):
radius = intersections[0].x * toolpath.coords.voxels_per_mm
self.cylinders.append(
VoxelCyl(radius, z * toolpath.coords.voxels_per_mm, color))
z += 1 / toolpath.coords.voxels_per_mm
def arc(self, dir, x, y, z, i, j, k, r):
self.rapid_flag = False
if x == None: x = self.x
if y == None: y = self.y
if z == None: z = self.z
area.set_units(0.05)
curve = area.Curve()
curve.append(area.Point(self.x, self.y))
curve.append(area.Vertex(dir, area.Point(x, y), area.Point(i, j)))
curve.UnFitArcs()
for span in curve.GetSpans():
self.add_line(Point(span.p.x, span.p.y, z),
Point(span.v.p.x, span.v.p.y, z))
self.x = x
self.y = y
self.z = z
def arc(self,
x=None,
y=None,
z=None,
i=None,
j=None,
k=None,
r=None,
ccw=True):
recreator.Redirector.arc(self, x, y, z, i, j, k, r, ccw)
# add an arc to the path
if self.path == None: self.path = area.Curve()
self.path.append(
area.Vertex(1 if ccw else -1, area.Point(self.x, self.y),
area.Point(i, j)))
rapid_safety_space = float(2)
start_depth = float(0)
step_down = float(1)
final_depth = float(-1)
tool_diameter = float(4.7752)
cutting_edge_angle = float(0)
#absolute() mode
roll_radius = float(2)
offset_extra = 0
comment('Sketch')
curve = area.Curve()
#open path
curve.append(area.Point(66.163292, 40.55579))
curve.append(area.Point(66.163292, -37.200397))
curve.append(
area.Vertex(-1, area.Point(56.163292, -47.200397),
area.Point(56.163292, -37.200397)))
curve.append(area.Point(-58.730675, -47.200397))
curve.append(
area.Vertex(-1, area.Point(-68.730675, -37.200397),
area.Point(-58.730675, -37.200397)))
curve.append(area.Point(-68.730675, 40.55579))
roll_on = 'auto'
roll_off = 'auto'
extend_at_start = 0
extend_at_end = 0
lead_in_line_len = 0
lead_out_line_len = 0
kurve_funcs.profile(curve, 'left', tool_diameter / 2, offset_extra,
roll_radius, roll_on, roll_off, rapid_safety_space,
clearance, start_depth, step_down, final_depth,
def unrotated_vertex(v):
if v.type:
return area.Vertex(v.type, unrotated_point(v.p), unrotated_point(v.c))
return area.Vertex(v.type, unrotated_point(v.p), area.Point(0, 0))
def load(self, nc_filepath):
# this converts the G1s in an NC file into arcs with G2 or G3
pattern_main = re.compile(
'([(!;].*|\s+|[a-zA-Z0-9_:](?:[+-])?\d*(?:\.\d*)?|\w\#\d+|\(.*?\)|\#\d+\=(?:[+-])?\d*(?:\.\d*)?)'
)
self.lines = []
self.length = 0.0
file = open(nc_filepath, 'r')
arc = 0
self.rapid = False
curx = None
cury = None
curz = None
while (True):
line = file.readline().rstrip()
if len(line) == 0: break
move = False
x = None
y = None
z = None
i = None
j = None
words = pattern_main.findall(line)
for word in words:
word = word.upper()
if word == 'G1' or word == 'G01':
self.rapid = False
arc = 0
elif word == 'G2' or word == 'G02':
self.rapid = False
arc = -1
elif word == 'G3' or word == 'G03':
self.rapid = False
arc = 1
elif word == 'G0' or word == 'G00':
self.rapid = True
arc = 0
elif word[0] == 'X':
x = eval(word[1:])
move = True
elif word[0] == 'Y':
y = eval(word[1:])
move = True
elif word[0] == 'Z':
z = eval(word[1:])
move = True
elif word[0] == 'I':
i = float(eval(word[1:]))
elif word[0] == 'J':
j = float(eval(word[1:]))
elif word[0] == 'T':
self.current_tool = eval(word[1:])
if (curx != None) and (cury != None) and (curz != None):
self.add_line(Point(curx, cury, curz),
Point(curx, cury, 30.0))
curz = 30.0
elif word[0] == ';':
break
if move:
if (curx != None) and (cury != None) and (curz != None):
newx = curx
newy = cury
newz = curz
if x != None: newx = float(x)
if y != None: newy = float(y)
if z != None: newz = float(z)
if arc != 0:
area.set_units(0.05)
curve = area.Curve()
curve.append(area.Point(curx, cury))
# next 4 lines were for Bridgeport.
# this only works for LinuxCNC now
#if (newx > curx) != (arc > 0):
# j = -j
#if (newy > cury) != (arc < 0):
# i = -i
curve.append(
area.Vertex(arc, area.Point(newx, newy),
area.Point(curx + i, cury + j)))
curve.UnFitArcs()
for span in curve.GetSpans():
self.add_line(Point(span.p.x, span.p.y, newz),
Point(span.v.p.x, span.v.p.y, newz))
else:
self.add_line(Point(curx, cury, curz),
Point(newx, newy, newz))
if x != None: curx = float(x)
if y != None: cury = float(y)
if z != None: curz = float(z)
for line in self.lines:
self.length += line.Length()
file.close()
self.rewind()
def zigzag(a, a_firstoffset, stepover):
if a.num_curves() == 0:
return
global rightward_for_zigs
global curve_list_for_zigs
global test_count
global sin_angle_for_zigs
global cos_angle_for_zigs
global sin_minus_angle_for_zigs
global cos_minus_angle_for_zigs
a = rotated_area(a)
b = area.Box()
a.GetBox(b)
#x0 = b.MinX() - 1.0
#x1 = b.MaxX() + 1.0
x1 = b.MinX() - 1.0
x0 = b.MaxX() + 1.0
height = b.MaxY() - b.MinY()
num_steps = int(height / stepover + 1)
#y = b.MinY() + 0.1
y = b.MaxY() - 0.1
null_point = area.Point(0, 0)
rightward_for_zigs = True
curve_list_for_zigs = []
test_count = 0
for i in range(0, num_steps):
#collect vertices for a box shape from X+,Y+ toward the curve
#then move the tool Y+ and then back toward the X start position
# ------->
# |
# -------<
test_count = test_count + 1
y0 = y
#y = y + stepover
y = y - stepover
p0 = area.Point(x0, y0)
p1 = area.Point(x0, y)
p2 = area.Point(x1, y)
p3 = area.Point(x1, y0)
c = area.Curve()
c.append(area.Vertex(0, p0, null_point, 0))
c.append(area.Vertex(0, p1, null_point, 0))
c.append(area.Vertex(0, p2, null_point, 1))
c.append(area.Vertex(0, p3, null_point, 0))
c.append(area.Vertex(0, p0, null_point, 1))
a2 = area.Area()
a2.append(c)
a2.Intersect(a)
rightward_for_zigs = (rightward_for_zigs == False)
y10 = y + stepover
#y = y + stepover
y2 = y + stepover * 2
p10 = area.Point(x0, y10)
p11 = area.Point(x0, y2)
p12 = area.Point(x1, y2)
p13 = area.Point(x1, y10)
c2 = area.Curve()
c2.append(area.Vertex(0, p10, null_point, 0))
c2.append(area.Vertex(0, p11, null_point, 0))
c2.append(area.Vertex(0, p12, null_point, 1))
c2.append(area.Vertex(0, p13, null_point, 0))
c2.append(area.Vertex(0, p10, null_point, 1))
a3 = area.Area()
a3.append(c2)
a3.Intersect(a)
make_zig(a3, y0, y)
rightward_for_zigs = (rightward_for_zigs == False)
reorder_zigs()
def make_zig_curve(curve, y0, y, zig_unidirectional):
if rightward_for_zigs:
curve.Reverse()
# find a high point to start looking from
high_point = None
for vertex in curve.getVertices():
if high_point == None:
high_point = vertex.p
elif vertex.p.y > high_point.y:
# use this as the new high point
high_point = vertex.p
elif math.fabs(vertex.p.y - high_point.y) < 0.002 * one_over_units:
# equal high point
if rightward_for_zigs:
# use the furthest left point
if vertex.p.x < high_point.x:
high_point = vertex.p
else:
# use the furthest right point
if vertex.p.x > high_point.x:
high_point = vertex.p
zig = area.Curve()
high_point_found = False
zig_started = False
zag_found = False
for i in range(
0, 2
): # process the curve twice because we don't know where it will start
prev_p = None
for vertex in curve.getVertices():
if zag_found: break
if prev_p != None:
if zig_started:
zig.append(unrotated_vertex(vertex))
if math.fabs(vertex.p.y - y) < 0.002 * one_over_units:
zag_found = True
break
elif high_point_found:
if math.fabs(vertex.p.y - y0) < 0.002 * one_over_units:
if zig_started:
zig.append(unrotated_vertex(vertex))
elif math.fabs(
prev_p.y - y0
) < 0.002 * one_over_units and vertex.type == 0:
zig.append(
area.Vertex(0, unrotated_point(prev_p),
area.Point(0, 0)))
zig.append(unrotated_vertex(vertex))
zig_started = True
elif vertex.p.x == high_point.x and vertex.p.y == high_point.y:
high_point_found = True
prev_p = vertex.p
if zig_started:
if zig_unidirectional == True:
# remove the last bit of zig
if math.fabs(zig.LastVertex().p.y - y) < 0.002 * one_over_units:
vertices = zig.getVertices()
while len(vertices) > 0:
v = vertices[len(vertices) - 1]
if math.fabs(v.p.y - y0) < 0.002 * one_over_units:
break
else:
vertices.pop()
zig = area.Curve()
for v in vertices:
zig.append(v)
curve_list_for_zigs.append(zig)
import centroid1
output(strippedpath[:-striptmp]+ 'tmp/test.tap')
program_begin(123, 'Test program')
absolute()
metric()
comment('')
workplane(1)
curve = area.Curve()
#closed path
curve.append(area.Point( 16.2551994324, 9.0))
curve.append(area.Vertex(1 , area.Point( 16.2552, 17.7616031082), area.Point(16.2552, 13.3808)))
curve.append(area.Point( -24.0, 17.7616004944))
curve.append(area.Vertex(1 , area.Point( -24.0, 8.99999689178), area.Point(-24.0, 13.3808)))
curve.append(area.Point(-24.0,17.7616031082))curve.append(area.Point(16.2551994324,9.0))
curve.Reverse()
tool_diameter = float(6.35)
tool_side ='left'
flush_nc()
clearance = float(50.0)
rapid_safety_space = float(5.0)
roll_on = 'auto'
roll_off = 'auto'
roll_radius = 2.0
lead_in_line_len= 2.0
lead_out_line_len= 2.0
extend_at_start=2.0