def recur(arealist, a1, stepover, from_center):
# this makes arealist by recursively offsetting a1 inwards
if a1.num_curves() == 0:
return
if from_center:
arealist.insert(0, a1)
else:
arealist.append(a1)
a_offset = area.Area(a1)
a_offset.Offset(stepover)
# split curves into new areas
if area.holes_linked():
for curve in a_offset.getCurves():
a2 = area.Area()
a2.append(curve)
recur(arealist, a2, stepover, from_center)
else:
# split curves into new areas
a_offset.Reorder()
a2 = None
for curve in a_offset.getCurves():
if curve.IsClockwise():
if a2 != None:
a2.append(curve)
else:
if a2 != None:
recur(arealist, a2, stepover, from_center)
a2 = area.Area()
a2.append(curve)
if a2 != None:
recur(arealist, a2, stepover, from_center)
def recur(arealist, a1, stepover, from_center):
# this makes arealist by recursively offsetting a1 inwards
if a1.num_curves() == 0:
return
if from_center:
arealist.insert(0, a1)
else:
arealist.append(a1)
a_offset = area.Area(a1)
a_offset.Offset(stepover)
# split curves into new areas
if area.holes_linked():
for curve in a_offset.getCurves():
a2 = area.Area()
a2.append(curve)
recur(arealist, a2, stepover, from_center)
else:
# split curves into new areas
a_offset.Reorder()
a2 = None
for curve in a_offset.getCurves():
if curve.IsClockwise():
if a2 != None:
a2.append(curve)
else:
if a2 != None:
recur(arealist, a2, stepover, from_center)
a2 = area.Area()
a2.append(curve)
if a2 != None:
recur(arealist, a2, stepover, from_center)
def pocket(a,
tool_radius,
extra_offset,
stepover,
depthparams,
from_center,
keep_tool_down_if_poss,
use_zig_zag,
zig_angle,
zig_unidirectional=False,
start_point=None,
cut_mode='conventional',
entry_style='plunge'):
global tool_radius_for_pocket
global area_for_feed_possible
#if len(a.getCurves()) > 1:
# for crv in a.getCurves():
# ar = area.Area()
# ar.append(crv)
# pocket(ar, tool_radius, extra_offset, rapid_safety_space, start_depth, final_depth, stepover, stepdown, clearance_height, from_center, keep_tool_down_if_poss, use_zig_zag, zig_angle, zig_unidirectional)
# return
tool_radius_for_pocket = tool_radius
if keep_tool_down_if_poss:
area_for_feed_possible = area.Area(a)
area_for_feed_possible.Offset(extra_offset - 0.01)
use_internal_function = (
area.holes_linked() == False
) # use internal function, if area module is the Clipper library
if use_internal_function:
curve_list = a.MakePocketToolpath(tool_radius, extra_offset, stepover,
from_center, use_zig_zag, zig_angle)
else:
global sin_angle_for_zigs
global cos_angle_for_zigs
global sin_minus_angle_for_zigs
global cos_minus_angle_for_zigs
radians_angle = zig_angle * math.pi / 180
sin_angle_for_zigs = math.sin(-radians_angle)
cos_angle_for_zigs = math.cos(-radians_angle)
sin_minus_angle_for_zigs = math.sin(radians_angle)
cos_minus_angle_for_zigs = math.cos(radians_angle)
arealist = list()
a_offset = area.Area(a)
current_offset = tool_radius + extra_offset
a_offset.Offset(current_offset)
do_recursive = True
if use_zig_zag:
zigzag(a_offset, stepover, zig_unidirectional)
curve_list = curve_list_for_zigs
else:
if do_recursive:
recur(arealist, a_offset, stepover, from_center)
else:
while (a_offset.num_curves() > 0):
if from_center:
arealist.insert(0, a_offset)
else:
arealist.append(a_offset)
current_offset = current_offset + stepover
a_offset = area.Area(a)
a_offset.Offset(current_offset)
curve_list = get_curve_list(arealist, cut_mode == 'climb')
depths = depthparams.get_depths()
current_start_depth = depthparams.start_depth
if start_point == None:
for depth in depths:
cut_curvelist1(curve_list, depthparams.rapid_safety_space,
current_start_depth, depth,
depthparams.clearance_height,
keep_tool_down_if_poss, entry_style)
current_start_depth = depth
else:
for depth in depths:
cut_curvelist2(curve_list, depthparams.rapid_safety_space,
current_start_depth, depth,
depthparams.clearance_height,
keep_tool_down_if_poss, start_point)
current_start_depth = depth
def pocket(a,tool_radius, extra_offset, stepover, depthparams, from_center, keep_tool_down_if_poss, use_zig_zag, zig_angle, zig_unidirectional = False,start_point=None, cut_mode = 'conventional'):
global tool_radius_for_pocket
global area_for_feed_possible
#if len(a.getCurves()) > 1:
# for crv in a.getCurves():
# ar = area.Area()
# ar.append(crv)
# pocket(ar, tool_radius, extra_offset, rapid_safety_space, start_depth, final_depth, stepover, stepdown, clearance_height, from_center, keep_tool_down_if_poss, use_zig_zag, zig_angle, zig_unidirectional)
# return
tool_radius_for_pocket = tool_radius
if keep_tool_down_if_poss:
area_for_feed_possible = area.Area(a)
area_for_feed_possible.Offset(extra_offset - 0.01)
use_internal_function = (area.holes_linked() == False) # use internal function, if area module is the Clipper library
if use_internal_function:
curve_list = a.MakePocketToolpath(tool_radius, extra_offset, stepover, from_center, use_zig_zag, zig_angle)
else:
global sin_angle_for_zigs
global cos_angle_for_zigs
global sin_minus_angle_for_zigs
global cos_minus_angle_for_zigs
radians_angle = zig_angle * math.pi / 180
sin_angle_for_zigs = math.sin(-radians_angle)
cos_angle_for_zigs = math.cos(-radians_angle)
sin_minus_angle_for_zigs = math.sin(radians_angle)
cos_minus_angle_for_zigs = math.cos(radians_angle)
arealist = list()
a_offset = area.Area(a)
current_offset = tool_radius + extra_offset
a_offset.Offset(current_offset)
do_recursive = True
if use_zig_zag:
zigzag(a_offset, stepover, zig_unidirectional)
curve_list = curve_list_for_zigs
else:
if do_recursive:
recur(arealist, a_offset, stepover, from_center)
else:
while(a_offset.num_curves() > 0):
if from_center:
arealist.insert(0, a_offset)
else:
arealist.append(a_offset)
current_offset = current_offset + stepover
a_offset = area.Area(a)
a_offset.Offset(current_offset)
curve_list = get_curve_list(arealist, cut_mode == 'climb')
depths = depthparams.get_depths()
current_start_depth = depthparams.start_depth
if start_point==None:
for depth in depths:
cut_curvelist1(curve_list, depthparams.rapid_safety_space, current_start_depth, depth, depthparams.clearance_height, keep_tool_down_if_poss)
current_start_depth = depth
else:
for depth in depths:
cut_curvelist2(curve_list, depthparams.rapid_safety_space, current_start_depth, depth, depthparams.clearance_height, keep_tool_down_if_poss, start_point)
current_start_depth = depth
def pocket(
a,
tool_radius,
extra_offset,
rapid_safety_space,
start_depth,
final_depth,
stepover,
stepdown,
clearance_height,
from_center,
keep_tool_down_if_poss,
use_zig_zag,
zig_angle,
zig_unidirectional=False,
start_point=None,
):
global tool_radius_for_pocket
global area_for_feed_possible
tool_radius_for_pocket = tool_radius
if keep_tool_down_if_poss:
area_for_feed_possible = area.Area(a)
area_for_feed_possible.Offset(extra_offset - 0.01)
if rapid_safety_space > clearance_height:
rapid_safety_space = clearance_height
use_internal_function = area.holes_linked() == False # use internal function, if area module is the Clipper library
if use_internal_function:
curve_list = a.MakePocketToolpath(tool_radius, extra_offset, stepover, from_center, use_zig_zag, zig_angle)
else:
global sin_angle_for_zigs
global cos_angle_for_zigs
global sin_minus_angle_for_zigs
global cos_minus_angle_for_zigs
radians_angle = zig_angle * math.pi / 180
sin_angle_for_zigs = math.sin(-radians_angle)
cos_angle_for_zigs = math.cos(-radians_angle)
sin_minus_angle_for_zigs = math.sin(radians_angle)
cos_minus_angle_for_zigs = math.cos(radians_angle)
arealist = list()
a_offset = area.Area(a)
current_offset = tool_radius + extra_offset
a_offset.Offset(current_offset)
do_recursive = True
if use_zig_zag:
zigzag(a_offset, stepover, zig_unidirectional)
curve_list = curve_list_for_zigs
else:
if do_recursive:
recur(arealist, a_offset, stepover, from_center)
else:
while a_offset.num_curves() > 0:
if from_center:
arealist.insert(0, a_offset)
else:
arealist.append(a_offset)
current_offset = current_offset + stepover
a_offset = area.Area(a)
a_offset.Offset(current_offset)
curve_list = get_curve_list(arealist)
layer_count = int((start_depth - final_depth) / stepdown)
if layer_count * stepdown + 0.00001 < start_depth - final_depth:
layer_count += 1
current_start_depth = start_depth
if start_point == None:
for i in range(1, layer_count + 1):
if i == layer_count:
depth = final_depth
else:
depth = start_depth - i * stepdown
cut_curvelist1(
curve_list, rapid_safety_space, current_start_depth, depth, clearance_height, keep_tool_down_if_poss
)
current_start_depth = depth
else:
for i in range(1, layer_count + 1):
if i == layer_count:
depth = final_depth
else:
depth = start_depth - i * stepdown
cut_curvelist2(
curve_list,
rapid_safety_space,
current_start_depth,
depth,
clearance_height,
keep_tool_down_if_poss,
start_point,
)
current_start_depth = depth
def pocket(a,
tool_radius,
extra_offset,
rapid_safety_space,
start_depth,
final_depth,
stepover,
stepdown,
clearance_height,
from_center,
keep_tool_down_if_poss,
use_zig_zag,
zig_angle,
zig_unidirectional=False,
start_point=None):
global tool_radius_for_pocket
global area_for_feed_possible
tool_radius_for_pocket = tool_radius
if keep_tool_down_if_poss:
area_for_feed_possible = area.Area(a)
area_for_feed_possible.Offset(extra_offset - 0.01)
if rapid_safety_space > clearance_height:
rapid_safety_space = clearance_height
use_internal_function = (
area.holes_linked() == False
) # use internal function, if area module is the Clipper library
if use_internal_function:
curve_list = a.MakePocketToolpath(tool_radius, extra_offset, stepover,
from_center, use_zig_zag, zig_angle)
else:
global sin_angle_for_zigs
global cos_angle_for_zigs
global sin_minus_angle_for_zigs
global cos_minus_angle_for_zigs
radians_angle = zig_angle * math.pi / 180
sin_angle_for_zigs = math.sin(-radians_angle)
cos_angle_for_zigs = math.cos(-radians_angle)
sin_minus_angle_for_zigs = math.sin(radians_angle)
cos_minus_angle_for_zigs = math.cos(radians_angle)
arealist = list()
a_offset = area.Area(a)
current_offset = tool_radius + extra_offset
a_offset.Offset(current_offset)
do_recursive = True
if use_zig_zag:
zigzag(a_offset, stepover, zig_unidirectional)
curve_list = curve_list_for_zigs
else:
if do_recursive:
recur(arealist, a_offset, stepover, from_center)
else:
while (a_offset.num_curves() > 0):
if from_center:
arealist.insert(0, a_offset)
else:
arealist.append(a_offset)
current_offset = current_offset + stepover
a_offset = area.Area(a)
a_offset.Offset(current_offset)
curve_list = get_curve_list(arealist)
layer_count = int((start_depth - final_depth) / stepdown)
if layer_count * stepdown + 0.00001 < start_depth - final_depth:
layer_count += 1
current_start_depth = start_depth
if start_point == None:
for i in range(1, layer_count + 1):
if i == layer_count:
depth = final_depth
else:
depth = start_depth - i * stepdown
cut_curvelist1(curve_list, rapid_safety_space, current_start_depth,
depth, clearance_height, keep_tool_down_if_poss)
current_start_depth = depth
else:
for i in range(1, layer_count + 1):
if i == layer_count:
depth = final_depth
else:
depth = start_depth - i * stepdown
cut_curvelist2(curve_list, rapid_safety_space, current_start_depth,
depth, clearance_height, keep_tool_down_if_poss,
start_point)
current_start_depth = depth