def _process_one_grid_line((positions, minz, maxz, model, cutter, physics)):
""" This function assumes, that the positions are next to each other.
Otherwise the dynamic over-sampling (in get_max_height_dynamic) is
pointless.
"""
return get_max_height_dynamic(model, cutter, positions, minz, maxz,
physics)
def GenerateToolPathLineDrop(self, pa, line, minz, maxz, horiz_step, previous_z, draw_callback=None):
if line.minz >= previous_z:
# the line is not below maxz -> nothing to be done
return
pa.new_direction(0)
pa.new_scanline()
if not self.combined_model:
# no obstacle -> minimum height
# TODO: this "max(..)" is not correct for inclined lines
points = [
Point(line.p1.x, line.p1.y, max(minz, line.p1.z)),
Point(line.p2.x, line.p2.y, max(minz, line.p2.z)),
]
else:
# TODO: this "max(..)" is not correct for inclined lines.
p1 = Point(line.p1.x, line.p1.y, max(minz, line.p1.z))
p2 = Point(line.p2.x, line.p2.y, max(minz, line.p2.z))
distance = line.len
# we want to have at least five steps each
num_of_steps = max(5, 1 + ceil(distance / horiz_step))
# steps may be negative
x_step = (p2.x - p1.x) / (num_of_steps - 1)
y_step = (p2.y - p1.y) / (num_of_steps - 1)
x_steps = [(p1.x + i * x_step) for i in range(num_of_steps)]
y_steps = [(p1.y + i * y_step) for i in range(num_of_steps)]
step_coords = zip(x_steps, y_steps)
# TODO: this "min(..)" is not correct for inclided lines. This
# should be fixed in "get_max_height".
points = get_max_height_dynamic(
self.combined_model, self.cutter, step_coords, min(p1.z, p2.z), maxz, self.physics
)
for point in points:
if point is None:
# exceeded maxz - the cutter has to skip this point
pa.end_scanline()
pa.new_scanline()
continue
pa.append(point)
if draw_callback and points:
draw_callback(tool_position=points[-1], toolpath=pa.paths)
pa.end_scanline()
pa.end_direction()
def GenerateToolPathLineDrop(self, pa, line, minz, maxz, horiz_step,
previous_z, draw_callback=None):
if line.minz >= previous_z:
# the line is not below maxz -> nothing to be done
return
pa.new_direction(0)
pa.new_scanline()
if not self.combined_model:
# no obstacle -> minimum height
# TODO: this "max(..)" is not correct for inclined lines
points = [Point(line.p1.x, line.p1.y, max(minz, line.p1.z)),
Point(line.p2.x, line.p2.y, max(minz, line.p2.z))]
else:
# TODO: this "max(..)" is not correct for inclined lines.
p1 = Point(line.p1.x, line.p1.y, max(minz, line.p1.z))
p2 = Point(line.p2.x, line.p2.y, max(minz, line.p2.z))
distance = line.len
# we want to have at least five steps each
num_of_steps = max(5, 1 + ceil(distance / horiz_step))
# steps may be negative
x_step = (p2.x - p1.x) / (num_of_steps - 1)
y_step = (p2.y - p1.y) / (num_of_steps - 1)
x_steps = [(p1.x + i * x_step) for i in range(num_of_steps)]
y_steps = [(p1.y + i * y_step) for i in range(num_of_steps)]
step_coords = zip(x_steps, y_steps)
# TODO: this "min(..)" is not correct for inclided lines. This
# should be fixed in "get_max_height".
points = get_max_height_dynamic(self.combined_model, self.cutter,
step_coords, min(p1.z, p2.z), maxz, self.physics)
for point in points:
if point is None:
# exceeded maxz - the cutter has to skip this point
pa.end_scanline()
pa.new_scanline()
continue
pa.append(point)
if draw_callback and points:
draw_callback(tool_position=points[-1], toolpath=pa.paths)
pa.end_scanline()
pa.end_direction()
def _process_one_grid_line((positions, minz, maxz, model, cutter, physics)):
""" This function assumes, that the positions are next to each other.
Otherwise the dynamic over-sampling (in get_max_height_dynamic) is
pointless.
"""
return get_max_height_dynamic(model, cutter, positions, minz, maxz, physics)
