def __init__(self, shape=None):
if shape is None:
return
self.shape = shape
self.start, self.angle = self.shape.get_start_end_points(True, True)
self.end = self.start
self.geos = Geos([])
self.make_start_moves()
def getNewGeos(self, geos):
# TODO use intersect class and update_start_end_points
new_geos = Geos([])
for geo in geos.abs_iter():
if isinstance(geo, LineGeo):
new_geos.extend(self.breakLineGeo(geo))
elif isinstance(geo, ArcGeo):
new_geos.extend(self.breakArcGeo(geo))
else:
new_geos.append(geo)
return new_geos
def breakArcGeo(self, arcGeo):
"""
Try to break passed arcGeo with any of the shapes on a break layers.
Will break arcGeos recursively.
@return: The list of geometries after breaking (arcGeo itself if no breaking happened)
"""
newGeos = Geos([])
for breakLayer in self.breakLayers:
for breakShape in breakLayer.shapes.not_disabled_iter():
intersections = self.intersectArcGeometry(arcGeo, breakShape)
if len(intersections) == 2:
(near,
far) = self.classifyIntersections(arcGeo, intersections)
logger.debug(
"Arc %s broken from (%f, %f) to (%f, %f)" %
(arcGeo.toShortString(), near.x, near.y, far.x, far.y))
newGeos.extend(
self.breakArcGeo(
ArcGeo(Ps=arcGeo.Ps,
Pe=near,
O=arcGeo.O,
r=arcGeo.r,
s_ang=arcGeo.s_ang,
direction=arcGeo.ext)))
newGeos.append(
BreakGeo(near, far, breakShape.axis3_mill_depth,
breakShape.f_g1_plane, breakShape.f_g1_depth))
newGeos.extend(
self.breakArcGeo(
ArcGeo(Ps=far,
Pe=arcGeo.Pe,
O=arcGeo.O,
r=arcGeo.r,
e_ang=arcGeo.e_ang,
direction=arcGeo.ext)))
return newGeos
return [arcGeo]
def breakLineGeo(self, lineGeo):
"""
Try to break passed lineGeo with any of the shapes on a break layers.
Will break lineGeos recursively.
@return: The list of geometries after breaking (lineGeo itself if no breaking happened)
"""
newGeos = Geos([])
for breakLayer in self.breakLayers:
for breakShape in breakLayer.shapes.not_disabled_iter():
intersections = self.intersectLineGeometry(lineGeo, breakShape)
if len(intersections) == 2:
(near,
far) = self.classifyIntersections(lineGeo, intersections)
logger.debug("Line %s broken from (%f, %f) to (%f, %f)" %
(lineGeo.to_short_string(), near.x, near.y,
far.x, far.y))
newGeos.extend(self.breakLineGeo(LineGeo(lineGeo.Ps,
near)))
newGeos.append(
BreakGeo(near, far, breakShape.axis3_mill_depth,
breakShape.f_g1_plane, breakShape.f_g1_depth))
newGeos.extend(self.breakLineGeo(LineGeo(far, lineGeo.Pe)))
return newGeos
return [lineGeo]
def make_start_moves(self):
"""
This function called to create the start move. It will
be generated based on the given values for start and angle.
"""
self.geos = Geos([])
if g.config.machine_type == 'drag_knife':
self.make_swivelknife_move()
return
# Get the start rad. and the length of the line segment at begin.
start_rad = self.shape.parentLayer.start_radius
# Get tool radius based on tool diameter.
tool_rad = self.shape.parentLayer.getToolRadius()
# Calculate the starting point with and without compensation.
start = self.start
angle = self.angle
if self.shape.cut_cor == 40:
self.append(RapidPos(start))
elif self.shape.cut_cor != 40 and not g.config.vars.Cutter_Compensation[
"done_by_machine"]:
toolwidth = self.shape.parentLayer.getToolRadius()
offtype = "in" if self.shape.cut_cor == 42 else "out"
offshape = offShapeClass(parent=self.shape,
offset=toolwidth,
offtype=offtype)
if len(offshape.rawoff) > 0:
start, angle = offshape.rawoff[0].get_start_end_points(
True, True)
self.append(RapidPos(start))
self.geos += offshape.rawoff
# Cutting Compensation Left
elif self.shape.cut_cor == 41:
# Center of the Starting Radius.
Oein = start.get_arc_point(angle + pi / 2, start_rad + tool_rad)
# Start Point of the Radius
Ps_ein = Oein.get_arc_point(angle + pi, start_rad + tool_rad)
# Start Point of the straight line segment at begin.
Pg_ein = Ps_ein.get_arc_point(angle + pi / 2, start_rad)
# Get the dive point for the starting contour and append it.
start_ein = Pg_ein.get_arc_point(angle, tool_rad)
self.append(RapidPos(start_ein))
# generate the Start Line and append it including the compensation.
start_line = LineGeo(start_ein, Ps_ein)
self.append(start_line)
# generate the start rad. and append it.
start_rad = ArcGeo(Ps=Ps_ein,
Pe=start,
O=Oein,
r=start_rad + tool_rad,
direction=1)
self.append(start_rad)
# Cutting Compensation Right
elif self.shape.cut_cor == 42:
# Center of the Starting Radius.
Oein = start.get_arc_point(angle - pi / 2, start_rad + tool_rad)
# Start Point of the Radius
Ps_ein = Oein.get_arc_point(angle + pi, start_rad + tool_rad)
# Start Point of the straight line segment at begin.
Pg_ein = Ps_ein.get_arc_point(angle - pi / 2, start_rad)
# Get the dive point for the starting contour and append it.
start_ein = Pg_ein.get_arc_point(angle, tool_rad)
self.append(RapidPos(start_ein))
# generate the Start Line and append it including the compensation.
start_line = LineGeo(start_ein, Ps_ein)
self.append(start_line)
# generate the start rad. and append it.
start_rad = ArcGeo(Ps=Ps_ein,
Pe=start,
O=Oein,
r=start_rad + tool_rad,
direction=0)
self.append(start_rad)
class StMove(object):
"""
This Function generates the StartMove for each shape. It
also performs the Plotting and Export of this moves. It is linked
to the shape of its parent
"""
# only need default arguments here because of the change of usage with super in QGraphicsLineItem
def __init__(self, shape=None):
if shape is None:
return
self.shape = shape
self.start, self.angle = self.shape.get_start_end_points(True, True)
self.end = self.start
self.geos = Geos([])
self.make_start_moves()
def append(self, geo):
# we don't want to additional scale / rotate the stmove geo
# so no geo.make_abs_geo(self.shape.parentEntity)
geo.make_abs_geo()
self.geos.append(geo)
def make_start_moves(self):
"""
This function called to create the start move. It will
be generated based on the given values for start and angle.
"""
self.geos = Geos([])
if g.config.machine_type == 'drag_knife':
self.make_swivelknife_move()
return
# Get the start rad. and the length of the line segment at begin.
start_rad = self.shape.parentLayer.start_radius
# Get tool radius based on tool diameter.
tool_rad = self.shape.parentLayer.getToolRadius()
# Calculate the starting point with and without compensation.
start = self.start
angle = self.angle
if self.shape.cut_cor == 40:
self.append(RapidPos(start))
elif self.shape.cut_cor != 40 and not g.config.vars.Cutter_Compensation[
"done_by_machine"]:
toolwidth = self.shape.parentLayer.getToolRadius()
offtype = "in" if self.shape.cut_cor == 42 else "out"
offshape = offShapeClass(parent=self.shape,
offset=toolwidth,
offtype=offtype)
if len(offshape.rawoff) > 0:
start, angle = offshape.rawoff[0].get_start_end_points(
True, True)
self.append(RapidPos(start))
self.geos += offshape.rawoff
# Cutting Compensation Left
elif self.shape.cut_cor == 41:
# Center of the Starting Radius.
Oein = start.get_arc_point(angle + pi / 2, start_rad + tool_rad)
# Start Point of the Radius
Ps_ein = Oein.get_arc_point(angle + pi, start_rad + tool_rad)
# Start Point of the straight line segment at begin.
Pg_ein = Ps_ein.get_arc_point(angle + pi / 2, start_rad)
# Get the dive point for the starting contour and append it.
start_ein = Pg_ein.get_arc_point(angle, tool_rad)
self.append(RapidPos(start_ein))
# generate the Start Line and append it including the compensation.
start_line = LineGeo(start_ein, Ps_ein)
self.append(start_line)
# generate the start rad. and append it.
start_rad = ArcGeo(Ps=Ps_ein,
Pe=start,
O=Oein,
r=start_rad + tool_rad,
direction=1)
self.append(start_rad)
# Cutting Compensation Right
elif self.shape.cut_cor == 42:
# Center of the Starting Radius.
Oein = start.get_arc_point(angle - pi / 2, start_rad + tool_rad)
# Start Point of the Radius
Ps_ein = Oein.get_arc_point(angle + pi, start_rad + tool_rad)
# Start Point of the straight line segment at begin.
Pg_ein = Ps_ein.get_arc_point(angle - pi / 2, start_rad)
# Get the dive point for the starting contour and append it.
start_ein = Pg_ein.get_arc_point(angle, tool_rad)
self.append(RapidPos(start_ein))
# generate the Start Line and append it including the compensation.
start_line = LineGeo(start_ein, Ps_ein)
self.append(start_line)
# generate the start rad. and append it.
start_rad = ArcGeo(Ps=Ps_ein,
Pe=start,
O=Oein,
r=start_rad + tool_rad,
direction=0)
self.append(start_rad)
def make_swivelknife_move(self):
"""
Set these variables for your tool and material
@param offset: knife tip distance from tool centerline. The radius of the
tool is used for this.
"""
offset = self.shape.parentLayer.getToolRadius()
drag_angle = self.shape.drag_angle
startnorm = offset * Point(
1, 0) # TODO make knife direction a config setting
prvend, prvnorm = Point(), Point()
first = True
for geo in self.shape.geos.abs_iter():
if isinstance(geo, LineGeo):
geo_b = deepcopy(geo)
if first:
first = False
prvend = geo_b.Ps + startnorm
prvnorm = startnorm
norm = offset * (geo_b.Pe - geo_b.Ps).unit_vector()
geo_b.Ps += norm
geo_b.Pe += norm
if not prvnorm == norm:
direction = prvnorm.to3D().cross_product(norm.to3D()).z
swivel = ArcGeo(Ps=prvend,
Pe=geo_b.Ps,
r=offset,
direction=direction)
swivel.drag = drag_angle < abs(swivel.ext)
self.append(swivel)
self.append(geo_b)
prvend = geo_b.Pe
prvnorm = norm
elif isinstance(geo, ArcGeo):
geo_b = deepcopy(geo)
if first:
first = False
prvend = geo_b.Ps + startnorm
prvnorm = startnorm
if geo_b.ext > 0.0:
norma = offset * Point(cos(geo_b.s_ang + pi / 2),
sin(geo_b.s_ang + pi / 2))
norme = Point(cos(geo_b.e_ang + pi / 2),
sin(geo_b.e_ang + pi / 2))
else:
norma = offset * Point(cos(geo_b.s_ang - pi / 2),
sin(geo_b.s_ang - pi / 2))
norme = Point(cos(geo_b.e_ang - pi / 2),
sin(geo_b.e_ang - pi / 2))
geo_b.Ps += norma
if norme.x > 0:
geo_b.Pe = Point(
geo_b.Pe.x + offset / (sqrt(1 +
(norme.y / norme.x)**2)),
geo_b.Pe.y + (offset * norme.y / norme.x) /
(sqrt(1 + (norme.y / norme.x)**2)))
elif norme.x == 0:
geo_b.Pe = Point(geo_b.Pe.x, geo_b.Pe.y)
else:
geo_b.Pe = Point(
geo_b.Pe.x - offset / (sqrt(1 +
(norme.y / norme.x)**2)),
geo_b.Pe.y - (offset * norme.y / norme.x) /
(sqrt(1 + (norme.y / norme.x)**2)))
if prvnorm != norma:
direction = prvnorm.to3D().cross_product(norma.to3D()).z
swivel = ArcGeo(Ps=prvend,
Pe=geo_b.Ps,
r=offset,
direction=direction)
swivel.drag = drag_angle < abs(swivel.ext)
self.append(swivel)
prvend = geo_b.Pe
prvnorm = offset * norme
if -pi < geo_b.ext < pi:
self.append(
ArcGeo(Ps=geo_b.Ps,
Pe=geo_b.Pe,
r=sqrt(geo_b.r**2 + offset**2),
direction=geo_b.ext))
else:
geo_b = ArcGeo(Ps=geo_b.Ps,
Pe=geo_b.Pe,
r=sqrt(geo_b.r**2 + offset**2),
direction=-geo_b.ext)
geo_b.ext = -geo_b.ext
self.append(geo_b)
# TODO support different geos, or disable them in the GUI
# else:
# self.append(copy(geo))
if not prvnorm == startnorm:
direction = prvnorm.to3D().cross_product(startnorm.to3D()).z
self.append(
ArcGeo(Ps=prvend,
Pe=prvend - prvnorm + startnorm,
r=offset,
direction=direction))
self.geos.insert(0, RapidPos(self.geos.abs_el(0).Ps))
self.geos[0].make_abs_geo()
def make_path(self, drawHorLine, drawVerLine):
for geo in self.geos.abs_iter():
drawVerLine(self.shape, geo.get_start_end_points(True))
geo.make_path(self.shape, drawHorLine)
if len(self.geos):
drawVerLine(self.shape, geo.get_start_end_points(False))