def derivedExecute(self,obj):
old_pos = App.Vector()
try:
old_pos = lattice2BaseFeature.getPlacementsList(obj, suppressWarning= True)[0].Base
except Exception:
pass #retrieving position may fail if the object is recomputed for the very first time
import lattice2GeomUtils
ori = lattice2GeomUtils.makeOrientationFromLocalAxesUni(obj.Priority, obj.XDir_wanted * 1.0, obj.YDir_wanted * 1.0, obj.ZDir_wanted * 1.0) # multiply vectors by 1.0 to copy them, to block mutation
plm = App.Placement(old_pos, ori)
obj.XDir_actual = ori.multVec(App.Vector(1,0,0))
obj.YDir_actual = ori.multVec(App.Vector(0,1,0))
obj.ZDir_actual = ori.multVec(App.Vector(0,0,1))
return [plm]
def derivedExecute(self, obj):
old_pos = App.Vector()
try:
old_pos = lattice2BaseFeature.getPlacementsList(
obj, suppressWarning=True)[0].Base
except Exception:
pass #retrieving position may fail if the object is recomputed for the very first time
import lattice2GeomUtils
ori = lattice2GeomUtils.makeOrientationFromLocalAxesUni(
obj.Priority, obj.XDir_wanted * 1.0, obj.YDir_wanted * 1.0,
obj.ZDir_wanted *
1.0) # multiply vectors by 1.0 to copy them, to block mutation
plm = App.Placement(old_pos, ori)
obj.XDir_actual = ori.multVec(App.Vector(1, 0, 0))
obj.YDir_actual = ori.multVec(App.Vector(0, 1, 0))
obj.ZDir_actual = ori.multVec(App.Vector(0, 0, 1))
return [plm]
def derivedExecute(self, obj):
#validity check
if not lattice2BaseFeature.isObjectLattice(screen(obj.Base)):
lattice2Executer.warning(
obj,
"A lattice object is expected as Base, but a generic shape was provided. It will be treated as a lattice object; results may be unexpected."
)
toolShape = screen(obj.Tool).Shape
if lattice2BaseFeature.isObjectLattice(screen(obj.Tool)):
lattice2Executer.warning(
obj,
"A lattice object was provided as Tool. It will be converted into points; orientations will be ignored."
)
leaves = LCE.AllLeaves(toolShape)
points = [Part.Vertex(leaf.Placement.Base) for leaf in leaves]
toolShape = Part.makeCompound(points)
leaves = LCE.AllLeaves(screen(obj.Base).Shape)
input = [leaf.Placement for leaf in leaves]
output = [] #variable to receive the final list of placements
#cache settings
elev = float(obj.PosElevation)
posIsKeep = obj.TranslateMode == 'keep'
posIsProjected = obj.TranslateMode == 'projected'
posIsMixed = obj.TranslateMode == 'mixed'
mixF = float(obj.PosMixFraction)
oriIsKeep = obj.OrientMode == 'keep'
oriIsAlongGap = obj.OrientMode == 'along gap'
oriIsTangentPlane = obj.OrientMode == 'tangent plane'
oriIsAlongU = obj.OrientMode == 'along u'
oriIsAlongV = obj.OrientMode == 'along v'
isMultiSol = obj.Multisolution == 'use all'
for plm in input:
v = Part.Vertex(plm.Base)
projection = v.distToShape(toolShape)
(dist, gaps, infos) = projection
for iSol in range(0, len(gaps)):
(posKeep, posPrj) = gaps[iSol]
(dummy, dummy, dummy, el_topo, el_index,
el_params) = infos[iSol]
# Fetch all possible parameters (some may not be required, depending on modes)
normal = posKeep - posPrj
if normal.Length < DistConfusion:
normal = None
tangU = None
tangV = None
if el_topo == 'Face':
face = toolShape.Faces[el_index]
if normal is None:
normal = face.normalAt(*el_params)
(tangU, tangV) = face.tangentAt(*el_params)
elif el_topo == "Edge":
edge = toolShape.Edges[el_index]
tangU = edge.tangentAt(el_params)
if normal is not None:
normal.normalize()
#mode logic - compute new placement
if posIsKeep:
pos = plm.Base
elif posIsProjected:
pos = posPrj
elif posIsMixed:
pos = posKeep * mixF + posPrj * (1 - mixF)
else:
raise ValueError("Positioning mode not implemented: " +
obj.TranslateMode)
if abs(elev) > DistConfusion:
if normal is None:
raise ValueError(
"Normal vector not available for a placement resting on "
+ el_topo +
". Normal vector is required for nonzero position elevation."
)
pos += normal * elev
if oriIsKeep:
ori = plm.Rotation
elif oriIsAlongGap:
if normal is None:
raise ValueError(
"Normal vector not available for a placement resting on "
+ el_topo +
". Normal vector is required for orientation mode '"
+ obj.OrientMode + "'")
ori = Utils.makeOrientationFromLocalAxesUni("X",
XAx=normal *
(-1.0))
elif oriIsTangentPlane:
if normal is None:
raise ValueError(
"Normal vector not available for a placement resting on "
+ el_topo +
". Normal vector is required for orientation mode '"
+ obj.OrientMode + "'")
ori = Utils.makeOrientationFromLocalAxesUni("Z",
ZAx=normal)
elif oriIsAlongU:
if normal is None:
raise ValueError(
"Normal vector not available for a placement resting on "
+ el_topo +
". Normal vector is required for orientation mode '"
+ obj.OrientMode + "'")
if tangU is None:
raise ValueError(
"TangentU vector not available for point on " +
el_topo +
". TangentU vector is required for orientation mode '"
+ obj.OrientMode + "'")
ori = Utils.makeOrientationFromLocalAxesUni("ZX",
ZAx=normal,
XAx=tangU)
elif oriIsAlongV:
if normal is None:
raise ValueError(
"Normal vector not available for a placement resting on "
+ el_topo +
". Normal vector is required for orientation mode '"
+ obj.OrientMode + "'")
if tangV is None:
raise ValueError(
"TangentV vector not available for point on " +
el_topo +
". TangentV vector is required for orientation mode '"
+ obj.OrientMode + "'")
ori = Utils.makeOrientationFromLocalAxesUni("ZX",
ZAx=normal,
XAx=tangV)
else:
raise ValueError("Orientation mode not implemented: " +
obj.OrientMode)
output.append(App.Placement(pos, ori))
if not isMultiSol:
break
return output
def derivedExecute(self,obj):
#validity check
if not lattice2BaseFeature.isObjectLattice(obj.Base):
lattice2Executer.warning(obj,"A lattice object is expected as Base, but a generic shape was provided. It will be treated as a lattice object; results may be unexpected.")
toolShape = obj.Tool.Shape
if lattice2BaseFeature.isObjectLattice(obj.Tool):
lattice2Executer.warning(obj,"A lattice object was provided as Tool. It will be converted into points; orientations will be ignored.")
leaves = LCE.AllLeaves(toolShape)
points = [Part.Vertex(leaf.Placement.Base) for leaf in leaves]
toolShape = Part.makeCompound(points)
leaves = LCE.AllLeaves(obj.Base.Shape)
input = [leaf.Placement for leaf in leaves]
output = [] #variable to receive the final list of placements
#cache settings
elev = float(obj.PosElevation)
posIsKeep = obj.TranslateMode == 'keep'
posIsProjected = obj.TranslateMode == 'projected'
posIsMixed = obj.TranslateMode == 'mixed'
mixF = float(obj.PosMixFraction)
oriIsKeep = obj.OrientMode == 'keep'
oriIsAlongGap = obj.OrientMode == 'along gap'
oriIsTangentPlane = obj.OrientMode == 'tangent plane'
oriIsAlongU = obj.OrientMode == 'along u'
oriIsAlongV = obj.OrientMode == 'along v'
isMultiSol = obj.Multisolution == 'use all'
for plm in input:
v = Part.Vertex(plm.Base)
projection = v.distToShape(toolShape)
(dist, gaps, infos) = projection
for iSol in range(0,len(gaps)):
(posKeep, posPrj) = gaps[iSol]
(dummy, dummy, dummy, el_topo, el_index, el_params) = infos[iSol]
# Fetch all possible parameters (some may not be required, depending on modes)
normal = posKeep - posPrj
if normal.Length < DistConfusion:
normal = None
tangU = None
tangV = None
if el_topo == 'Face':
face = toolShape.Faces[el_index]
if normal is None:
normal = face.normalAt(*el_params)
(tangU, tangV) = face.tangentAt(*el_params)
elif el_topo == "Edge":
edge = toolShape.Edges[el_index]
tangU = edge.tangentAt(el_params)
if normal is not None:
normal.normalize()
#mode logic - compute new placement
if posIsKeep:
pos = plm.Base
elif posIsProjected:
pos = posPrj
elif posIsMixed:
pos = posKeep*mixF + posPrj*(1-mixF)
else:
raise ValueError("Positioning mode not implemented: " + obj.TranslateMode )
if abs(elev) > DistConfusion:
if normal is None:
raise ValueError("Normal vector not available for a placement resting on " + el_topo +". Normal vector is required for nonzero position elevation.")
pos += normal * elev
if oriIsKeep:
ori = plm.Rotation
elif oriIsAlongGap:
if normal is None:
raise ValueError("Normal vector not available for a placement resting on " + el_topo +". Normal vector is required for orientation mode '"+obj.OrientMode+"'")
ori = Utils.makeOrientationFromLocalAxesUni("X",XAx= normal*(-1.0))
elif oriIsTangentPlane:
if normal is None:
raise ValueError("Normal vector not available for a placement resting on " + el_topo +". Normal vector is required for orientation mode '"+obj.OrientMode+"'")
ori = Utils.makeOrientationFromLocalAxesUni("Z",ZAx= normal)
elif oriIsAlongU:
if normal is None:
raise ValueError("Normal vector not available for a placement resting on " + el_topo +". Normal vector is required for orientation mode '"+obj.OrientMode+"'")
if tangU is None:
raise ValueError("TangentU vector not available for point on " + el_topo +". TangentU vector is required for orientation mode '"+obj.OrientMode+"'")
ori = Utils.makeOrientationFromLocalAxesUni("ZX",ZAx= normal, XAx= tangU)
elif oriIsAlongV:
if normal is None:
raise ValueError("Normal vector not available for a placement resting on " + el_topo +". Normal vector is required for orientation mode '"+obj.OrientMode+"'")
if tangV is None:
raise ValueError("TangentV vector not available for point on " + el_topo +". TangentV vector is required for orientation mode '"+obj.OrientMode+"'")
ori = Utils.makeOrientationFromLocalAxesUni("ZX",ZAx= normal, XAx= tangV)
else:
raise ValueError("Orientation mode not implemented: " + obj.OrientMode )
output.append(App.Placement(pos,ori))
if not isMultiSol:
break
return output