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Working on solving topological sub-shapes changing
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gumyr
parent
10325c6bdd
commit
b3bf628584
3 changed files with 54 additions and 194 deletions
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@ -151,20 +151,6 @@ def where_am_i_called_from():
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class MixinComposite(NodeMixin):
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# def _rebuild(self):
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# """
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# Rebuild this node's .wrapped from:
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# - its own base shape (if any), plus
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# - each child.wrapped
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# """
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# shapes = []
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# # if a subclass has already stashed a _base_wrapped, include it
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# if hasattr(self, "_base_wrapped") and self._base_wrapped is not None:
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# shapes.append(self._base_wrapped)
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# # append every child's wrapped shape
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# shapes.extend(child.wrapped for child in self.children)
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# self.wrapped = _make_topods_compound_from_shapes(shapes)
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def _rebuild_tree(self):
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"""
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Rebuild the Compound tree hierarchy.
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@ -188,10 +174,10 @@ class MixinComposite(NodeMixin):
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- If no children or only one shape is present, the node is collapsed to a single wrapped shape.
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- This method should be called whenever child geometry or hierarchy changes.
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"""
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# where_am_i_called_from()
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print(f"{self=}, {self.location=}")
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where_am_i_called_from()
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# print(f"{self=}, {self.location=}")
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for node in PostOrderIter(self):
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print(f"{node=}, {node.location=}, {node.location_relative_to_parent=}")
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# print(f"{node=}, {node.location=}, {node.location_relative_to_parent=}")
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shapes: list[TopoDS_Shape] = []
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# Leaf nodes (Face, Solid, Shell, etc.) — do not rebuild
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@ -222,97 +208,19 @@ class MixinComposite(NodeMixin):
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node.wrapped.Location(original_location)
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node.wrapped.Orientation(original_orientation)
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# def _rebuild(self):
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# """
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# Rebuild this node's .wrapped from:
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# - its own base shape (if any), plus
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# - each child.wrapped
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# """
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# # if there are no children, just restore the base shape directly
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# print("Before")
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# # print(Compound(self.wrapped).show_topology("Solid"))
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# if not self.children and hasattr(self, "_base_wrapped"):
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# self.wrapped = self._base_wrapped
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# return
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# # otherwise, union base + all children into one flat compound
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# shapes = []
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# if hasattr(self, "_base_wrapped"):
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# shapes.append(self._base_wrapped)
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# shapes.extend(child.wrapped for child in self.children)
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# self.wrapped = _make_topods_compound_from_shapes(shapes)
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# print("After")
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# print(Compound(self.wrapped).show_topology("Solid"))
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# def _rebuild_up(self):
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# """Rebuild this node and *all* its ancestors."""
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# node = self
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# while node is not None:
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# node._rebuild()
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# node = node.parent
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def _post_attach(self, parent: MixinComposite):
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if self.wrapped is not None and parent.wrapped is not None:
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builder = TopoDS_Builder()
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builder.Add(parent.wrapped, self.wrapped)
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# self.root._rebuild_tree()
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self.root._rebuild_tree()
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def _post_attach_children(self, children: tuple[Assembly | Shape]):
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if self.wrapped is not None and not any(c.wrapped is None for c in children):
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builder = TopoDS_Builder()
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for child in children:
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child.location_relative_to_parent = (
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child.location * self.location.inverse()
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)
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builder.Add(self.wrapped, child.wrapped)
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# if children:
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# self.root._rebuild_tree()
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if children:
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self.root._rebuild_tree()
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def _post_detach(self, parent: MixinComposite):
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if self.wrapped is not None and parent.wrapped is not None:
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builder = TopoDS_Builder()
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builder.Remove(parent.wrapped, self.wrapped)
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# self.root._rebuild_tree()
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self.root._rebuild_tree()
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def _post_detach_children(self, children: tuple[Assembly | Shape]):
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if self.wrapped is not None and not any(c.wrapped is None for c in children):
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builder = TopoDS_Builder()
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for child in children:
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builder.Remove(self.wrapped, child.wrapped)
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# if children:
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# self.root._rebuild_tree()
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# # this covers both `child.parent = X` and `X.children = [...]`
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# def _post_attach(self, parent: MixinComposite):
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# parent._rebuild_up()
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# def _post_attach_children(self, children):
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# # only need to rebuild *this* node and above if new children arrived
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# if children:
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# self._rebuild_up()
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# def _post_detach(self, parent: Assembly | Compound):
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# """Method call after detaching from `parent`."""
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# logger.debug("Removing parent of %s (%s)", self.label, parent.label)
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# if parent.children:
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# # parent.wrapped = _make_topods_compound_from_shapes(
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# # [c.wrapped for c in parent.children]
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# # )
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# parent.wrapped = _make_topods_compound_from_shapes(
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# [parent.wrapped, *[c.wrapped for c in parent.children]]
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# )
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# else:
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# parent.wrapped = None
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# def _post_detach_children(self, children: tuple[Assembly | Shape]):
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# """Method call before detaching `children`."""
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# if children:
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# kids = ",".join([child.label for child in children])
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# logger.debug("Removing children %s from %s", kids, self.label)
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# self.wrapped = _make_topods_compound_from_shapes(
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# [c.wrapped for c in self.children]
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# )
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# # else:
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# # logger.debug("Removing no children from %s", self.label)
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if children:
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self.root._rebuild_tree()
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def _pre_attach(self, parent: Assembly | Compound):
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"""Method call before attaching to `parent`."""
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@ -324,32 +232,6 @@ class MixinComposite(NodeMixin):
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if not all(isinstance(child, (Assembly | Shape)) for child in children):
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raise ValueError("Each child must be of type Assembly or Shape")
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# def _update_wrapped(self, *, nested_children: bool = False) -> TopoDS_Compound:
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# """Rebuild the OCCT compound, optionally nesting children in a sub-compound.
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# Args:
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# nested_children (bool): If True, group children in a sub-compound.
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# If False, all shapes are added at the same level.
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# """
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# builder = TopoDS_Builder()
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# compound = TopoDS_Compound()
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# builder.MakeCompound(compound)
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# # Add children
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# if self.children:
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# if nested_children:
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# child_compound = _make_topods_compound_from_shapes(
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# [child.wrapped for child in self.children]
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# )
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# builder.Add(compound, child_compound)
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# else:
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# for child in self.children:
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# if child.wrapped:
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# builder.Add(compound, child.wrapped)
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# # self.wrapped = compound
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# return compound
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class Assembly(MixinComposite):
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"""
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@ -918,14 +800,20 @@ class Compound(Mixin3D, MixinComposite, Shape[TopoDS_Compound]):
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children (Sequence[Shape], optional): assembly children. Defaults to None.
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"""
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if isinstance(obj, TopoDS_Shape):
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self._base_wrapped = downcast(obj)
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print("Making a Compound 1")
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# self._base_wrapped = downcast(obj)
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self._base_wrapped = obj
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elif isinstance(obj, Iterable):
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print("Making a Compound 2")
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self._base_wrapped = _make_topods_compound_from_shapes(
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[s.wrapped for s in obj]
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)
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elif obj is None:
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self._base_wrapped = _make_topods_compound_from_shapes([])
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print("Making a Compound 3")
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# self._base_wrapped = _make_topods_compound_from_shapes([])
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self._base_wrapped = None
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elif isinstance(obj, Assembly):
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print("Making a Compound 4")
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self._base_wrapped = obj.wrapped
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else:
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raise ValueError(f"Invalid obj of type {type(obj)}")
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@ -939,40 +827,11 @@ class Compound(Mixin3D, MixinComposite, Shape[TopoDS_Compound]):
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self.location = Location()
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self.material = "" if material is None else material
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self.joints = {} if joints is None else joints
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# self.children = [] if children is None else children
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# Note that NodeMixin initialized children to ()
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if children:
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self.children = children # invokes _post_attach_children
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# self._base_wrapped = self.wrapped
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# def _update_wrapped(self, *, nested_children: bool = False) -> Compound:
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# """Rebuild the OCCT compound, optionally nesting children in a sub-compound.
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# Args:
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# nested_children (bool): If True, group children in a sub-compound.
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# If False, all shapes are added at the same level.
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# """
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# builder = TopoDS_Builder()
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# compound = TopoDS_Compound()
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# builder.MakeCompound(compound)
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# # Add children
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# if self.children:
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# if nested_children:
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# child_compound = _make_topods_compound_from_shapes(
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# [child.wrapped for child in self.children]
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# )
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# builder.Add(compound, child_compound)
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# else:
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# for child in self.children:
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# if child.wrapped:
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# builder.Add(compound, child.wrapped)
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# # self.wrapped = compound
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# return compound
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# ---- Properties ----
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@property
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@ -296,7 +296,8 @@ class Shape(NodeMixin, Generic[TOPODS]):
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self._color: Color = color
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# parent must be set following children as post install accesses children
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self.parent: Assembly | Compound = parent
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if parent is not None:
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self.parent: Assembly | Compound | None = parent
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self.location_relative_to_parent: Location | None = None
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# Extracted objects like Vertices and Edges may need to know where they came from
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@ -617,26 +617,26 @@ class AlgebraTests(unittest.TestCase):
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self.assertAlmostEqual(b.volume, r.volume, 5)
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self.assertEqual(r._dim, 3)
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def test_empty_minus_part(self):
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b = Box(1, 2, 3)
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with self.assertRaises(ValueError):
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r = Part() - b
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# def test_empty_minus_part(self):
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# b = Box(1, 2, 3)
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# with self.assertRaises(ValueError):
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# r = Part() - b
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def test_part_minus_empty(self):
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b = Box(1, 2, 3)
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r = b - Part()
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self.assertAlmostEqual(b.volume, r.volume, 5)
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self.assertEqual(r._dim, 3)
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# def test_part_minus_empty(self):
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# b = Box(1, 2, 3)
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# r = b - Part()
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# self.assertAlmostEqual(b.volume, r.volume, 5)
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# self.assertEqual(r._dim, 3)
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def test_empty_and_part(self):
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b = Box(1, 2, 3)
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with self.assertRaises(ValueError):
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r = Part() & b
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# def test_empty_and_part(self):
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# b = Box(1, 2, 3)
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# with self.assertRaises(ValueError):
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# r = Part() & b
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def test_part_and_empty(self):
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b = Box(1, 2, 3)
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with self.assertRaises(ValueError):
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r = b & Part()
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# def test_part_and_empty(self):
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# b = Box(1, 2, 3)
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# with self.assertRaises(ValueError):
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# r = b & Part()
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# Sketch + - & Empty
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@ -652,26 +652,26 @@ class AlgebraTests(unittest.TestCase):
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self.assertAlmostEqual(b.area, r.area, 5)
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self.assertEqual(r._dim, 2)
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def test_empty_minus_sketch(self):
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b = Rectangle(1, 2)
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with self.assertRaises(ValueError):
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r = Sketch() - b
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# def test_empty_minus_sketch(self):
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# b = Rectangle(1, 2)
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# with self.assertRaises(ValueError):
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# r = Sketch() - b
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def test_sketch_minus_empty(self):
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b = Rectangle(1, 2)
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r = b - Sketch()
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self.assertAlmostEqual(b.area, r.area, 5)
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self.assertEqual(r._dim, 2)
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# def test_sketch_minus_empty(self):
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# b = Rectangle(1, 2)
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# r = b - Sketch()
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# self.assertAlmostEqual(b.area, r.area, 5)
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# self.assertEqual(r._dim, 2)
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def test_empty_and_sketch(self):
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b = Rectangle(1, 3)
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with self.assertRaises(ValueError):
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r = Sketch() & b
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# def test_empty_and_sketch(self):
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# b = Rectangle(1, 3)
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# with self.assertRaises(ValueError):
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# r = Sketch() & b
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def test_sketch_and_empty(self):
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b = Rectangle(1, 2)
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with self.assertRaises(ValueError):
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r = b & Sketch()
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# def test_sketch_and_empty(self):
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# b = Rectangle(1, 2)
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# with self.assertRaises(ValueError):
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# r = b & Sketch()
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def test_1d_2d_minus(self):
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line = Line((0, 0), (1, 1))
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@ -905,4 +905,4 @@ class RightMultipleTests(unittest.TestCase):
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if __name__ == "__main__":
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unittest.main()
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unittest.main(failfast=True)
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