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Add direction sense and offset support for slabs

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This commit is contained in:
Bruno Perdigão
2025-01-20 17:25:59 -03:00
parent 3740b86678
commit 5cf4740f8e
4 changed files with 67 additions and 9 deletions
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src/ifcopenshell-python/ifcopenshell/api/geometry/add_slab_representation.py
+7 -3
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@@ -27,6 +27,8 @@ def add_slab_representation(
file: ifcopenshell.file,
context: ifcopenshell.entity_instance,
depth: float = 0.2,
direction_sense: str = "POSITIVE",
offset: float = 0.0,
x_angle: float = 0.0,
clippings: Optional[list[Union[Clipping, dict[str, Any]]]] = None,
polyline: Optional[list[tuple[float, float]]] = None,
@@ -56,6 +58,8 @@ def add_slab_representation(
usecase.settings = {
"context": context,
"depth": depth,
"direction_sense": direction_sense,
"offset": offset,
"x_angle": x_angle,
"clippings": clippings if clippings is not None else [],
"polyline": polyline,
@@ -80,7 +84,7 @@ class Usecase:
size = self.convert_si_to_unit(1)
points = ((0.0, 0.0), (size, 0.0), (size, size), (0.0, size), (0.0, 0.0))
if self.settings["polyline"]:
points = [(self.convert_si_to_unit(p[0]), self.convert_si_to_unit(p[1])) for p in self.settings["polyline"]]
points = [(self.convert_si_to_unit(p[0]), self.convert_si_to_unit(p[1] * (1 / cos(self.settings["x_angle"])))) for p in self.settings["polyline"]]
if self.file.schema == "IFC2X3":
curve = self.file.createIfcPolyline([self.file.createIfcCartesianPoint(p) for p in points])
else:
@@ -94,9 +98,9 @@ class Usecase:
position = None
# default position for IFC2X3 where .Position is not optional
if self.file.schema == "IFC2X3":
if self.file.schema == "IFC2X3" or self.settings["offset"] != 0:
position = self.file.createIfcAxis2Placement3D(
self.file.createIfcCartesianPoint((0.0, 0.0, 0.0)),
self.file.createIfcCartesianPoint((0.0, 0.0, self.convert_si_to_unit(self.settings["offset"]))),
self.file.createIfcDirection((0.0, 0.0, 1.0)),
self.file.createIfcDirection((1.0, 0.0, 0.0)),
)