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See #1227. New connect wall API function since this can be done generically.

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This will supersede the butt/mitre join functions we used to have.
This commit is contained in:
Dion Moult
2025-03-08 11:25:07 +11:00
parent 8c9a657a8c
commit 01ec750814
4 changed files with 88 additions and 18 deletions
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src/ifcopenshell-python/ifcopenshell/api/geometry/regenerate_wall_representation.py
+4 -18
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@@ -93,7 +93,7 @@ class Regenerator:
layers = self.get_layers(wall)
if not layers:
return
reference = self.get_reference_line(wall)
reference = ifcopenshell.util.representation.get_reference_line(wall, self.fallback_length)
self.reference_p1, self.reference_p2 = reference
self.wall_vectors = self.get_wall_vectors(wall)
axes = self.get_axes(wall, reference, layers, self.wall_vectors["a"])
@@ -300,8 +300,8 @@ class Regenerator:
print("joining", wall1, layers1, connection1)
print("to", wall2, layers2, connection2)
reference1 = self.get_reference_line(wall1)
reference2 = self.get_reference_line(wall2)
reference1 = ifcopenshell.util.representation.get_reference_line(wall1, self.fallback_length)
reference2 = ifcopenshell.util.representation.get_reference_line(wall2, self.fallback_length)
wall_vectors2 = self.get_wall_vectors(wall2)
axes1 = self.get_axes(wall1, reference1, layers1, self.wall_vectors["a"])
axes2 = self.get_axes(wall2, reference2, layers2, wall_vectors2["a"])
@@ -516,20 +516,6 @@ class Regenerator:
results.append(layer)
return results
def get_reference_line(self, wall):
if axis := ifcopenshell.util.representation.get_representation(wall, "Plan", "Axis", "GRAPH_VIEW"):
for item in ifcopenshell.util.representation.resolve_representation(axis).Items:
if item.is_a("IfcPolyline"):
points = item.Points
elif item.is_a("IfcIndexedPolyCurve"):
points = item.Points.CoordList
else:
continue
if points[0][0] < points[1][0]: # An axis always goes in the +X direction
return [np.array(points[0]), np.array(points[1])]
return [np.array(points[1]), np.array(points[0])]
return [np.array((0.0, 0.0)), np.array((self.fallback_length, 0.0))]
def get_wall_vectors(self, wall):
if body := ifcopenshell.util.representation.get_representation(wall, "Model", "Body", "MODEL_VIEW"):
for item in ifcopenshell.util.representation.resolve_representation(body).Items:
@@ -572,7 +558,7 @@ class Regenerator:
axes = [[p.copy() for p in reference]]
# Apply usage to convert the Reference line into MlsBase
sense_factor = 1
if (usage := ifcopenshell.util.element.get_material(wall)) and usage.is_a("IfcMaterialLayerSetUage"):
if (usage := ifcopenshell.util.element.get_material(wall)) and usage.is_a("IfcMaterialLayerSetUsage"):
for point in axes[0]:
point[1] += usage.OffsetFromReferenceLine
sense_factor = 1 if usage.DirectionSense == "POSITIVE" else -1