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Fix #6296. See #1227. More normal fixes in layer set slicing.

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This commit is contained in:
Dion Moult
2025-03-10 23:15:24 +11:00
parent c03cf4ce58
commit 7fb6adc025
1 changed files with 6 additions and 7 deletions
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src/bonsai/bonsai/tool/loader.py
+6 -7
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@@ -1047,11 +1047,12 @@ class Loader(bonsai.core.tool.Loader):
elif usage.LayerSetDirection == "AXIS3":
co = Vector((0.0, 0.0, offset))
no = cls.get_extrusion_vector(element).normalized()
no = Vector([0.0, 0.0, 1.0 if no.z > 0 else -1.0])
elif usage.LayerSetDirection == "AXIS3":
no = Vector([0.0, 0.0, 1.0])
elif usage.LayerSetDirection == "AXIS1":
co = Vector((0.0, 0.0, offset))
no = cls.get_extrusion_vector(element).normalized()
no = Vector([1.0 if no.x > 0 else -1.0, 0.0, 0.0])
no = Vector([1.0, 0.0, 0.0])
no *= sense_factor
# Cache this
body = ifcopenshell.util.representation.get_context(tool.Ifc.get(), "Model", "Body", "MODEL_VIEW")
styles = {}
@@ -1061,8 +1062,7 @@ class Loader(bonsai.core.tool.Loader):
styles[style] = i
for layer in layer_set.MaterialLayers[:-1]:
prev_co = co.copy()
co += no * layer.LayerThickness * cls.unit_scale * sense_factor
# co.y += layer.LayerThickness * cls.unit_scale * sense_factor
co += no * layer.LayerThickness * cls.unit_scale
bisect_geom = bmesh.ops.bisect_plane(
bm, geom=bm.verts[:] + bm.edges[:] + bm.faces[:], dist=0.0001, plane_co=co, plane_no=no
)
@@ -1074,7 +1074,6 @@ class Loader(bonsai.core.tool.Loader):
for face in bisect_geom["geom"]:
if isinstance(face, bmesh.types.BMFace):
center = face.calc_center_median()
# if center.y < co.y and center.y > prev_co.y:
if (center - co).dot(no) < 0 and (center - prev_co).dot(no) >= 0:
face.material_index = material_index
has_layer_styles = True
@@ -1087,7 +1086,7 @@ class Loader(bonsai.core.tool.Loader):
mesh.materials.append(tool.Ifc.get_object(style))
for face in bisect_geom["geom"]:
if isinstance(face, bmesh.types.BMFace):
center = face.calc_center_median() * sense_factor
center = face.calc_center_median()
# if center.y > co.y:
if (center - co).dot(no) >= 0:
face.material_index = material_index