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Support InnerRadius for disk imported as Blender curves #5859

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This commit is contained in:
Andrej730
2024-12-10 17:14:04 +05:00
parent 1e0ca1d891
commit 5df93cbb52
1 changed files with 32 additions and 10 deletions
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src/bonsai/bonsai/bim/import_ifc.py
+32 -10
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@@ -37,7 +37,7 @@ import bonsai.tool as tool
from itertools import chain, accumulate
from bonsai.bim.ifc import IfcStore, IFC_CONNECTED_TYPE
from bonsai.tool.loader import OBJECT_DATA_TYPE
from typing import Dict, Union, Optional, Any
from typing import Dict, Union, Optional, Any, cast
class MaterialCreator:
@@ -195,11 +195,11 @@ class IfcImporter:
self.meshes: dict[str, OBJECT_DATA_TYPE] = {}
self.mesh_shapes = {}
self.time = 0
self.unit_scale = 1
self.unit_scale = 1.0
# ifc definition ids to blender elements mapping
self.added_data: dict[int, IFC_CONNECTED_TYPE] = {}
self.native_elements = set()
self.native_data = {}
self.native_elements: set[ifcopenshell.entity_instance] = set()
self.native_data: dict[str, Any] = {}
self.progress = 0
self.material_creator = MaterialCreator(ifc_import_settings, self)
@@ -416,6 +416,7 @@ class IfcImporter:
"type": "IfcSweptDiskSolid",
}
return True
return False
def is_native_swept_disk_solid(
self, element: ifcopenshell.entity_instance, representation: ifcopenshell.entity_instance
@@ -538,13 +539,20 @@ class IfcImporter:
native_data = self.native_data[element.GlobalId]
mesh_name = f"{native_data['context'].id()}/{native_data['geometry_id']}"
mesh = self.meshes.get(mesh_name)
curve_thickness = None
if mesh is None:
if native_data["type"] == "IfcSweptDiskSolid":
mesh = self.create_native_swept_disk_solid(element, mesh_name, native_data)
mesh, curve_thickness = self.create_native_swept_disk_solid(element, mesh_name, native_data)
tool.Ifc.link(tool.Ifc.get().by_id(native_data["geometry_id"]), mesh)
mesh.name = mesh_name
self.meshes[mesh_name] = mesh
self.create_product(element, mesh=mesh)
obj = self.create_product(element, mesh=mesh)
if curve_thickness:
modifier = obj.modifiers.new("Curve Thickness", type="SOLIDIFY")
assert isinstance(modifier, bpy.types.SolidifyModifier)
modifier.thickness = curve_thickness
print("Done creating geometry")
def create_spatial_elements(self) -> None:
@@ -845,7 +853,13 @@ class IfcImporter:
def create_native_swept_disk_solid(
self, element: ifcopenshell.entity_instance, mesh_name: str, native_data: dict[str, Any]
) -> bpy.types.Curve:
) -> tuple[bpy.types.Curve, Union[float, None]]:
"""Create Blender curve based on element using IfcSweptDiskAreaSolid.
:return: created curve and it's thickness (suppose to add the thickness to the object
using solidify modifier). Returns `None` instead of thickness if disk has no inner radius
or if it's invalid.
"""
# TODO: georeferencing?
curve = bpy.data.curves.new(mesh_name, type="CURVE")
curve.dimensions = "3D"
@@ -890,7 +904,7 @@ class IfcImporter:
matrix[1][3] *= self.unit_scale
matrix[2][3] *= self.unit_scale
# TODO: support inner radius, start param, and end param
# TODO: start param, and end param
geometry = tool.Loader.create_generic_shape(item.Directrix)
if not geometry:
continue
@@ -909,8 +923,16 @@ class IfcImporter:
polyline.points[-1].co = native_data["matrix"] @ mathutils.Vector(v2)
curve.bevel_depth = self.unit_scale * item.Radius
curve.use_fill_caps = True
return curve
thickness = None
if (inner_radius := item.InnerRadius) and (thickness := max(item.Radius - inner_radius, 0)):
thickness *= self.unit_scale
curve.use_fill_caps = False
# Shade flat.
for spline in curve.splines:
spline.use_smooth = False
else:
curve.use_fill_caps = True
return curve, thickness
def merge_materials_by_colour(self):
cleaned_materials = {}