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Drawing cameras now save IfcBlock representations in IFC. See #1153.

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This commit is contained in:
Dion Moult
2021-03-04 22:04:40 +11:00
parent d2d4a1b976
commit 29f64f7c11
6 changed files with 91 additions and 32 deletions
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src/ifcblenderexport/blenderbim/bim/module/geometry/add_representation.py
+40 -1
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@@ -32,7 +32,8 @@ class Usecase:
self.settings[key] = value
def execute(self):
self.evaluate_geometry()
if isinstance(self.settings["geometry"], bpy.types.Mesh):
self.evaluate_geometry()
if self.settings["unit_scale"] is None:
self.settings["unit_scale"] = ifcopenshell.util.unit.calculate_unit_scale(self.file)
if self.settings["context"].ContextType == "Model":
@@ -130,6 +131,8 @@ class Usecase:
return self.create_curve_representation()
elif self.settings["is_point_cloud"]:
return self.create_point_cloud_representation()
elif isinstance(self.settings["geometry"], bpy.types.Camera):
return self.create_camera_block_representation()
elif self.settings["ifc_representation_class"] == "IfcExtrudedAreaSolid/IfcRectangleProfileDef":
return self.create_rectangle_extrusion_representation()
elif self.settings["ifc_representation_class"] == "IfcExtrudedAreaSolid/IfcCircleProfileDef":
@@ -138,6 +141,42 @@ class Usecase:
return self.create_arbitrary_extrusion_representation()
return self.create_mesh_representation()
def create_camera_block_representation(self):
raster_x = self.settings["geometry"].BIMCameraProperties.raster_x
raster_y = self.settings["geometry"].BIMCameraProperties.raster_y
if self.is_camera_landscape():
width = self.settings["geometry"].ortho_scale
height = width / raster_x * raster_y
else:
height = self.settings["geometry"].ortho_scale
width = height / raster_y * raster_x
block = self.file.create_entity(
"IfcBlock",
**{
"Position": self.file.createIfcAxis2Placement3D(
self.create_cartesian_point(-width / 2, -height / 2, -self.settings["geometry"].clip_end)
),
"XLength": self.convert_si_to_unit(width),
"YLength": self.convert_si_to_unit(height),
"ZLength": self.convert_si_to_unit(self.settings["geometry"].clip_end),
}
)
return self.file.createIfcShapeRepresentation(
self.settings["context"],
self.settings["context"].ContextIdentifier,
"CSG",
[self.file.createIfcCsgSolid(block)],
)
def is_camera_landscape(self):
return (
self.settings["geometry"].BIMCameraProperties.raster_x
> self.settings["geometry"].BIMCameraProperties.raster_y
)
def create_curve3d_representation(self):
return self.file.createIfcShapeRepresentation(
self.settings["context"],