Be less accommodating to invalid Revit grids. See #1133.

This commit is contained in:
Dion Moult
2020-11-27 12:14:08 +11:00
parent fddea742b8
commit cfa97be080
@@ -775,6 +775,10 @@ class IfcImporter:
grids = self.file.by_type("IfcGrid")
for grid in grids:
shape = None
if not grid.UAxes or not grid.VAxes:
# Revit can create invalid grids
self.ifc_import_settings.logger.error("An invalid grid was found %s", grid)
continue
if grid.Representation:
shape = ifcopenshell.geom.create_shape(self.settings_2d, grid)
grid_obj = self.create_product(grid, shape)
@@ -787,10 +791,8 @@ class IfcImporter:
collection.children.link(u_axes)
v_axes = bpy.data.collections.new("VAxes")
collection.children.link(v_axes)
if grid.UAxes: # Revit is known to create invalid grids
self.create_grid_axes(grid.UAxes, u_axes, element_matrix)
if grid.VAxes: # Revit is known to create invalid grids
self.create_grid_axes(grid.VAxes, v_axes, element_matrix)
self.create_grid_axes(grid.UAxes, u_axes, element_matrix)
self.create_grid_axes(grid.VAxes, v_axes, element_matrix)
if grid.WAxes:
w_axes = bpy.data.collections.new("WAxes")
collection.children.link(w_axes)
@@ -1905,11 +1907,9 @@ class IfcImporter:
return self.place_object_in_spatial_tree(container, obj)
elif element.is_a("IfcGrid"):
grid_collection = bpy.data.collections.get(obj.name)
if grid_collection:
if grid_collection: # Just in case we ran into invalid grids from Revit
self.spatial_structure_elements[container.GlobalId]["blender"].children.link(grid_collection)
grid_collection.objects.link(obj)
else: # Revit can create invalid grid objects
self.spatial_structure_elements[container.GlobalId]["blender"].objects.link(obj)
else:
self.spatial_structure_elements[container.GlobalId]["blender"].objects.link(obj)
elif hasattr(element, "Decomposes") and element.Decomposes: