diff --git a/src/ifcsverchok/__init__.py b/src/ifcsverchok/__init__.py index afc28e45e0..d8b7205eb7 100644 --- a/src/ifcsverchok/__init__.py +++ b/src/ifcsverchok/__init__.py @@ -27,6 +27,7 @@ def nodes_index(): ("ifc.write_file", "SvIfcWriteFile"), ("ifc.create_entity", "SvIfcCreateEntity"), ("ifc.create_shape", "SvIfcCreateShape"), + ("ifc.read_entity", "SvIfcReadEntity"), ("ifc.by_id", "SvIfcById"), ("ifc.by_guid", "SvIfcByGuid"), ("ifc.by_type", "SvIfcByType"), diff --git a/src/ifcsverchok/nodes/ifc/read_entity.py b/src/ifcsverchok/nodes/ifc/read_entity.py new file mode 100644 index 0000000000..e78fa98ceb --- /dev/null +++ b/src/ifcsverchok/nodes/ifc/read_entity.py @@ -0,0 +1,59 @@ +import bpy +import ifcopenshell +import ifcsverchok.helper +from bpy.props import StringProperty +from sverchok.node_tree import SverchCustomTreeNode +from sverchok.data_structure import updateNode + + +class SvIfcReadEntity(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore): + bl_idname = 'SvIfcReadEntity' + bl_label = 'IFC Read Entity' + file: StringProperty(name='file', update=updateNode) + entity: StringProperty(name='entity', update=updateNode) + current_ifc_class: StringProperty(name='current_ifc_class') + + def sv_init(self, context): + self.inputs.new('SvStringsSocket', 'file').prop_name = 'file' + self.inputs.new('SvStringsSocket', 'entity').prop_name = 'entity' + self.outputs.new('SvStringsSocket', 'id') + self.outputs.new('SvStringsSocket', 'is_a') + + def process(self): + self.sv_input_names = ['file', 'entity'] + ifc_class = self.inputs['entity'].sv_get()[0][0] + if ifc_class: + ifc_class = ifc_class.is_a() + file = self.inputs['file'].sv_get()[0][0] + if file: + schema_name = file.wrapped_data.schema + else: + schema_name = 'IFC4' + self.schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(schema_name) + self.entity_schema = self.schema.declaration_by_name(ifc_class) + + if ifc_class != self.current_ifc_class: + self.generate_outputs(ifc_class) + super().process() + + def generate_outputs(self, ifc_class): + while len(self.outputs) > 2: + self.outputs.remove(self.outputs[-1]) + for i in range(0, self.entity_schema.attribute_count()): + name = self.entity_schema.attribute_by_index(i).name() + self.outputs.new('SvStringsSocket', name).prop_name = name + self.current_ifc_class = ifc_class + + def process_ifc(self, file, entity): + self.outputs['id'].sv_set([[entity.id()]]) + self.outputs['is_a'].sv_set([[entity.is_a()]]) + for i in range(0, self.entity_schema.attribute_count()): + name = self.entity_schema.attribute_by_index(i).name() + self.outputs[name].sv_set([[entity[i]]]) + + +def register(): + bpy.utils.register_class(SvIfcReadEntity) + +def unregister(): + bpy.utils.unregister_class(SvIfcReadEntity)