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martinaCodes
109 lines
4.1 KiB
Python
109 lines
4.1 KiB
Python
# IfcSverchok - IFC Sverchok extension
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# Copyright (C) 2022 Martina Jakubowska <martina@jakubowska.dk>
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#
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# This file is part of IfcSverchok.
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#
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# IfcSverchok is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcSverchok is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with IfcSverchok. If not, see <http://www.gnu.org/licenses/>.
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import bpy
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import logging
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import ifcopenshell
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import ifcsverchok.helper
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from ifcsverchok.ifcstore import SvIfcStore
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import blenderbim.bim.import_ifc
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from bpy.props import StringProperty, PointerProperty, BoolProperty
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from sverchok.node_tree import SverchCustomTreeNode
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from sverchok.data_structure import updateNode, flatten_data
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class SvIfcCreateShape(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
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"""
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Triggers: Ifc create shape by entity
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Tooltip: Create Blender shape by Ifc Entity
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"""
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is_scene_dependent = True
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is_interactive = False
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node_dict = {}
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def refresh_node(self, context):
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if self.refresh_local:
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self.process()
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self.refresh_local = False
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refresh_local: BoolProperty(name="Create shape(s)", description="Update Node", update=refresh_node)
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bl_idname = "SvIfcCreateShape"
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bl_label = "IFC Create Blender Shape"
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entity: StringProperty(name="Entity Id(s)", update=updateNode)
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def sv_init(self, context):
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self.inputs.new("SvStringsSocket", "Entities").prop_name = "entity"
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self.outputs.new("SvStringsSocket", "Object(s)")
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def draw_buttons(self, context, layout):
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row = layout.row(align=True)
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row.operator(
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"node.sv_ifc_tooltip", text="", icon="QUESTION", emboss=False
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).tooltip = "Create Blender shape from IfcEntity Id. Takes one or multiple IfcEntity IDs."
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row.prop(self, "refresh_local", icon="FILE_REFRESH")
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def process(self):
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self.entities = flatten_data(self.inputs["Entities"].sv_get(), target_level=1)
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if not self.entities[0]:
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return
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if self.refresh_local or hash(self) not in self.node_dict:
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self.file = SvIfcStore.get_file()
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try:
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self.entities = [self.file.by_id(step_id) for step_id in self.entities]
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except Exception as e:
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raise
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blender_objects = self.create()
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self.node_dict[hash(self)] = blender_objects
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else:
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blender_objects = self.node_dict[hash(self)]
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self.outputs["Object(s)"].sv_set(blender_objects)
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def create(self):
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blender_objects = []
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for entity in self.entities:
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try:
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if not entity.is_a("IfcProduct"):
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return
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logger = logging.getLogger("ImportIFC")
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self.ifc_import_settings = blenderbim.bim.import_ifc.IfcImportSettings.factory(bpy.context, "", logger)
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settings = ifcopenshell.geom.settings()
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shape = ifcopenshell.geom.create_shape(settings, entity)
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ifc_importer = blenderbim.bim.import_ifc.IfcImporter(self.ifc_import_settings)
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ifc_importer.file = self.file
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mesh = ifc_importer.create_mesh(entity, shape)
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obj = bpy.data.objects.new("IFC Element", mesh)
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blender_objects.append(obj)
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bpy.context.scene.collection.objects.link(obj)
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except:
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raise Exception("Entity could not be converted into a shape. Entity: {}".format(entity))
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return blender_objects
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def register():
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# bpy.utils.register_class(SvIfcCreateShapeRefresh)
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bpy.utils.register_class(SvIfcCreateShape)
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def unregister():
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bpy.utils.unregister_class(SvIfcCreateShape)
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# bpy.utils.unregister_class(SvIfcCreateShapeRefresh)
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