ifcsverchok - polyline node

Demo - https://files.catbox.moe/azv66e.mp4

src/ifcsverchok/__init__.py

@@ -121,6 +121,7 @@ def nodes_index() -> list[tuple[str, list[tuple[str, str]]]]:
                 ("ifc.shape_builder.test", "SvIfcSbTest"),
                 ("ifc.shape_builder.shape_output", "SvSbShapeOutput"),
                 ("ifc.shape_builder.mesh", "SvSbMesh"),
+                ("ifc.shape_builder.polyline", "SvSbPolyline"),
             ],
         ),
     ]

src/ifcsverchok/nodes/ifc/shape_builder/polyline.py

@@ -0,0 +1,53 @@
+# IfcSverchok - IFC Sverchok extension
+# Copyright (C) 2022 Martina Jakubowska <martina@jakubowska.dk>
+#
+# This file is part of IfcSverchok.
+#
+# IfcSverchok is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcSverchok is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with IfcSverchok.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+import sverchok.core.sockets
+from ifcsverchok.nodes.ifc.shape_builder.representation import ShapeBuilder
+from sverchok.node_tree import SverchCustomTreeNode
+
+import ifcsverchok.helper as helper
+
+
+class SvSbPolyline(bpy.types.Node, SverchCustomTreeNode, helper.SvIfcCore):
+    bl_idname = "SvSbPolyline"
+    bl_label = "IFC Polyline"
+    bl_description = "Create closed polyline from vertices."
+
+    def sv_init(self, context):
+        helper.create_socket(self.inputs, "Vers", socket_type=sverchok.core.sockets.SvVerticesSocket)
+        helper.create_socket(self.inputs, "Closed", data_type="list[list[bool]]")
+        helper.create_socket(self.outputs, "Representation Item", data_type="list[list[ifcopenshell.entity_instance]]")
+
+    def process(self):
+        ifc_file = helper.get_file()
+
+        vertices: list[[list[float]]] = helper.get_socket_value(self.inputs, "Vers", value_type="CONTAINER")
+        closed = helper.get_socket_value(self.inputs, "Closed")
+
+        builder = ShapeBuilder(ifc_file)
+        Polyline = builder.polyline(vertices, closed=closed)
+        helper.set_socket_value(self.outputs, "Representation Item", Polyline)
+
+
+def register():
+    bpy.utils.register_class(SvSbPolyline)
+
+
+def unregister():
+    bpy.utils.unregister_class(SvSbPolyline)

src/ifcsverchok/nodes/ifc/shape_builder/shape_output.py

@@ -52,6 +52,7 @@ class SvSbShapeOutput(bpy.types.Node, SverchCustomTreeNode, helper.SvIfcCore):
     def create(self, entity: ifcopenshell.entity_instance) -> None:
         assert bpy.context.scene
         settings = ifcopenshell.geom.settings()
+        settings.set("dimensionality", ifcopenshell.ifcopenshell_wrapper.CURVES_SURFACES_AND_SOLIDS)
         shape = ifcopenshell.geom.create_shape(settings, entity)
         assert isinstance(shape, W.Triangulation)
         self.verts = ifcopenshell.util.shape.get_vertices(shape).tolist()