First Commit

2026-05-31 10:17:09 +07:00
commit 17a9c69379
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+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2025 Thomas Krijnen <thomas@aecgeeks.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+from typing import Union
+
+import ifcopenshell
+import ifcopenshell.api.spatial
+import ifcopenshell.util.representation
+from ifcopenshell import entity_instance
+
+
+def add_survey_point(
+    file: ifcopenshell.file, survey_point: entity_instance, site: Union[entity_instance, None] = None
+) -> entity_instance:
+    """
+    Adds a single survey point to the model based on IFC Concept Template 4.1.7.1.2.5.
+    Survey points are located relative to IfcRepresentationContext.WorldCoordinateSystem
+
+    :param survey_point: The survey point
+    :return: an IfcAnnotation entity
+
+    Example:
+
+    .. code:: python
+
+        annotation = ifcopenshell.api.cogo.add_survey_point(file,file.createIfcCartesianPoint(4000.0,3500.0)))
+    """
+    context = ifcopenshell.util.representation.get_context(file, "Model", "Annotation", "MODEL_VIEW")
+    shape_representation = file.createIfcShapeRepresentation(
+        ContextOfItems=context, RepresentationIdentifier="Annotation", RepresentationType="Point", Items=[survey_point]
+    )
+    representation = file.createIfcProductDefinitionShape(Representations=[shape_representation])
+    annotation = file.createIfcAnnotation(
+        ifcopenshell.guid.new(),
+        ObjectPlacement=context.WorldCoordinateSystem,
+        Representation=representation,
+        PredefinedType="SURVEY",
+    )
+
+    if site == None:
+        site = file.by_type("IfcSite")[0]
+
+    ifcopenshell.api.spatial.assign_container(file, relating_structure=site, products=[annotation])
+
+    return annotation