feat: remove materials (#2180)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: pyansys-ci-bot <92810346+pyansys-ci-bot@users.noreply.github.com>

Author: 3 people

doc/changelog.d/2180.added.md

@@ -0,0 +1 @@
+Remove materials

src/ansys/geometry/core/_grpc/_services/base/bodies.py

@@ -149,6 +149,11 @@ def get_assigned_material(self, **kwargs) -> dict:
         """Get the assigned material of a body."""
         pass
 
+    @abstractmethod
+    def remove_assigned_material(self, **kwargs) -> dict:
+        """Remove the assigned material of a body."""
+        pass
+
     @abstractmethod
     def set_name(self, **kwargs) -> dict:
         """Set the name of a body."""

src/ansys/geometry/core/_grpc/_services/base/materials.py

@@ -43,3 +43,8 @@ def __init__(self, channel: grpc.Channel):
     def add_material(self, **kwargs) -> dict:
         """Add material to the service design."""
         pass
+
+    @abstractmethod
+    def remove_material(self, **kwargs) -> dict:
+        """Remove material from the service design."""
+        pass

src/ansys/geometry/core/_grpc/_services/v0/bodies.py

@@ -495,6 +495,19 @@ def get_assigned_material(self, **kwargs) -> dict:  # noqa: D102
         # Return the response - formatted as a dictionary
         return {"material": from_grpc_material_to_material(resp)}
 
+    @protect_grpc
+    def remove_assigned_material(self, **kwargs) -> dict:  # noqa: D102
+        from ansys.api.geometry.v0.bodies_pb2 import RemoveAssignedMaterialRequest
+
+        # Create the request - assumes all inputs are valid and of the proper type
+        request = RemoveAssignedMaterialRequest(ids=[build_grpc_id(id) for id in kwargs["ids"]])
+
+        # Call the gRPC service
+        resp = self.stub.RemoveAssignedMaterial(request=request)
+
+        # Return the response - formatted as a dictionary
+        return {"successfully_removed": [id for id in resp.successfully_removed]}
+
     @protect_grpc
     def set_name(self, **kwargs) -> dict:  # noqa: D102
         from ansys.api.geometry.v0.bodies_pb2 import SetNameRequest

src/ansys/geometry/core/_grpc/_services/v0/materials.py

@@ -62,3 +62,18 @@ def add_material(self, **kwargs) -> dict:  # noqa: D102
 
         # Convert the response to a dictionary
         return {}
+
+    @protect_grpc
+    def remove_material(self, **kwargs) -> dict:  # noqa: D102
+        from ansys.api.geometry.v0.materials_pb2 import RemoveFromDocumentRequest
+
+        # Create the request - assumes all inputs are valid and of the proper type
+        request = RemoveFromDocumentRequest(
+            request_data=[from_material_to_grpc_material(mat) for mat in kwargs["materials"]]
+        )
+
+        # Call the gRPC service
+        _ = self.stub.RemoveFromDocument(request=request)
+
+        # Convert the response to a dictionary
+        return {}

src/ansys/geometry/core/_grpc/_services/v1/bodies.py

@@ -136,6 +136,10 @@ def set_assigned_material(self, **kwargs) -> dict:  # noqa: D102
     def get_assigned_material(self, **kwargs) -> dict:  # noqa: D102
         raise NotImplementedError
 
+    @protect_grpc
+    def remove_assigned_material(self, **kwargs):  # noqa: D102
+        raise NotImplementedError
+
     @protect_grpc
     def set_name(self, **kwargs) -> dict:  # noqa: D102
         raise NotImplementedError

src/ansys/geometry/core/_grpc/_services/v1/materials.py

@@ -50,3 +50,7 @@ def __init__(self, channel: grpc.Channel):  # noqa: D102
     @protect_grpc
     def add_material(self, **kwargs) -> dict:  # noqa: D102
         raise NotImplementedError
+
+    @protect_grpc
+    def remove_material(self, **kwargs) -> dict:  # noqa: D102
+        raise NotImplementedError

src/ansys/geometry/core/designer/body.py

@@ -338,6 +338,11 @@ def get_assigned_material(self) -> Material:
         """
         return
 
+    @abstractmethod
+    def remove_assigned_material(self) -> None:
+        """Remove the material assigned to the body."""
+        return
+
     @abstractmethod
     def add_midsurface_thickness(self, thickness: Quantity) -> None:
         """Add a mid-surface thickness to a surface body.
@@ -1061,6 +1066,11 @@ def get_assigned_material(self) -> Material:  # noqa: D102
         response = self._grpc_client.services.bodies.get_assigned_material(id=self.id)
         return response.get("material")
 
+    @min_backend_version(26, 1, 0)
+    def remove_assigned_material(self) -> None:  # noqa: D102
+        self._grpc_client.log.debug(f"Removing assigned material for body {self.id}.")
+        self._grpc_client.services.bodies.remove_assigned_material(ids=[self.id])
+
     @protect_grpc
     @check_input_types
     def add_midsurface_thickness(self, thickness: Quantity) -> None:  # noqa: D102
@@ -1593,6 +1603,10 @@ def assign_material(self, material: Material) -> None:  # noqa: D102
     def get_assigned_material(self) -> Material:  # noqa: D102
         return self._template.get_assigned_material()
 
+    @ensure_design_is_active
+    def remove_assigned_material(self):  # noqa: D102
+        self._template.remove_assigned_material()
+
     @ensure_design_is_active
     def add_midsurface_thickness(self, thickness: Quantity) -> None:  # noqa: D102
         self._template.add_midsurface_thickness(thickness)

src/ansys/geometry/core/designer/design.py

@@ -227,6 +227,24 @@ def add_material(self, material: Material) -> None:
         self._materials.append(material)
         self._grpc_client.log.debug(f"Material {material.name} is successfully added to design.")
 
+    @min_backend_version(26, 1, 0)
+    @check_input_types
+    @ensure_design_is_active
+    def remove_material(self, material: Material | list[Material]) -> None:
+        """Remove a material from the design.
+
+        Parameters
+        ----------
+        material : Material | list[Material]
+            Material or list of materials to remove.
+        """
+        material = material if isinstance(material, list) else [material]
+
+        self._grpc_client.services.materials.remove_material(materials=material)
+        for mat in material:
+            self._materials.remove(mat)
+            self._grpc_client.log.debug(f"Material {mat.name} is successfully removed from design.")
+
     @check_input_types
     @ensure_design_is_active
     def save(self, file_location: Path | str, write_body_facets: bool = False) -> None:

tests/integration/test_design.py

@@ -322,6 +322,38 @@ def test_get_empty_material(modeler: Modeler):
     assert len(mat_service.properties) == 1
 
 
+def test_remove_material_from_body(modeler: Modeler):
+    """Test removing a material from a body."""
+    # Create a design and a sketch
+    design = modeler.create_design("RemoveMaterialTest")
+    sketch = Sketch()
+    sketch.circle(Point2D([0, 0], UNITS.mm), Quantity(10, UNITS.mm))
+
+    # Extrude the sketch to create a body
+    body = design.extrude_sketch("CircleBody", sketch, Quantity(10, UNITS.mm))
+
+    # Create and assign a material
+    density = Quantity(7850, UNITS.kg / (UNITS.m**3))
+    material = Material(
+        "Steel",
+        density,
+        [MaterialProperty(MaterialPropertyType.POISSON_RATIO, "Poisson", Quantity(0.3))],
+    )
+    design.add_material(material)
+    body.assign_material(material)
+    assert body.material.name == "Steel"
+
+    # Remove the material from the body
+    body.remove_assigned_material()
+
+    # Check that the body no longer has a material assigned
+    assert body.material.name == ""
+    assert len(body.material.properties) == 1
+    assert body.material.properties[MaterialPropertyType.DENSITY].quantity == Quantity(
+        0, UNITS.kg / (UNITS.m**3)
+    )
+
+
 def test_face_to_body_creation(modeler: Modeler):
     """Test in charge of validating the extrusion of an existing face."""
     # Create a Sketch and draw a circle (all client side)