Add example, add not in readme and fix indentation in docstring

Author: finsberg

.github/workflows/build_docs.yml

@@ -14,7 +14,7 @@ jobs:
 
   build:
     runs-on: ubuntu-24.04
-    container: ghcr.io/fenics/dolfinx/lab:v0.8.0
+    container: ghcr.io/fenics/dolfinx/lab:v0.9.0
     env:
       PUBLISH_DIR: ./_build/html
       DISPLAY: ":99.0"
@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install dependencies for pyvista
-        run: apt-get update && apt-get install -y libgl1-mesa-glx libxrender1 xvfb
+        run: apt-get update && apt-get install -y libgl1-mesa-dev xvfb
 
       - name: Install dependencies
         run: python3 -m pip install --no-build-isolation ".[docs]"

README.md

@@ -17,6 +17,7 @@ The package is still in its early stages and many functionalities are still miss
 - Simplified wrapper to create MeshTags based on a list of tags and corresponding locator functions.
 - Maps between degrees of freedom and vertices: `vertex_to_dofmap` and `dof_to_vertex`
 - Blocked Newton Solver
+- Function evaluation at specified points
 
 ## Installation
 

_toc.yml

@@ -11,6 +11,7 @@ parts:
     - file: "examples/xdmf_point_cloud.py"
     - file: "examples/mark_entities.py"
     - file: "examples/blocked_solver.py"
+    - file: "examples/evaluate_function.py"
   - caption: Reference
     chapters:
     - file: "docs/api.rst"

src/scifem/eval.py

@@ -13,7 +13,7 @@ def evaluate_function(
         u: The function to evaluate.
         points: The points to evaluate the function at.
         broadcast: If True, the values will be broadcasted to all processes.
-             Note:
+            Note:
                 Uses a global MPI call to broadcast values, thus this has to
                 be called on all active processes synchronously.
             Note: