Add *Fichet et al. (2021)* examples.

README.rst

@@ -876,6 +876,18 @@ Images
 
     (276, 281, 3)
 
+Spectral Images - Fichet et al. (2021)
+**************************************
+
+.. code-block:: python
+
+    components = colour.read_spectral_image_Fichet2021("Polarised.exr")
+    list(components.keys())
+
+.. code-block:: text
+
+    ['S0', 'S1', 'S2', 'S3']
+
 Look Up Table (LUT) Data
 ************************
 

colour/examples/io/examples_fichet2021.py

@@ -0,0 +1,32 @@
+"""
+Showcases *Fichet, Pacanowski and Wilkie (2021)*
+*OpenEXR Layout for Spectral Images* related examples.
+"""
+
+import os
+import tempfile
+
+import colour
+from colour.utilities import message_box
+
+ROOT_RESOURCES = os.path.join(
+    os.path.dirname(__file__), "..", "..", "io", "tests", "resources"
+)
+
+message_box('"Fichet, Pacanowski and Wilkie (2021)" Spectral Image Reading and Writing')
+
+message_box("Reading a spectral image.")
+path = os.path.join(ROOT_RESOURCES, "Ohta1997.exr")
+components, specification = colour.read_spectral_image_Fichet2021(
+    path, additional_data=True
+)
+print(components)
+print(specification)
+
+print("\n")
+
+message_box("Writing a spectral image.")
+_descriptor, path = tempfile.mkstemp(suffix=".exr")
+colour.write_spectral_image_Fichet2021(components, path)  # pyright: ignore
+components = colour.read_spectral_image_Fichet2021(path)
+print(components)

docs/index.rst

@@ -651,6 +651,18 @@ Images
 
     (276, 281, 3)
 
+Spectral Images - Fichet et al. (2021)
+**************************************
+
+.. code-block:: python
+
+    components = colour.read_spectral_image_Fichet2021("Polarised.exr")
+    list(components.keys())
+
+.. code-block:: text
+
+    ['S0', 'S1', 'S2', 'S3']
+
 Look Up Table (LUT) Data
 ************************