DOC: Add CudaCommon documentation

Author: Simon Rit

documentation/docs/copy_and_fetch_sphinx_doc_files.cmake

@@ -17,6 +17,15 @@ set(
   "documentation"
 )
 
+# List of files to grab from CudaCommon
+set(
+  CUDACOMMONFILES
+  "README.md"
+  "cuda_array_interface.md"
+  "examples/itkCudaArrayInterfaceCupyExample.py"
+  "examples/itkCudaArrayInterfaceTorchExample.py"
+)
+
 # Append the files in the subdirectories
 foreach(subdir ${DOCSUBDIRS})
   file(
@@ -89,6 +98,21 @@ foreach(content_file ${content_files})
   list(APPEND DOCSRCFILES "${content_file_rel_path}")
 endforeach()
 
+foreach(cudacommon_file ${CUDACOMMONFILES})
+  if(NOT EXISTS "${RTK_DOC_OUTPUT_DIR}/${cudacommon_file}")
+    set(
+      URL
+      "https://raw.githubusercontent.com/RTKConsortium/ITKCudaCommon/main/${cudacommon_file}"
+    )
+    file(
+      DOWNLOAD
+        "${URL}"
+        "${RTK_DOC_OUTPUT_DIR}/${cudacommon_file}"
+    )
+  endif()
+  list(APPEND DOCSRCFILES "${cudacommon_file}")
+endforeach()
+
 # Clean-up: remove all files which are not in the input files or in the _build and documentation/docs/ExternalData/ subfolders
 file(
   GLOB_RECURSE filesInOutput

index.md

@@ -7,16 +7,22 @@ RTK is an open-source and cross-platform software for fast circular cone-beam CT
 [![PyPI](https://img.shields.io/pypi/v/itk-rtk.svg)](https://pypi.python.org/pypi/itk-rtk)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/RTKConsortium/RTK/blob/master/LICENSE.TXT)
 
+<br>
+
 ```{toctree}
 GettingStarted
 ```
 
+<br>
+
 ```{toctree}
 :maxdepth: 1
 :caption: 💾 Download
 INSTALLATION
 ```
 
+<br>
+
 ```{toctree}
 :maxdepth: 1
 :caption: 📖 Learn
@@ -27,6 +33,17 @@ examples/README.md
 applications/README.md
 ```
 
+<br>
+
+```{toctree}
+:maxdepth: 1
+:caption: CudaCommon
+README.md
+cuda_array_interface.md
+```
+
+<br>
+
 ```{toctree}
 :maxdepth: 1
 :caption: 🔨 Develop
@@ -37,5 +54,4 @@ documentation/docs/rtk_3_migration_guide.md
 CodeContribution
 documentation/docs/README
 documentation/docs/Release
-
 ```