Allow --pad arg in auto conversion entry point (#796)

* allow --pad arg in auto conversion entry point

* update changelog

Co-authored-by: Florian M <[email protected]>

Author: philippotto

wkcuber/Changelog.md

@@ -12,6 +12,7 @@ For upgrade instructions, please check the respective *Breaking Changes* section
 ### Breaking Changes
 
 ### Added
+- The modules `wkcuber` and `wkcuber.converter' also accept `--pad` as a CLI argument to allow converting image data with differing image extents. [#796](https://github.com/scalableminds/webknossos-libs/pull/796)
 
 ### Changed
 

wkcuber/wkcuber/converter.py

@@ -48,6 +48,15 @@ def create_parser() -> ArgumentParser:
         type=parse_path,
     )
 
+    parser.add_argument(
+        "--pad",
+        help="Automatically pad image files at the bottom and right borders. "
+        "Use this, when the input images don't have a common size, but have "
+        "their origin at (0, 0).",
+        default=False,
+        action="store_true",
+    )
+
     add_voxel_size_flag(parser)
     add_verbose_flag(parser)
     add_data_format_flags(parser)