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.. _noop:
================================================================================
No operation
================================================================================
.. versionadded:: 6.1.0
Pass a coordinate through unchanged.
+---------------------+--------------------------------------------------------+
| **Alias** | noop |
+---------------------+--------------------------------------------------------+
| **Domain** | 4D |
+---------------------+--------------------------------------------------------+
| **Input type** | Any |
+---------------------+--------------------------------------------------------+
| **Output type** | Any |
+---------------------+--------------------------------------------------------+
The no operation is a dummy operation that returns whatever is passed to it
as seen in this example::
$ echo 12 34 56 78 | cct +proj=noop
12.0000 34.0000 56.0000 78.0000
The operation has no options and default options will not affect the output.
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