Dimension Definition
====================

.. image:: icons/param_dims.svg

Declares which motors are moving during the scan.

Signals
-------

**Inputs**: Dataset

**Outputs**: Dataset

Description
-----------

.. image:: img/dimensions/dimension_definition_valid.png

Acquisition scan in ID03 are often done  with bliss command `fscan` or `fscan2d`: in that case metadata of the scan are automatically read in `fscan_parameters`.
There are no input to give and the interface is locked, just click **OK**.

For other scans: Click **Find Dimensions** to select which motors were moving during scan. Verify output data in the table, then click **OK**.