.. _ArtLayer.adjustLevels:

================================================
ArtLayer.adjustLevels
================================================

   void **adjustLevels** (int **inputRangeStart**, int **inputRangeEnd**, :ref:`number` **inputRangeGamma**, int **outputRangeStart**, int **outputRangeEnd**)


Parameters
----------

+----------------------+--------------------------------------------------------------------+
| **inputRangeStart**  | The input levels minimum. Range: 0 to 253.                         |
+----------------------+--------------------------------------------------------------------+
| **inputRangeEnd**    | The input levels maximum. Range: (input range start + 2) to 253.   |
+----------------------+--------------------------------------------------------------------+
| **inputRangeGamma**  | The input levels gamma. Range: 0.10 to 9.99.                       |
+----------------------+--------------------------------------------------------------------+
| **outputRangeStart** | The output levels minimum. Range: 0 to 253.                        |
+----------------------+--------------------------------------------------------------------+
| **outputRangeEnd**   | The output levels maximum. Range: (output range start + 2) to 253. |
+----------------------+--------------------------------------------------------------------+



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

Adjusts levels of the selected channels.