.. _ArtLayer.applyUnSharpMask:

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ArtLayer.applyUnSharpMask
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   void **applyUnSharpMask** (:ref:`number` **amount**, :ref:`number` **radius**, int **threshold**)


Parameters
----------

+---------------+--------------------------------------------------------------+
| **amount**    | The amount of sharpening (as a percentage). Range: 1 to 500. |
+---------------+--------------------------------------------------------------+
| **radius**    | The radius in pixels. Range: 0.1 to 250.0.                   |
+---------------+--------------------------------------------------------------+
| **threshold** | The contrast threshold. Range: 0 to 255.                     |
+---------------+--------------------------------------------------------------+



Description
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Applies the unsharp mask filter.