Normal map node
~~~~~~~~~~~~~~~~

The **Normal map** node generates a normal map from its input.

.. image:: images/node_filter_normal_map.png
	:align: center

Inputs
++++++

The **Normal map** node accepts a single greyscale image as input, interpreted as a heightmap.

Outputs
+++++++

The **Normal map** node outputs the generated normal map.

Parameters
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The **Normal map** node has the following parameters:

* the *format* of the normal map (default, OpenGL or DirectX)

* the *size* of the normal map

* the *strength* of the normal map effect

Notes
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This node outputs an image that has a fixed size.

Example images
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.. image:: images/node_normal_map_samples.png
	:align: center
