Howto:Use the normal map effect in aircraft: Difference between revisions

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To create the normal map, there are two options.
To create the normal map, there are two options.
* We can use a plugin that can convert a 2D texture representing height to a set of normals. There is a good [http://registry.gimp.org/node/69 normalmap plugin] for [[GIMP]] available. Those on Ubuntu should be able to install it directly from the package manager.
* We can use a plugin that can convert a 2D texture representing height to a set of normals. There is a good [http://registry.gimp.org/node/69 normalmap plugin] for [[GIMP]] available. Those on Ubuntu should be able to install it directly from the package manager.
* On the other hand, we can create a high polygon density model of the object in a 3D editor, and generate the normal map from this model. You can find more informations on this approach , applied to blender, [http://wiki.blender.org/index.php/Doc:Manual/Textures/Maps/Bump_and_Normal_Maps here]
* On the other hand, we can create a high polygon density model of the object in a 3D editor, and generate the normal map from this model. You can find more information on this approach , applied to blender, [http://wiki.blender.org/index.php/Doc:Manual/Textures/Maps/Bump_and_Normal_Maps here]


=== Lets see the 2D approach first: ===
=== Lets see the 2D approach first: ===

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