Difference between revisions of "Arcane University:Gimp for Skyrim"

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(→‎Applying Specular to Normal map Alpha Channel Guide: change from gallery to large thumbnails to make it easier to read)
 
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Gimp is a free tool with nearly as much features as Photoshop to paint textures and use the layer merging techniques. It can export via dds plugin the native file formate for Skyrims textures. It can also be used to overhaul existing or algorythm-created textures.
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'''GIMP (GNU Image Manipulation Program)''' is a free image editor, with functionality similar to [[AU:Photoshop for Skyrim|Photoshop]]. It can be used for digital painting, color correction, layering, masking, and scripted functions. For Skyrim, this is a great free alternative to Photoshop to combine the specular and normal map. While GIMP does have basic support for some DDS files, it is recommended to use [[AU:DDS Data Format#Comparison of DDS Exporters|another program]] for final export, as GIMP's compressor is inferior to most others.
  
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You can find details of the export formate and necessary settings on the page [[Arcane_University:DDS_Data_Format]].
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==Applying Specular to Normal map Alpha Channel Guide==
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== Export in GIMP ==
 
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* Exporting DDS texture files in Gimp via free Export Plugin with mipmaps for LOD and without an alpha map, so only Red Green Blue, also used for mono-color ("grey") maps and most commonly, diffuse maps (see texture sets, Arcane_University:Nif_Data_Format.
 
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* [[File:Gimp1.PNG]]
 
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* Exporting DDS texture files in Gimp via free Export Plugin with mipmaps for LOD and with an alpha map additionally to Red, Green and Blue channels, most commonly, for normal maps, which have specular map information in their alpha, creating roughness and ambient occlusion effects in a nif. (see texture sets, Arcane_University:Nif_Data_Format.
 
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* [[File:Gimp2.PNG]]
 
  
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1. With your specular map selected, in the channels tab, right click and select "channel to selection".
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[[File:GIMP1.png|left|thumb|upright=1.5|Step 1]]
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<br style="clear:both" />
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2. Then in the layers tab, select the normal map, right click it and choose "add layer mask".
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[[File:GIMP2.png|left|thumb|upright=1.5|Step 2]]
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<br style="clear:both" />
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3. Choose "selection".
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[[File:GIMP3.png|left|thumb|upright=1|Step 3]]
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<br style="clear:both" />
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4. Right click the normal map again and select "apply layer mask", and delete your specular map layer.
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[[File:GIMP4.png|left|thumb|upright=1.5|Step 4]]
  
 
[[Category:Arcane University-3D Art]]
 
[[Category:Arcane University-3D Art]]
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[[Category:Arcane University-Tool]]
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[[Category:Arcane University-Tool-Texturing| ]]
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[[Category:Arcane University-Tool-Texturing]]

Latest revision as of 16:31, 11 September 2021

GIMP (GNU Image Manipulation Program) is a free image editor, with functionality similar to Photoshop. It can be used for digital painting, color correction, layering, masking, and scripted functions. For Skyrim, this is a great free alternative to Photoshop to combine the specular and normal map. While GIMP does have basic support for some DDS files, it is recommended to use another program for final export, as GIMP's compressor is inferior to most others.

Applying Specular to Normal map Alpha Channel Guide[edit]

1. With your specular map selected, in the channels tab, right click and select "channel to selection".

Step 1


2. Then in the layers tab, select the normal map, right click it and choose "add layer mask".

Step 2


3. Choose "selection".

Step 3


4. Right click the normal map again and select "apply layer mask", and delete your specular map layer.

Step 4
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