{"id":1388,"date":"2017-01-26T22:12:52","date_gmt":"2017-01-26T22:12:52","guid":{"rendered":"http:\/\/avastar.online\/?page_id=1388"},"modified":"2017-01-26T22:12:52","modified_gmt":"2017-01-26T22:12:52","slug":"welding-normals","status":"publish","type":"page","link":"https:\/\/avalab.org\/avastar\/279\/knowledge\/welding-normals\/","title":{"rendered":"Welding Normals"},"content":{"rendered":"

<\/image> Welding Normals<\/h2>\n
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When you look at the Avastar Character you might have noticed that\u00a0 the entire avatar looks like it was made of one mesh. There are no seams between head, upper body and lower body.<\/p>\n

But actually the Avastar body is made of 3 meshes. And normally one would expect to see seams between the meshes. So what is the trick here?<\/p>\n

The answer is: We use Blender’s Data Transfer Modifier for welding the edge Normals of adjacent objects.<\/p>\n<\/div>\n

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\"Image329\"<\/a><\/p>\n<\/div>\n<\/div>\n

The Data Transfer Modifier<\/h3>\n
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You have to make 4 settings here:<\/p>\n

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  1. Define the Target Mesh (Upper Body here)<\/li>\n
  2. Enable Face Corner Data<\/li>\n
  3. Enable Custom Normals<\/li>\n
  4. Set the Max Distance of influence to a low value<\/li>\n<\/ol>\n

    I explain below in more detail what the 4 settings do<\/p>\n<\/div>\n

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    \"Image331\"<\/a><\/p>\n<\/div>\n<\/div>\n

    Define the Target Mesh<\/h4>\n
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    We want the Normals of the head (where the Data transfer Modifier has been added) to be aligned to the Normals of the the Adjacent Upper Body (the target mesh)<\/p>\n

    You see in the image that the Normals of the adjacent mesh vertices do not point in the same direction. Hence you usually get visual seams at these locations.<\/p>\n