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I have a large scene with ~500 objects and I want to turn it into wireframe so I can assign blue emission shader and have sci-fi looking scene like this ground here: enter image description here

How can I achieve that if I have ~500 induvidual objects Allso notice how in this Image you can't see the wireframe through objects, this is what I want to do. I can try aplying black material to everything but how can I render it showing both wireframe and black material?

STATUS UPDATE:

I folowed the instructions from materials you linked me and asigned black material to all objects, duplicated everything and changed the material of the coppy to wireframe. When I go to rendered wiew it seems to look just fine:enter image description here

But when I try to render it it appears glitchy and half transparent: enter image description here

Wire frame is a mix of transparent and emission with factor of wireframe if it helps...

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You could use Freestyle.

  • In edit mode , CtrlE > Edge Data, mark all edges Freestyle
  • Enable Freestyle in the Render settings, setting line width here, if you like
  • In Scene settings, modify the Freestyle Line Set, including only Visible and Marked Edges, and set the color you want.
  • Give all your objects and the World a black material, (no lights necessary)

enter image description here

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  • $\begingroup$ Is there a way to make freestyle lines emit light? $\endgroup$ Jul 9, 2018 at 10:40
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    $\begingroup$ They are not part of the main render, they're a post-effect, so their 'light' can never affect anything else in the scene..(they don't have any). But you could use a Glare node in the compositor to add a pixel-brightness based glow, if that's what you're after. $\endgroup$
    – Robin Betts
    Jul 9, 2018 at 11:24

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