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Gazwan

Change Building Texture

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Posted (edited)

Hi guys,,
I got a free 3d low poly model for a city, the building is just a one null object, and I need to change the colors for the walls and the windows..etc. which I cannot do.

so how can I do this  ?

 

Thanx for ur help :) 

Screenshot_c4d.png

Edited by Cerbera
Accurate Titling / Moved to correct section

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16 minutes ago, Gazwan said:

the building is just a one null object

All the nulls in that scene have + signs next to them which means your statement cannot be true - each of them has something in it, but from the screenshot we can't see what. We also can't see how that material might be mapped on to the building. Once you have identified the building model within the null you need to tell us what the mapping mode of that is, and what materials are applied to it. If you don't know these things pls upload the scene file.

 

CBR

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  • 4 minutes ago, Cerbera said:

    All the nulls in that scene have + signs next to them which means your statement cannot be true - each of them has something in it, but from the screenshot we can't see what. We also can't see how that material might be mapped on to the building. Once you have identified the building model within the null you need to tell us what the mapping mode of that is, and what materials are applied to it. If you don't know these things pls upload the scene file.

     

    CBR

    Thanks a lot @Cerbera...here u are the file attached 

    cartoon-lowpoly-small-city-free-pack.zip

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    The colour information for everything in that scene is hard baked into the models. Unfortunately the fbx did not come with any selection tags that help or usable UV maps, so it's going to be faster to just redo the materials for that building than try and remap the UVs across the texture, which is basically just a colour table for the whole scene.

     

    This is the object you need to re-texture, and you do that initially by deleting the 2 highlighted tags in the screenie below.

     

    house.jpg.866075b26e4c9e60a35f2edc12ffcd4b.jpg

     

    Now create your new materials. Drag the wall one on to the building as a whole, which will give everything that texture.

    Now go round in Poly Mode selecting all the polys that comprise the windows. Drag your window material to that selection in the viewport, and your windows should get updated on the building. Repeat for any other parts you want textured differently.

     

    CBR

     

     

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  • Ok...thanx alot @Cerbera

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  • @Cerberabut would u plz inform me briefly how that's done .. one color table for the whole scene?!

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    There is no automatic functionality for this in Cinema. And it's impossible to be brief - you need to understand the concepts and methods of UV mapping, which is far too much to explain in a single forum post. Suggest you look up some videos on Youtube if you want the details. But essentially the principle is that you'd make a single map in Photoshop or whatever that contained a square of every colour you want in your scene, and then you'd have to make selections of every poly in the scene that used that colour, and align / overlap the UV polys on that part of the image.

     

    CBR

     

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  • aha.. Got it, so something like creating a color plate ... many many thanx :) 

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