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Multiple texture sheets in gMax?

S

Super_Hornet

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12
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australia
Hi,

I'm trying to make my first ground poly and I'm trying to figure out how to use multiple texture sheets on a single plane. I can texture an object with a single sheet fine, but I don't know how to use multiple. Is there anyone that can point me in the right direction?

Thanks
 
The simplest way to use multiple texture sheets is to make a Multimaterial.

Press Add until you have the number of slots you need, then add textures to each slot

When appying the materials ALWAYS apply the multimaterial (in fact I delete all others!)

You then tell Gmax which material goes where by setting the material ID.

Don't ever let Gmax assign multimaterials it makes a mess ... take control!
 
Btw, each polygons can only have one texture assigned. But if you object has multiple polygons, each can have a different texture with the approach given above.
 
Ok thanks for that guys. I just need to know a couple of things:
I have 6 texture sheets with 3 strips of runway on them, so I divided the length of the runway into 18 sections, and gave them material ID's (18 in total). Would I make a UVW map for every 3 ID's? (Because of there being 3 runway textures per sheet).

Thanks
 
You really only need an ID for each material (and hence texture sheet)

So in this case 6 MatID's (number of each correlates to the slot number in your multimaterial)

One face can only have a single MatID, however, a single MatID can be applied to multiple faces / polys.

If you unwrap these, you can sequentially select the textue, then select the MatID's to work with in the unwrap window.
 
Thanks again hcornea, although didn't word it properly. This is the issue I'm having (the second section in the UVW is attached to the end of the first). Here's a pic:

captureajk.png


Thanks
 
You will need to break the UVW vertex welds ... in fact the simplest way to do this is to

1) Select the Material ID's you want (Polygon, Select by ID on the rollout)
2) Unwrap --> only the verts related to the selected polys will display
3) select the appropriate texture sheet (top right drop-down on the Unwrap window)
4) Unwrap this set of verts as required.

repeat for all the MatiD's

Alternatively you can break the welds on the UVW verts, but then you have to re-weld the ones you want and it really gets rather tedious.

(who would have thought UVmapping could be tedious? :D )

Given that you have two sets of "similar" maps on a runway, you may be able to select appropriate groups of MatIDs and unwrap those together (eg the ones down the bottom half of the texture sheet). Then refine them later.
 
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