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Thread: [HELP] Creating Texture2D from multiple PNG files

  1. #1
    damian
    Guest

    Talking [HELP] Creating Texture2D from multiple PNG files

    Is it possible to generate one PNG file which consists of many PNG files that can be used to create a texture2D object. What I mean is, I downloaded a 3D model with which instead of one PNG texture file they had multiple PNG files (e.g 1 for engine, 1 for wheels, etc.). I don't know how can I combine it into one PNG texture2D file that I can import in UDK.

    What if the order goes wrong, and the engine part of the texture shows on the wheels?

    Guess you know what I mean.

    Please help

  2. #2
    YakZSmelk
    Guest
    Yes that is possible but probably more work than you want it to be.

    in this case you just need to make multiple materials for the static mesh, when you open the static mesh to apply the textures there's a LOD pull down that contains all the slots for materials on the model.

  3. #3
    Kelt'ar
    Guest
    nONK MIGHT BE A MORE EFFECTIVE WY TO GO IF i UNDERSTAND YOU CORRECTLY

  4. #4
    damian
    Guest
    Thanks for the reply. Where is this option? In the UDK?

  5. #5
    YakZSmelk
    Guest
    When you double click on the model you'll see where you add the materials. You'll need a seperate material for each texture.

    Click image for larger version. 

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  6. #6
    Kelt'ar
    Guest
    Oy, my stupidity...I meant Bink...Its a program U can download and convert videos into a format UDK can upload.

  7. #7
    tigerija
    Guest
    You want more materials on your model only if they will be different. For example one part is wood and other is metal. Or somethng like that. But you should try to avoid putting lots of materials (more than 3) on one model if its not for pre-rendered scene (cinematics).

  8. #8
    Kelt'ar
    Guest
    Oh I see...Oy my supidity again...U want a model with two materials?...In the static or skeletal mesh editor, when U click on the material slot, the faces it applies to should light up...If U want to use one texture, then your uv map for all parts of the meshshould not overlap...then U can texture one part wood and the other metal...am I close to being right?

  9. #9
    Solid Snake
    Guest
    Not really.

    There isn't an automatic way to create texture atlases from multiple image files. You'll need to modify both the textures and mesh in order to do this properly.

    1) You need to use an image editing software to combine the multiple image files into a single texture. Adobe Photoshop (Premium) or GIMP 2 (Freeware) are usually good options.
    2) You need to use a 3D model editing software to modify the UV maps so that they reference the correct section of the texture atlas. 3DSMax/Maya (Premium) or Blender (Freeware) are usually good options.

  10. #10
    DGlow
    Guest
    You could try simplygon, It can combine multiple textures. It wont result in the same quality as manually combining the textures and uvs but it might be easier if you are not good at those things.

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