When creating textures for use in a 3d application or game, sometimes it’s necessary to địa chỉ cửa hàng finer detail, such as a bump bản đồ or normal map. Normal maps fake the lighting on textures to create additional detail, without adding more polygons.Bạn đã xem: biện pháp làm normal maps trong photoshop

For normals, I figured you had khổng lồ always rely on a 3rd các buổi tiệc nhỏ application such as CrazyBump. While CrazyBump is a great piece of software, I hadn’t realized it was already possible using the popular photo-editing software, Photoshop.

Bạn đang xem: Cách làm normal map trong photoshop

Please Note: The 3 chiều functionality is not available in Photoshop versions CS6 và prior, and therefore will be unable lớn create normal maps.

Open Texture in Photoshop

For this example, I’ll use a leather texture found on textures.com:

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Open Photoshop & switch lớn the 3d Workspace:

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Open the texture you want khổng lồ create a bump maps for. In the 3 chiều panel, select Mesh From Preset, & choose a shape:

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In the 3d panel, you’ll see an object name with _Material. Click that:

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Create the Normal Map

The Properties panel changes khổng lồ reflect options corresponding khổng lồ the material properties. Right now our texture is loaded into the Base color channel. There’s a button at the bottom labeled Normal. Click that và select Generate Normals From Base Color…

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After a few seconds, the Generate Normal bản đồ window opens:

There’s a preview of your shape, & you can adjust Contrast Details và all that fun stuff. Click OK. Your normal map is created và applied lớn the shape.

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Note: If Photoshop locks up, you can also try this simpler method:

Open texture in Photoshop as you would normally any image. Make sure the image mode is set lớn RGB. (Having tried with Greyscale, it would freeze up again.)Choose Filter3DGenerate Normal Map…Adjust your maps as necessary (I left my lớn default). Click OK.Save your file as PNG (not sure if it really matters). You’re done!

To save the bản đồ out of Photoshop, click on the Normal button again in the Properties panel, và this time select Edit Texture…

Your map will xuất hiện in a separate document window. Choose File, Save As… Choose Tiff as the Format, và uncheck Layers:

On the TIFF Options dialog, just keep everything as default:

Now you can use this normal maps inside of a 3d application or game engine to get more detail out of textures.

As you can see in the example below, a normal maps can add much more realistic lighting detail on the surface of your mesh.


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