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I created a simple monkey mesh in Blender and exported the obj file to load on my C++ application. Upon inspection of the file I see lines like this:

vt 0.900583 0.804677
vt 0.899781 0.626257
vt 0.898822 0.786233
vt 0.887842 0.636527

Now, as far as I know vt denotes texture coordinates, right? If so, shoudn't these be zero since I'm not using a texture at all?

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  • $\begingroup$ Well, there already is an answer - but just to make it clear, as you phrased it yourself, you are exporting coordinates, not a texture. Coordinates then can be used to place a texture in a different software even though there is no texture on the original object. The coordinates come from the UVs, and although you might not have unwrapped the object - the "simple monkey" like all built-in mesh primitives come with already unwrapped UVs by default. $\endgroup$
    – Gordon Brinkmann
    Mar 7 at 14:37

1 Answer 1

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If the object has a UV Map it is exported. Textures and texture coordinates are separate things. If you do not want your object to have a UV map, delete it before exporting:

enter image description here

Or simply don't export it:

enter image description here

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