From the course: Maya and Arnold: Architectural Materials

Projecting textures

From the course: Maya and Arnold: Architectural Materials

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Projecting textures

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- [Instructor] Now when you apply textures to an object, you will need to align those textures to the object itself. Now typically, this process is called UV mapping but there are a number of ways of going about this. Now I'm going to show you the simplest way, which is essentially just projecting textures onto an object. So I have this building here, but I really just want to work with this center wall here. So I'm just going to select this is called exterior wall office lower. And then under display, I'm going to do hide unselected objects. We can also do Alt + H as the keystroke. And that basically isolates my object. So I'm going to go ahead and center that in my viewport and you can see it's already mapped, but let's go ahead through the process so we can understand how to do this. Now we can map on it per object or a per face level. And so I just want to work with the front portion of this building. So I'm just going to right click go into face mode. Select this face and we are going to map this face using one of our projection. So under UV, we have these three projections cylindrical, planar and spherical. And obviously, this is closest to a plane. So we're going to go select planar. And then I'm going to fit the projection to best plain and that'll just automatically project it along the proper axis. And then let's go ahead and hit project. And so what this does is it projects the image in the texture onto this object. And as you can see, it fits it exactly, but it's rotated the wrong way. So I'm going to keep this selected and go into the Attribute Editor, and you can see we have this rotation angle here. So I'm just going to type in 90 and then we can adjust the projection, width and height. Now we can also use these handles to do this as well. And we can use a center handle to basically position how this texture fits on the object. So all you have to do is essentially select these dial it in, you can certainly use these controls as well. And this is probably the simplest way to do it. And this works for a lot of architectural surfaces because most buildings are made of flat surfaces. Now, if you wanted to map the other portions of this, you could, again select these faces and then map those as well. Now this is just the simplest and easiest way to map these faces, but if you have a more complex structure, you will want to go deeper and do something like UV unwrap.

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