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In this course, Aaron F. Ross covers all the features you'll need to start creating advanced 3D models and animation with 3ds Max 2015. Learn the most suitable techniques for modeling different types of objects, from splines and NURBS to polygonal and subdivision surface modeling. Then learn how to design 3D motion graphics, set up cameras, animate with keyframes, and assign constraints. Aaron also provides an overview of lighting scenes within a simple studio setup, and construction of materials with the Slate Material Editor. Finally, learn about your hardware and software rendering options, and make your projects more realistic with motion blur, indirect illumination, and depth of field.
Depth of field is the effect of blurring based upon distance. And that's achieved in multiple different ways in 3DS Max. We're going to look at a simple way of doing it with Mental Ray. Just select the camera and go to the Modify panel and scroll down to the bottom and you will see Multi-Pass Effect. And we can go ahead and enable that. And there's some options here. Depth of Field, Motion Blur, we want Depth of Field, Mental Ray. Then we have the target distance and the F stop.
Those are going to determine the amount of blurring. Target distance is simply the focus plane, or what is the distance at which we want the image to be completely in focus? If we want to focus in on this character, for example, then we would set this target distance until the camera's target actually lands on the character. So let's reduce that target distance. And we can see here in the left view, at a distance of about 50 something centimeters, that character will be in focus.
Then we have the F stop. And this is the amount of blur. Lower numbers are going to give more blur. Generally, you'll want to set this down to a value of one or maybe a little bit lower. The best lens in the world has an F stop of 0.7, so we could set it to that. All right. And then render the camera view. See what we get. The first pass, of course, is the final gather, so let that calculate. And then it will take longer to render with Depth of Field. Each frame is going to take probably two or three times as long.
But we're getting a really, really nice effect here. With an F 0.7, it's a very dramatic blurring effect. And that really enhances the realism of this, because it signifies that this is a miniature. This is a very small object. Because real cameras are not able to easily photograph a scene that's very small in low light conditions and keep it all in focus. You'll notice that there's a little bit of grain here, if that were objectionable, then we could probably fix that by using different methods, but I think this is probably good enough for an intro course.
That was a very simple procedure. There are fancier ways of applying Depth of Field effects in 3DS Max and Mental Ray. But this one was so easy, it only took a second for us to set that up. Excellent. So that's a really brief introduction to what we can do in Mental Ray. And that completes our entire course in 3DS Max 2015 essential training.
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