Join Brian Bradley for an in-depth discussion in this video Adding Motion Blur effects, part of V-Ray 3.0 for 3ds Max Essential Training.
- As already noted in the V-Ray physical camera chapter, in scene or in camera motion blur can sometimes be the only option open to us when we need to create some very specific motion blur effects. And so, in this video we will focus on how we go about creating motion blur, whilst rendering with the 3ds Max physical camera. In our start scene, if I just scroll up the timeline a little, you can see a part of the animation that we are going to be using in order to add motion blur to our renders. If I set the timeline here to frame 55 and take a render, you can see, despite the fact that we clearly have plenty of motion running through the frame, that we don't actually have any kind of a motion blur effect showing up.
In fact, if I just pull my media player into view here, you can see as I play through what is essentially the first 81 frames of this animation, that we definitely have no motion blur occurring anywhere in the shot. Let's go ahead and change that, then, by selecting our camera from the scene explorer, and then, in the physical camera rollout, putting a check in the enable motion blur box. Now, of course, the control mechanism for motion blur, just as is the case on a real world camera, is going to be the shutter. Unlike a real world camera, though, we actually get to choose how the mechanism is going to be controlled here.
With the default shutter type of frames, we get to determine, by means of a frame count value, how long the shutter will stay open and hence how strong the motion blur effect will be. The default here is 0.5 frames. We could, though, switch to a more photographic approach, and control the shutter in fractions of a second, with the default being 1/1000th of a second. We can express that same setting in decimal values if we prefer, by switching over to the seconds option, where we now get a reading of 0.001.
Or we can of course simulate a motion picture camera shutter by working in degrees, the default setting here being 180 degrees. Let's set this back to the default of frames, leaving the frames setting at 0.5, and with our timeline still set at frame 55, take another render. What we get now, with motion blur enabled, is a very clear motion blur effect taking place in the image. Again, if I just open up a version of this animation in the media player and drag it into view, then you can see that we do indeed have some nice motion blur taking place.
And we can, of course, adjust this effect to be as subtle or as bold as we like. A lower frame duration count, so essentially, a faster shutter speed, will give us less motion blur, whist, of course, going in the opposite direction and using a larger frame number will give us a slower shutter speed, and so a much stronger motion blur effect. Creating motion blur using the 3ds Max physical camera controls, then, is a pretty painless thing to do, once we have the hang of the way in which it works. And of course, as with the depth of field effect, the brilliant thing here, should we be working with the default exposure system of target, is the fact that no matter what changes we make to our shutter speed, the exposure in our scene will always stay exactly where it has been set.
- Using the new UI elements, Quick Settings, and revamped Frame Buffer
- Understanding color mapping modes
- Adding V-Ray light types
- Working with the V-Ray Sun and Sky systems and dome light
- Using irradiance mapping and light cache
- Working with diffuse color maps
- Making reflective materials
- Creating a translucency effect
- Using the new SSS and skin shaders
- Ensuring quality with image sampling
- Working with the adaptive subdivision engine
- Controlling the physical camera
- Working with FX tools such as VRayFur and VRayMetaball
- Stereoscopic 3D rendering
- Using Render Mask
Skill Level Intermediate
Q: This course was updated on 02/02/2016. What changed?
A: We added tutorials on the new 3ds Max camera tool, which replaces the defunct V-Ray Physical Camera. The author also includes a method for creating a V-Ray camera via scripting.
Q: This course was updated on 04/19/2018. What changed?
A: New videos were added that cover V-Ray 3.1 to 3.3 updates.
SketchUp: Rendering with V-Ray 3with Brian Bradley4h 15m Intermediate
V-Ray: Control Color Bleed in SketchUpwith Brian Bradley1h 2m Intermediate
Introduction and Important Information
V-Ray 3.1 to 3.3 Updates
V-Ray 3.4 to 3.6 Updates
1. Getting Ready to Render with V-Ray
2. Key Lighting Tools
3. Global Illumination
4. V-Ray Materials and Maps
5. Quality Control with Image Sampling
6. Working with Cameras: The V-Ray Physical Camera
7. Working with Cameras: V-Ray 3 & the 3ds Max Physical Camera
8. The V-Ray FX Tools
What's next?1m 47s
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