1. Creating Crater
Start 3ds Max and
open the file that was saved in the last part of the tutorial.
Delete all placeholders
to create the crater from scratch.
Create a plane with Length
Segments and Width Segments as 150 each.
Press M to open Material Editor.
With an empty slot selected, click on Get
Material icon. It opens the Material/ Map Browser window. Select Gradient
Create the ramp as show in the following image.
Set the Gradient
Type to Radial, Noise Amount to 0.5 and Noise Type
Double-click on the map slot to see the map
clearly. The black part shows the depth and the white part shows the surface.
modifier on to the plane.
Drag and drop the Gradient Ramp map to the Map
section of Displace modifier as shown in the following image.
value of Strength as shown in the following image.
The crater looks
like as shown in the following image.
With the second empty slot selected, drag and drop
the Gradient Ramp map to the Diffuse channel of the second empty
slot. Apply this material to the ground.
texture to the black and grey ramp points as shown in the following image.
You get the crater texture as shown in the
Apply 3-Point lights to lit the scene according to
the live background plate.
Press F10 to open Render Setup window. Render the frame with
alpha channel till the desired range. You can choose either TGA or PNG
file format for alpha channel.
2. Compositing in After Effects
Open After Effects and import the
to the timeline. Bring in the live action footage as well and place it below the 3d rendered framers.
With the rendered frames
layer selected, Right Click on it and go
to Blending Mode > Darken.
Hit the Play button and you will see
the 3D rendered scene matching perfectly with the live footage.
In the next part of the tutorial, I’ll show you some different ways to track the footage in different software.