Creating Animatable Height Shapes for Surface Shading

As explained in Defining and Animating Elevation, it is possible to add shape definition to a Volume Object by connecting a drawing to it. But it is also possible to create basic animatable shapes and use them to add shape definition to a Volume Object. This allows you to animate parts of the surfaces in your surface shading system.

This is done by creating a system of Shape Line, Shape Curve and Shape Render nodes, and connecting it to the Height Map port of your Volume Object.

While the Shape Line and Shape Curve nodes define the points of the shape, the Shape Render node combines those points to generate shapes, and fill those shape with a height map, which can then be used by the Volume Object node, instead of a drawing or bitmap image.