Explains what is Maxwell and how it works.
This video made by Jason Maranto shows how to use his grass Angle map Substance, using the free Substance player from Allegorithmic.
This Substance allows you to quickly create grass angle maps and clumping effects with many customizable parameters and options. You can download the Substance here:
This video shows how to use the two Photoshop actions to create two kinds of angle maps - swirling pattern (crop circles), or radial maps to create "pots" of grass expanding outwards. The two actions can be downloaded from here:
If you want to find out more details about how angle maps work, watch Part 1 of the video.
An RGB angle map can be used with Maxwell Grass to have precise control over the direction of the grass blades. This tutorial will show you in detail how to create a few angle maps using Photoshop, including a map to create a crop circle effect.
If you're pressed for time or not interested in that much detail, watch Part 2 of the video to learn how to use two Photoshop actions which automatically create angle maps.