From Pyxis public wiki
Summary: A process that stores all data that passes through it in memory and/or on disk.
- Coverage to Cache (1 Coverage) Any coverage with any number of fields. Can be elevation, imagery or any other type of sensor data.
- Description: The output is identical to its input for every data value. The Feature ID for this process is unique and is not derived from the input.
For additional information about how WorldView caches information, see Disk Caching.