A rectangular area of a frame to analyse. All numbers, so it can be saved and sent to a worker.
Grid spacing, metres. Rivers are traced cell by cell, so this is their finest detail.
Extent along z, metres.
Extent along x, metres.
Minimum x (west edge) in the frame, metres.
Minimum z (north edge) in the frame, metres.
A rectangular area of a frame to analyse. All numbers, so it can be saved and sent to a worker.