The output data structure

[changliao1025]

In the C++ backend, each watershed has its own data output JSON file. While in the python frontend, should we still separate them?

[changliao1025]

For the analysis part, it is desirable to conduct statistics on the watershed level.

[changliao1025]

In main folder:
Surface elevation
Flow direction
Slope
Drainage area

In watershed folder:
Surface elevation
Flow direction
Slope
Drainage area
Travel distance
Stream segment
Subbasin
Watershed