set_direc: Revise the flow direction of the flow direction data.

In Sibada/sibadaR: Sibada's accumulated R scripts for next probably use to avoid reinventing the wheel.

Description

Revise the flow direction of the flow direction data created by create_flow_direction().

Usage

set_direc(direc_grid, row, col, direc, arc_code = TRUE, keypad_dir = TRUE)

Arguments

direc_grid	Flow direction data created by create_flow_direction().
row	Row of the gridcell to be revised.
col	Column of the gridcell to be revised.
direc	New flow direction of the gridcell. For more convinient calibration, the direction code is sat as the keypad. It means that 1 is southwest, 2 is south, 3 is southeast, and so on. set keypad_dir to FALSE can revise the direction code directly.
arc_code	If use the ArcInfo flow direction code.
keypad_dir	If use keypad flow direction code.

Value

The flow direction data after revise.

Sibada/sibadaR documentation built on Jan. 31, 2020, 6:40 p.m.