1D Integrity Tool - Pipe Direction
Tool Description
Checks pipe direction and will correct based on the selected rule. Based on inverts will check the gradient of the pipe is in the direction of flow. If there is a negative gradient, the tool will switch the pipe direction. Based on pipe direction continuity will do a basic check on places where the pipe direction does not appear to be continuous. It will ignore pipes that connect to junctions with 3 or more other pipes as these can be ambiguous in determining continuity.
Inputs
The following inputs are used:
- Input Network Lines
Outputs
The following are output from the tool:
- A temporary layer for each input with pipe direction corrected.
Processing Options
The following options are available:
- Based on inverts - will change the pipe direction if there is an adverse gradient (downstream invert is higher than the upstream invert).
Recommended only if it is apparent from an initial, manual inspection that the pipe dataset has occurrences of this error (i.e. not recommended to run this option by default without first confirming it's needed).
Note: This tool will only correct pipe direction if the adverse inverts are in the channel attribute data (i.e. if elevations are stored at the pits, then this option will not change the pipe direction).
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