Fix Link Orientation¶
Summary¶
Check links are oriented downslope.
Tags:hydrography, graph
Usage¶
- Wrongly oriented links can be either modified and reversed (default), or selected in the input layer.
- Input nodes must have Z coordinate (extracted from a DEM for example).
- Optionnaly, outlets can be specified by selecting relevant nodes in the node layer.
Parameters¶
| Parameter | Description | Type |
|---|---|---|
Input layer
INPUT
|
QgsProcessingParameterFeatureSource | |
Do Not Modify and Select Mis-Oriented Links
DRYRUN
|
QgsProcessingParameterBoolean | |
From Node Field
FROM_NODE_FIELD
|
Default value: NODEA
|
QgsProcessingParameterField |
To Node Field
TO_NODE_FIELD
|
Default value: NODEB
|
QgsProcessingParameterField |
Nodes with Z coordinate
NODES
|
QgsProcessingParameterFeatureSource | |
How To Define Outlets
OUTLETS_DEFINITION
|
QgsProcessingParameterEnum | |
Node Primary Key
NODE_PK_FIELD
|
Default value: GID
|
QgsProcessingParameterField |
Oriented Network
OUTPUT
|
QgsProcessingParameterFeatureSink |