Terrain channels¶

Description¶

<put algorithm description here>

Parameters¶

Elevation [raster]

<put parameter description here>

Threshold [number]

<put parameter description here>

Default: 5.0

Outputs¶

Flow Direction [raster]

<put output description here>

Flow Connectivity [raster]

<put output description here>

Strahler Order [raster]

<put output description here>

Drainage Basins [raster]

<put output description here>

Channels [vector]

<put output description here>

Drainage Basins [vector]

<put output description here>

Junctions [vector]

<put output description here>

Console usage¶

processing.runalg('saga:channelnetworkanddrainagebasins', dem, threshold, direction, connection, order, basin, segments, basins, nodes)

See also¶

Description¶

<put algorithm description here>

Parameters¶

Elevation [raster]

<put parameter description here>

Flow Direction [raster]

Optional.

<put parameter description here>

Initiation Grid [raster]

<put parameter description here>

Initiation Type [selection]

<put parameter description here>

Options:

• 0 — [0] Less than
• 1 — [1] Equals
• 2 — [2] Greater than

Default: 0

Initiation Threshold [number]

<put parameter description here>

Default: 0.0

Divergence [raster]

Optional.

<put parameter description here>

Tracing: Max. Divergence [number]

<put parameter description here>

Default: 10

Tracing: Weight [raster]

Optional.

<put parameter description here>

Min. Segment Length [number]

<put parameter description here>

Default: 10

Outputs¶

Channel Network [raster]

<put output description here>

Channel Direction [raster]

<put output description here>

Channel Network [vector]

<put output description here>

Console usage¶

processing.runalg('saga:channelnetwork', elevation, sinkroute, init_grid, init_method, init_value, div_grid, div_cells, trace_weight, minlen, chnlntwrk, chnlroute, shapes)

See also¶

Description¶

<put algorithm description here>

Parameters¶

Elevation [raster]

<put parameter description here>

Channel Network [raster]

<put parameter description here>

Flow Algorithm [selection]

<put parameter description here>

Options:

• 0 — [0] D8
• 1 — [1] MFD

Default: 0

Outputs¶

Overland Flow Distance [raster]

<put output description here>

Vertical Overland Flow Distance [raster]

<put output description here>

Horizontal Overland Flow Distance [raster]

<put output description here>

Console usage¶

processing.runalg('saga:overlandflowdistancetochannelnetwork', elevation, channels, method, distance, distvert, disthorz)

See also¶

Description¶

<put algorithm description here>

Parameters¶

Elevation [raster]

<put parameter description here>

Outputs¶

Strahler Order [raster]

<put output description here>

Console usage¶

processing.runalg('saga:strahlerorder', dem, strahler)

See also¶

Description¶

<put algorithm description here>

Parameters¶

Elevation [raster]

<put parameter description here>

Channel Network [raster]

<put parameter description here>

Tension Threshold [Percentage of Cell Size] [number]

<put parameter description here>

Default: 1

Keep Base Level below Surface [boolean]

<put parameter description here>

Default: True

Outputs¶

Vertical Distance to Channel Network [raster]

<put output description here>

Channel Network Base Level [raster]

<put output description here>

Console usage¶

processing.runalg('saga:verticaldistancetochannelnetwork', elevation, channels, threshold, nounderground, distance, baselevel)

See also¶

Description¶

<put algorithm description here>

Parameters¶

Elevation [raster]

<put parameter description here>

Channel Network [raster]

<put parameter description here>

Sink Route [raster]

Optional.

<put parameter description here>

Min. Size [number]

<put parameter description here>

Default: 0

Outputs¶

Watershed Basins [raster]

<put output description here>

Console usage¶

processing.runalg('saga:watershedbasins', elevation, channels, sinkroute, minsize, basins)

See also¶