Outdated version of the documentation. Find the latest one here.

Topographic position index (tpi)

Description

<put algortithm description here>

Parameters

Elevation [raster]
<put parameter description here>
Standardize [boolean]

<put parameter description here>

Default: True

Min Radius [number]

<put parameter description here>

Default: 0.0

Max Radius [number]

<put parameter description here>

Default: 100.0

Distance Weighting [selection]

<put parameter description here>

Options:

  • 0 — [0] no distance weighting
  • 1 — [1] inverse distance to a power
  • 2 — [2] exponential
  • 3 — [3] gaussian weighting

Default: 0

Inverse Distance Weighting Power [number]

<put parameter description here>

Default: 1

Inverse Distance Offset [boolean]

<put parameter description here>

Default: True

Gaussian and Exponential Weighting Bandwidth [number]

<put parameter description here>

Default: 75.0

Outputs

Topographic Position Index [raster]
<put output description here>

Console usage

processing.runalg('saga:topographicpositionindextpi', dem, standard, radius_min, radius_max, distance_weighting_weighting, distance_weighting_idw_power, distance_weighting_idw_offset, distance_weighting_bandwidth, tpi)

See also