SAGA - Topographic Position Index TPI

Tools for (grid based) digital terrain analysis.

SAGATERRAIN ANALYSISMORPHOMETRY
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contributed at 2018-11-06

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Method-focused categoriesData-perspectiveGeoinformation analysis

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Topographic Position Index (TPI) calculation as proposed by Guisan et al. (1999). This is literally the same as the difference to the mean calculation (residual analysis) proposed by Wilson & Gallant (2000). The bandwidth parameter for distance weighting is given as percentage of the (outer) radius.

How to Cite

SAGA (2018). SAGA - Topographic Position Index TPI, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/b505a5f4-d249-40f0-8240-bc5b0d86615d
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contributed at 2018-11-06

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