Archive
Tag: code
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Topographic position index (TPI): a Python implementation
Topographic position index (TPI) is a method of terrain classification where the altitude of each data point is evaluated against its neighbourhood. In a…
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Bulk editing posts for Jekyll
This website is generated by Jekyll, a static site generator. Static sites do not require complex backend engines, such as databases and software which…
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Looping through numpy arrays (e.g. moving/rolling window)
Numpy is the cornerstone of matrix based calculations in QGIS (and elsewhere). It does wonders with raster data (unless it hits the limit of…