QGIS plugins – Page 2 – Landscape Archaeology

Topographic Position Index for QGIS

Topographic position index (TPI) is a method of terrain classification where the altitude of each data point is evaluated against its neighbourhood. If a point is higher than its surroundings,…

QGIS plugins

Depth below horizon: new (old) functionality for QGIS viewshed analysis

The basic idea of visibility analysis is to test whether particular locations are theoretically observable from a given observer point (« theoretically » because our data and algorithms can never…

QGIS plugins

Visibility analysis for QGIS 3.0 : tackling big data

Viewshed plugin for QGIS is based on Numpy library for handling raster data. Numpy is tuned for high performance and is (relatively) easy to use. However, it relies heavily on…

QGIS plugins

Visibility analysis for QGIS 3.0

Visibility analysis plugin is now available in QGIS 3.0! It has been completely refurbished: from now on it will be integrated into the “Processing toolbox”. This is a more appropriate…

QGIS plugins

Visibility analysis, release 0.5.4: modelling the horizon

Visibility analysis plugin for QGIS is prospering quite well. As of writing [2016], it counts some 20 000 downloads and a bunch of « votes », which means that at…

QGIS plugins

QGIS visibility analysis algorithm

Made for QGIS visibility plugin, version: 0.5 It took me long time to develop an algorithm for the visibility analysis which would be comparable in terms of speed and quality…