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Landscape Archaeology


GIS and spatial analysis for archaeology

Hillshade in QGIS: how does it work ?

As implemented in Terrain Shading module

Posted on October 10, 2020

Figure 1. Hillshade model of Požega valley (Croatia). [Read More]
Tags: QGIS Terrain Shading

Visibility index (total viewshed) for QGIS : finally there!

Posted on May 1, 2020

Welcome visibility index algorithm, a.k.a. total viewshed, now available in QGIS Visibility analysis plugin. This metric informs us on the size of the visual field for any location across a given terrain, normally each pixel in a gridded digital elevation model (DEM). At first, visibility index resembles other terrain indices... [Read More]
Tags: QGIS visibility plugin

Name the enemy: geographic projections in GIS

Projecting rasters in QGIS

Posted on April 4, 2020

So, you have your data, you’ve installed a GIS program … and there we go: slope gradient – check, solar exposition – check, water drainage – check, visibility range – check … [Read More]

Distance and direction filters for QGIS Viewshed analysis

Posted on March 30, 2020

Viewshed analysis produces a model of visible areas from a chosen point, given a 2.5 or 3D elevation model. Most often, we model full range visibility, in all directions from an observer point, but such models may not satisfy all uses. For instance, we are sometimes interested in a scene... [Read More]
Tags: QGIS visibility plugin

Viewshed analysis in QGIS 3: a tutorial

Posted on March 15, 2020

Viewshed analysis denotes field of vision modelling in GIS jargon. The term is quite awkwardly borrowing its suffix from watershed, even if there is nothing being “shed”. Anyway, the term viewshed has become commonplace in GIS terminology and is here to stay. [Read More]
Tags: QGIS visibility plugin
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Zoran Čučković  •  2022  •  LandscapeArchaeology.org  •  ISSN 2649-8774

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