Topographic position index (TPI) is a method of terrain classification where the altitude of each data point is evaluated against its neighbours. If a point is higher than its surroundings, the index will be positive, as for example on ridges and hilltops, while the figure will be negative for sunken... [Read More]
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 recreate site content for each visitor. It’s just static files. This translates into a) free hosting (it’s cheap to host static files), b) super-fast websites (no... [Read More]
Historicity and chronological puritanism.
Are we ever going to acknowledge the historical dimension of human landscapes?
Pebbles, faces and landscapes:
the archaeology of simulacra
Several weeks ago I stumbled upon an amusing article on a museum displaying pebbles and rocks resembling human faces, situated in Chichibu, Japan. The stones are called jinmenseki (珍石) and one should be able to recognise human faces in their naturally occurring dents and holes. The founder of the museum,... [Read More]
Some thoughts on hillshade models for Lidar analysis
Hillshade modelling is a standard form of terrain representation in cartography. The idea is to simulate lighting of a terrain from a certain direction (or multiple directions). The method is well known and constantly improved in GIS – as means of cartographic representation. It seems, indeed, difficult to imagine spatial... [Read More]