Geopillole | Nicola De Innocentis - pillole di GIS Open Source , Mappe, Geografia e Telerilevamento

Heatmap & Leaflet

The heatmap is a powerful visualization method for describing a great group of point concentration and distribution. Here is a little example in Leaflet.

ColorMap

Do you feel like to paint the World? ColorMap is a project born by desire to exploit the powerful of open geographic data for entertainment’s aims. Painting has the power… Read more »

Resampling Theory:Nearest Neighbour, Bilinear, Bicubic

Overview about resampling theory for pixels upon an image, the principal steps for a corrected process and description on single techniques.

Shapefile’s Georeference

A short process in order to georeference any shapefile by terminal commands, using GDAL library ogr2ogr

Leaflet: a quick intro for webmapping

A short introduction to the Leaflet library. A basic guidelines where we show the basic features for doing a proper webmapping.

Montras de Lisboa

A map of Lisbon which shows and tells about the ancient shops in capital Portuguese’s centre. The map has been came along with several photos for showing the beautiful entries of each store.

SearchRoad: Leaflet Mobile and Plugins

A fast example about the flexibility of Leaflet on mobile, playng with a plugin adapted to study case.

Viewshed and LOS points

A QGIS guideline about the viewshed of a point on a digital elevation model and how it is possible to filter out points which doesn’t fall in line of sight (LOS)

Arrows on line vector

How to display arrows on a line vector in QGIS to represent a certain path’s directions.

CleaMAP – The Clear Map

A map which geographically marks Neapolitan places, CleaMap, where CleaNAP performed cleaning up actions in 2011, when the garbage emergency had its peak in the city.