Tags » GIS

Georeferencing a raster image in QGIS

Georeferencing basically implies the registration of a raster image in its proper location on the surface of the earth. Practically, its just registering to a GIS the image’s geographical control points. 34 more words

Geography

Routing in polygon layers? Yes we can!

A few weeks ago, the city of Vienna released a great dataset: the so-called “Flächen-Mehrzweckkarte” (FMZK) is a polygon vector layer with an amazing level of detail which contains roads, buildings, sidewalk, parking lots and much more detail: 273 more words

GIS

Intrasite Spatial Analysis of a Late Upper Paleolithic French Site Using Geographic Information Systems by Dustin Keeler

This paper is an analysis of site structure as it applies to social and behavioral organization within Paleolithic hunter-gather camp sites. A complete understanding of site structure requires the examination of high-definition sites that are very well preserved in terms of their spatial integrity. 148 more words

Articles

QGIS series- Making GIS affordable?

The QGIS platform is an open source GIS platform run by contributors from all over the world. Before the advent of QGIS, similar GiS software packages have been proprietary like MapInfo and Esri ArcGIS. 245 more words

Geography

GIS and Statistics

Let’s not lie here; statistics are brutal, useful, but brutal. GIS (thanks god) makes expressing statistical relationships easier and much more “consumable”. In addition to this, GIS also allows us to adapt classical statistics to fit into a landscape—analyzing where things/events are as they change across space. 342 more words

GIS

An Environmental Assessment of School Shade Tree Canopy and Implications for Sun Safety Policies: The Los Angeles Unified School District

ISPRS International Journal of Geo-Information, 2015, 4(2), 607-625

By April Moreno, John Tangenberg, Brian N. Hilton, and June K. Hilton

“In an effort to reforest school sites with limited resources, communities and non-profits have implemented projects on Los Angeles Unified School District (LAUSD) school sites, often without thought for the best location, long-term maintenance, or appropriateness of the tree type. 181 more words

GIS

Excel Geocoder

ESRI makes maps for Office. I thought this could be interesting and went to work on trying to insert a map in to a spreadsheet. I did not have much luck. 204 more words

GIS