Geographical Information Systems MR1510 Lecture 3.
Digimap: first year (and a bit) report Dr Hugh Buchanan User Support Co-ordinator, EDINA Geo-data services.
G EOGRAPHIC TOOLS AND RESOURCES MEASURE Evaluation.
1 What is GIS? A technology –hardware & software tools An information handling strategy The objective: to improve overall decision making.
Raster Data. The Raster Data Model The Raster Data Model is used to model spatial phenomena that vary continuously over a surface and that do not have.
Geographical Database Presented by: Myriam Benkirane Supervised By: Dr. D. Kettani.
Geographic Information Systems (GIS) Data Marcel Fortin Geographic Information Systems (GIS) and Map Librarian Map and Data Library December 7, 2009.
Spatial Data Model: Basic Data Types 2 basic spatial data models exist vector: based on geometry of points lines Polygons raster: based on geometry of.
