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Theoretical and Conceptual tools, an applicatory example | ||
| Journal of Research Diyala humanity | ||
| Article 1, Volume 0, Issue 27, 2017, Pages 22-56 | ||
| Author | ||
| Majed Ali Kareem | ||
| Abstract | ||
| This paper provides to illustrate the role of the geographic information system for representation geographical elements of the real world. Objective is to provide the learner the basic concepts of the processing of geographic information, supplementing the methodological elements with the technical ones, as well as the principles that subtend this processing and the evaluation of the impact that a GIS has in the organization of a public body or a private institution. The GIS application consists in a serious of phases: readers will learn the basics of working with existing GIS data maps, how to build maps from GIS data and how to create, them add, graphs and reports to their maps and how create a thematic map using values of an external table. Finally work with editing features on existing themes, with a shape file joining new points and creating a new theme. The aim is to georefer the records of an external table, connecting this to the attribute table of the layer of points through a common field (join), to identify the values of the chemical parameters. The hypothesis is that the layer contains information about the location of the samples of sediments, and the external table contains the values of chemical analysis of the sediments in the context of Venice territory, so to verify illustrate role of petrochemical fabric of Marghera on the surrounding territory. Elaborate matters are following: 1. to load vector and raster layers, to set up colours, symbols and name, 2. to work with the tables, create a thematic map using values of an external table, 3. to editing features on existing themes, Creating a new theme. Editing a shape file joining new points. The used data for this applicatory departs come from the municipality of Venice and “defended association of Marghera”. | ||
| Keywords | ||
| The role of geographic information system for the elements of the geographical representation of the real world | ||
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