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Showing posts with the label how gis works

ArcGis Tutorial

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Go to the link and download from one drive. It also contains guidelines and GIS data to getting started.  Download Link: GIS Tutorial , GIS DATA FOR PRACTICE

CREATING GIS

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CREATING GIS  Essentially, geographic information states what is where. So to create geographic information, we have to record these two elements somehow. They can be captured through many different types of observations, measurements and surveys. Data can be sourced from aerial photography, satellite images, field samples, land surveying, population censuses, global positioning systems (GPS) and government administrative records among others. How To Combine Geographic Information..? If we are combining a number of different geographic information themes together, they may be from different sources, in different formats and covering different study areas.Therefore, we need to use a system to deal with the disparate sources and organize them so that they can be combined. A Geographic Information System does just that It is a tool for the input of different geographical information themes so that they can be stored, organized, displayed and analyzed. It uses geogr...