Issues of Accuracy, Precision and Error in GIS Data
Md. Asaduzzaman
Broschiertes Buch

Issues of Accuracy, Precision and Error in GIS Data

Lessons learnt from the Planning Projects of Bangladesh

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Prior to GIS (geographic information system), maps were used mainly for strategic planning. As a result, high spatial accuracy was not required. So, errors in spatially referenced data were ignored or considered acceptable. The situation changed today. Accuracy is a great matter of concern for not only increase of land s monetary value but also for decision making and so on. In Bangladesh, most of the physical planning projects are using GIS for preparing map and making decision but a lion s share of the data are inaccurate having spatial and attribute error. The more accurate a dataset will b...