NTA-NET (UGC-NET) Population Studies (15) Research Methodology and Programme Evaluation-Introduction to GIS Study Material (Page 11 of 13)

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GIS Buffer and Proximity Analysis

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Introduction

In the continuously progressing world, Geographical information system is playing a key role in understanding and accessing the information from real world. It is not only providing the image and visualization of real world but also helps in planning the prospects, glamorous, aesthetic, and useful world. GIS as a tool allow users to perform many operations like interactive queries, edit data in maps, analyze spatial information and application. Spatial analysis in GIS is a rapidly changing and useful tool for analyzing features and attri…

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Measurement Functions

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GIS makes spatial measurements easy to perform. Spatial measurements can be the distance between two points, the area of a polygon or the length of a line or boundary. Calculations can be of a simple nature, such as measuring areas on one map, or more complex, such as measuring overlapping areas on two or more maps.

Vector GIS Measurements

Vector GIS Measurements

Proximity Analysis

  • The First Law of Geography as stated by Tobler is “everything is related to everything else but near things are more related than distant things.” Thus, it is very common in …

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