GIS

Raster Data Model - Layers

Types of Raster Data Model – Advantages, Disadvantages

In the previous article, we have discussed about different types of vector data model and data structures. In this article we will discuss about various types of raster data model, its advantages and disadvantages. We will also learn about various data compression techniques used for raster data structure. What is Raster Data Model? Raster data …

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Spatial Database Management System – GIS Database Concepts

Database is one of the most popular and widely used concept in many applications. GIS also makes use of database for handling and efficiently managing the data through spatial database management system. GIS databases store spatial data for providing spatial information. In this article, we will learn about following important concepts related to database and …

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Different Types of Projection Systems Used in GIS Maps

In this article we will learn about, what is a map projection, how map projections are classified and what are different types of projection systems used in GIS for preparing maps etc. Following are the key questions one can address easily after reading this article. What is a Map projection Classification projection systems/ Projected Coordinate …

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Concept of Coordinate Reference System in GIS

What are 2 Types of Coordinate Reference Systems in GIS?

In this article we will learn various concepts related to coordinate reference system in GIS. Coordinate reference system is very important in preparing a map. The location of a place or object is represented using the coordinates in map. Coordinate system used for preparing the map plays a key role in identifying the coordinates for …

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