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SIMER

Presented By:-

Shubhangi

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What is GIS ?

A geographic information

system, also known as GIS.

Collects, stores, analyzes,

organizes, modifies and

presents data that are related to

location.

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Structure

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Contd. . . . .

Geographic information

systems are used in GPS &

utility management, landsurveying, photogrammetric,

geography, cartography(map

maker), urban planning,localized search engines and

emergency management.

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Photogrammetry

Land surveying

Cartography

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Urban Planning

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Component

GIS hardware include different devices including the

central piece of system equipment, the workstations.This is the main commanding hardware of the entire

system.

All connections to equipment that collect data.

Devices that interpret or convert data and

The system software are managed in the centralworkstation.

Web servers are also integral pieces of equipment in

GIS systems.

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ComponentContd

Software makes up a third of the GIS system. It is

mainly responsible in handling, creating, modifyingand analyzing data.

Other features that do specific tasks for specific

applications can be added like software add-ons.

The last third of the GIS system's component trinity

is the data itself.

This is the heart and soul of geographic

information systems. It includes geographic and

vector data, the lifeblood of the entire GIS

ecosystem.

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StructureofComponent OfGIS

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Where we canuse GIS

GIS systems can be utilized in different

fields of study and services including:-

scientific investigations.

asset management.

urban planning, environmental impact

assessment, criminology

cartography, marketing. prospectively mapping and logistics.

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Contd..

GIS systems is basically a

universal tool for all

applications that requiregeographic concepts and data

whether it's a scientific study

or a practical application.

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How toManage GIS

The most common way for GIS systems to handle

data is to have it Computerized form(digitized).

Hard copies of data will be digitized, allowing the

system to modify, organize, analyze and copy data to

be easily accessed by multiple services at any time.

Digitized data makes it easy for users to overlay

several map views such as in Google Maps into one

multilayer map.

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Contd.

GIS systems present location data that includes

representation of roads, elevation, land mass

and bodies of water using different graphic

modes including 3D color images.

It uses simple geometric shapes like straight

lines and curves to represent direction,

boundaries and certain landmarks.

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