An Overview of 3S Technology (GIS/GPS/RS) with an Example of District Transport Master Plan (DTMP) By Binod Dhakal 12/20/2014Binod Dhakal1

GIS in Generals GIS is a powerful set of tools for collecting, storing, retrieving, transforming and displaying spatial data from real world for a particular set of purpose. GIS is a computer based system that is used to manipulate the spatial and non spatial data in digital form GIS is an organized collections of computer hardware, software, geographic data, and personnel designated to efficiently capture, store, update, manipulate, analyze and display all forms of geographically referenced information 12/20/2014Binod Dhakal2

Basic Concept of a GIS 12/20/2014Binod Dhakal3

Function of GIS Capturing storing updating manipulate analyze Displaying i.e. presentation all forms of geographically referenced information 12/20/2014Binod Dhakal4

Methods of capturing data Survey method Digitizing Using digitizing tablets On-screen digitizing Scanning Using GPS Remote Sensing 12/20/2014Binod Dhakal5

photogrammetry other sensors classical field survey Data sources 12/20/2014Binod Dhakal6

Paper Map 12/20/2014Binod Dhakal7

Digitizer 12/20/2014Binod Dhakal8

Scanner Flat bed Scanner Drum Scanner 12/20/2014 Binod Dhakal 9

GPS is a system of satellites ground stations and receivers that allows us to find exact location of a place on Earth. One of the significant and unique features of the GPS is that the positioning signal is available to the users in any position at any time worldwide. Recent GPS receivers with more add-on and easy to use features make spatial data capturing process effective. GPS is an effective tool for GIS data capture and provides an alternate for field data collection. Global Positioning System (GPS) 12/20/2014 Binod Dhakal 10

GPS Global Positioning System Handheld GIS data collection system 12/20/2014 Binod Dhakal 11

How GPS works? 12/20/2014Binod Dhakal12

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Remote sensing is the science of acquiring information (spectral, spatial, temporal) about material objects, area, or phenomena through the analysis of data acquired by a device from measurements made at a distance, without coming into physical contact with the objects, area, or phenomena under investigation. Remote Sensing (RS) 12/20/2014 Binod Dhakal 14

Satellite Image 12/20/2014Binod Dhakal15

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How it works? 12/20/2014Binod Dhakal19

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Data Captures from Satellite Image 12/20/2014Binod Dhakal23

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Survey 12/20/2014Binod Dhakal25

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With an Example of District Transport Master Plan (DTMP) 12/20/2014 Binod Dhakal 27

Objective To Prepare the District Transport Master Plan (DTMP) based on the new guidelines /20/2014Binod Dhakal28

STEPS Step 1: District Orientation/Workshop I Step 2: GPS survey for District Road Inventory Step 3: District Road Inventory Mapping Step 4: Identification of the District Road Core Network (DRCN) Step 5: Collection of primary and secondary data for DRCN Step 6: Finalization of DRCN/Workshop II Step 7 : Preparation of the DTMP/DTPP Step 8: DTMP Approval/ Workshop III 12/20/2014Binod Dhakal29

GIS maps (Chitwan District) 12/20/2014Binod Dhakal30

Map of Nepal showing the Location of DTMP District 12/20/2014Binod Dhakal31

District Road Inventory Map District Road Inventory Road ClassTotal lengthBlack TopGravelEarthen Strategic roads Urban roads1, Rural roads1, , Total2, , /20/2014Binod Dhakal32

District Road Core Network DRCN District Road Core Network Code Total length Surface Types Black TopGravelEarthern New Construction 35DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR Total /20/2014Binod Dhakal33

District Transport Perspective Plan DTPP District Transport Perpespective Plan Code Total length Surface Types Black TopGravelEarthern 35DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR DR Total /20/2014Binod Dhakal34

District Transport Master Plan (DTMP) Accessibility Direct access to SRNNo access to roadFair-weather core roadsAll-weather core roads VDCsPopulation%VDCsPopulation%VDCsPopulation%VDCsPopulation% Start of DTMP23 260,09469%1 4,9781%4 26,8187%31 347,73392% End of DTMP23 260,09469%0 -0%1 4,9781%35 374,55199% Difference - -0%- 1- 4,978-1% ,840-6% 4 26,8187% District Transport Master Plan Code Total length Surface Types Black Top GravelEarthern 35DR DR DR DR DR DR DR DR DR DR DR Total Accessibility Coverage Total lengthFair-weather All-weather gravel All-weather blacktop km % % % Start of DTMP % % % End of DTMP % % % Difference % % -0% 12/20/2014Binod Dhakal35

District Road Core Network (DRCN)

Thank You 12/20/2014Binod Dhakal37