Answer all questions (90 Minutes-50 Marks For each question)Final Examination (Theory)

1. Distributing geospatial information on the internet is an enforcing factor for information providers. Internet allows all level of society to access geospatial information, and provides media for processing geographic information with no location restrictions.

a. What is the difference between Internet GIS and Traditional Desktop GIS? b. What are the additional advantages that can be gained in terms of data

management, if web based geo database solution is adopted?

c. Explain two main approaches in handling geospatial data transmission in web GIS.

Explain the answer with examples.

d. What are the advantages and disadvantages of think client architecture

2. In performing the GIS analysis task web GIS is similar to the client server typical three-tier

architecture

a. Explain briefly the 3 tire architecture of internet enabled GIS and function of the

each component

b. What are the differences between client full approach and server push approach?

c. How we can use Application Programming Interface (API) for the Web GIS

application development explain your answer with examples.

d. Give a definition for the open source software and explain the concepts

3. Briefly Explain 5 of the following terms with their usagea. Geo Browserb. Web Browserc. HTML5 and Web Mappingd. File Servere. Database Serverf. Web Pageg. KML for Thematic Mapping

Answer all questions (90 Minutes-10Mark)Final Examination (Practical)

1. Answer all questions

a. Use given java script in the box to develop a line that is drawn through a

main three towns define in the myTrip variable.

b. Produce online coverage maps to indicate to users of the station's intended

service area based on given information

Location Lat lon radius fillColor

kandy 7.21531 80.6723 10km #FF0000

jaffna 9.75529 80.1244 20km #FF66FF

colombo 6.88712 79.8866 30km #00FF99

galle 5.96462 80.6751 5km #3333FF

trincomalee 8.43771 81.2351 45km #660066

Sample sou

varmyTrip = [borella,narahenpita,IHRA];varflightPath = new google.maps.Polyline({  path:myTrip,  strokeColor:"#0000FF",  strokeOpacity:0.8,  strokeWeight:2});

varmyCity = new google.maps.Circle({  center:amsterdam,  radius:20000,  strokeColor:"#0000FF",  strokeOpacity:0.8,  strokeWeight:2,  fillColor:"#0000FF",  fillOpacity:0.4});