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Department of Computing

Computer Graphics
Class: BSCS
Assignment 2

Submission Due: Nov 25th, 2018, 11:50 pm
Instructor: M. Muddassir Malik

Computer Graphics

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Assignment 2
Introduction
In this assignment you have to understand and implement the following concepts
•
•
•

Drawing models
Texture Mapping
Camera manipulation

Objectives
•

Learn to draw spheres or load spheres

•

Learn texture mapping on spheres

•

Create a full scale application

Tools/Software Requirement
•

WebGL enabled browser and an appropriate IDE.

Problem Statement:
Create a basic version of Google Earth that is interactive. It should contain the following features
1. A texture of earth mapped on a sphere [5]
2. User can rotate, zoom-in and zoom-out [5]
3. If a user clicks on a location. It shows the longitude, latitude and altitude of that location.
[5]
4. If user enables exploration mode and then clicks on a location, your system shows the
highest point, lowest point, average altitude in a specified area around the click position.
[10]
5. Add a “radar watch” that tells the user what is the best placement position for a radar in a
given area. User can specify a rectangle and your program shows the best location for
installing the radar. [20]
6. Add a globe narration. User inputs a list of locations with a description for each location.
Your program then goes from one location to another and zooms-in into each location
and display the description before moving on to the next position on a user event.
Imagine showing the locations where the world cups took place since 1900, with brief
description, or creating an educational video to teach continents to children. [30]
Computer Graphics

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7. Add an option to include an image with the description in part 6 above. [15]
8. Usability and giving a finished-product look and feel to the project. [10]
This assignment is easier than it looks. You will find out when you explore the libraries that
there is a lot of things that are already built in.
You are free to use different libraries for this assignment. I encourage you to not use basic
webGL but a library built on top of it like THREE.js, or Cesium. Choose a library that will
support the features that you plan to incorporate.
You can work in groups of three.
You also need to submit a document that specifies the features that were provided by the frame
work you chose, the sites that you used to gather data like textures, coordinates, altitudes and the
challenges that you faced.
The following links might help you:
http://www.webglearth.org
http://cesiumjs.org
http://asterweb.jpl.nasa.gov/GDEM.ASP
Deliverables
Submit only ONE zip file on the given LMS link. Make sure to bundle all the dependent libraries
in the zip file so your program is ready to run. Your file should be named as
asg2[FIRST_NAME-FIRST_NAME].zip
Always submit 1 day before the deadline to avoid any last minute delays.

Computer Graphics

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