Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
MCA SEMESTER-V- EXAMINATION WINTER 2018
Subject Code: 3650015 Date: 28/11/2018
Subject Name: Data Visualization
Time: 10.30 am to 1.00 pm Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks
Q.1

Defining the following term
1)Visualization
2)Filtering
3)Infographics
4)Scale
5)Axes


07

True or False. Justify your answer
1. D3 doesn't require the DOM element
2. D3 doesn't require any server for loading external data
3. Multiple sub groupbar can be possible in stacked bar chart
4. Exit() and remove() gives same work in d3.
5. Callback function of d3 must take one parameter
6. are used whenever our data is in order
7. There is no circle() in canvas for drawing circle
07
Q.2

Discuss what are the real applications of data visualization.
07

Discuss rise of html5 and What are the Key feature of html5 for data visualization
07
OR

What are the Key Factors of data visualization
07
Q.3

How to read data from JSON file. Explain with example
07

Differentiate
Canvas and svg
Linear scale and ordinal scale
Map graph and infographics
.csv file and .xml file
02
02
02
01
OR
Q.3

How to asynchronously read data from xml file with example
07

How to work with GOOGLE API. Give an example of pie chart in google api
07
Q.4

Define Data Binding. And what are the used of append(), selectAll() (using class,id)
07

What is Transaction? how to apply Transaction with example.
07
OR
Q.4

How to used selection in d3. And also describe chaining method of d3
07

How to make interactive button and updating chart
07
Q.5

Explain Data-joins with example
07

Write a code to create following list element using data object in d3.
MCA
BCA
Degree
Diploma
Pharmacy
Others
07
OR
Q.5

How to add Play button to the page. Explain with example.
07

Compare the code with data object and without data object in d3. And Write a code to draw blue circle in svg with 50 radius using d3 with data object.
07