Exercise 3a: Displaying Map Data

Homework #1

I have learnt how to open a map with different attributes by doing this exercise. Figure 1 shows the world population with cities, ocean and, longitude and latitude.

Figure 1: World population with cities, ocean and, longitude and latitude.

Figure 2 shows the air pollution by countries. The red color indicates the worst pollution and green color shows the least pollution.

Figure 2: Air pollution by countries.

Exercise 3b: Navigating a Map

In this example we have learnt how to use zoom pan, identify a country and various information on a particular country including ISO number and population. Figure 3 shows information on country India as the Identify tool was used to find out information on this particular country.

Figure 3: Identifying features by navigating a map in ArcMap.

Exercise 3c: Using Basic Tools

We have learnt about some basic tools of ArcMap and their function. Figure 4 shows the function of viewer window. This tool is used to view a map in a different window with a magnifying view.

Figure 4: The function of a viewer window

Exercise 3d: Looking at feature attributes

In this exercise, we have learnt how to find out the information by looking at the feature attributes of a map. Figure 5 shows the table attributes of cities. We can organize the data either descending or ascending order. The statistics window shows the frequency distribution of twelve most populated cities.

Figure 5: Feature attributes selection.