You must have noticed that throughout this book, in the initial section of the chapter, you learned something new and in the last section of the chapter will you solve few real-life problems by developing a prototype. Following this tradition, in this section, you will develop two prototypes. In this section, you will learn about the following topics:
The track object position
The case study of OpenRelief
Twitter-enabled surveillance systems
For an object, there are needs that you want to keep particular item at the same place where you have taken and in some cases you require precise information. In this section, you will develop an application that will find the position of a particular object (for example, a circular coin) and determine its offset in x, y and any rotation of the object. Consider a scenario where you want to keep two circular objects at a particular location.
As a starting point, here two circular objects are taken. Create a file named objectPosition...