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Learn how to invert images and how to display images in Ericson's PictureExplorer object.

Revised: Sat Apr 02 15:08:04 CDT 2016

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Table of contents

Preface

This module is one of a series of modules designed to teach you about Object-Oriented Programming (OOP) using Java.

The program described in this module requires the use of the Guzdial-Ericson multimedia class library. You will find download, installation, and usageinstructions for the library at Java OOP: The Guzdial-Ericson Multimedia Class Library .

Viewing tip

I recommend that you open another copy of this document in a separate browser window and use the following links to easily find and view the Figures and Listings while you are reading about them.

Figures

  • Figure 1 . The raw image.
  • Figure 2 . The modified image.
  • Figure 3 . Output text on the command line screen.
  • Figure 4 . javadocs description of the explore method.
  • Figure 5 . javadocs description of the getPixels method.
  • Figure 6 . javadocs description of the Pixel class.

Listings

Preview

The program that I will explain in this module is designed to be used as a test of the student's understanding of programming using Java andEricson's media library.

The student is provided an image file named Prob02.jpg along with a pair of PictureExplorer windows containing the raw image and a modified version of the image. (See Figure 1 and Figure 2 .)

Deduce the algorithm

The first part of the test is to determine if the student can examine the raw image shown in the PictureExplorer window in Figure 1 and deduce the algorithm required to produce the output shown in the PictureExplorer window in Figure 2 .

Implement the algorithm

The second part of the test is to determine if the student can implement the algorithm once it is established and also satisfy some requirements for textoutput on the command line screen. Among other things, this requires that the student be able to:

  • Create a Picture object from an image file.
  • Write an accessor method to return a reference to the Picture object.
  • Modify the pixels in the picture according to the algorithm.
  • Display the raw picture and the modified picture in PictureExplorer objects by calling the explore method on the Picture object before and after it is modified.

Program output

The raw image is displayed in the PictureExplorer window shown in Figure 1 .

Figure 1. The raw image .
Image of a penguin in the snow in front of some houses.

The modified image is shown in the PictureExplorer window in Figure 2 .

Figure 2. The modified image .
Image of a penguin with the colors modified according to the algorithm developed in this module.

The required output on the command-line screen is shown by the last two lines of text in Figure 3 . The other text in Figure 3 was produced by the system during the compilation and execution process.

Questions & Answers

what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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