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Factos In Picking The Right Retirement Community
The Right Retirement Community
Are you thinking of moving into a retirement community and
spend your days in comfort? Planning ahead for your retirement
is a very prudent endeavor on your part. And choosing the
perfect retirement community...
How To Create A Website In Less Than A Week
Here's a really simple way... any novice can create a fully functional website in less than a week. Websites are the wave of the future. Although many companies are using an online presence to drive business to their brick and mortar stores,...
How to increase the Saleable Value of your Home
When selling your home, you’ll want to fetch the best price possible for your home yet it so happens in many cases, that buyers give offers that just don’t meet your expectations. Of course, you will have to negotiate but you still may not end up...
Meta metrics: there is no need to measure the minutae when inspecting schools or Local Authorities
Here is a strange phenomenon - well, strange at first glance. I
have noticed that whenever I am behind someone who clearly
cannot handle their car very well, or get "cut up" by someone
whose driving technique is about as subtle as a brick, when...
Multiple Intelligences: study for success
The study of Multiple Intelligences can be summarized as
follows:
1. Howard Gardner created the Theory of Multiple Intelligences.
2. Multiple Intelligences determine the manner in which people
process information and make meaning of...
Shih Tzu - For The Love Of Dogs
I have wondered just who are the ancestors of the shih tzu. Like all other dog breeds, shih tzu ancestors most likely come from five choices: Grey Wolf, Golden Jackal, Coyote, African Wild Dog. It is hard to imagine our little shih tzu baby dolls...
Ten Steps to Avoid Mold Problems and Lawsuits in the Rental of Residential and Commercial Real Estate
Real estate residential and commercial landlords, tenants, and rental agents in the USA, Canada, and worldwide should take ten steps to avoid mold problems and lawsuits in the rental of real estate properties, according to Phillip Fry, Certified...
The Fun and Ease of Online Shopping vs. The Brick and Mortar Option
When my sister and discussed our shopping plans this year we found to our surprise that our attitudes were much different. She was the hip New Yorker, living in a trendy section of Brooklyn and commuting in to her publishing job in Manhattan. I’m a...
The Great American Dream
Are you ready to starting building your dream home. House plan designs are abundant and easy to customize. Just getting started can sometimes be quite confusing. There's nothing more exciting than building your dream home. Take a look at your...
Why is Media Bias an Issue?
Most of us have grown up in a society where we felt fortunate to live in a democracy where free speech was one of our basic rights. We also believed that "news" was delivered to us in a factual manner - with both sides of any story equally...
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Graphics for the web: JPG and PNG Files
JPEG (Joint Photographic Experts Group) is a very efficient, true-color, compressed image format. It uses lossy compression, which means that bits are removed from the image in order to save space. JPEG files support millions of colors (compared with the 256 for GIF).
The JPG format is best for images with gradients, blends, and inconsistent color variations such as photographs or paintings. Images which have well separated tones should be saved in the GIF or PNG format. For example, if you include text in your image, you will notice a definite fuzzing of the characters when you view it.
You have several options when optimizing JPG images. JPG is a lossy format (which means it throws away bits), so with each generation of the image you save you will loose information, and that will degrade the quality of the image.
Any good image editor (Photoshop, Paint Shop Pro and others) will allow you to specify a compression percentage when you save the file. Before you purchase a graphics editor make sure it has a preview pane on the save so you can see what the compressed image looks like when you save it. This is a lot easier than saving a copy, examining it, resaving it and so on.
JPEG supports a concept similar to interlacing in GIF which is called progressive JPEG. This simply means that a rough image is displayed initially, followed by more and more detail as additional bits of the image are received. This is good for displaying large images. Unfortunately, progressive JPEG is a relatively new standard and is not supported by all browsers.
PNG
There is a new format which is threatening the supremacy of GIF and JPEG. That format is called PNG (Portable Network Graphics).
PNG, like GIF, supports lossless compression. This means that unlike JPEG, bits of the
image are not lost or thrown away when the image is decompressed. This compression scheme is public domain and improved over the algorithm used by GIF.
Images in the PNG format may be made partially transparent. This is necessary for displaying good looking graphics on a web page.
Finally, PNG supports color depth of 24 bits or greater. This makes it a much better format than GIF for images which must have lots of colors.
An important thing to remember about the PNG format is that the color pallet is contained within the image. Thus, it's important that the pallet be made as small as possible, containing only the colors that are necessary to display the image. Most graphics programs should handle this detail for you when the file is saved.
Note that JPG is still superior for large images because it's compression scheme is better suited for that purpose.
In addition, the PNG design does not include support for animation. Thus, GIFs must still be used for that purpose.
Most of the modern graphics editors support output in the PNG format. These editors include Paint Shop Pro, which is my personal favorite.
Personally, I think it's a little early to go and replace all of your graphics with PNG graphics. Support within the different browsers is still very new, and you would be depriving many of your visitors of your graphics by including PNG images. However, in a few years I expect to see this format more and more.
About the Author
Richard Lowe Jr. is the webmaster of Internet Tips And Secrets. This website includes over 1,000 free articles to improve your internet profits, enjoyment and knowledge. Web Site Address: http://www.internet-tips.net Weekly newsletter: http://www.internet-tips.net/joinlist.htm Daily Tips: mailto:internet-tips@GetResponse.com
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