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Lesson Plans

Re: Downloading Images off the internet

[ Thread ][ Subject ][ Author ][ Date ]
John Antoine Labadie (labadie)
Thu, 29 Oct 1998 10:49:58 EST5EDT

Well Vanessa ... there are several factors to consider here.

> I get very inspired when I connect to many of the sites that are posted
> on this list serve, I find many image that I would like to have in a
> hard copy. But I have a problem...

1. Getting a hard copy can be difficult if you want a quality image.
The net currently require 72 dpi (dots per inch) in graphics files.
A photo-realistic printer (Epson or HP for example) often requires
at least 100 dpi to print a sharp image. At 72 dpi you may not have
enough data to print a quality image.

2. Each image in the net has been saved as a particular file type
(Gif, tiff, jpeg for example) and each image was saved at a
particular size measured either in inches, pixels, or cm
(.09X1.42 inches for example) .... and each graphics files was saved
at a specific dpi. Small 72 dpi images cannot be enlarged to large
physical sizes without some blurring.

> When I print in my browser program (Netscape) the images always come up
> small. I want them to print bigger. It tried saving when I was at a page
> with a particular image i liked and all my program would do is save it
> as an html file. And then it wouldn't appear in openable files in
> Imager. Does the image have to be in a spacific format at the site?
> I am wondering if there is some other program or plug in I need.
> It would be great if someone could tell me what I have to do to
> download the image into a file that I could open in Microsoft Imager. so
> I can blow it up?

3. In order to get a decent image you have to pay attention to the
rules of file size and dpi. Choose your files carefully and convert
them through an imaging program (Adobe PhotoShop is my favourite) and
then resize and resave them before printing. If the information has
been built into the file it is possible to get a very nice print many
times larger than the original physical size ... if the dpi is high

Hope this helps.

Regards, John

Dr. John Antoine Labadie
Assistant Professor of Art
The University of North Carolina at Pembroke
Pembroke, NC 28372-1510

Wphone: 910.521.6618 (or sec. at 6216)
Fax: 910.521.6162

"Happy the man who early learns the wide chasm
that lies between his wishes and his powers."

Erasmus (1466?-1536)