Graphics on the Web

Graphics on the Web

Graphics on the Web

Quite a few Web sites specialize in graphics and graphics-oriented resources. The best place to hunt for graphics on the Web (IMHO) is at the Yahoo Image Surfer site (http://isurf.yahoo.com/). This site is a visual directory of tens of thousands of Web graphics. As you can see in Fig. 9.5, you can search for

various types of graphics. Then, when the “hits” are returned, you can search for more pictures that look like the ones listed! It’s pretty neat and very effective.

So if you need a graphics image, it would seem that you have two options: you can purchase a CD-ROM of clip art graphics (expensive and limited in selection), or you can get on CompuServe (or the Net) and browse through
Graphics on the Web

Decompressing your files

Many of the files you find on CompuServe are stored in a special compressed format. In some cases, multiple files are compressed into a single comĀ­pressed file. This makes the files smaller and shortens the time needed for downloading.

To use these files, however, you have to decompress them. Several different methods can be used for decompressing; the method of decompression you use depends on the method of compression that was used. The following sections outline the two most popular decompression methods.

Executable decompression

The most common method of compression creates an executable file, which has the extension .EXE. To decompress one of these files, all you have to do is “run” the file as a normal program.

For example, let’s say you have a compressed file named FILENAME.EXE. To decompress the file, type the following at the DOS prompt (or click the Windows 95 Start button and select Run):

FILENAME

Either way, the file automatically decompresses itself.

PKUNZIPping your files

The second most popular means of compressing files uses a method called PKZIP. When files are compressed using PKZIP, they have the file extension .ZIP, as in FILENAME.ZIP.

To decompress a ZIP file, you need the PKUNZIP utility. You can download a copy of PKUNZIP from the Macmillan Computer Publishing Library (GO MACMILLAN). Under the file name PK204G.EXE, this file is compressed as an executable file. So all you have to do is type PK204G at the DOS prompt to decompress this main file. Then you’re ready to tackle any file with the .ZIP extension.

  You can put a Windows front end on PKUNZIP by using the WinZIP program. You’ll still need PKUNZIP, but WinZIP will let you do all your ZIPping and UNZIPping without having to mess with DOS. You can find the WINZIP.EXE file in the MCP Library (GO MACMILLAN).

To decompress a ZIP file, type the following at the DOS prompt (or click the Windows 95 Start button and select Run):

PKUNZIP FILENAME.ZIP

PKUNZIP does the rest, automatically unzipping all of the files in the comĀ­pressed file.

Although other compression formats (such as ARC) are in use, they’re not used very often. If you know how to work with executable files and ZIP files, you’ll be okay.