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Digital Photo Basics
  1. Pictures from Camera into Computer
  2. Getting Acquainted with Irfanview
  3. Basic Terms: View Size vs Print Size, etc.
  4. Virtually Free Photography - Naming Pics, Albums
  5. When Digital Camera Photos Can't Be Found
  6. Digital Photography for Not So Digital Seniors
   Crop, Resize, Align, Colors
  1. How to Crop and/or Resize a Photo
  2. Problem Enlarging Digital Pictures
  3. Understanding CYMK & RGB Colors
  4. How to Straighten (Rotate, Align) a Photo
  5. Darkrooms Replaced by Computers
  6. Be Your Own Photo Processing Studio
   Text in Pictures
  1. Adding Text to a Photo
  2. Text & Picture In a Word Text Box
   Displaying Your Pictures
  1. Printing Multiple Photos on a Single Page
  2. Displaying Your Photos as a Slideshow
  3. Printing Photo Thumbnail Sheets
  4. When Multiple Photos Don't All Fit on a Print-Out
  5. Print Yourself or Have Pics Processed Elsewhere?
   Online Images - Emailing Pics
  1. Reducing a Digital Photo's File Size
  2. Red X Instead of a Picture
  3. Reducing the File Size of a Video
  4. Print Yourself or Have Pics Processed Elsewhere?
  5. Copying Images from a Web Site or an Email
   Pic Formats - File Extensions
  1. Digital Picture Formats (JPG, BMP, GIF, TIF, etc)
  2. Difference Between "Drawing" & "Painting" Programs
  3. Digital Cameras & Megapixelss
  4. Choosing File Associations for Picture Files
  5. Understanding "Animated GIFs"
  6. Comparison of JPG and GIF Photographs


Email Icon Help with Email
  1. Moving Outlook Express DBX Files to a New PC
  2. Moving Email Address Book Names from one PC to Another
  3. Using BCCs (Blind Carbon Copies) to Protect Privacy
  4. Pictures, Attachments, Senders Blocked in Outlook Express
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Don Edrington Since 1983: Helping Seniors Who Are New to PCs
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Digital Photography

Nowadays we take pictures with a digital camera or digitize snapshots with a scanner and view the results on our computer screens. We can then attach the images to outgoing emails or post them on the Internet for all the world to see.

Regarding editing, anyone who buys a scanner or digital camera normally gets some photo-editing software with the hardware. However, these programs tend to vary considerably in their terminology and procedures, which makes it difficult to offer specificd instructions on their use in this column. Beyond that, new users are often bewildered by all the options these programs offer and often settle for viewing and/or printing a photo just as it comes from the scanner or camera.

In other columns I've given tips on editing photos with Windows Paint, only because it's a program that comes with all versions of Windows. However, its bitmap-editing features are severely limited. For this reason, I'd like to offer tips on using a much more robust program — Irfanview — which can be freely downloaded from www.irfanview.com.

Digital Picture Formats

While downloading this software you'll be asked which graphic formats you'd like to have associated with the program. I definitely recommend checking off JPG, BMP, GIF, TIF, and EPS. This means that a graphics with any of these extensions will immediately appear in Irfanview when double-clicked.

Since Irfanview does not come with a manual, I don't pretend to be an expert on using all its advanced features. However, I can explain how to use some of the features most often needed by the average computer user. Others more familiar with the program are invited to send me tips, which I'll gladly share in these columns.

Picture "Size"

Let's start with picture "size." It's important to understand that the "screen view" size and "actual" size are not necessarily the same. The former can be adjusted to make things easier to see and edit on your monitor, while the latter is the actual finished size that your printer will output on paper.

Double-clicking a picture's icon will cause it to appear in Irfanview at a 100% screen view, which, in theory, will be the same size of an actual printout. However, since monitors come in many sizes and resolutions, the theory doesn't always hold true.

If you want to increase or decrease the screen view, clicking on the Plus (+) or Minus (-) icons in the Toolbar will make the image change in 10% increments. If you want to increase or decrease the print size, go to Image>Resize/Resample and type in the appropriate numbers, keeping in mind that a size of 600 pixels high by 800 pixels in width will take up most of an 8-1/2" x 11" sheet of paper. By having "Preserve Aspect Ratio" checked, you need only change the width or height to have the other dimension adjust itself accordingly.

Which DPI to Use

The default DPI (dots per inch) will be 72, which is adequate for being viewed on one's screen — but changing this to 300 will produce a much sharper print image.

If you do change the print size, be sure to go to File>Save As and give the resized picture a different name. This will preserve the original, in case you need to use it again with its original properties.

Selecting a Portion of a Picture

If you want to crop a portion of a picture, Irfanview comes up in the "Select" mode by default. This means you can draw a rectangle around the part of an image you want keep by moving your mouse with the left button held down. Next click on Edit>Copy (or do Ctrl+C), followed by doing Edit>Paste (or Ctrl+V). This will cause the section you just cropped to appear in a new window by itself.

Color Enhancement

If you want to adjust the colors of your picture go to Image>Enhance Colors. This will give you two small copies of the picture — one showing the colors as they currently appear, while the other shows the results of using the sliding adjustment levers that change the Red, Green and Blue values along with the Brightness, Gamma and Contrast factors. You can always undo things by clicking on Set Default Values, in case the options seem to be getting out of control. This free program is definitely worth having and experimenting with.


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