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here we will share simple, easy n useful photoshop tips with all of u.
You are all invited to share your knowledge about PS , with us in tips.
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Some tips about CS3
- Cloning Vat
Whenever you want to duplicate an image on a layer, (eg. you are putting star-bursts everywhere) Just hold the Alt/Option key and drag.. zap, a duplicate. To keep it aligned, also hold down the shift key as you drag.
- Color Modes and formats
For the web use RGB and save as a jpeg if its a photo. If you want tranparency, use gif or png. If you need animation save as a gif. For print use CMYK and save as either a tiff or an eps. For most print purposes 300dpi. To print to an inkjet only, RGB and 300 dpi.
- Straight Lines with brushes.
To draw a straight line with any of the brush tools just click, hold the shift key and click again anywhere. A straight line will be drawn between the 2 points! Also works with most tools including erasers and even the highlight tool in the Extract filter.
- Quick Black and White
If you press Ctl/Cmd+Shift+U all the color will be removed from the selection. If no selection is made, then the entire layer will be turned into grayscale instantly.
- Bitmap: use for some line art in low end situations, doesn't support color on a printing press but background shows through as transparent. Also used for wallpaper on PC computers.
- Grayscale: For black, white and shades of gray., When you use this mode all color information is lost. However you must convert to grayscale before you make it a duotone. This mode doesn't support alpha channels.
- Duotone: This is when you want to add some depth or color to a b&W image, or just get a trendy effect. A true duotone lets you choose 2 ink colors on your image and will print as a 2 color job on the press. There is also a Tri-tone -which has 3 colors and a quad-tone that has 4. You can produce some very sharp black and white (Grayscale) images with this and it is used in photography books all the time.
- RGB: Uses the computers colors (Red, Green, Blue) and is the best option for the web or electronic publishing. Also called additive colors.When defining color spaces, use sRGB for web and Adobe RGB for printing, in most cases avoid the other RGB colorspaces unless you are doing specialized tasks that take advantage of these. Pro Photo is another useful colorspace but many of the colors can't be reproduced on an inkjet printer.
- CMYK: Color printing presses print with 4 ink colors Cyan, Magenta, yellow and black. If you look at a magazine close up you will see tiny patterns of dots, these dots are arranged in different patterns and sizes to fool the eye into seeing colors that are not really there, e.g. brown etc. This method is used in most full color printing. I would only use this if you are going to a press. The disadvantages are, the image is a third larger than RGB, and you will lose some brightness as CMYK does not support as wide a tonal range as RGB. Also called subtractive colors.
- Lab: LAB stands for Luminosity, a and b channels. Luminosity is the grayscale information and the a and b channels contain the color. It's useful to seperate the colors from luminosity for some different types of image correction including sharpening, noise reduction and also to increase the saturation of colors without damaging the overall color balance.
































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