Setting Image Attributes
- Click Image > Mode,
- Click on RGB if there is NO check mark before it .This will put the color in the
appropriate pallet for the web.
(RGB = red, green, blue; this pallet is used for web
page production. CMYK = cyan, magenta, yellow, plack; this pallet is only used for
- Click Image
> Image Size.
- A drop down menu will appear.
- Look on the bottom left of the menu and find two check boxes.
- Click to
place a check in both boxes.
- To keep the image from being distorted, click to place a
check in the constrain proportions box.
- Pixel Dimensions :
- Width box - type in the pixel width you want for your image.
- Height box - since you are
constraining the proportions of the image, the number will change automatically
- Leave print size alone because you will not be printing this image.
- Leave resolution alone for now.
- File >save.
- Click Image
> Adjust > Levels; the levels popup menu appears.
- Drag the menu so
that you can see the menu and most of your image.
- Channel box should read RGB.
- On the bottom right is the Preview
box, click on it to put a check.
- We will ignore the output slider, don't touch it.
- The image in the center of the menu should have a triangle on the left, one in the
middle and one on the right.
- The black graph represents the amount of dark (left) and light (right) in your image.
- Click on the left triangle and slide it to the
right; you see the effect on your image.
- Click on the right slider and move it to the left;
look at your image.
- Click on the center triangle and move it left or right to fine tune your image.
- When the contrast is the way you want it, click OK.
- Click Edit > Undo Levels to return the image to the original
- Repeat the above steps in Image >
Adjust > Levels to achieve the effect you want.
- Save the image File > Save .
original too dark
|Adjusting the contrast
Click on Filter > Sharpen > Unsharp Mask.
Put a check in the Preview box.
There are three slider bars that allow contrast adjustment.
Use the radius
slider first and move the triangle to 1.5 pixels.
Move the Amount and Threshold sliders until you like the effect.
File > save
|Resizing the Canvas
Click Image > Image Size and get the pixel size of the image (width
Click Image > Canvas Size
Look at Width, go to the black arrow, click and drag to select pixel.
Repeat for the height.
Enter numbers that are identical to the image size.
File > Save.
The images are the same pixel size, the
canvases are different.