Adobe photoshop elements User Manual

Page of 296
CHAPTER 2
50
Getting Images into Photoshop Elements
To change the pixel dimensions of an image:
1
Choose Image > Resize > Image Size.
2
Make sure that Resample Image is selected, and 
3
To maintain the current proportions of pixel 
width to pixel height, select Constrain Propor-
tions. This option automatically updates the width 
as you change the height, and vice versa.
4
Under Pixel Dimensions, enter values for Width 
and Height. To enter values as percentages of the 
current dimensions, choose Percent as the unit of 
measurement.
The new file size for the image appears at the top 
of the Image Size dialog box, with the old file size 
in parentheses.
5
Click OK to change the pixel dimensions and 
resample the image.
For best results in producing a smaller image, 
downsample and apply the Unsharp Mask 
filter. To produce a larger image, rescan the image at 
a higher resolution.
Changing the print dimensions and 
resolution of an image 
When creating an image for print media, it’s useful 
to specify image size in terms of the printed 
dimensions and the image resolution. These two 
measurements, referred to as the document size
determine the total pixel count and therefore 
the file size of the image; document size also 
determines the base size at which an image is 
placed into another application. You can further 
manipulate the scale of the printed image in the 
Print Options dialog box; however, changes you 
make in the Print Options dialog box affect only 
the printed image, not the document size of the 
image file. (See “Positioning and scaling images” 
on page 262.)
If you turn on resampling for the image, you can 
change print dimensions and resolution indepen-
dently (and change the total number of pixels in 
the image). If you turn resampling off, you can 
change either the dimensions or the resolution—
Photoshop Elements adjusts the other value 
automatically to preserve the total pixel count. For 
the highest print quality, it’s generally best to 
change the dimensions and resolution first 
without resampling. Then resample only as 
necessary.
To change the print dimensions and resolution of 
an image:
1
Choose Image > Resize > Image Size.
2
Change the print dimensions, image resolution, 
or both:
To change only the print dimensions or only the 
resolution and adjust the total number of pixels in 
the image proportionately, make sure that 
Resample Image is selected. Then choose an inter-
polation method. (See “About interpolation 
methods” on page 49.)
To change the print dimensions and resolution 
without changing the total number of pixels in the 
image, deselect Resample Image.
3
To maintain the current proportions of image 
width to image height, select Constrain Propor-
tions. This option automatically updates the width 
as you change the height, and vice versa.