Keywords
 
 
DISPLAY_NAME (X Only)
 
Set this keyword equal to a string indicating the name of the X WIndows display that should be used to determine the screen size. Setting this keyword is equivalent to setting the optional 
Display_name
 argument.
 
 
 
RESOLUTION
 
Set this keyword equal to a named variable that will contain a two-element vector, 
[
xres
, 
yres
], specifying the screen resolution in cm/pixel.
 
 
 
Example
 
You can find the dimensions and screen resolution of your screen by entering the following:
 
dimensions = GET_SCREEN_SIZE(RESOLUTION=resolution)
 
PRINT, dimensions, resolution
 
For the screen on which this was tested, IDL prints:
 
1280.00      1024.00
 
0.0282031    0.0281250