The GET_SCREEN_SIZE function returns size, measured in device units, of the screen.
Result = GET_SCREEN_SIZE( [Display_name] [, RESOLUTION=variable] )
X Windows Keywords: [, DISPLAY_NAME=string]
Returns a two-element vector of the form [width, height] that represents the dimensions, measured in device units, of the screen
A string indicating the name of the X Windows display that should be used to determine the screen size.
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.
Set this keyword equal to a named variable that will contain a two-element vector, [xres, yres], specifying the screen resolution in cm/pixel.
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
Introduced: 5.0