Calculates the absolute location and size of the current grid
viewport in inches and pixels.
Usage
vpLocation()
Arguments
Value
location, size, ilocation and
isize, the location and size of the viewport in pixels and
iches respectively.
Details
This function may be used to get the absolute location of the current
viewport on the current graphics device. It uses function
devRes to get the device resolution for
calculating pixel values. Locations are given by the two extreme
coordinates in x and y direction.