Table 1. PathXL i-Server Instructions.

Instructions	Explanations
x	the x coordinate of the upper left corner of the ROI
y	the x coordinate of the upper left corner of the ROI
width	width of ROI (in pixels)
height	height of ROI (in pixels)
zoom	the magnification of ROI to be loaded, the value is in the range of [1,∞] where 1 indicates the highest magnification.