Set default figure size for fsbrain visualization functions.
fsbrain.set.default.figsize(width, height, xstart = 50L, ystart = 50L)
integer, default figure width in pixels
integer, default figure height in pixels
integer, default horizontal position of plot window on screen, left border is 0. The max value (right border) depends on your screen resolution.
integer, default vertical position of plot window on screen, upper border is 0. The max value (lower border) depends on your screen resolution.