Add markers to X axis for easy rescale
X-Function not designed for Auto GetN Dialog.
axis_scroller igl:=[Graph1]Layer1 top:=1 xsize:=2 ysize:=2;
The axis_scroller function adds a pair of inverted triangles to the X-Axis that allows easy rescaling. You can decide to which X-Axis these two inverted triangle to add, the top one or the bottom one. Also, the size of these two triangles can be specified. To rescale the X-Axis, you can click on the left triangle and drag it to a new place to set a new starting scale value of the X axis, or use the right triangle to set a new ending scale value of the X axis.