getPositionFromDblclick.RdGet the position of double clicked point on the heatmap image
getPositionFromDblclick(dblclick, ratio = 1)
| dblclick | The input dblclick object. Assume |
|---|---|
| ratio | The relative resolution. The value should the ratio between |
A unit object of length two which are the coordinates of the double clicked points.
# There is no example NULL#> NULL