map
Map x from [xmin, xmax] to [ymin, ymax].
Return
the new value for x
Parameters
x
- x
xmin
- the lower bound of the actual x scale (included)
xmax
- the upper bound of the actual x scale (included)
ymin
- the lower bound of the new x scale (included)
ymax
- the upper bound of the new x scale (included)