void usertoinch
(x_in, y_in, x_inch, y_inch) |
SVC.C |
Level
3 |

float
x_in, y_in |
The x-y pair in user units. |

float
*x_inch, *y_inch |
The returned pair in inches from the lower left corner of the plot. |

usertoinch() takes an x-y pair in your user units and
returns the inch values in 8192 space. The function works for linear, log,
and polar plots. For the latter, x is the input radial coordinate,
and y is the input angular coordinate. The returned coordinates
are in x,y space. |