xy_2_rt Subroutine
public subroutine xy_2_rt(x, y, xc, yc, r, t)
Convert the Cartesian (x-y) grid to the polar (r-t) grid (from STPK)
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| double precision, | intent(in) | :: | x |
X-coordinate [m] |
||
| double precision, | intent(in) | :: | y |
Y-coordinate [m] |
||
| double precision, | intent(in) | :: | xc |
X-coordinate of the center on the polar grid |
||
| double precision, | intent(in) | :: | yc |
Y-coordinate of the center on the polar grid |
||
| double precision, | intent(out) | :: | r |
Radius [m] |
||
| double precision, | intent(out) | :: | t |
Angle [rad] |