Creating a coordinate from one coordinate system to another.
$$
$$ Declarations
$$
ENTITY/CSYS1,CSYS
NUMBER/N1(3),N2(3)
DATA/N1,2,3,4
$$
$$ Coordinate System Definition
$$
CSYS1=CSYS/1 $$ VIEW #1
CSYS2=CSYS/2 $$ VIEW #2
$$
$$ Coordinate Mapping
$$
N2=MAP/N1,FROM,CSYS1,TO,CSYS2
The values of N1, which are 2, 3 and 4 in CSYS1, are mapped to N2 in CSYS2 and become 2, 4 and -3 respectively.