/**
* set coords to origin O and vector (I-O). If I (or O) is infinite, I is used as direction
* vector.
*
* @param O origin point
* @param I unit point
*/
public void setCoord(GeoPointND O, GeoPointND I) {
startPoint = O;
endPoint = I;
if (I.isInfinite())
if (O.isInfinite()) setUndefined(); // TODO infinite line
else setCoord(O.getCoordsInD(3), I.getCoordsInD(3));
else if (O.isInfinite()) setCoord(I.getCoordsInD(3), O.getCoordsInD(3));
else setCoord(O.getCoordsInD(3), I.getCoordsInD(3).sub(O.getCoordsInD(3)));
}
