Function Helmert7.scaleFactor
Multiplication factor M = 1 + dS.
T scaleFactor() const pure nothrow @nogc @property @safe;
Example
Example reading the Helmert scale factor.
import geodesy;
const transform = Helmert7!(double, HelmertConvention .positionVector)
.fromArcSecondsAndPpm(1.0, 2.0, 3.0, 0.1, 0.2, 0.3, 0.4);
assert(transform .scaleFactor > 1.0);