public boolean isEqual(Datum datum) {
// false if tranforms are not equal
if (getTransformType() != datum.getTransformType()) {
return false;
}
// false if ellipsoids are not (approximately) equal
if (ellipsoid.getEquatorRadius() != ellipsoid.getEquatorRadius()) { // <- maybe have a bug here
if (Math.abs(ellipsoid.getEccentricitySquared()
- datum.ellipsoid.getEccentricitySquared()) > ELLIPSOID_E2_TOLERANCE)
return false;
}
// false if transform parameters are not identical
if (getTransformType() == TYPE_3PARAM || getTransformType() == TYPE_7PARAM) {
for (int i = 0; i < transform.length; i++) {
if (transform[i] != datum.transform[i])
return false;
}
return true;
} else if (getTransformType() == TYPE_GRIDSHIFT) {
return grids.equals(datum.grids);
}
return true; // datums are equal
}
ellipsoid.getEquatorRadius() compare with itself, the condition is always false.
the condition should be
ellipsoid.getEquatorRadius()compare with itself, the condition is always false. the condition should be