How to know land boundaries?

I'm trying to write a script which uses llRezAtRoot to rez and object ( building) on my land. I want to make sure that where I rez it, it will be entirely on my land. Will llOverMyLand give me what I want if only part of the object is off my land?

The llOverMyLand call will most likey only give you whither the center is over your land.

This is not debugged in any way...

function isObjectOverOtherProperty() {
	vector size =llGetScale();
	float width = size.x;
	float length = size.y;
	float height = size.z;
	
	vector pos = llGetPos();
	key owner = llGetOwner();
	
	vector toCheck;

	// Left, Back, Top corner
	toCheck = pos + <width / 2, length / 2, height / 2>;
	if (owner != llGetLandOwnerAt(toCheck)) return true;
	
	// Right, Front, Bottom corner
	toCheck = pos + <-1 * width / 2,-1 *  height / 2,-1 *  length / 2>;
	if (owner != llGetLandOwnerAt(toCheck)) return true;
	
	// Repeat for other 6 corners
	
	return false;
}

I think that should work at least... The math may be wrong though, but that should give you an idea.