Scatter &Scatter::SetRange(double rx, double ry, double ry2)
{
	xRange=rx;
	yRange=ry;
	yRange2=ry2;
	xMajorUnit=xRange/10;
	int count=0;
	while (xMinUnit > xMajorUnit && count < 1000){
		xMinUnit -= xMajorUnit;	
		++count;
	}
	yMajorUnit=yRange/10;   
	count = 0;
	while (yMinUnit > yMajorUnit && count < 1000){
		yMinUnit -= yMajorUnit;
		++count;
	}
	yMajorUnit2=yRange2/10;   
	count = 0;
	while (yMinUnit2 > yMajorUnit2 && count < 1000) {
		yMinUnit2 -= yMajorUnit2;
		++count;
	}
	return *this;
}
Scatter &Scatter::SetMajorUnits(double ux, double uy) 
{
	//if (ux > xRange)	throw (Exc(t_("Invalid X major units!")));
	//if (uy > yRange)	throw (Exc(t_("Invalid Y major units!")));
	xMajorUnit=ux;
	yMajorUnit=uy;
	yMajorUnit2=yRange2*yMajorUnit/yRange;
	int count=0;
	while (xMinUnit > xMajorUnit && count < 1000){
		xMinUnit -= xMajorUnit;	
		++count;
	}
	count = 0;
	while (yMinUnit > yMajorUnit && count < 1000){
		yMinUnit -= yMajorUnit;
		++count;
	}
	count = 0;
	while (yMinUnit2 > yMajorUnit2 && count < 1000){
		yMinUnit2 -= yMajorUnit2;
		++count;
	}
	return *this;
}