public void getKB()
{
double x1 = point1.getX();
double y1 = point1.getY();
double x2 = point2.getX();
double y2 = point2.getY();
k = (y2 - y1) / (x2 - x1);
b = (x1 * y2 - x2 * y1) / (x1 - x2);
}
public PointXYZ CalculateTranslationVector()
{
PointXYZ point = new PointXYZ();
double dx = keyPoint2.getX() - keyPoint1.getX();
double dy = keyPoint2.getY() - keyPoint1.getY();
point.setX(dx);
point.setY(dy);
return(point);
}
//通过矩形对角线上的一对点确定裁剪区域范围
public void setArea(PointXYZ point1, PointXYZ point2)
{
double x1 = point1.getX();
double y1 = point1.getY();
double x2 = point2.getX();
double y2 = point2.getY();
if (x1 < x2)
{
minX = x1;
maxX = x2;
}
else
{
minX = x2;
maxX = x1;
}
if (y1 < y2)
{
minY = y1;
maxY = y2;
}
else
{
minY = y2;
maxY = y1;
}
}
private static bool isReverse()
{
// 情况1: 左下右上
// false
// 情况2: 左上右下
// true
PointXYZ centerPoint1 = Const.FK_LINE.getKLine1().getCenterPoint();
PointXYZ centerPoint2 = Const.FK_LINE.getKLine2().getCenterPoint();
double x1 = centerPoint1.getX();
double y1 = centerPoint1.getY();
double z1 = centerPoint1.getZ(); // not used here
double x2 = centerPoint2.getX();
double y2 = centerPoint2.getY();
double z2 = centerPoint2.getZ(); // not used here
double k = Const.FK_LINE.getFLine().getK();
double b = Const.FK_LINE.getFLine().getB();
if ((y1 > k * x1 + b) && (y2 < k * x2 + b)) // 左上右下判断限定
{
return(true);
}
return(false);
}
public bool isInKeyRectangle(PointXYZ point)
{
bool result = false;
double x = point.getX();
double y = point.getY();
if ((x >= minX) && (x <= maxX) && (y >= minY) && (y < maxY))
{
result = true;
}
return(result);
}