本文整理汇总了Java中math.geom2d.Point2D.transform方法的典型用法代码示例。如果您正苦于以下问题：Java Point2D.transform方法的具体用法？Java Point2D.transform怎么用？Java Point2D.transform使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类math.geom2d.Point2D的用法示例。
在下文中一共展示了Point2D.transform方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: toGlobal
import math.geom2d.Point2D; //导入方法依赖的package包/类
/**
* transform a point in local coordinate (ie orthogonal centered hyberbola
* with a=b=1) to global coordinate system.
*/
public Point2D toGlobal(Point2D point) {
point = point.transform(AffineTransform2D.createScaling(a, b));
point = point.transform(AffineTransform2D.createRotation(theta));
point = point.transform(AffineTransform2D.createTranslation(xc, yc));
return point;
}
示例2: transform
import math.geom2d.Point2D; //导入方法依赖的package包/类
/**
* Returns an instance of EllipseArc2D, or CircleArc2D if transform is a
* similarity.
*/
@Override
public EllipseArc2D transform(AffineTransform2D trans) {
if (!AffineTransform2D.isSimilarity(trans))
return super.transform(trans);
// System.out.println("transform a circle");
// extract the control points
Point2D center = circle.getCenter();
Point2D point1 = this.getFirstPoint();
Point2D point2 = this.getLastPoint();
// transform each point
center = center.transform(trans);
point1 = point1.transform(trans);
point2 = point2.transform(trans);
// compute new angles
double angle1 = Angle2D.getHorizontalAngle(center, point1);
double angle2 = Angle2D.getHorizontalAngle(center, point2);
// compute factor of transform
double[] coefs = trans.getCoefficients();
double factor = Math.sqrt(coefs[0]*coefs[0]+coefs[3]*coefs[3]);
// compute parameters of new circle arc
double xc = center.getX(), yc = center.getY();
double r2 = circle.getRadius()*factor;
double startAngle = angle1;
double angleExtent = Angle2D.formatAngle(angle2-angle1);
boolean b1 = AffineTransform2D.isDirect(trans);
boolean b2 = this.isDirect();
if (b1&!b2|!b1&b2)
angleExtent = angleExtent-2*Math.PI;
// return new CircleArc
return new CircleArc2D(xc, yc, r2, startAngle, angleExtent);
}
示例3: formatPoint
import math.geom2d.Point2D; //导入方法依赖的package包/类
/**
* Changes coordinate of the point to correspond to a standard parabola.
* Standard parabola s such that y=x^2 for every point of the parabola.
*
* @param point
* @return
*/
private Point2D formatPoint(java.awt.geom.Point2D point) {
Point2D p2 = new Point2D(point);
p2 = p2.transform(AffineTransform2D.createTranslation(-xv, -yv));
p2 = p2.transform(AffineTransform2D.createRotation(-theta));
p2 = p2.transform(AffineTransform2D.createScaling(1, 1.0/a));
return p2;
}
示例4: toLocal
import math.geom2d.Point2D; //导入方法依赖的package包/类
public Point2D toLocal(Point2D point) {
point = point.transform(AffineTransform2D.createTranslation(-xc, -yc));
point = point.transform(AffineTransform2D.createRotation(-theta));
point = point.transform(AffineTransform2D.createScaling(1/a, 1/b));
return point;
}