Java Geometry Algorithm snapToGrid(Point original, double gridSpacing)

Description

Returns a point on the grid as specified by the gridSpacing.

License

Open Source License

Parameter

Parameter	Description
original	original point
gridSpacing	grid spacing

Return

point on grid closest to the original point

Declaration

public static Point snapToGrid(Point original, double gridSpacing) 

Method Source Code

//package com.java2s;
/*-/* w w w .  j  a  v  a 2s  .c  om*/
 * APT - Analysis of Petri Nets and labeled Transition systems
 * Copyright (C) 2016 Jonas Prellberg
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

import java.awt.Point;

public class Main {
    /**
     * Returns a point on the grid as specified by the gridSpacing.
     *
     * @param original
     *                original point
     * @param gridSpacing
     *                grid spacing
     * @return point on grid closest to the original point
     */
    public static Point snapToGrid(Point original, double gridSpacing) {
        Point result = new Point(original);
        result.x = (int) (gridSpacing * Math.round(result.x / gridSpacing));
        result.y = (int) (gridSpacing * Math.round(result.y / gridSpacing));
        return result;
    }
}

Related

1. setPathAnchor(Shape s, Point2D pt)
2. setPathControlPoint(Shape s, int i, Point2D pt)
3. setRevisePoint(Point2D.Double revisePoint, Point2D.Double startPoint)
4. slopeOfLineBetween(Point2D.Double p1, Point2D.Double p2)
5. smallestBoundingBox( java.awt.Point.Double[] points)
6. starRunner(int[][] screen, int x, int y, List blueList)
7. te static double t(Point2D.Double original, Point2D.Double endpt1, Point2D.Double endpt2)
8. vecLength(final Point2D v)
9. verticalParallelogram(Point2D top, Point2D bottom, double width)