svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.remoteclient / src / main / java / org / gvsig / remoteclient / utils / BoundaryBox.java @ 40769
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.remoteclient.utils; |
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public class BoundaryBox { |
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private double xmin; |
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private double xmax; |
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private double ymin; |
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private double ymax; |
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private String srs; |
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public double getXmin() { |
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return xmin;
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} |
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public void setXmin(double _xmin) { |
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xmin = _xmin; |
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} |
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public double getXmax() { |
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return xmax;
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} |
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public void setXmax(double _xmax) { |
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xmax = _xmax; |
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} |
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public double getYmin() { |
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return ymin;
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} |
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public void setYmin(double _ymin) { |
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ymin = _ymin; |
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} |
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public double getYmax() { |
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return ymax;
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} |
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public void setYmax(double _ymax) { |
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ymax = _ymax; |
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} |
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public String getSrs() { |
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return srs;
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} |
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public void setSrs(String _srs) { |
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srs = _srs; |
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} |
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public String toString(){ |
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String s = srs + " (" + xmin + ", " + ymin + ", " + xmax + ", " + ymax + ")"; |
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return s;
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} |
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public static boolean validLat(double v) { |
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return v >= -90 && v <= 90; |
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} |
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public static boolean validLon(double v) { |
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return v >= -180 && v <= 180; |
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} |
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public static BoundaryBox clipGeodeticBBox(BoundaryBox bbox) { |
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BoundaryBox resp = new BoundaryBox();
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resp.setSrs(bbox.getSrs()); |
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resp.setXmin(bbox.getXmin()); |
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resp.setXmax(bbox.getXmax()); |
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resp.setYmin(bbox.getYmin()); |
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resp.setYmax(bbox.getYmax()); |
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// ==================================================
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// Fix longitude
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// ==================================================
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if (resp.getXmax() > resp.getXmin()
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&& validLon(resp.getXmin()) && !validLon(resp.getXmax())) {
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// only xmax is wrong:
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resp.setXmax(180);
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} else {
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if (resp.getXmax() > resp.getXmin()
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&& !validLon(resp.getXmin()) && validLon(resp.getXmax())) {
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// only xmin is wrong:
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resp.setXmin(-180);
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} else {
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if (resp.getXmax() > resp.getXmin()
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&& validLon(resp.getXmin()) && validLon(resp.getXmax())) {
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// OK, do nothing
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} else {
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resp.setXmax(180);
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resp.setXmin(-180);
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} |
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} |
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} |
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// ==================================================
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// Fix latitude
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// ==================================================
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if (resp.getYmax() > resp.getYmin()
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&& validLat(resp.getYmin()) && !validLat(resp.getYmax())) {
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// only ymax is wrong:
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resp.setYmax(90);
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} else {
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if (resp.getYmax() > resp.getYmin()
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&& !validLat(resp.getYmin()) && validLat(resp.getYmax())) {
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// only ymin is wrong:
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resp.setYmin(-90);
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} else {
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if (resp.getYmax() > resp.getYmin()
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&& validLat(resp.getYmin()) && validLat(resp.getYmax())) {
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// OK, do nothing
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} else {
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// box was a mess, let's fix it
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resp.setYmax(90);
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resp.setYmin(-90);
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} |
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} |
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} |
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// ===============================================
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return resp;
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} |
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} |