/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.unidata.geoloc;
import junit.framework.TestCase;
import ucar.unidata.geoloc.projection.LambertConformal;
import ucar.nc2.util.Misc;
/**
* compare ProjectionImpl.latLonToProjBB against latLonToProjBB2
* There are a lot of failures - not sure why, but probably latLonToProjBB2 is wrong.
*
* @author caron
*/
public class TestBB extends TestCase {
void doTest(ProjectionImpl p, LatLonRect rect) {
ProjectionRect prect = p.latLonToProjBB( rect);
ProjectionRect prect2 = p.latLonToProjBB2( rect);
if (!equals( prect, prect2))
System.out.println("\n--Projection= "+p);
System.out.println(" llbb= "+rect.toString2());
System.out.println(" latLonToProjBB= "+prect);
System.out.println(" latLonToProjBB2= "+prect2);
System.out.println("FAIL");
}
void doTests(ProjectionImpl p) {
LatLonPointImpl ptL = new LatLonPointImpl(-10, 0.0);
double xinc = 22.5;
double yinc = 20.0;
for (double lon = 0.0; lon < 380.0; lon += xinc) {
ptL.setLongitude(lon);
LatLonRect llbb = new LatLonRect(ptL, yinc, xinc);
ProjectionPoint pt1 = p.latLonToProj(ptL);
ProjectionPoint pt2 = p.latLonToProj(llbb.getLowerRightPoint());
if (!p.crossSeam(pt1, pt2))
doTest(p, llbb);
}
}
public void testLC() {
doTests(new LambertConformal(40.0, 0, 20.0, 60.0));
}
boolean equals(ProjectionRect prect1, ProjectionRect prect2) {
boolean b1 = equals( prect1.getLowerLeftPoint(), prect2.getLowerLeftPoint());
boolean b2 = equals( prect1.getUpperRightPoint(), prect2.getUpperRightPoint());
return b1 && b2;
}
boolean equals(ProjectionPoint pt1, ProjectionPoint pt2) {
return Misc.closeEnough(pt1.getX(), pt2.getX()) && Misc.closeEnough(pt1.getY(), pt2.getY());
}
public void testProblem() {
ProjectionImpl p = new LambertConformal(40.0, 0, 20.0, 60.0);
LatLonPointImpl ptL = new LatLonPointImpl(-10, 135);
LatLonPointImpl ptL2 = new LatLonPointImpl(10, 157.5);
LatLonRect llbb = new LatLonRect(ptL, ptL2);
ProjectionPoint pt1 = p.latLonToProj(ptL);
ProjectionPoint pt2 = p.latLonToProj(ptL2);
System.out.println("pt1 = "+pt1);
System.out.println("pt2 = "+pt2);
ProjectionPoint lr = p.latLonToProj(llbb.getLowerRightPoint());
System.out.println("lr = "+lr);
if (!p.crossSeam(pt1, pt2))
doTest(p, llbb);
}
}