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LUCENE-6475: Fix Geo3d bug RE minimum error resolution 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1678859 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
David Wayne Smiley 2015-05-12 04:21:39 +00:00
parent e50f4d94c7
commit 29490437c5
4 changed files with 39 additions and 30 deletions
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9
lucene/spatial/src/java/org/apache/lucene/spatial/spatial4j/geo3d/Plane.java
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@ -808,11 +808,6 @@ public class Plane extends Vector {
//System.err.println("E = " + E + " F = " + F + " G = " + G + " H = "+ H + " I = " + I + " J = " + J);
double trialX = 2.0;
double trialY = 2.0;
//System.err.println("Trial point evaluates to: "+(E*trialX*trialX + F*trialY*trialY + G*trialX*trialY + H*trialX + I*trialY + J));
// Check if the origin is within, by substituting x = 0, y = 0 and seeing if less than zero
if (Math.abs(J) >= MINIMUM_RESOLUTION && J > 0.0) {
// The derivative of the curve above is:
@ -867,7 +862,7 @@ public class Plane extends Vector {
double sqrtClause = b * b - 4.0 * a * c;
//System.out.println("sqrtClause="+sqrtClause);
if (Math.abs(sqrtClause) < MINIMUM_RESOLUTION_SQUARED) {
if (Math.abs(sqrtClause) < MINIMUM_RESOLUTION_CUBED) {
//System.err.println(" One solution");
double y0 = -b / (2.0 * a);
double x0 = (-2.0 * J - I * y0) / H;
@ -918,7 +913,7 @@ public class Plane extends Vector {
//System.out.println("a="+a+" b="+b+" c="+c);
double sqrtClause = b * b - 4.0 * a * c;
//System.out.println("sqrtClause="+sqrtClause);
if (Math.abs(sqrtClause) < MINIMUM_RESOLUTION_SQUARED) {
if (Math.abs(sqrtClause) < MINIMUM_RESOLUTION_CUBED) {
//System.err.println(" One solution; sqrt clause was "+sqrtClause);
double x0 = -b / (2.0 * a);
double y0 = (-2.0 * J - H * x0) / I;

2
lucene/spatial/src/java/org/apache/lucene/spatial/spatial4j/geo3d/Vector.java
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@ -34,6 +34,8 @@ public class Vector {
*/
public static final double MINIMUM_RESOLUTION_SQUARED = MINIMUM_RESOLUTION * MINIMUM_RESOLUTION;
public static final double MINIMUM_RESOLUTION_CUBED = MINIMUM_RESOLUTION_SQUARED * MINIMUM_RESOLUTION;
public final double x;
public final double y;
public final double z;

56
lucene/spatial/src/test/org/apache/lucene/spatial/spatial4j/Geo3dShapeRectRelationTest.java
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@ -25,6 +25,7 @@ import com.carrotsearch.randomizedtesting.RandomizedContext;
import com.spatial4j.core.context.SpatialContext;
import com.spatial4j.core.distance.DistanceUtils;
import com.spatial4j.core.shape.Point;
import com.spatial4j.core.shape.Rectangle;
import org.apache.lucene.spatial.spatial4j.geo3d.Bounds;
import org.apache.lucene.spatial.spatial4j.geo3d.GeoArea;
import org.apache.lucene.spatial.spatial4j.geo3d.GeoBBox;
@ -53,28 +54,6 @@ public class Geo3dShapeRectRelationTest extends RandomizedShapeTestCase {
protected final static double RADIANS_PER_DEGREE = Math.PI/180.0;
@Test
public void testFailure1() {
final GeoBBox rect = GeoBBoxFactory.makeGeoBBox(88 * RADIANS_PER_DEGREE, 30 * RADIANS_PER_DEGREE, -30 * RADIANS_PER_DEGREE, 62 * RADIANS_PER_DEGREE);
final List<GeoPoint> points = new ArrayList<GeoPoint>();
points.add(new GeoPoint(66.2465299717 * RADIANS_PER_DEGREE, -29.1786158537 * RADIANS_PER_DEGREE));
points.add(new GeoPoint(43.684447915 * RADIANS_PER_DEGREE, 46.2210986329 * RADIANS_PER_DEGREE));
points.add(new GeoPoint(30.4579218227 * RADIANS_PER_DEGREE, 14.5238410082 * RADIANS_PER_DEGREE));
final GeoShape path = GeoPolygonFactory.makeGeoPolygon(points,0);
final GeoPoint point = new GeoPoint(34.2730264413182 * RADIANS_PER_DEGREE, 82.75500168892472 * RADIANS_PER_DEGREE);
// Apparently the rectangle thinks the polygon is completely within it... "shape inside rectangle"
assertTrue(GeoArea.WITHIN == rect.getRelationship(path));
// Point is within path? Apparently not...
assertFalse(path.isWithin(point));
// If it is within the path, it must be within the rectangle, and similarly visa versa
assertFalse(rect.isWithin(point));
}
protected static GeoBBox getBoundingBox(final GeoShape path) {
Bounds bounds = path.getBounds(null);
@ -260,4 +239,37 @@ public class Geo3dShapeRectRelationTest extends RandomizedShapeTestCase {
geoPoint.y * DistanceUtils.RADIANS_TO_DEGREES);
}
@Test
public void testFailure1() {
final GeoBBox rect = GeoBBoxFactory.makeGeoBBox(88 * RADIANS_PER_DEGREE, 30 * RADIANS_PER_DEGREE, -30 * RADIANS_PER_DEGREE, 62 * RADIANS_PER_DEGREE);
final List<GeoPoint> points = new ArrayList<GeoPoint>();
points.add(new GeoPoint(66.2465299717 * RADIANS_PER_DEGREE, -29.1786158537 * RADIANS_PER_DEGREE));
points.add(new GeoPoint(43.684447915 * RADIANS_PER_DEGREE, 46.2210986329 * RADIANS_PER_DEGREE));
points.add(new GeoPoint(30.4579218227 * RADIANS_PER_DEGREE, 14.5238410082 * RADIANS_PER_DEGREE));
final GeoShape path = GeoPolygonFactory.makeGeoPolygon(points,0);
final GeoPoint point = new GeoPoint(34.2730264413182 * RADIANS_PER_DEGREE, 82.75500168892472 * RADIANS_PER_DEGREE);
// Apparently the rectangle thinks the polygon is completely within it... "shape inside rectangle"
assertTrue(GeoArea.WITHIN == rect.getRelationship(path));
// Point is within path? Apparently not...
assertFalse(path.isWithin(point));
// If it is within the path, it must be within the rectangle, and similarly visa versa
assertFalse(rect.isWithin(point));
}
@Test
public void testFailure2_LUCENE6475() {
GeoShape geo3dCircle = new GeoCircle(1.6282053147165243E-4 * RADIANS_PER_DEGREE,
-70.1600629789353 * RADIANS_PER_DEGREE, 86 * RADIANS_PER_DEGREE);
Geo3dShape geo3dShape = new Geo3dShape(geo3dCircle, ctx);
Rectangle rect = ctx.makeRectangle(-118, -114, -2.0, 32.0);
assertTrue(geo3dShape.relate(rect).intersects());
// thus the bounding box must intersect too
assertTrue(geo3dShape.getBoundingBox().relate(rect).intersects());
}
}

2
lucene/spatial/src/test/org/apache/lucene/spatial/spatial4j/RectIntersectionTestHelper.java
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@ -111,7 +111,7 @@ public abstract class RectIntersectionTestHelper<S extends Shape> extends Random
SpatialRelation ic = s.relate(r);
LogRule.log("S-R Rel: {}, Shape {}, Rectangle {}", ic, s, r);
LogRule.log("S-R Rel: {}, Shape {}, Rectangle {} lap# {}", ic, s, r, laps);
if (ic != DISJOINT) {
assertTrue("if not disjoint then the shape's bbox shouldn't be disjoint",