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Posted to commits@lucene.apache.org by kw...@apache.org on 2022/11/24 09:51:24 UTC

[lucene] branch branch_9x updated: More refactoring work, and fix a distance calculation.

This is an automated email from the ASF dual-hosted git repository.

kwright pushed a commit to branch branch_9x
in repository https://gitbox.apache.org/repos/asf/lucene.git


The following commit(s) were added to refs/heads/branch_9x by this push:
     new f69fb6ed99b More refactoring work, and fix a distance calculation.
f69fb6ed99b is described below

commit f69fb6ed99b7c02b4d142cea68ece5891cf45008
Author: Karl David Wright <kw...@apache.org>
AuthorDate: Wed Nov 23 23:36:15 2022 -0500

    More refactoring work, and fix a distance calculation.
---
 .../lucene/spatial3d/geom/GeoDegeneratePath.java   | 32 ++++++++++---
 .../lucene/spatial3d/geom/GeoStandardPath.java     | 54 ++++++++++++----------
 .../apache/lucene/spatial3d/geom/TestGeoPath.java  | 12 +++--
 3 files changed, 62 insertions(+), 36 deletions(-)

diff --git a/lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoDegeneratePath.java b/lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoDegeneratePath.java
index 524451ac68a..d1a452ca566 100644
--- a/lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoDegeneratePath.java
+++ b/lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoDegeneratePath.java
@@ -282,7 +282,7 @@ class GeoDegeneratePath extends GeoBasePath {
         minDistance = newDistance;
       }
     }
-    return minDistance;
+    return distanceStyle.fromAggregationForm(minDistance);
   }
 
   @Override
@@ -468,6 +468,15 @@ class GeoDegeneratePath extends GeoBasePath {
       return this.point.isIdentical(x, y, z);
     }
 
+    public boolean isWithinSection(final double x, final double y, final double z) {
+      for (final Membership cutoffPlane : cutoffPlanes) {
+        if (!cutoffPlane.isWithin(x, y, z)) {
+          return false;
+        }
+      }
+      return true;
+    }
+
     /**
      * Compute interior path distance.
      *
@@ -502,7 +511,7 @@ class GeoDegeneratePath extends GeoBasePath {
           return Double.POSITIVE_INFINITY;
         }
       }
-      return distanceStyle.computeDistance(this.point, x, y, z);
+      return distanceStyle.toAggregationForm(distanceStyle.computeDistance(this.point, x, y, z));
     }
 
     /**
@@ -516,7 +525,7 @@ class GeoDegeneratePath extends GeoBasePath {
      */
     public double outsideDistance(
         final DistanceStyle distanceStyle, final double x, final double y, final double z) {
-      return distanceStyle.computeDistance(this.point, x, y, z);
+      return distanceStyle.toAggregationForm(distanceStyle.computeDistance(this.point, x, y, z));
     }
 
     /**
@@ -578,7 +587,7 @@ class GeoDegeneratePath extends GeoBasePath {
 
     @Override
     public String toString() {
-      return point.toString();
+      return "SegmentEndpoint: " + point;
     }
   }
 
@@ -659,6 +668,10 @@ class GeoDegeneratePath extends GeoBasePath {
           && normalizedConnectingPlane.evaluateIsZero(x, y, z);
     }
 
+    public boolean isWithinSection(final double x, final double y, final double z) {
+      return startCutoffPlane.isWithin(x, y, z) && endCutoffPlane.isWithin(x, y, z);
+    }
+
     /**
      * Compute path center distance (distance from path to current point).
      *
@@ -671,7 +684,7 @@ class GeoDegeneratePath extends GeoBasePath {
     public double pathCenterDistance(
         final DistanceStyle distanceStyle, final double x, final double y, final double z) {
       // First, if this point is outside the endplanes of the segment, return POSITIVE_INFINITY.
-      if (!startCutoffPlane.isWithin(x, y, z) || !endCutoffPlane.isWithin(x, y, z)) {
+      if (!isWithinSection(x, y, z)) {
         return Double.POSITIVE_INFINITY;
       }
       // (1) Compute normalizedPerpPlane.  If degenerate, then there is no such plane, which means
@@ -710,7 +723,7 @@ class GeoDegeneratePath extends GeoBasePath {
               "Can't find world intersection for point x=" + x + " y=" + y + " z=" + z);
         }
       }
-      return distanceStyle.computeDistance(thePoint, x, y, z);
+      return distanceStyle.toAggregationForm(distanceStyle.computeDistance(thePoint, x, y, z));
     }
 
     /**
@@ -726,7 +739,7 @@ class GeoDegeneratePath extends GeoBasePath {
     public double nearestPathDistance(
         final DistanceStyle distanceStyle, final double x, final double y, final double z) {
       // First, if this point is outside the endplanes of the segment, return POSITIVE_INFINITY.
-      if (!startCutoffPlane.isWithin(x, y, z) || !endCutoffPlane.isWithin(x, y, z)) {
+      if (!isWithinSection(x, y, z)) {
         return Double.POSITIVE_INFINITY;
       }
       // (1) Compute normalizedPerpPlane.  If degenerate, then there is no such plane, which means
@@ -892,5 +905,10 @@ class GeoDegeneratePath extends GeoBasePath {
           .addPoint(end)
           .addPlane(planetModel, normalizedConnectingPlane, startCutoffPlane, endCutoffPlane);
     }
+
+    @Override
+    public String toString() {
+      return "PathSegment: " + start + " to " + end;
+    }
   }
 }
diff --git a/lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoStandardPath.java b/lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoStandardPath.java
index 1f2350b2e64..e2567575b74 100755
--- a/lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoStandardPath.java
+++ b/lucene/spatial3d/src/java/org/apache/lucene/spatial3d/geom/GeoStandardPath.java
@@ -437,6 +437,14 @@ class GeoStandardPath extends GeoBasePath {
       this.pathCenterDistance = pathCenterDistance;
       this.distanceAlongPath = distanceAlongPath;
     }
+
+    @Override
+    public String toString() {
+      return "DistancePair: pathCenterDistance="
+          + pathCenterDistance
+          + ",distanceAlongPath="
+          + distanceAlongPath;
+    }
   }
 
   /**
@@ -888,10 +896,12 @@ class GeoStandardPath extends GeoBasePath {
       if (!isWithinSection(x, y, z)) {
         return null;
       }
-      return new DistancePair(
-          pathCenterDistance(distanceStyle, x, y, z),
-          distanceStyle.aggregateDistances(
-              getStartingDistance(distanceStyle), nearestPathDistance(distanceStyle, x, y, z)));
+      final DistancePair rval =
+          new DistancePair(
+              pathCenterDistance(distanceStyle, x, y, z),
+              distanceStyle.aggregateDistances(
+                  getStartingDistance(distanceStyle), nearestPathDistance(distanceStyle, x, y, z)));
+      return rval;
     }
 
     @Override
@@ -925,7 +935,7 @@ class GeoStandardPath extends GeoBasePath {
       if (!isWithinSection(x, y, z)) {
         return Double.POSITIVE_INFINITY;
       }
-      return distanceStyle.toAggregationForm(distanceStyle.computeDistance(this.point, x, y, z));
+      return distanceStyle.toAggregationForm(0.0);
     }
 
     @Override
@@ -1150,10 +1160,8 @@ class GeoStandardPath extends GeoBasePath {
     @Override
     public double nearestPathDistance(
         final DistanceStyle distanceStyle, final double x, final double y, final double z) {
-      for (final Membership cutoff : cutoffPlanes) {
-        if (!cutoff.isWithin(x, y, z)) {
-          return Double.POSITIVE_INFINITY;
-        }
+      if (!isWithinSection(x, y, z)) {
+        return Double.POSITIVE_INFINITY;
       }
       return super.nearestPathDistance(distanceStyle, x, y, z);
     }
@@ -1161,10 +1169,8 @@ class GeoStandardPath extends GeoBasePath {
     @Override
     public double pathCenterDistance(
         final DistanceStyle distanceStyle, final double x, final double y, final double z) {
-      for (final Membership cutoff : cutoffPlanes) {
-        if (!cutoff.isWithin(x, y, z)) {
-          return Double.POSITIVE_INFINITY;
-        }
+      if (!isWithinSection(x, y, z)) {
+        return Double.POSITIVE_INFINITY;
       }
       return super.pathCenterDistance(distanceStyle, x, y, z);
     }
@@ -1319,10 +1325,8 @@ class GeoStandardPath extends GeoBasePath {
     @Override
     public double nearestPathDistance(
         final DistanceStyle distanceStyle, final double x, final double y, final double z) {
-      for (final Membership cutoff : cutoffPlanes) {
-        if (!cutoff.isWithin(x, y, z)) {
-          return Double.POSITIVE_INFINITY;
-        }
+      if (!isWithinSection(x, y, z)) {
+        return Double.POSITIVE_INFINITY;
       }
       return super.nearestPathDistance(distanceStyle, x, y, z);
     }
@@ -1330,10 +1334,8 @@ class GeoStandardPath extends GeoBasePath {
     @Override
     public double pathCenterDistance(
         final DistanceStyle distanceStyle, final double x, final double y, final double z) {
-      for (final Membership cutoff : cutoffPlanes) {
-        if (!cutoff.isWithin(x, y, z)) {
-          return Double.POSITIVE_INFINITY;
-        }
+      if (!isWithinSection(x, y, z)) {
+        return Double.POSITIVE_INFINITY;
       }
       return super.pathCenterDistance(distanceStyle, x, y, z);
     }
@@ -1538,10 +1540,12 @@ class GeoStandardPath extends GeoBasePath {
       if (!isWithinSection(x, y, z)) {
         return null;
       }
-      return new DistancePair(
-          pathCenterDistance(distanceStyle, x, y, z),
-          distanceStyle.aggregateDistances(
-              getStartingDistance(distanceStyle), nearestPathDistance(distanceStyle, x, y, z)));
+      final DistancePair rval =
+          new DistancePair(
+              pathCenterDistance(distanceStyle, x, y, z),
+              distanceStyle.aggregateDistances(
+                  getStartingDistance(distanceStyle), nearestPathDistance(distanceStyle, x, y, z)));
+      return rval;
     }
 
     private double computeStartingDistance(final DistanceStyle distanceStyle) {
diff --git a/lucene/spatial3d/src/test/org/apache/lucene/spatial3d/geom/TestGeoPath.java b/lucene/spatial3d/src/test/org/apache/lucene/spatial3d/geom/TestGeoPath.java
index ccafbae3574..f93466bef61 100755
--- a/lucene/spatial3d/src/test/org/apache/lucene/spatial3d/geom/TestGeoPath.java
+++ b/lucene/spatial3d/src/test/org/apache/lucene/spatial3d/geom/TestGeoPath.java
@@ -40,7 +40,6 @@ public class TestGeoPath extends LuceneTestCase {
     gp = new GeoPoint(PlanetModel.SPHERE, -0.15, 0.05);
     assertEquals(Double.POSITIVE_INFINITY, p.computeDistance(DistanceStyle.ARC, gp), 0.000001);
     gp = new GeoPoint(PlanetModel.SPHERE, 0.0, 0.25);
-    System.out.println("Calling problematic computeDistance...");
     assertEquals(0.20 + 0.05, p.computeDistance(DistanceStyle.ARC, gp), 0.000001);
     gp = new GeoPoint(PlanetModel.SPHERE, 0.0, -0.05);
     assertEquals(0.0 + 0.05, p.computeDistance(DistanceStyle.ARC, gp), 0.000001);
@@ -415,9 +414,9 @@ public class TestGeoPath extends LuceneTestCase {
     // Construct a path with a width
     final GeoPath legacyPath = GeoPathFactory.makeGeoPath(PlanetModel.SPHERE, 1e-6, pathPoints);
     // Compute the inside distance to the atPoint using zero-width path
-    // final double distance = thisPath.computeNearestDistance(DistanceStyle.ARC, carPoint);
+    final double distance = thisPath.computeNearestDistance(DistanceStyle.ARC, carPoint);
     // Compute the inside distance using legacy path
-    // final double legacyDistance = legacyPath.computeNearestDistance(DistanceStyle.ARC, carPoint);
+    final double legacyDistance = legacyPath.computeNearestDistance(DistanceStyle.ARC, carPoint);
     // Compute the inside distance using the legacy formula
     final double oldFormulaDistance = thisPath.computeDistance(DistanceStyle.ARC, carPoint);
     // Compute the inside distance using the legacy formula with the legacy shape
@@ -426,7 +425,12 @@ public class TestGeoPath extends LuceneTestCase {
     // These should be about the same, but something is wrong with GeoDegeneratePath and they
     // aren't.
     // More research needed.
-    // assertEquals(legacyDistance, distance, 1e-12);
+    System.out.println(
+        "Zero width path nearestDistance = "
+            + distance
+            + ", standard path nearestDistance = "
+            + legacyDistance);
+    assertEquals(legacyDistance, distance, 1e-12);
     assertEquals(oldFormulaLegacyDistance, oldFormulaDistance, 1e-12);
     // This isn't true because example search center is off of the path.
     // assertEquals(oldFormulaDistance, distance, 1e-12);