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LUCENE-2184: previous commit broke this 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@933908 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Grant Ingersoll 2010-04-14 10:41:36 +00:00
parent 8703572fc2
commit ddae6f06db
2 changed files with 15 additions and 9 deletions
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2
lucene/contrib/spatial/src/java/org/apache/lucene/spatial/tier/CartesianPolyFilterBuilder.java
View File

@ -69,7 +69,7 @@ public class CartesianPolyFilterBuilder {
double longUpperRight = upperRight.getLng();
double longLowerLeft = lowerLeft.getLng();
CartesianTierPlotter ctp = new CartesianTierPlotter( miles, projector, tierPrefix );
CartesianTierPlotter ctp = new CartesianTierPlotter( miles, projector, tierPrefix, minTier, maxTier );
Shape shape = new Shape(ctp.getTierLevelId());
if (longUpperRight < longLowerLeft) { // Box cross the 180 meridian

22
lucene/contrib/spatial/src/java/org/apache/lucene/spatial/tier/projections/CartesianTierPlotter.java
View File

@ -26,6 +26,8 @@ import org.apache.lucene.spatial.geometry.DistanceUnits;
*/
public class CartesianTierPlotter {
public static final String DEFALT_FIELD_PREFIX = "_tier_";
public static final int DEFALT_MIN_TIER = 0;
public static final int DEFALT_MAX_TIER = 15;
final int tierLevel;
int tierLength;
@ -49,8 +51,8 @@ public class CartesianTierPlotter {
}
public CartesianTierPlotter(double radius, IProjector projector,
String fieldPrefix) {
this(CartesianTierPlotter.bestFit(radius), projector, fieldPrefix);
String fieldPrefix, int minTier, int maxTier) {
this(CartesianTierPlotter.bestFit(radius, minTier, maxTier), projector, fieldPrefix);
}
private void setTierLength (){
@ -143,18 +145,22 @@ public class CartesianTierPlotter {
* in accurate
*/
static public int bestFit(double range) {
return bestFit(range, DistanceUnits.MILES);
return bestFit(range, DEFALT_MIN_TIER, DEFALT_MAX_TIER, DistanceUnits.MILES);
}
static public int bestFit(double range, DistanceUnits distanceUnit) {
static public int bestFit(double range, int minTier, int maxTier) {
return bestFit(range, minTier, maxTier, DistanceUnits.MILES);
}
static public int bestFit(double range, int minTier, int maxTier, DistanceUnits distanceUnit) {
double times = distanceUnit.earthCircumference() / (2.0d * range);
int bestFit = (int) Math.ceil(log2(times));
if (bestFit > 15) {
// 15 is the granularity of about 1 mile
// finer granularity isn't accurate with standard java math
return 15;
if (bestFit > maxTier) {
return maxTier;
} else if (bestFit < minTier) {
return minTier;
}
return bestFit;
}