mirror of https://github.com/apache/lucene.git
sick of the horribly ugly formatting in this file. My eyes just can't take it anymore!
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@934860 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Grant Ingersoll
parent
ea9cc21c5d
commit
5a10e41aa8
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@ -17,16 +17,16 @@
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package org.apache.lucene.spatial.tier;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import org.apache.lucene.search.Filter;
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import org.apache.lucene.spatial.geometry.FloatLatLng;
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import org.apache.lucene.spatial.geometry.LatLng;
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import org.apache.lucene.spatial.geometry.shape.LLRect;
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import org.apache.lucene.spatial.tier.projections.CartesianTierPlotter;
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import org.apache.lucene.spatial.tier.projections.IProjector;
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import org.apache.lucene.spatial.tier.projections.SinusoidalProjector;
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import org.apache.lucene.spatial.geometry.LatLng;
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import org.apache.lucene.spatial.geometry.FloatLatLng;
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import org.apache.lucene.spatial.geometry.shape.LLRect;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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/**
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@ -44,26 +44,25 @@ public class CartesianPolyFilterBuilder {
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private IProjector projector = new SinusoidalProjector();
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private final String tierPrefix;
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private int minTier;
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private int maxTier;
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private int minTier;
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private int maxTier;
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/**
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*
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* @param tierPrefix The prefix for the name of the fields containing the tier info
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* @param tierPrefix The prefix for the name of the fields containing the tier info
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* @param minTierIndexed The minimum tier level indexed
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* @param maxTierIndexed The maximum tier level indexed
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*/
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public CartesianPolyFilterBuilder( String tierPrefix, int minTierIndexed, int maxTierIndexed ) {
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public CartesianPolyFilterBuilder(String tierPrefix, int minTierIndexed, int maxTierIndexed) {
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this.tierPrefix = tierPrefix;
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this.minTier = minTierIndexed;
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this.maxTier = maxTierIndexed;
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this.minTier = minTierIndexed;
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this.maxTier = maxTierIndexed;
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}
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public Shape getBoxShape(double latitude, double longitude, double miles)
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{
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public Shape getBoxShape(double latitude, double longitude, double miles) {
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if (miles < MILES_FLOOR) {
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miles = MILES_FLOOR;
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}
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LLRect box1 = LLRect.createBox( new FloatLatLng( latitude, longitude ), miles, miles );
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LLRect box1 = LLRect.createBox(new FloatLatLng(latitude, longitude), miles, miles);
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LatLng ll = box1.getLowerLeft();
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LatLng ur = box1.getUpperRight();
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@ -72,97 +71,96 @@ public class CartesianPolyFilterBuilder {
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double longY = ur.getLng();
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double longX = ll.getLng();
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double longX2 = 0.0;
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//These two if checks setup us up to deal with issues around the prime meridian and the 180th meridian
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//In these two cases, we need to get tiles (tiers) from the lower left up to the meridian and then
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//from the meridan to the upper right
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//Are we crossing the 180 deg. longitude, if so, we need to do some special things
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//These two if checks setup us up to deal with issues around the prime meridian and the 180th meridian
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//In these two cases, we need to get tiles (tiers) from the lower left up to the meridian and then
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//from the meridan to the upper right
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//Are we crossing the 180 deg. longitude, if so, we need to do some special things
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if (ur.getLng() < 0.0 && ll.getLng() > 0.0) {
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longX2 = ll.getLng();
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longX = -180.0;
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longX2 = ll.getLng();
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longX = -180.0;
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}
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//are we crossing the prime meridian (0 degrees)? If so, we need to account for it and boxes on both sides
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//are we crossing the prime meridian (0 degrees)? If so, we need to account for it and boxes on both sides
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if (ur.getLng() > 0.0 && ll.getLng() < 0.0) {
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longX2 = ll.getLng();
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longX = 0.0;
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longX2 = ll.getLng();
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longX = 0.0;
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}
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//System.err.println("getBoxShape:"+latY+"," + longY);
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//System.err.println("getBoxShape:"+latX+"," + longX);
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CartesianTierPlotter ctp = new CartesianTierPlotter(2, projector,tierPrefix);
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CartesianTierPlotter ctp = new CartesianTierPlotter(2, projector, tierPrefix);
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int bestFit = ctp.bestFit(miles);
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if (bestFit < minTier){
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bestFit = minTier;
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} else if (bestFit > maxTier){
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bestFit = maxTier;
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}
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if (bestFit < minTier) {
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bestFit = minTier;
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} else if (bestFit > maxTier) {
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bestFit = maxTier;
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}
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ctp = new CartesianTierPlotter(bestFit, projector,tierPrefix);
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ctp = new CartesianTierPlotter(bestFit, projector, tierPrefix);
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Shape shape = new Shape(ctp.getTierFieldName());
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// generate shape
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// iterate from startX->endX
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// iterate from startY -> endY
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// shape.add(currentLat.currentLong);
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//for the edge cases (prime meridian and the 180th meridian), this call handles all tiles East of the meridian
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//for the edge cases (prime meridian and the 180th meridian), this call handles all tiles East of the meridian
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//for all other cases, it handles the whole set of tiles
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shape = getShapeLoop(shape,ctp,latX,longX,latY,longY);
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if (longX2 != 0.0) {
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if (longX == 0.0) {
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longX = longX2;
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longY = 0.0;
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//handles the lower left longitude to the prime meridian
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//shape = getShapeLoop(shape, ctp, latX, longX, latY, longY);
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} else {
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//this clause handles the lower left longitude up to the 180 meridian
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longX = longX2;
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longY = 180.0;
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}
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shape = getShapeLoop(shape, ctp, latX, longX, latY, longY);
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shape = getShapeLoop(shape, ctp, latX, longX, latY, longY);
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if (longX2 != 0.0) {
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if (longX == 0.0) {
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longX = longX2;
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longY = 0.0;
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//handles the lower left longitude to the prime meridian
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//shape = getShapeLoop(shape, ctp, latX, longX, latY, longY);
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} else {
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//this clause handles the lower left longitude up to the 180 meridian
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longX = longX2;
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longY = 180.0;
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}
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shape = getShapeLoop(shape, ctp, latX, longX, latY, longY);
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//System.err.println("getBoxShape2:"+latY+"," + longY);
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//System.err.println("getBoxShape2:"+latX+"," + longX);
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}
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//System.err.println("getBoxShape2:"+latY+"," + longY);
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//System.err.println("getBoxShape2:"+latX+"," + longX);
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}
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return shape;
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}
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public Shape getShapeLoop(Shape shape, CartesianTierPlotter ctp, double latX, double longX, double latY, double longY)
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{
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public Shape getShapeLoop(Shape shape, CartesianTierPlotter ctp, double latX, double longX, double latY, double longY) {
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//System.err.println("getShapeLoop:"+latY+"," + longY);
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//System.err.println("getShapeLoop:"+latX+"," + longX);
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double beginAt = ctp.getTierBoxId(latX, longX);
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double endAt = ctp.getTierBoxId(latY, longY);
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if (beginAt > endAt){
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double tmp = beginAt;
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beginAt = endAt;
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endAt = tmp;
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}
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if (beginAt > endAt) {
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double tmp = beginAt;
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beginAt = endAt;
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endAt = tmp;
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}
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double tierVert = ctp.getTierVerticalPosDivider();
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//System.err.println(" | "+ beginAt+" | "+ endAt);
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double startX = beginAt - (beginAt %1);
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double startY = beginAt - startX ; //should give a whole number
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double startX = beginAt - (beginAt % 1);
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double startY = beginAt - startX; //should give a whole number
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double endX = endAt - (endAt %1);
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double endY = endAt -endX; //should give a whole number
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double endX = endAt - (endAt % 1);
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double endY = endAt - endX; //should give a whole number
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int scale = (int)Math.log10(tierVert);
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int scale = (int) Math.log10(tierVert);
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endY = new BigDecimal(endY).setScale(scale, RoundingMode.HALF_EVEN).doubleValue();
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startY = new BigDecimal(startY).setScale(scale, RoundingMode.HALF_EVEN).doubleValue();
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double xInc = 1.0d / tierVert;
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xInc = new BigDecimal(xInc).setScale(scale, RoundingMode.HALF_EVEN).doubleValue();
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//System.err.println("go from startX:"+startX+" to:" + endX);
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for (; startX <= endX; startX++){
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for (; startX <= endX; startX++) {
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double itY = startY;
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//System.err.println("go from startY:"+startY+" to:" + endY);
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while (itY <= endY){
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while (itY <= endY) {
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//create a boxId
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// startX.startY
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double boxId = startX + itY ;
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double boxId = startX + itY;
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shape.addBox(boxId);
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//System.err.println("----"+startX+" and "+itY);
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//System.err.println("----"+boxId);
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@ -176,8 +174,7 @@ public class CartesianPolyFilterBuilder {
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return shape;
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}
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public Filter getBoundingArea(double latitude, double longitude, double miles)
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{
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public Filter getBoundingArea(double latitude, double longitude, double miles) {
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Shape shape = getBoxShape(latitude, longitude, miles);
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return new CartesianShapeFilter(shape, shape.getTierId());
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}
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