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Make search more discrete

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This commit is contained in:
Victor Shcherb 2011-10-01 09:00:00 +02:00
parent eb7abdd0b8
commit f7075d82d4
6 changed files with 35 additions and 55 deletions
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7
DataExtractionOSM/src/net/osmand/binary/BinaryMapPoiReaderAdapter.java
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@ -8,7 +8,6 @@ import java.io.IOException;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
@ -202,8 +201,9 @@ public class BinaryMapPoiReaderAdapter {
return Double.compare(foffsets.get(object1), foffsets.get(object2));
}
});
int p = 0;
for (int i = BUCKET_SEARCH_BY_NAME;; i += BUCKET_SEARCH_BY_NAME) {
int p = BUCKET_SEARCH_BY_NAME * 3 ;
if (p < offKeys.length) {
for (int i = p + BUCKET_SEARCH_BY_NAME;; i += BUCKET_SEARCH_BY_NAME) {
if (i > offKeys.length) {
Arrays.sort(offKeys, p, offKeys.length);
break;
@ -213,6 +213,7 @@ public class BinaryMapPoiReaderAdapter {
p = i;
}
}
}
LOG.info("Searched poi structure in "+(System.currentTimeMillis() - time) +

3
DataExtractionOSM/src/net/osmand/data/preparation/IndexCreator.java
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@ -554,8 +554,7 @@ public class IndexCreator {
if (indexPOI) {
progress.setGeneralProgress("[95 of 100]");
progress.startTask("Writing poi index to binary file...", -1);
// TODO uncomment
// indexPoiCreator.writeBinaryPoiIndex(writer, regionName, progress);
indexPoiCreator.writeBinaryPoiIndex(writer, regionName, progress);
}
if (indexTransport) {

1
DataExtractionOSM/src/net/osmand/data/preparation/IndexPoiCreator.java
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@ -556,7 +556,6 @@ public class IndexPoiCreator extends AbstractIndexPartCreator {
public static void main(String[] args) throws SQLException, FileNotFoundException, IOException {
// TODO support cancelling poi search request! Do it in another thread (Check is cancelled()!!!)
// TODO make more discrete POI Filter
// TODO implement UI to show matching by name subcategories
long time = System.currentTimeMillis();
IndexPoiCreator poiCreator = new IndexPoiCreator();

1
OsmAnd/src/net/osmand/plus/NameFinderPoiFilter.java
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@ -36,6 +36,7 @@ public class NameFinderPoiFilter extends PoiFilter {
public NameFinderPoiFilter(OsmandApplication application) {
super(null, application);
this.name = application.getString(R.string.poi_filter_nominatim); //$NON-NLS-1$
this.distanceToSearchValues = new double[] {1, 2, 5, 10, 20, 30, 100, 250 };
this.filterId = FILTER_ID;
}

49
OsmAnd/src/net/osmand/plus/PoiFilter.java
View file

@ -29,11 +29,12 @@ public class PoiFilter {
protected String name;
private final boolean isStandardFilter;
private final static int finalZoom = 6;
private final static int initialZoom = 14;
protected int zoom = initialZoom;
protected final OsmandApplication application;
protected int distanceInd = 1;
// in kilometers
protected double[] distanceToSearchValues = new double[] {1, 2, 3, 5, 10, 30, 100, 250 };
// constructor for standard filters
public PoiFilter(AmenityType type, OsmandApplication application){
@ -68,19 +69,19 @@ public class PoiFilter {
for(AmenityType t : AmenityType.values()){
acceptedTypes.put(t, null);
}
distanceToSearchValues = new double[] {0.5, 1, 2, 3, 5, 10, 15, 30, 100};
}
public boolean isSearchFurtherAvailable(){
return zoom > finalZoom;
return distanceInd < distanceToSearchValues.length - 1;
}
protected void searchFurtherIncrement(){
zoom --;
}
public List<Amenity> searchFurther(double latitude, double longitude, ResultMatcher<Amenity> matcher){
searchFurtherIncrement();
if(distanceInd < distanceToSearchValues.length - 1){
distanceInd ++;
}
List<Amenity> amenityList = searchAmenities(this, latitude, longitude, matcher);
MapUtils.sortListOfMapObject(amenityList, latitude, longitude);
@ -88,28 +89,20 @@ public class PoiFilter {
}
public String getSearchArea(){
if(zoom <= 14){
int d = (int) (1 * (1 << (14 - zoom)));
return " < " + d + " " + application.getString(R.string.km); //$NON-NLS-1$//$NON-NLS-2$
double val = distanceToSearchValues[distanceInd];
if(val >= 1){
return " < " + ((int) val)+ " " + application.getString(R.string.km); //$NON-NLS-1$//$NON-NLS-2$
} else {
return " < 500 " + application.getString(R.string.m); //$NON-NLS-1$
}
}
public void clearPreviousZoom(){
zoom = getInitialZoom();
}
protected int getInitialZoom(){
int zoom = initialZoom;
if(areAllTypesAccepted()){
zoom += 1;
}
return zoom;
distanceInd = 0;
}
public List<Amenity> initializeNewSearch(double lat, double lon, int firstTimeLimit, ResultMatcher<Amenity> matcher){
zoom = getInitialZoom();
clearPreviousZoom();
List<Amenity> amenityList = searchAmenities(this, lat, lon, matcher);
MapUtils.sortListOfMapObject(amenityList, lat, lon);
if (firstTimeLimit > 0) {
@ -121,12 +114,14 @@ public class PoiFilter {
}
private List<Amenity> searchAmenities(PoiFilter poiFilter, double lat, double lon, ResultMatcher<Amenity> matcher) {
double tileNumberX = MapUtils.getTileNumberX(zoom, lon);
double tileNumberY = MapUtils.getTileNumberY(zoom, lat);
double topLatitude = MapUtils.getLatitudeFromTile(zoom, tileNumberY - 0.5);
double bottomLatitude = MapUtils.getLatitudeFromTile(zoom, tileNumberY + 0.5);
double leftLongitude = MapUtils.getLongitudeFromTile(zoom, tileNumberX - 0.5);
double rightLongitude = MapUtils.getLongitudeFromTile(zoom, tileNumberX + 0.5);
double baseDistY = MapUtils.getDistance(lat, lon, lat - 1, lon);
double baseDistX = MapUtils.getDistance(lat, lon, lat, lon - 1);
double distance = distanceToSearchValues[distanceInd] * 1000;
double topLatitude = lat + (distance/ baseDistY );
double bottomLatitude = lat - (distance/ baseDistY );
double leftLongitude = lon - (distance / baseDistX);
double rightLongitude = lon + (distance/ baseDistX);
return searchAmenities(poiFilter, lat, lon, topLatitude, bottomLatitude, leftLongitude, rightLongitude, matcher);
}

17
OsmAnd/src/net/osmand/plus/SearchByNameFilter.java
View file

@ -21,6 +21,7 @@ public class SearchByNameFilter extends PoiFilter {
public SearchByNameFilter(OsmandApplication application) {
super(application.getString(R.string.poi_filter_by_name), FILTER_ID, new LinkedHashMap<AmenityType, LinkedHashSet<String>>(), application);
this.distanceToSearchValues = new double[] {100, 1000, 5000};
}
@Override
@ -37,22 +38,6 @@ public class SearchByNameFilter extends PoiFilter {
this.query = query;
}
@Override
protected int getInitialZoom() {
return 9;
}
@Override
public boolean isSearchFurtherAvailable() {
return zoom >= 3;
}
@Override
public List<Amenity> searchFurther(double latitude, double longitude, ResultMatcher<Amenity> matcher) {
zoom -= 3;
return super.searchFurther(latitude, longitude, matcher);
}
@Override
protected List<Amenity> searchAmenities(PoiFilter poiFilter, double lat, double lon, double topLatitude,
double bottomLatitude, double leftLongitude, double rightLongitude, ResultMatcher<Amenity> matcher) {