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Create osmand-regions

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This commit is contained in:
vshcherb 2013-09-16 22:21:11 +02:00
parent 3205378585
commit b063b65583
3 changed files with 177 additions and 4 deletions
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5
OsmAnd-java/src/net/osmand/binary/BinaryInspector.java
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@ -50,8 +50,9 @@ public class BinaryInspector {
inspector(args);
// test cases show info
// inspector(new String[]{"-vaddress", "-vcities", "-vstreets", "-bbox=14.4,50.1,14.5,50.01", "/home/victor/projects/osmand/osm-gen/Monaco.obf"});
// test case extract parts
// inspector(new String[]{"/home/victor/projects/osmand/osm-gen/World_basemap_2.obf"});
inspector(new String[]{"-vmap", "-vmapobjects", /*"-vstreets", "-bbox=14.4,50.1,14.5,50.01", */"/home/victor/projects/osmand/osm-gen/Osmand_regions.obf"});
// test case extract parts
// test case
}

3
OsmAnd-java/src/net/osmand/data/QuadTree.java
View file

@ -39,9 +39,10 @@ public class QuadTree<T> {
insert(data, new QuadRect(x, y, x, y));
}
public void queryInBox(QuadRect box, List<T> result) {
public List<T> queryInBox(QuadRect box, List<T> result) {
result.clear();
queryNode(box, result, root);
return result;
}
private void queryNode(QuadRect box, List<T> result, Node<T> node) {

171
OsmAnd-java/src/net/osmand/map/OsmandRegions.java Normal file
View file

@ -0,0 +1,171 @@
package net.osmand.map;
import gnu.trove.list.array.TIntArrayList;
import net.osmand.ResultMatcher;
import net.osmand.binary.BinaryMapDataObject;
import net.osmand.binary.BinaryMapIndexReader;
import net.osmand.data.QuadRect;
import net.osmand.data.QuadTree;
import net.osmand.util.MapAlgorithms;
import net.osmand.util.MapUtils;
import java.io.*;
import java.util.*;
public class OsmandRegions {
Map<String, LinkedList<BinaryMapDataObject>> countries = new HashMap<String, LinkedList<BinaryMapDataObject>>();
QuadTree<String> quadTree = new QuadTree<String>(new QuadRect(0, 0, Integer.MAX_VALUE, Integer.MAX_VALUE),
8, 0.55f);
Integer downloadNameType = null;
Integer prefixType = null;
Integer suffixType = null;
public OsmandRegions() {
}
Integer getDownloadNameType(){
return downloadNameType;
}
Integer getPrefixType() {
return prefixType;
}
Integer getSuffixType() {
return suffixType;
}
public boolean contain(BinaryMapDataObject bo, int tx, int ty) {
int t = 0;
for (int i = 1; i < bo.getPointsLength(); i++) {
int fx = MapAlgorithms.ray_intersect_x(bo.getPoint31XTile(i - 1),
bo.getPoint31YTile(i - 1),
bo.getPoint31XTile(i),
bo.getPoint31YTile(i), ty);
if (Integer.MIN_VALUE != fx && tx >= fx) {
t++;
}
}
return t % 2 == 1;
}
public List<BinaryMapDataObject> getCountries(int tile31x, int tile31y) {
HashSet<String> set = new HashSet<String>(quadTree.queryInBox(new QuadRect(tile31x, tile31y, tile31x, tile31y),
new ArrayList<String>()));
List<BinaryMapDataObject> result = new ArrayList<BinaryMapDataObject>();
Iterator<String> it = set.iterator();
while (it.hasNext()) {
String cname = it.next();
BinaryMapDataObject container = null;
int count = 0;
for (BinaryMapDataObject bo : countries.get(cname)) {
if (contain(bo, tile31x, tile31y)) {
count++;
container = bo;
break;
}
}
if (count % 2 == 1) {
result.add(container);
}
}
return result;
}
private void init(String fileName) throws IOException {
BinaryMapIndexReader reader = new BinaryMapIndexReader(new RandomAccessFile(fileName, "r"));
BinaryMapIndexReader.SearchRequest<BinaryMapDataObject> sr = BinaryMapIndexReader.buildSearchRequest(0, Integer.MAX_VALUE, 0, Integer.MAX_VALUE,
5, new BinaryMapIndexReader.SearchFilter() {
@Override
public boolean accept(TIntArrayList types, BinaryMapIndexReader.MapIndex index) {
return true;
}
}, new ResultMatcher<BinaryMapDataObject>() {
@Override
public boolean publish(BinaryMapDataObject object) {
if (object.getPointsLength() < 1) {
return false;
}
if (downloadNameType == null) {
downloadNameType = object.getMapIndex().getRule("download_name", null);
prefixType = object.getMapIndex().getRule("region_prefix", null);
suffixType = object.getMapIndex().getRule("region_suffix", null);
if (downloadNameType == null) {
throw new IllegalStateException();
}
}
String nm = object.getNameByType(downloadNameType);
if (!countries.containsKey(nm)) {
LinkedList<BinaryMapDataObject> ls = new LinkedList<BinaryMapDataObject>();
countries.put(nm, ls);
ls.add(object);
} else {
countries.get(nm).add(object);
}
int maxx = object.getPoint31XTile(0);
int maxy = object.getPoint31YTile(0);
int minx = maxx;
int miny = maxy;
for (int i = 1; i < object.getPointsLength(); i++) {
int x = object.getPoint31XTile(i);
int y = object.getPoint31YTile(i);
if (y < miny) {
miny = y;
} else if (y > maxy) {
maxy = y;
}
if (x < minx) {
minx = x;
} else if (x > maxx) {
maxx = x;
}
}
quadTree.insert(nm, new QuadRect(minx, miny, maxx, maxy));
return false;
}
@Override
public boolean isCancelled() {
return false;
}
}
);
reader.searchMapIndex(sr);
}
private static void testCountry(OsmandRegions or, double lat, double lon, String test) {
List<BinaryMapDataObject> cs = or.getCountries(MapUtils.get31TileNumberX(15.8), MapUtils.get31TileNumberY(23.09));
if(cs.size() != 1) {
StringBuilder found = new StringBuilder();
for(BinaryMapDataObject b : cs) {
found.append(b.getName()).append(' ');
}
throw new IllegalStateException(" Expected " + test + " - Lat " + lat + " lon " + lon + ", but found : " + found);
}
String nm = cs.get(0).getName();
if(!test.equals(nm)) {
throw new IllegalStateException(" Expected " + test + " but was " + nm);
}
}
public static void main(String[] args) throws IOException {
OsmandRegions or = new OsmandRegions();
or.init("/home/victor/projects/osmand/osm-gen/Osmand_regions.obf");
testCountry(or, 15.8, 23.09, "chad");
}
}