brouter/brouter-map-creator/src/main/java/btools/mapcreator/WayCutter.java

158 lines
5 KiB
Java

package btools.mapcreator;
import java.io.DataInputStream;
import java.io.EOFException;
import java.io.File;
import btools.expressions.BExpressionContext;
import btools.util.CompactLongSet;
import btools.util.DenseLongMap;
import btools.util.FrozenLongSet;
import btools.util.TinyDenseLongMap;
/**
* WayCutter does 2 step in map-processing:
*
* - cut the way file into 45*30 - pieces
* - enrich ways with relation information
*
* @author ab
*/
public class WayCutter extends MapCreatorBase
{
private CompactLongSet cyclewayset;
private DenseLongMap tileIndexMap;
private BExpressionContext expctxReport;
private BExpressionContext expctxCheck;
public static void main(String[] args) throws Exception
{
System.out.println("*** WayCutter: Soft-Cut way-data into tiles");
if (args.length != 7)
{
System.out.println("usage: java WayCutter <node-tiles-in> <way-file-in> <way-tiles-out> <relation-file> <lookup-file> <report-profile> <check-profile>" );
return;
}
new WayCutter().process( new File( args[0] ), new File( args[1] ), new File( args[2] ), new File( args[3] ), new File( args[4] ), new File( args[5] ), new File( args[6] ) );
}
public void process( File nodeTilesIn, File wayFileIn, File wayTilesOut, File relationFileIn, File lookupFile, File reportProfile, File checkProfile ) throws Exception
{
this.outTileDir = wayTilesOut;
// read lookup + profile for relation access-check
expctxReport = new BExpressionContext("way");
expctxReport.readMetaData( lookupFile );
expctxReport.parseFile( reportProfile, "global" );
expctxCheck = new BExpressionContext("way");
expctxCheck.readMetaData( lookupFile );
expctxCheck.parseFile( checkProfile, "global" );
// *** read the relation file into a set (currently cycleway processing only)
cyclewayset = new CompactLongSet();
DataInputStream dis = createInStream( relationFileIn );
try
{
for(;;)
{
long rid = readId( dis );
String network = dis.readUTF();
boolean goodNetwork = "lcn".equals( network ) || "rcn".equals( network ) || "ncn".equals( network ) || "icn".equals( network );
for(;;)
{
long wid = readId( dis );
if ( wid == -1 ) break;
if ( goodNetwork && !cyclewayset.contains( wid ) ) cyclewayset.add( wid );
}
}
}
catch( EOFException eof )
{
dis.close();
}
cyclewayset = new FrozenLongSet( cyclewayset );
System.out.println( "marked cycleways: " + cyclewayset.size() );
// *** read all nodes into tileIndexMap
tileIndexMap = Boolean.getBoolean( "useDenseMaps" ) ? new DenseLongMap( 6 ) : new TinyDenseLongMap();
new NodeIterator( this, false ).processDir( nodeTilesIn, ".tlf" );
// *** finally process the way-file, cutting into pieces
new WayIterator( this, true ).processFile( wayFileIn );
closeTileOutStreams();
}
@Override
public void nextNode( NodeData n ) throws Exception
{
tileIndexMap.put( n.nid, getTileIndex( n.ilon, n.ilat ) );
}
@Override
public void nextWay( WayData data ) throws Exception
{
// propagate the cycleway-bit
if ( cyclewayset.contains( data.wid ) )
{
// check access and log a warning for conflicts
expctxCheck.evaluate( data.description, null );
boolean ok = expctxCheck.getCostfactor() < 10000.;
expctxReport.evaluate( data.description, null );
boolean warn = expctxReport.getCostfactor() >= 10000.;
if ( warn )
{
System.out.println( "** relation access conflict for wid = " + data.wid + " tags:" + expctxReport.getKeyValueDescription( data.description ) + " (ok=" + ok + ")" );
}
if ( ok )
{
data.description |= 2;
}
}
long waytileset = 0;
int nnodes = data.nodes.size();
// determine the tile-index for each node
for (int i=0; i<nnodes; i++ )
{
int tileIndex = tileIndexMap.getInt( data.nodes.get(i) );
if ( tileIndex != -1 )
{
waytileset |= ( 1L << tileIndex );
}
}
// now write way to all tiles hit
for( int tileIndex=0; tileIndex<54; tileIndex++ )
{
if ( ( waytileset & ( 1L << tileIndex ) ) == 0 )
{
continue;
}
data.writeTo( getOutStreamForTile( tileIndex ) );
}
}
private int getTileIndex( int ilon, int ilat )
{
int lon = ilon / 45000000;
int lat = ilat / 30000000;
if ( lon < 0 || lon > 7 || lat < 0 || lat > 5 ) throw new IllegalArgumentException( "illegal pos: " + ilon + "," + ilat );
return lon*6 + lat;
}
protected String getNameForTile( int tileIndex )
{
int lon = (tileIndex / 6 ) * 45 - 180;
int lat = (tileIndex % 6 ) * 30 - 90;
String slon = lon < 0 ? "W" + (-lon) : "E" + lon;
String slat = lat < 0 ? "S" + (-lat) : "N" + lat;
return slon + "_" + slat + ".wtl";
}
}