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variable length tag encoding (more bugs..)

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This commit is contained in:
Arndt 2014-06-05 09:28:24 +02:00
parent eba5737739
commit be24ee7a88
7 changed files with 103 additions and 36 deletions
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56
brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java
View file

@ -17,7 +17,8 @@ import java.util.Map;
import java.util.StringTokenizer;
import java.util.TreeMap;
import btools.util.*;
import btools.util.BitCoderContext;
import btools.util.Crc32;
public final class BExpressionContext
@ -122,6 +123,7 @@ public final class BExpressionContext
ctx.encodeBit( ld[0] != 0 );
int skippedTags = 0;
int nonNullTags= 0;
// all others are generic
for( int inum = 1; inum < lookupValues.size(); inum++ ) // loop over lookup names
@ -133,6 +135,7 @@ public final class BExpressionContext
continue;
}
ctx.encodeDistance( skippedTags+1 );
nonNullTags++;
skippedTags = 0;
// 0 excluded already, 1 (=unknown) we rotate up to 8
@ -141,15 +144,53 @@ public final class BExpressionContext
ctx.encodeDistance( dd );
}
ctx.encodeDistance( 0 );
if ( nonNullTags == 0) return null;
int len = ctx.getEncodedLength();
byte[] ab = new byte[len];
System.arraycopy( abBuf, 0, ab, 0, len );
// crosscheck: decode and compare
int[] ld2 = new int[lookupValues.size()];
decode( ld2, ab );
for( int inum = 0; inum < lookupValues.size(); inum++ ) // loop over lookup names
{
if ( ld2[inum] != ld[inum] ) throw new RuntimeException( "assertion failed encoding " + getKeyValueDescription(ab) );
}
return ab;
}
private byte[] encodeFix( int[] ld )
/**
* encode lookup data to a 64-bit word
*/
public byte[] encodeFix( int[] ld )
{
throw new IllegalArgumentException( "encoding fixed-length not supporte" );
long w = 0;
for( int inum = 0; inum < lookupValues.size(); inum++ ) // loop over lookup names
{
int n = lookupValues.get(inum).length - 1;
int d = ld[inum];
if ( n == 2 ) { n = 1; d = d == 2 ? 1 : 0; } // 1-bit encoding for booleans
while( n != 0 ) { n >>= 1; w <<= 1; }
w |= (long)d;
}
if ( w == 0) return null;
byte[] ab = new byte[8];
int aboffset = 0;
ab[aboffset++] = (byte)( (w >> 56) & 0xff );
ab[aboffset++] = (byte)( (w >> 48) & 0xff );
ab[aboffset++] = (byte)( (w >> 40) & 0xff );
ab[aboffset++] = (byte)( (w >> 32) & 0xff );
ab[aboffset++] = (byte)( (w >> 24) & 0xff );
ab[aboffset++] = (byte)( (w >> 16) & 0xff );
ab[aboffset++] = (byte)( (w >> 8) & 0xff );
ab[aboffset++] = (byte)( (w ) & 0xff );
return ab;
}
@ -186,7 +227,7 @@ public final class BExpressionContext
// see encoder for value rotation
int dd = ctx.decodeDistance();
int d = dd == 7 ? 1 : ( dd < 7 ? dd + 2 : dd + 1);
if ( d >= lookupValues.get(inum).length ) d = 1; // map out-of-range to unkown
if ( d >= lookupValues.get(inum).length ) d = 1; // map out-of-range to unknown
ld[inum++] = d;
}
while( inum < ld.length ) ld[inum++] = 0;
@ -257,10 +298,7 @@ public final class BExpressionContext
for( int inum = 0; inum < lookupValues.size(); inum++ ) // loop over lookup names
{
BExpressionLookupValue[] va = lookupValues.get(inum);
int dataIdx = lookupData[inum];
if ( dataIdx >= va.length )
throw new RuntimeException( "ups, inum=" + inum + " dataIdx=" + dataIdx + " va.length=" + va.length + " sb=" + sb );
String value = va[dataIdx].toString();
String value = va[lookupData[inum]].toString();
if ( value != null && value.length() > 0 )
{
sb.append( " " + lookupNames.get( inum ) + "=" + value );
@ -576,7 +614,7 @@ public final class BExpressionContext
public boolean getBooleanLookupValue( String name )
{
Integer num = lookupNumbers.get( name );
return num != null && lookupData[num.intValue()] != 0;
return num != null && lookupData[num.intValue()] == 2;
}
public void parseFile( File file, String readOnlyContext )

49
brouter-map-creator/src/main/java/btools/mapcreator/OsmNodeP.java
View file

@ -82,7 +82,7 @@ public class OsmNodeP implements Comparable<OsmNodeP>
return null;
}
public void writeNodeData( DataOutputStream os ) throws IOException
public void writeNodeData( DataOutputStream os, boolean writeVarLength ) throws IOException
{
int lonIdx = ilon/62500;
int latIdx = ilat/62500;
@ -131,45 +131,68 @@ public class OsmNodeP implements Comparable<OsmNodeP>
OsmNodeP target = link.targetNode;
int tranferbit = target.isTransferNode() ? TRANSFERNODE_BITMASK : 0;
int writedescbit = link.descriptionBitmap != lastDescription ? WRITEDESC_BITMASK : 0;
int nodedescbit = nodeDescription != null ? NODEDESC_BITMASK : 0;
if ( skipDetailBit != 0 )
int writedescbit = 0;
if ( skipDetailBit == 0 ) // check if description changed
{
writedescbit = 0;
int inverseBitByteIndex = writeVarLength ? 0 : 7;
boolean inverseDirection = link instanceof OsmLinkPReverse;
byte[] ab = link.descriptionBitmap;
int abLen = ab.length;
int lastLen = lastDescription == null ? 0 : lastDescription.length;
boolean equalsCurrent = abLen == lastLen;
if ( equalsCurrent )
{
for( int i=0; i<abLen; i++ )
{
byte b = ab[i];
if ( i == inverseBitByteIndex && inverseDirection ) b ^= 1;
if ( b != lastDescription[i] ) { equalsCurrent = false; break; }
}
}
if ( !equalsCurrent )
{
writedescbit = WRITEDESC_BITMASK;
lastDescription = new byte[abLen];
System.arraycopy( ab, 0, lastDescription, 0 , abLen );
if ( inverseDirection ) lastDescription[inverseBitByteIndex] ^= 1;
}
}
int targetLonIdx = target.ilon/62500;
int targetLatIdx = target.ilat/62500;
int bm = tranferbit | writedescbit | nodedescbit | skipDetailBit;
if ( writeVarLength ) bm |= VARIABLEDESC_BITMASK;
if ( targetLonIdx == lonIdx && targetLatIdx == latIdx )
{
// reduced position for internal target
os2.writeByte( tranferbit | writedescbit | nodedescbit | skipDetailBit | VARIABLEDESC_BITMASK );
os2.writeByte( bm );
os2.writeShort( (short)(target.ilon - lonIdx*62500 - 31250) );
os2.writeShort( (short)(target.ilat - latIdx*62500 - 31250) );
}
else
{
// full position for external target
os2.writeByte( tranferbit | writedescbit | nodedescbit | skipDetailBit | EXTERNAL_BITMASK | VARIABLEDESC_BITMASK );
os2.writeByte( bm | EXTERNAL_BITMASK );
os2.writeInt( target.ilon );
os2.writeInt( target.ilat );
}
if ( writedescbit != 0 )
{
// write the way description, code direction into the first bit
byte[] dbytes = link.descriptionBitmap;
int len = dbytes.length;
os2.writeByte( len );
os2.writeByte( link instanceof OsmLinkPReverse ? dbytes[0] | 1 : dbytes[0] );
if ( len > 1 ) os2.write( dbytes, 1, len-1 );
int len = lastDescription.length;
if ( writeVarLength ) os2.writeByte( len );
os2.write( lastDescription, 0, len );
}
if ( nodedescbit != 0 )
{
os2.writeByte( nodeDescription.length ); os2.write( nodeDescription );
if ( writeVarLength ) os2.writeByte( nodeDescription.length );
os2.write( nodeDescription );
nodeDescription = null;
}
lastDescription = link.descriptionBitmap;
if ( tranferbit == 0)
{

4
brouter-map-creator/src/main/java/btools/mapcreator/WayLinker.java
View file

@ -40,6 +40,7 @@ public class WayLinker extends MapCreatorBase
private CompactLongSet borderSet;
private short lookupVersion;
private short lookupMinorVersion;
private boolean writeVarLength;
private long creationTimeStamp;
@ -81,6 +82,7 @@ public class WayLinker extends MapCreatorBase
expctxWay.readMetaData( lookupFile );
lookupVersion = expctxWay.lookupVersion;
lookupMinorVersion = expctxWay.lookupMinorVersion;
writeVarLength = expctxWay.readVarLength;
expctxWay.parseFile( profileFile, "global" );
creationTimeStamp = System.currentTimeMillis();
@ -268,7 +270,7 @@ public class WayLinker extends MapCreatorBase
for( int ni=0; ni<subList.size(); ni++ )
{
OsmNodeP n = subList.get(ni);
n.writeNodeData( dos );
n.writeNodeData( dos, writeVarLength );
}
dos.close();
byte[] subBytes = bos.toByteArray();

14
misc/profiles2/car-test.brf
View file

@ -40,10 +40,10 @@ assign caraccess
switch or highway=residential highway=living_street 1
switch highway=service 1
0
or access=yes or access=designated access=destination
or access=yes or access=permissive or access=designated access=destination
or vehicle=yes or vehicle=designated vehicle=destination
or motor_vehicle=yes or motor_vehicle=designated motor_vehicle=destination
or motorcar=yes or motorcar=designated motorcar=destination
or motor_vehicle=yes or motor_vehicle=permissive or motor_vehicle=designated motor_vehicle=destination
or motorcar=yes or motorcar=permissive or motorcar=designated motorcar=destination
assign accesspenalty
switch caraccess
@ -97,10 +97,10 @@ assign caraccess
switch barrier=lift_gate 0
switch barrier=cycle_barrier 0
1
or access=yes or access=designated access=destination
or vehicle=yes or vehicle=designated vehicle=destination
or motor_vehicle=yes or motor_vehicle=designated motor_vehicle=destination
or motorcar=yes or motorcar=designated motorcar=destination
or access=yes access=permissive or access=designated access=destination
or vehicle=yes or vehicle=permissive or vehicle=designated vehicle=destination
or motor_vehicle=yes or motor_vehicle=permissive or motor_vehicle=designated motor_vehicle=destination
or motorcar=yes or motorcar=permissive or motorcar=designated motorcar=destination
assign initialcost
switch caraccess

7
misc/profiles2/fastbike.brf
View file

@ -29,7 +29,8 @@ assign uphillcutoff 1.5
---context:way # following code refers to way-tags
assign any_cycleroute or route_bicycle_icn=yes or route_bicycle_ncn=yes or route_bicycle_rcn=yes route_bicycle_lcn=yes
assign nodeaccessgranted or any_cycleroute lcn=yes
assign ispaved or surface=paved or surface=asphalt or surface=concrete surface=paving_stones
assign isunpaved not or surface= or ispaved or surface=fine_gravel surface=cobblestone
@ -53,7 +54,7 @@ assign defaultaccess
# calculate logical bike access
#
assign bikeaccess
or longdistancecycleway=yes
or any_cycleroute
switch bicycle=
switch vehicle=
defaultaccess
@ -140,7 +141,7 @@ assign defaultaccess
1
assign bikeaccess
or or longdistancecycleway=yes lcn=yes
or nodeaccessgranted=yes
switch bicycle=
switch vehicle=
defaultaccess

7
misc/profiles2/shortest.brf
View file

@ -11,6 +11,9 @@ assign validForFoot 1
---context:way # following code refers to way-tags
assign any_cycleroute or route_bicycle_icn=yes or route_bicycle_ncn=yes or route_bicycle_rcn=yes route_bicycle_lcn=yes
assign nodeaccessgranted or any_cycleroute lcn=yes
assign turncost 0
assign initialcost switch highway=ferry 10000 0
@ -30,7 +33,7 @@ assign defaultaccess
# calculate logical bike access
#
assign bikeaccess
or longdistancecycleway=yes
or any_cycleroute
switch bicycle=
switch vehicle=
defaultaccess
@ -69,7 +72,7 @@ assign defaultaccess
1
assign bikeaccess
or or longdistancecycleway=yes lcn=yes
or nodeaccessgranted=yes
switch bicycle=
switch vehicle=
defaultaccess

2
misc/profiles2/trekking.brf
View file

@ -34,7 +34,7 @@ assign any_cycleroute or route_bicycle_icn=yes or route_bicycle_ncn=yes or route
assign nodeaccessgranted or any_cycleroute lcn=yes
assign is_ldcr and any_cycleroute not ignore_cycleroutes
assign isbike or bicycle=yes or bicycle=designated lcn=yes
assign isbike or bicycle=yes or or bicycle=permissive bicycle=designated lcn=yes
assign ispaved or surface=paved or surface=asphalt or surface=concrete surface=paving_stones
assign isunpaved not or surface= or ispaved or surface=fine_gravel surface=cobblestone
assign probablyGood or ispaved and isbike not isunpaved