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performance

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This commit is contained in:
Arndt 2016-09-10 16:03:15 +02:00
parent 9d00b0181e
commit 448bb11ad4
13 changed files with 204 additions and 125 deletions
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42
brouter-mapaccess/src/main/java/btools/mapaccess/OsmLink.java
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@ -5,7 +5,6 @@
*/
package btools.mapaccess;
import btools.util.ByteDataReader;
public class OsmLink
@ -33,47 +32,6 @@ public class OsmLink
this.geometry = geometry;
}
final public OsmTransferNode decodeFirsttransfer( OsmNode sourceNode )
{
if ( geometry == null ) return null;
OsmTransferNode firstTransferNode = null;
OsmTransferNode lastTransferNode = null;
OsmNode startnode = counterLinkWritten ? targetNode : sourceNode;
ByteDataReader r = new ByteDataReader( geometry );
int olon = startnode.ilon;
int olat = startnode.ilat;
int oselev = startnode.selev;
while ( r.hasMoreData() )
{
OsmTransferNode trans = new OsmTransferNode();
trans.ilon = olon + r.readVarLengthSigned();
trans.ilat = olat + r.readVarLengthSigned();
trans.selev = (short)(oselev + r.readVarLengthSigned());
olon = trans.ilon;
olat = trans.ilat;
oselev = trans.selev;
if ( counterLinkWritten ) // reverse chaining
{
trans.next = firstTransferNode;
firstTransferNode = trans;
}
else
{
if ( lastTransferNode == null )
{
firstTransferNode = trans;
}
else
{
lastTransferNode.next = trans;
}
lastTransferNode = trans;
}
}
return firstTransferNode;
}
final public void addLinkHolder( OsmLinkHolder holder )
{
if ( firstlinkholder != null ) { holder.setNextForLink( firstlinkholder ); }