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get JTS geometry from OSMElements

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This commit is contained in:
Hannes Janetzek
2014-02-12 20:46:41 +01:00
parent 424f44ba12
commit e9d8cdd329
6 changed files with 32 additions and 3 deletions
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3
vtm-extras/src/org/oscim/utils/osm/OSMElement.java
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@@ -18,6 +18,8 @@ package org.oscim.utils.osm;
import org.oscim.core.TagSet;
import com.vividsolutions.jts.geom.Geometry;
public abstract class OSMElement {
public final TagSet tags;
@@ -59,4 +61,5 @@ public abstract class OSMElement {
return "?" + id;
}
public abstract Geometry toJts();
}

2
vtm-extras/src/org/oscim/utils/osm/OSMMember.java
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@@ -23,8 +23,6 @@ public class OSMMember {
RELATIOM
}
static final boolean useDebugLabels = true;
public final String role;
public final OSMElement member;

7
vtm-extras/src/org/oscim/utils/osm/OSMNode.java
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@@ -18,8 +18,9 @@ package org.oscim.utils.osm;
import org.oscim.core.TagSet;
import com.vividsolutions.jts.geom.Geometry;
public class OSMNode extends OSMElement {
//public static EMPTY_NODE = new OSMNode()
public final double lat;
public final double lon;
@@ -35,4 +36,8 @@ public class OSMNode extends OSMElement {
return "n" + id;
}
@Override
public Geometry toJts() {
return null; //bnew Point(new Coordinate(lat, lon), null);
}
}

6
vtm-extras/src/org/oscim/utils/osm/OSMRelation.java
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@@ -21,6 +21,8 @@ import java.util.List;
import org.oscim.core.TagSet;
import com.vividsolutions.jts.geom.Geometry;
public class OSMRelation extends OSMElement {
public final List<OSMMember> relationMembers;
@@ -38,4 +40,8 @@ public class OSMRelation extends OSMElement {
return "r" + id;
}
@Override
public Geometry toJts() {
return null;
}
}

16
vtm-extras/src/org/oscim/utils/osm/OSMWay.java
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@@ -20,6 +20,11 @@ import java.util.List;
import org.oscim.core.TagSet;
import com.vividsolutions.jts.geom.CoordinateSequence;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.impl.PackedCoordinateSequenceFactory;
public class OSMWay extends OSMElement {
public final List<OSMNode> nodes;
@@ -39,4 +44,15 @@ public class OSMWay extends OSMElement {
return "w" + id;
}
public Geometry toJts() {
double[] coords = new double[nodes.size() * 2];
int i = 0;
for (OSMNode n : nodes) {
coords[i++] = n.lon;
coords[i++] = n.lat;
}
CoordinateSequence c = PackedCoordinateSequenceFactory.DOUBLE_FACTORY.create(coords, 2);
return new LineString(c, null);
}
}