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java.lang.Objectorg.openstreetmap.josm.data.osm.visitor.AbstractVisitor
org.openstreetmap.josm.data.osm.visitor.MergeSourceBuildingVisitor
public class MergeSourceBuildingVisitor
MergeSourceBuildingVisitor helps to build the "hull" of a collection of OsmPrimitive
s
which shall be merged into another layer. The "hull" is slightly bigger than the original
collection. It includes, for instance the nodes of a way in the original collection even though
these nodes might not be present explicitly in the original collection. The "hull" also includes
incomplete OsmPrimitive
s which are referred to by relations in the original collection. And
it turns OsmPrimitive
referred to by Relation
s in the original collection into
incomplete OsmPrimitive
s in the "hull", if they are not themselves present in the
original collection.
Field Summary | |
---|---|
private DataSet |
hull
|
private java.util.HashMap<OsmPrimitive,PrimitiveData> |
mappedPrimitives
|
private DataSet |
selectionBase
|
Constructor Summary | |
---|---|
MergeSourceBuildingVisitor(DataSet selectionBase)
Creates the visitor. |
Method Summary | |
---|---|
DataSet |
build()
|
protected void |
buildHull()
|
protected boolean |
isAlreadyRemembered(OsmPrimitive primitive)
|
protected boolean |
isInSelectionBase(OsmPrimitive primitive)
|
protected void |
rememberIncomplete(OsmPrimitive primitive)
|
protected void |
rememberNode(Node n)
Remebers a node in the "hull" |
protected void |
rememberRelation(Relation r)
Remembers a relation in the hull |
protected void |
rememberRelationPartial(Relation r)
|
protected void |
rememberWay(Way w)
remembers a way in the hull |
void |
visit(Node n)
Visiting call for points. |
void |
visit(Relation r)
Visiting call for relations. |
void |
visit(Way w)
Visiting call for lines. |
Methods inherited from class org.openstreetmap.josm.data.osm.visitor.AbstractVisitor |
---|
visit |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
private DataSet selectionBase
private DataSet hull
private java.util.HashMap<OsmPrimitive,PrimitiveData> mappedPrimitives
Constructor Detail |
---|
public MergeSourceBuildingVisitor(DataSet selectionBase) throws java.lang.IllegalArgumentException
selectionBase
,
i.e. from DataSet.getSelected()
.
selectionBase
- the dataset. Must not be null.
java.lang.IllegalArgumentException
- thrown if selectionBase is nullMethod Detail |
---|
protected boolean isInSelectionBase(OsmPrimitive primitive)
protected boolean isAlreadyRemembered(OsmPrimitive primitive)
protected void rememberNode(Node n)
n
- the nodeprotected void rememberWay(Way w)
w
- the wayprotected void rememberRelation(Relation r)
r
- the relationprotected void rememberRelationPartial(Relation r)
protected void rememberIncomplete(OsmPrimitive primitive)
public void visit(Node n)
Visitor
n
- The node to inspect.public void visit(Way w)
Visitor
w
- The way to inspect.public void visit(Relation r)
Visitor
r
- The relation to inspect.protected void buildHull()
public DataSet build()
|
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