/// <summary>
/// Creates a new instaance of the OsmDatabase class and loads data from specific IOsmReader into it.
/// </summary>
/// <param name="reader">The IOsmReader to read data from.</param>
/// <returns>New instance of the OsmDAtabase class with data loaded from specified reader.</returns>
public static OsmEntityInfoDatabase Load(IOsmReader reader)
{
OsmEntityInfoDatabase db = new OsmEntityInfoDatabase();
IEntityInfo entityInfo = null;
while ((entityInfo = reader.Read()) != null)
{
switch (entityInfo.EntityType)
{
case EntityType.Node: db.Nodes.Add((NodeInfo)entityInfo); break;
case EntityType.Way: db.Ways.Add((WayInfo)entityInfo); break;
case EntityType.Relation: db.Relations.Add((RelationInfo)entityInfo); break;
}
}
return(db);
}
private void TestReader(IOsmReader reader)
{
IEntityInfo info = null;
int nodesCount = 0, waysCount = 0, relationsCount = 0;
while ((info = reader.Read()) != null)
{
switch (info.EntityType)
{
case EntityType.Node: nodesCount++; break;
case EntityType.Way: waysCount++; break;
case EntityType.Relation: relationsCount++; break;
}
}
Assert.Equal(TestFileNodesCount, nodesCount);
Assert.Equal(TestFileWaysCount, waysCount);
Assert.Equal(TestFileRelationsCount, relationsCount);
}
private void TestReader(IOsmReader reader)
{
IEntityInfo info = null;
int nodesCount = 0, waysCount = 0, relationsCount = 0;
while ((info = reader.Read()) != null) {
switch (info.EntityType) {
case EntityType.Node: nodesCount++; break;
case EntityType.Way: waysCount++; break;
case EntityType.Relation: relationsCount++; break;
}
}
Assert.Equal(TestFileNodesCount, nodesCount);
Assert.Equal(TestFileWaysCount, waysCount);
Assert.Equal(TestFileRelationsCount, relationsCount);
}
/// <summary>
/// Creates a new instaance of the OsmDatabase class and loads data from specific IOsmReader into it.
/// </summary>
/// <param name="reader">The IOsmReader to read data from.</param>
/// <param name="ignoreReferentialErrors">A value indicatings whether Load function should skip geometries that reference miising geometries.</param>
/// <returns>New instance of the OsmDatabase class with data loaded from specified reader.</returns>
public static OsmGeometryDatabase Load(IOsmReader reader, bool ignoreReferentialErrors)
{
OsmGeometryDatabase db = new OsmGeometryDatabase();
List <RelationInfo> relations = new List <RelationInfo>();
IEntityInfo entityInfo = null;
while ((entityInfo = reader.Read()) != null)
{
switch (entityInfo.EntityType)
{
case EntityType.Node: db.Nodes.Add(Node.FromNodeInfo(entityInfo as NodeInfo)); break;
case EntityType.Way:
Way toAdd = Way.FromWayInfo(entityInfo as WayInfo, db, !ignoreReferentialErrors);
if (toAdd == null)
{
if (!ignoreReferentialErrors)
{
throw new ArgumentException(string.Format("Way (ID = {0}) references missing node.", entityInfo.ID));
}
}
else
{
db.Ways.Add(toAdd);
}
break;
case EntityType.Relation:
RelationInfo ri = entityInfo as RelationInfo;
db.Relations.Add(new Relation(ri.ID)
{
Tags = ri.Tags, Metadata = ri.Metadata
});
relations.Add(ri);
break;
}
}
foreach (var relationInfo in relations)
{
Relation relation = db.Relations[relationInfo.ID];
foreach (var memberInfo in relationInfo.Members)
{
RelationMember member = RelationMember.FromRelationMemberInfo(memberInfo, db, false);
if (member == null)
{
if (!ignoreReferentialErrors)
{
throw new ArgumentException(string.Format("Relation (ID = {0}) references missing OSM entity.", memberInfo.Reference));
}
db.Relations.Remove(relation);
}
else
{
relation.Geometries.Add(member);
}
}
}
return(db);
}