/// <summary>
/// Decodes the block.
/// </summary>
public static bool Decode(this PrimitiveBlock block, IPBFOsmPrimitiveConsumer primitivesConsumer,
bool ignoreNodes, bool ignoreWays, bool ignoreRelations)
{
var success = false;
if (block.primitivegroup != null)
{
foreach (var primitivegroup in block.primitivegroup)
{
if (!ignoreNodes && primitivegroup.dense != null)
{
int keyValsIdx = 0;
long currentId = 0;
long currentLat = 0;
long currentLon = 0;
long currentChangeset = 0;
long currentTimestamp = 0;
int currentUid = 0;
int currentUserSid = 0;
int currentVersion = 0;
for (int idx = 0; idx < primitivegroup.dense.id.Count; idx++)
{
// do the delta decoding stuff.
currentId = currentId +
primitivegroup.dense.id[idx];
currentLat = currentLat +
primitivegroup.dense.lat[idx];
currentLon = currentLon +
primitivegroup.dense.lon[idx];
if (primitivegroup.dense.denseinfo != null)
{ // add all the metadata.
currentChangeset = currentChangeset +
primitivegroup.dense.denseinfo.changeset[idx];
currentTimestamp = currentTimestamp +
primitivegroup.dense.denseinfo.timestamp[idx];
currentUid = currentUid +
primitivegroup.dense.denseinfo.uid[idx];
currentUserSid = currentUserSid +
primitivegroup.dense.denseinfo.user_sid[idx];
currentVersion = currentVersion +
primitivegroup.dense.denseinfo.version[idx];
}
var node = new Node();
node.id = currentId;
node.info = new Info();
node.info.changeset = currentChangeset;
node.info.timestamp = (int)currentTimestamp;
node.info.uid = currentUid;
node.info.user_sid = currentUserSid;
node.info.version = currentVersion;
node.lat = currentLat;
node.lon = currentLon;
// get the keys/vals.
var keyVals = primitivegroup.dense.keys_vals;
while (keyVals.Count > keyValsIdx &&
keyVals[keyValsIdx] != 0)
{
node.keys.Add((uint)keyVals[keyValsIdx]);
keyValsIdx++;
node.vals.Add((uint)keyVals[keyValsIdx]);
keyValsIdx++;
}
keyValsIdx++;
success = true;
primitivesConsumer.ProcessNode(block, node);
}
}
else
{
if (!ignoreNodes && primitivegroup.nodes != null)
{
foreach (var node in primitivegroup.nodes)
{
success = true;
primitivesConsumer.ProcessNode(block, node);
}
}
if (!ignoreWays && primitivegroup.ways != null)
{
foreach (var way in primitivegroup.ways)
{
success = true;
primitivesConsumer.ProcessWay(block, way);
}
}
if (!ignoreRelations && primitivegroup.relations != null)
{
foreach (var relation in primitivegroup.relations)
{
success = true;
primitivesConsumer.ProcessRelation(block, relation);
}
}
}
}
}
return success;
}
public void TestDecodeNode()
{
var block = new PrimitiveBlock();
block.date_granularity = 1000;
block.granularity = 100;
block.lat_offset = 0;
block.lon_offset = 0;
block.stringtable = new StringTable();
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes(string.Empty)); // always encode empty string as '0'.
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("highway"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("residential"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("Ben"));
var pbfNode = new Node()
{
id = 1,
info = new Info()
{
changeset = 10,
timestamp = 10,
uid = 100,
user_sid = 3,
version = 2
},
lat = Encoder.EncodeLatLon(10.9, block.lat_offset, block.granularity),
lon = Encoder.EncodeLatLon(11.0, block.lat_offset, block.granularity)
};
pbfNode.keys.Add(1);
pbfNode.vals.Add(2);
var node = Encoder.DecodeNode(block, pbfNode);
Assert.IsNotNull(node);
Assert.AreEqual(1, node.Id);
Assert.AreEqual(10, node.ChangeSetId);
Assert.AreEqual(10.9, node.Latitude);
Assert.AreEqual(11.0, node.Longitude);
Assert.AreEqual(Utilities.FromUnixTime(10000), node.TimeStamp);
Assert.AreEqual(OsmSharp.Osm.OsmGeoType.Node, node.Type);
Assert.AreEqual(100, node.UserId);
Assert.AreEqual("Ben", node.UserName);
Assert.AreEqual(2, node.Version);
}
public void ProcessNode(PrimitiveBlock block, Node node)
{
this.Nodes.Add(node);
}
public void TestDecodeBlockWithNode()
{
var block = new PrimitiveBlock();
block.date_granularity = 1000;
block.granularity = 100;
block.lat_offset = 0;
block.lon_offset = 0;
block.stringtable = new StringTable();
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("highway"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("residential"));
block.stringtable.s.Add(System.Text.Encoding.UTF8.GetBytes("Ben"));
var node = new Node()
{
id = 1,
info = new Info()
{
changeset = 10,
timestamp = 10,
uid = 100,
user_sid = 2,
version = 2
},
lat = Encoder.EncodeLatLon(10.9, block.lat_offset, block.granularity),
lon = Encoder.EncodeLatLon(11.0, block.lat_offset, block.granularity)
};
node.keys.Add(0);
node.vals.Add(1);
var primitiveGroup = new PrimitiveGroup();
primitiveGroup.nodes.Add(node);
block.primitivegroup.Add(primitiveGroup);
var primitivesConsumer = new PrimitivesConsumerMock();
block.Decode(primitivesConsumer, false, false, false);
Assert.AreEqual(1, primitivesConsumer.Nodes.Count);
Assert.AreEqual(0, primitivesConsumer.Ways.Count);
Assert.AreEqual(0, primitivesConsumer.Relations.Count);
}
