private void ResetBBoxes()
{
foreach (var way in osmData.osmWays.Values)
{
SpatialUtilities.SetBboxFor(way);
way.SetCenter();
}
}
// <relation id = "1084743" version="2" timestamp="2015-05-30T03:46:23Z" changeset="31576221" uid="2311536" user="******">
// <member type = "way" ref="69127471" role="outer"/>
// <member type = "way" ref="69127440" role="inner"/>
// <tag k = "building" v="yes"/>
// <tag k = "type" v="multipolygon"/>
//</relation>
private void HandlRelationRead(XmlReader reader)
{
var osmRelation = new OSMRelation();
osmRelation.ID = Convert.ToInt64(reader.GetAttribute("id"));
var doc = new System.Xml.XmlDocument();
XmlNode node = doc.ReadNode(reader);
foreach (XmlAttribute attr in node.Attributes)
{
osmRelation.InnerAttributes.Add(attr.Name, attr.Value);
}
if (node.HasChildNodes)
{
var members = node.SelectNodes("member");
foreach (XmlNode member in members)
{
var relationType = member.Attributes["type"].Value;
var id = Convert.ToInt64(member.Attributes["ref"].Value);
var role = member.Attributes["role"].Value;
var osmMember = new RelationMember();
osmMember.MemberType = relationType;
osmMember.Ref = id;
osmMember.Role = role;
osmRelation.Members.Add(osmMember);
if (relationType == "way")
{
if (osmWays.ContainsKey(id))
{
osmRelation.OSMWays.Add(osmWays[id]);
}
}
}
var tags = node.SelectNodes("tag");
foreach (XmlNode tag in tags)
{
var key = tag.Attributes["k"].Value;
var val = tag.Attributes["v"].Value;
osmRelation.Tags.Add(key, val);
}
}
var bbox = new BBox();
foreach (var way in osmRelation.OSMWays)
{
bbox = SpatialUtilities.BboxUnion(bbox, way.Bbox);
}
osmRelation.Bbox = bbox;
osmRelation.SetCenter();
osmRelations.Add(osmRelation.ID, osmRelation);
}
public BBox OuterBbox()
{
var bbox = new BBox();
foreach (var node in osmNodes.Values)
{
bbox = SpatialUtilities.BboxUnion(bbox, node);
}
return(bbox);
}
//<way id = "4526699" version="9" timestamp="2016-09-15T08:28:48Z" uid="1745400" user="******" changeset="42167009">
// <nd ref="28099395"/>
// <nd ref="1583440533"/>
// <nd ref="299356652"/>
// <nd ref="28099387"/>
// <nd ref="1583440406"/>
// <nd ref="28099388"/>
// <nd ref="28099389"/>
// <nd ref="28099390"/>
// <tag k = "highway" v="primary_link"/>
// <tag k = "oneway" v="yes"/>
//</way>
private void HandleWayRead(XmlReader reader)
{
var osmWay = new OSMWay();
osmWay.ID = Convert.ToInt64(reader.GetAttribute("id"));
var doc = new System.Xml.XmlDocument();
XmlNode node = doc.ReadNode(reader);
foreach (XmlAttribute attr in node.Attributes)
{
osmWay.InnerAttributes.Add(attr.Name, attr.Value);
}
if (node.HasChildNodes)
{
var nodeRefs = node.SelectNodes("nd");
foreach (XmlNode osmNode in nodeRefs)
{
var id = Convert.ToInt64(osmNode.Attributes["ref"].Value);
if (osmNodes.ContainsKey(id))
{
osmWay.NodeList.Add(osmNodes[id]);
}
}
var tags = node.SelectNodes("tag");
foreach (XmlNode tag in tags)
{
var key = tag.Attributes["k"].Value;
var val = tag.Attributes["v"].Value;
osmWay.Tags.Add(key, val);
}
}
SpatialUtilities.SetBboxFor(osmWay);
osmWay.SetCenter();
osmWays.Add(osmWay.ID, osmWay);
}