private bool isBuildingRelation(Relation r)
{
for(int k=0 ; k < r.tags.Count ; k++)
{
if (r.tags[k].k == "building")
return true;
}
return false;
}
private Relation readRelation(XmlNode relation)
{
Relation r = new Relation();
r.id = relation.Attributes[0].Value;
r.members = new List<Member>();
r.tags = new List<Tag>();
foreach(XmlNode child in relation.ChildNodes)
{
if (child.Name == "member")
{
Member mem = new Member();
foreach(XmlAttribute a in child.Attributes)
{
if (a.Name == "type")
mem.type = a.Value;
else if (a.Name == "ref")
mem.ref_ = a.Value;
else if (a.Name == "role")
mem.role = a.Value;
}
r.members.Add(mem);
}
else if (child.Name == "tag")
r.tags.Add(readTag(child));
}
return r;
}
private BuildingRelation generateBuildingRelation(Relation relation)
{
BuildingRelation buildingRelation = new BuildingRelation();
buildingRelation.tags = relation.tags;
buildingRelation.innerHoles = new List<Way>();
for (int k = 0; k < relation.members.Count; k++)
{
for(int j=0 ; j < wayList.Count ; j++)
{
if (relation.members[k].ref_ == wayList[j].id)
{
if (relation.members[k].role == "inner")
{
buildingRelation.innerHoles.Add(wayList[j]);
buildingRelation.id = wayList[j].id;
}
else if (relation.members[k].role == "outer")
buildingRelation.outerWall = wayList[j];
}
}
}
for (int k = 0; k < relation.tags.Count; k++)
{
if (relation.tags[k].k == "building:levels")
buildingRelation.buildingHeight = float.Parse(relation.tags[k].v) * 3.0f;
}
return buildingRelation;
}