private void SetGeometryProperties(Relation relation)
{
var relationHasInterestingTags = _tagClassifier.AreInteresting(relation.Tags, new Dictionary <string, object> {
{ "type", "anything" }
}, false);
relation.HasInterestingTags = relationHasInterestingTags;
var outerCount = relation.Members.Count(m => m.Role == "outer");
relation.IsSimpleMultiPolygon = outerCount == 1 && !relationHasInterestingTags;
foreach (var member in relation.Members)
{
if (member.Type == "way")
{
if (!relation.ResolvedWays.ContainsKey(member.Ref))
{
relation.IsGeometryIncomplete = true;
continue;
}
var way = relation.ResolvedWays[member.Ref];
way.IsReferencedByARelation = true;
var memberTags = way.Tags;
if (member.Role == "outer" && !_tagClassifier.AreInteresting(memberTags, relation.Tags))
{
way.IsMultipolygonOutline = true;
}
if (member.Role == "inner" && !_tagClassifier.AreInteresting(memberTags, relation.Tags))
{
way.IsMultipolygonOutline = true;
}
if (member.Role == "inner" && relation.ResolvedWays.Values.All(x => x.RoleInRelation != "outer"))
{
way.IsAnInnerWithoutAnOuter = true;
}
if (relation.IsSimpleMultiPolygon)
{
way.IsMultipolygonOutline = true;
}
}
if (member.Type == "node")// && !relation.IsMultiPolygon)
{
// This relation won't be rendered as it's not tagged as a MultiPolygon, however thit node may be important
// so set this flag to force the node to be rendered
var node = relation.ResolvedNodes[member.Ref];
node.IsReferencedByARelation = true;
}
}
if (relation.ResolvedWays.Values.Any(x => x.IsGeometryIncomplete) ||
relation.ResolvedNodes.Values.Any(x => x.IsGeometryIncomplete))
{
relation.IsGeometryIncomplete = true;
}
}
private void SetInterestingTags(IEnumerable <Node> nodes)
{
foreach (var node in nodes)
{
if (node.Tags != null && _tagClassifier.AreInteresting(node.Tags))
{
node.HasInterestingTags = true;
}
}
}
private void SetInterestingTags(IEnumerable <Way> ways)
{
foreach (var way in ways)
{
if (way.Tags != null && _tagClassifier.AreInteresting(way.Tags, way.Parent != null ? way.Parent.Tags : new Dictionary <string, object>()))
{
way.HasInterestingTags = true;
}
}
}