public override bool IsPotentiallyArea(TagsCollectionBase tags)
{
if (tags == null || tags.Count == 0)
{
return(false);
}
bool flag = false;
if (tags.ContainsKey("building") && !tags.IsFalse("building") || tags.ContainsKey("landuse") && !tags.IsFalse("landuse") || (tags.ContainsKey("amenity") && !tags.IsFalse("amenity") || tags.ContainsKey("harbour") && !tags.IsFalse("harbour")) || (tags.ContainsKey("historic") && !tags.IsFalse("historic") || tags.ContainsKey("leisure") && !tags.IsFalse("leisure") || (tags.ContainsKey("man_made") && !tags.IsFalse("man_made") || tags.ContainsKey("military") && !tags.IsFalse("military"))) || (tags.ContainsKey("natural") && !tags.IsFalse("natural") || tags.ContainsKey("office") && !tags.IsFalse("office") || (tags.ContainsKey("place") && !tags.IsFalse("place") || tags.ContainsKey("power") && !tags.IsFalse("power")) || (tags.ContainsKey("public_transport") && !tags.IsFalse("public_transport") || tags.ContainsKey("shop") && !tags.IsFalse("shop") || (tags.ContainsKey("sport") && !tags.IsFalse("sport") || tags.ContainsKey("tourism") && !tags.IsFalse("tourism")))) || (tags.ContainsKey("waterway") && !tags.IsFalse("waterway") || tags.ContainsKey("wetland") && !tags.IsFalse("wetland") || (tags.ContainsKey("water") && !tags.IsFalse("water") || tags.ContainsKey("aeroway") && !tags.IsFalse("aeroway"))))
{
flag = true;
}
string str;
if (tags.TryGetValue("type", out str))
{
if (str == "multipolygon")
{
flag = true;
}
else if (str == "boundary")
{
flag = true;
}
}
if (tags.IsTrue("area"))
{
flag = true;
}
else if (tags.IsFalse("area"))
{
flag = false;
}
return(flag);
}
/// <summary>
/// Returns true if the given tags collection contains tags that could represents an area.
/// </summary>
public override bool IsPotentiallyArea(TagsCollectionBase tags)
{
if (tags == null || tags.Count == 0)
{
return(false);
} // no tags, assume no area.
bool isArea = false;
if ((tags.ContainsKey("building") && !tags.IsFalse("building")) ||
(tags.ContainsKey("landuse") && !tags.IsFalse("landuse")) ||
(tags.ContainsKey("amenity") && !tags.IsFalse("amenity")) ||
(tags.ContainsKey("harbour") && !tags.IsFalse("harbour")) ||
(tags.ContainsKey("historic") && !tags.IsFalse("historic")) ||
(tags.ContainsKey("leisure") && !tags.IsFalse("leisure")) ||
(tags.ContainsKey("man_made") && !tags.IsFalse("man_made")) ||
(tags.ContainsKey("military") && !tags.IsFalse("military")) ||
(tags.ContainsKey("natural") && !tags.IsFalse("natural")) ||
(tags.ContainsKey("office") && !tags.IsFalse("office")) ||
(tags.ContainsKey("place") && !tags.IsFalse("place")) ||
(tags.ContainsKey("power") && !tags.IsFalse("power")) ||
(tags.ContainsKey("public_transport") && !tags.IsFalse("public_transport")) ||
(tags.ContainsKey("shop") && !tags.IsFalse("shop")) ||
(tags.ContainsKey("sport") && !tags.IsFalse("sport")) ||
(tags.ContainsKey("tourism") && !tags.IsFalse("tourism")) ||
(tags.ContainsKey("waterway") && !tags.IsFalse("waterway") && !tags.Contains("waterway", "river") && !tags.Contains("waterway", "stream")) ||
(tags.ContainsKey("wetland") && !tags.IsFalse("wetland")) ||
(tags.ContainsKey("water") && !tags.IsFalse("water")) ||
(tags.ContainsKey("aeroway") && !tags.IsFalse("aeroway")))
{
isArea = true;
}
string typeValue;
if (tags.TryGetValue("type", out typeValue))
{ // there is a type in this relation.
if (typeValue == "multipolygon")
{ // this relation is a multipolygon.
isArea = true;
}
else if (typeValue == "boundary")
{ // this relation is a boundary.
isArea = true;
}
}
if (tags.IsTrue("area"))
{ // explicitly indicated that this is an area.
isArea = true;
}
else if (tags.IsFalse("area"))
{ // explicitly indicated that this is not an area.
isArea = false;
}
return(isArea);
}
protected bool TryGetHighwayType(TagsCollectionBase tags, out string highwayType)
{
highwayType = string.Empty;
if (tags != null)
{
return(tags.TryGetValue("highway", out highwayType));
}
return(false);
}
public static bool IsFalse(this TagsCollectionBase tags, string tagKey)
{
string str;
if (tags == null || string.IsNullOrWhiteSpace(tagKey) || !tags.TryGetValue(tagKey, out str))
{
return(false);
}
return(((IEnumerable <string>)TagExtensions.BooleanFalseValues).Contains <string>(str.ToLowerInvariant()));
}
/// <summary>
/// Returns true if the edge with the given tags is only accessible locally.
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
public bool IsOnlyLocalAccessible(TagsCollectionBase tags)
{
string tag;
if (tags.TryGetValue("highway", out tag))
{
if (tag == "service")
{
return true;
}
}
if (tags.TryGetValue("access", out tag))
{
if (tag == "private" || tag == "official")
{
return true;
}
}
return false;
}
/// <summary>
/// Searches for a max width tag and returns the associated value.
///
/// http://wiki.openstreetmap.org/wiki/Key:maxwidth
/// </summary>
/// <param name="tags">The tags to search.</param>
/// <param name="result"></param>
/// <returns></returns>
public static bool TryGetMaxWidth(this TagsCollectionBase tags, out Meter result)
{
result = double.MaxValue;
string tagValue;
if (tags == null || !tags.TryGetValue("maxwidth", out tagValue) || Utilities.IsNullOrWhiteSpace(tagValue))
{
return(false);
}
return(TagExtensions.TryParseLength(tagValue, out result));
}
internal static void ContainsTags(TagsCollectionBase tags, params string[] keys)
{
foreach (var key in keys)
{
if (!tags.TryGetValue(key, out string value) ||
string.IsNullOrEmpty(value))
{
throw new ArgumentException($"TagCollection is missing the required key: {key}");
}
}
}
/// <summary>
/// Returns true if the given tags key has an associated value that can be interpreted as false.
/// </summary>
/// <param name="tags"></param>
/// <param name="tagKey"></param>
/// <returns></returns>
public static bool IsFalse(this TagsCollectionBase tags, string tagKey)
{
if (tags == null || Utilities.IsNullOrWhiteSpace(tagKey))
{
return(false);
}
string tagValue;
return(tags.TryGetValue(tagKey, out tagValue) &&
BooleanFalseValues.Contains(tagValue.ToLowerInvariant()));
}
public static bool?InterpretAccessValue(this TagsCollectionBase tags, string key)
{
string key1;
bool? nullable;
if (tags.TryGetValue(key, out key1) && VehicleExtensions.GetAccessValues().TryGetValue(key1, out nullable))
{
return(nullable);
}
return(new bool?());
}
/// <summary>
/// Returns true if the edge with the given tags is only accessible locally.
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
public bool IsOnlyLocalAccessible(TagsCollectionBase tags)
{
string tag;
if (tags.TryGetValue("highway", out tag))
{
if (tag == "service")
{
return(true);
}
}
if (tags.TryGetValue("access", out tag))
{
if (tag == "private" || tag == "official")
{
return(true);
}
}
return(false);
}
public static bool TryGetMaxWeight(this TagsCollectionBase tags, out Kilogram result)
{
result = (Kilogram)double.MaxValue;
string s;
if (tags == null || !tags.TryGetValue("maxweight", out s) || string.IsNullOrWhiteSpace(s))
{
return(false);
}
return(TagExtensions.TryParseWeight(s, out result));
}
public static bool TryGetMaxSpeed(this TagsCollectionBase tags, out KilometerPerHour result)
{
result = (KilometerPerHour)double.MaxValue;
string s;
if (tags == null || !tags.TryGetValue("maxspeed", out s) || (string.IsNullOrWhiteSpace(s) || s == "none") || (s == "signals" || s == "signs" || s == "no"))
{
return(false);
}
return(TagExtensions.TryParseSpeed(s, out result));
}
/// <summary>
/// Searches for a max axle load tag and returns the associated value.
///
/// http://wiki.openstreetmap.org/wiki/Key:maxaxleload
/// </summary>
/// <param name="tags">The tags to search.</param>
/// <param name="result"></param>
/// <returns></returns>
public static bool TryGetMaxAxleLoad(this TagsCollectionBase tags, out Kilogram result)
{
result = double.MaxValue;
string tagValue;
if (tags == null || !tags.TryGetValue("maxaxleload", out tagValue) || Utilities.IsNullOrWhiteSpace(tagValue))
{
return(false);
}
return(TagExtensions.TryParseWeight(tagValue, out result));
}
public static bool TryGetMaxHeight(this TagsCollectionBase tags, out Meter result)
{
result = (Meter)double.MaxValue;
string s;
if (tags == null || !tags.TryGetValue("maxheight", out s) || string.IsNullOrWhiteSpace(s))
{
return(false);
}
return(TagExtensions.TryParseLength(s, out result));
}
/// <summary>
/// Searches for a maxspeed tag and returns the associated value.
///
/// http://wiki.openstreetmap.org/wiki/Key:maxspeed
/// </summary>
/// <param name="tags">The tags to search.</param>
/// <param name="result"></param>
/// <returns></returns>
public static bool TryGetMaxSpeed(this TagsCollectionBase tags, out KilometerPerHour result)
{
result = double.MaxValue;
string tagValue;
if (tags == null || !tags.TryGetValue("maxspeed", out tagValue) || Utilities.IsNullOrWhiteSpace(tagValue) ||
tagValue == "none" || tagValue == "signals" || tagValue == "signs" || tagValue == "no")
{
return(false);
}
return(TagExtensions.TryParseSpeed(tagValue, out result));
}
public static void AddOrAppend(this TagsCollectionBase tags, string key, params string[] newValues)
{
if (tags.TryGetValue(key, out var oldValue))
{
foreach (var newValue in newValues.Where(n => !oldValue.Contains(n)))
{
tags[key] += ";" + newValue;
}
}
else
{
tags.Add(key, string.Join(";", newValues));
}
}
//private const string REGEX_UNIT_KILOMETERS_PER_HOUR = @"\s*(kmh|km/h|kph)?\s*";
//private const string REGEX_UNIT_MILES_PER_HOUR = @"\s*(mph)?\s*";
/// <summary>
/// Returns true if the given tags key has an associated value that can be interpreted as true.
/// </summary>
/// <param name="tags"></param>
/// <param name="tagKey"></param>
/// <returns></returns>
public static bool IsTrue(this TagsCollectionBase tags, string tagKey)
{
if (tags == null || Utilities.IsNullOrWhiteSpace(tagKey))
{
return(false);
}
// TryGetValue tests if the 'tagKey' is present, returns true if the associated value can be interpreted as true.
// returns false if the associated value can be interpreted as false.
string tagValue;
return(tags.TryGetValue(tagKey, out tagValue) &&
BooleanTrueValues.Contains(tagValue.ToLowerInvariant()));
}
/// <summary>
/// Returns true if the edge is one way forward, false if backward, null if bidirectional.
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
public virtual bool?IsOneWay(TagsCollectionBase tags)
{
string oneway;
if (tags.TryGetValue("oneway", out oneway))
{
if (oneway == "yes")
{
return(true);
}
return(false);
}
string junction;
if (tags.TryGetValue("junction", out junction))
{
if (junction == "roundabout")
{
return(true);
}
}
return(null);
}
public override bool?IsOneWay(TagsCollectionBase tags)
{
string str1;
if (tags.TryGetValue("oneway:bicycle", out str1))
{
if (str1 == "yes")
{
return(new bool?(true));
}
if (str1 == "no")
{
return(new bool?());
}
return(new bool?(false));
}
if (tags.TryGetValue("oneway", out str1))
{
if (str1 == "yes")
{
return(new bool?(true));
}
if (str1 == "no")
{
return(new bool?());
}
return(new bool?(false));
}
string str2;
if (tags.TryGetValue("junction", out str2) && str2 == "roundabout")
{
return(new bool?(true));
}
return(new bool?());
}
public static string GetAccessTag(this TagsCollectionBase tags, IEnumerable <string> accessTagHierachy)
{
if (tags == null)
{
return((string)null);
}
foreach (string key in accessTagHierachy)
{
string str;
if (tags.TryGetValue(key, out str))
{
return(str);
}
}
return((string)null);
}
/// <summary>
/// Searches for the tags collection for the <c>Access</c>-Tags and returns the associated values.
///
/// http://wiki.openstreetmap.org/wiki/Key:access
/// </summary>
/// <param name="tags">The tags to search.</param>
/// <param name="accessTagHierachy">The hierarchy of <c>Access</c>-Tags for different vehicle types.</param>
/// <returns>The best fitting value is returned.</returns>
public static string GetAccessTag(this TagsCollectionBase tags, IEnumerable <string> accessTagHierachy)
{
if (tags == null)
{
return(null);
}
foreach (string s in accessTagHierachy)
{
string access;
if (tags.TryGetValue(s, out access))
{
return(access);
}
}
return(null);
}
/// <summary>
/// Returns true if the edge is a suitable candidate as a target for a point to be resolved on.
/// </summary>
/// <param name="vehicle"></param>
/// <param name="pointTags"></param>
/// <param name="edgeTags"></param>
/// <returns></returns>
public bool MatchWithEdge(Vehicle vehicle,
TagsCollectionBase pointTags, TagsCollectionBase edgeTags)
{
if (pointTags == null || pointTags.Count == 0)
{ // when the point has no tags it has no requirements.
return true;
}
if (edgeTags == null || edgeTags.Count == 0)
{ // when the edge has no tags, no way to verify.
return false;
}
string pointName, edgeName;
if (pointTags.TryGetValue("name", out pointName) &&
edgeTags.TryGetValue("name", out edgeName))
{ // both have names.
return (pointName == edgeName);
}
return false;
}
/// <summary>
/// Returns true if the edge is a suitable candidate as a target for a point to be resolved on.
/// </summary>
/// <param name="vehicle"></param>
/// <param name="pointTags"></param>
/// <param name="edgeTags"></param>
/// <returns></returns>
public bool MatchWithEdge(Vehicle vehicle,
TagsCollectionBase pointTags, TagsCollectionBase edgeTags)
{
if (pointTags == null || pointTags.Count == 0)
{ // when the point has no tags it has no requirements.
return(true);
}
if (edgeTags == null || edgeTags.Count == 0)
{ // when the edge has no tags, no way to verify.
return(false);
}
string pointName, edgeName;
if (pointTags.TryGetValue("name", out pointName) &&
edgeTags.TryGetValue("name", out edgeName))
{ // both have names.
return(pointName.LevenshteinMatch(edgeName, 90));
}
return(false);
}
/// <summary>
/// Returns true if the given tags collection contains tags that could represents an area. waterway=river or waterway=stream could be potential false positives,
/// but can't be confirmed without the actual geometry or the area=* tag set to true or false.
/// </summary>
public bool IsPotentiallyArea(TagsCollectionBase tags)
{
if (tags == null || tags.Count == 0)
{
return(false); // no tags, assume no area.
}
if (tags.IsTrue("area"))
{
return(true);
}
else if (tags.IsFalse("area"))
{
return(false);
}
bool isArea = false;
if (tags.ContainsAnyKey(areaTags))
{
isArea = true;
}
if (tags.TryGetValue("type", out var typeValue))
{
switch (typeValue)
{
// there is a type in this relation.
case "multipolygon":
// this relation is a boundary.
case "boundary": // this relation is a multipolygon.
isArea = true;
break;
}
}
return(isArea);
}
/// <summary>
/// Returns true if the given tags collection contains tags that could represents an area.
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
public override bool IsPotentiallyArea(TagsCollectionBase tags)
{
if (tags == null || tags.Count == 0) { return false; } // no tags, assume no area.
bool isArea = false;
if ((tags.ContainsKey("building") && !tags.IsFalse("building")) ||
(tags.ContainsKey("landuse") && !tags.IsFalse("landuse")) ||
(tags.ContainsKey("amenity") && !tags.IsFalse("amenity")) ||
(tags.ContainsKey("harbour") && !tags.IsFalse("harbour")) ||
(tags.ContainsKey("historic") && !tags.IsFalse("historic")) ||
(tags.ContainsKey("leisure") && !tags.IsFalse("leisure")) ||
(tags.ContainsKey("man_made") && !tags.IsFalse("man_made")) ||
(tags.ContainsKey("military") && !tags.IsFalse("military")) ||
(tags.ContainsKey("natural") && !tags.IsFalse("natural")) ||
(tags.ContainsKey("office") && !tags.IsFalse("office")) ||
(tags.ContainsKey("place") && !tags.IsFalse("place")) ||
(tags.ContainsKey("power") && !tags.IsFalse("power")) ||
(tags.ContainsKey("public_transport") && !tags.IsFalse("public_transport")) ||
(tags.ContainsKey("shop") && !tags.IsFalse("shop")) ||
(tags.ContainsKey("sport") && !tags.IsFalse("sport")) ||
(tags.ContainsKey("tourism") && !tags.IsFalse("tourism")) ||
(tags.ContainsKey("waterway") && !tags.IsFalse("waterway")) ||
(tags.ContainsKey("wetland") && !tags.IsFalse("wetland")) ||
(tags.ContainsKey("water") && !tags.IsFalse("water")) ||
(tags.ContainsKey("aeroway") && !tags.IsFalse("aeroway")))
{ // these tags usually indicate an area.
isArea = true;
}
string typeValue;
if (tags.TryGetValue("type", out typeValue))
{ // there is a type in this relation.
if (typeValue == "multipolygon")
{ // this relation is a multipolygon.
isArea = true;
}
else if (typeValue == "boundary")
{ // this relation is a boundary.
isArea = true;
}
}
if (tags.IsTrue("area"))
{ // explicitly indicated that this is an area.
isArea = true;
}
else if (tags.IsFalse("area"))
{ // explicitly indicated that this is not an area.
isArea = false;
}
return isArea;
}
/// <summary>
/// The actual conflation.
/// Returns true if conflation is finished and this grbPoly has been matched
/// </summary>
private static bool AttemptConflate(Geometry grbPoly, Geometry osmPoly, TagsCollectionBase grbTags,
ICompleteOsmGeo osmObj, EasyChangeset cs)
{
// Is there geographical match?
if (Math.Abs(osmPoly.Centroid.Distance(grbPoly.Centroid)) > 0.000001)
{
return(false);
}
if (osmPoly.Difference(grbPoly).Area > 0.000000001)
{
return(false);
}
if (grbPoly.Difference(osmPoly).Area > 0.000000001)
{
return(false);
}
if (grbTags == null)
{
Console.WriteLine("PANIC for grb object " + grbPoly);
return(false);
}
if (osmObj.Tags.TryGetValue("building", out var osmBuildingValue))
{
if (osmBuildingValue.Equals("yes"))
{
osmObj.Tags.RemoveKey("building");
}
else
{
grbTags.TryGetValue("building", out var grbBuildingValue);
if (grbBuildingValue == null)
{
Console.WriteLine("GRB Building value is null");
}
else if (osmBuildingValue != grbBuildingValue)
{
if (!grbBuildingValue.Equals("yes"))
{
Console.WriteLine(
$"Preferring OSM building-tag '{osmBuildingValue}' over the grb tag '{grbBuildingValue}'");
}
grbTags.RemoveKey("building");
}
}
}
if (osmObj.Tags.TryGetValue("source:geometry:ref", out var osmSourceRef))
{
grbTags.TryGetValue("source:geometry:ref", out var grbRef);
if (!osmSourceRef.Equals(grbRef))
{
throw new Exception($"MISMATCH for {osmObj}: {osmSourceRef} != {grbRef}");
}
osmObj.Tags.RemoveKey("source:geometry:date");
}
if (osmObj.Tags.TryGetValue("addr:housenumber", out var osmHouseNumber))
{
grbTags.TryGetValue("addr:housenumber", out var grbHouseNumber);
if (!osmHouseNumber.Equals(grbHouseNumber))
{
grbTags.RemoveKey("addr:housenumber");
var msg = "GRB thinks that this has number " +
(string.IsNullOrEmpty(grbHouseNumber) ? "no number" : grbHouseNumber);
Console.WriteLine(
$"GRB and OSM disagree over housenumber of {osmObj}. Putting a fixme instead: grb: {grbHouseNumber} != osm {osmHouseNumber}");
if (grbTags.ContainsKey("fixme"))
{
msg += ";" + grbTags.GetValue("fixme");
}
grbTags.AddOrReplace("fixme", msg);
}
}
if (osmObj.Tags.TryGetValue("addr:street", out var osmStreet))
{
grbTags.TryGetValue("addr:street", out var grbStreet);
if (!string.IsNullOrEmpty(grbStreet) && !osmStreet.Equals(grbStreet))
{
grbTags.RemoveKey("addr:street");
var msg = "GRB thinks that this lays in street " + grbStreet;
Console.WriteLine(
$"GRB and OSM disagree over streetname of {osmObj}. Putting a fixme instead: grb: {grbStreet} != osm {osmStreet}");
if (grbTags.ContainsKey("fixme"))
{
msg += ";" + grbTags.GetValue("fixme");
}
grbTags.AddOrReplace("fixme", msg);
}
}
try
{
foreach (var grbTag in grbTags)
{
if (grbTag.Key.Contains("wrong"))
{
continue;
}
osmObj.AddNewTag(grbTag.Key, grbTag.Value);
}
cs.AddChange(osmObj);
}
catch (Exception e)
{
Console.WriteLine($"{osmObj}: {e.Message}: skipping match");
}
return(true);
}
/// <summary>
/// Trys to return the highwaytype from the tags
/// </summary>
/// <param name="tags"></param>
/// <param name="highwayType"></param>
/// <returns></returns>
protected bool TryGetHighwayType(TagsCollectionBase tags, out string highwayType)
{
return(tags.TryGetValue("highway", out highwayType));
}
/// <summary>
/// Returns true if the edge with the given properties represents a roundabout.
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
public bool IsRoundabout(TagsCollectionBase tags)
{
string junction;
return(tags != null && tags.TryGetValue("junction", out junction) && junction == "roundabout");
}
/// <summary>
/// Tries to match the given tags and figure out a corresponding frc and fow.
/// </summary>
/// <param name="tags"></param>
/// <param name="frc"></param>
/// <param name="fow"></param>
/// <returns>False if no matching was found.</returns>
public override bool TryMatching(TagsCollectionBase tags, out FunctionalRoadClass frc, out FormOfWay fow)
{
frc = FunctionalRoadClass.Frc7;
fow = FormOfWay.Undefined;
string highway;
if (tags.TryGetValue("highway", out highway))
{
switch (highway)
{ // check there reference values against OSM: http://wiki.openstreetmap.org/wiki/Highway
case "motorway":
case "trunk":
frc = FunctionalRoadClass.Frc0;
break;
case "primary":
case "primary_link":
frc = FunctionalRoadClass.Frc1;
break;
case "secondary":
case "secondary_link":
frc = FunctionalRoadClass.Frc2;
break;
case "tertiary":
case "tertiary_link":
frc = FunctionalRoadClass.Frc3;
break;
case "road":
case "road_link":
case "unclassified":
case "residential":
frc = FunctionalRoadClass.Frc4;
break;
case "living_street":
frc = FunctionalRoadClass.Frc5;
break;
default:
frc = FunctionalRoadClass.Frc7;
break;
}
switch (highway)
{ // check there reference values against OSM: http://wiki.openstreetmap.org/wiki/Highway
case "motorway":
case "trunk":
fow = FormOfWay.Motorway;
break;
case "primary":
case "primary_link":
fow = FormOfWay.MultipleCarriageWay;
break;
case "secondary":
case "secondary_link":
case "tertiary":
case "tertiary_link":
fow = FormOfWay.SingleCarriageWay;
break;
default:
fow = FormOfWay.SingleCarriageWay;
break;
}
return(true); // should never fail on a highway tag.
}
return(false);
}
/// <summary>
/// Tries to get the value for the given key.
/// </summary>
public bool TryGetValue(string key, out string value)
{
return(_tagCollection.TryGetValue(key, out value));
}
/// <summary>
/// Calculates a match between the tags collection and the properties of the OpenLR location reference.
/// </summary>
/// <param name="tags"></param>
/// <param name="fow"></param>
/// <param name="frc"></param>
/// <returns></returns>
public override float MatchArc(TagsCollectionBase tags, FormOfWay fow, FunctionalRoadClass frc)
{
string highway;
if (!tags.TryGetValue("highway", out highway))
{ // not even a highway tag!
return(0);
}
// TODO: take into account form of way? Maybe not for OSM-data?
switch (frc)
{ // check there reference values against OSM: http://wiki.openstreetmap.org/wiki/Highway
case FunctionalRoadClass.Frc0: // main road.
if (highway == "motorway" || highway == "trunk")
{
return(1);
}
break;
case FunctionalRoadClass.Frc1: // first class road.
if (highway == "primary" || highway == "primary_link")
{
return(1);
}
break;
case FunctionalRoadClass.Frc2: // second class road.
if (highway == "secondary" || highway == "secondary_link")
{
return(1);
}
break;
case FunctionalRoadClass.Frc3: // third class road.
if (highway == "tertiary" || highway == "tertiary_link")
{
return(1);
}
break;
case FunctionalRoadClass.Frc4:
if (highway == "road" || highway == "road_link" ||
highway == "unclassified" || highway == "residential")
{
return(1);
}
break;
case FunctionalRoadClass.Frc5:
if (highway == "road" || highway == "road_link" ||
highway == "unclassified" || highway == "residential" ||
highway == "living_street")
{
return(1);
}
break;
case FunctionalRoadClass.Frc6:
if (highway == "road" || highway == "track" ||
highway == "unclassified" || highway == "residential" ||
highway == "living_street")
{
return(1);
}
break;
case FunctionalRoadClass.Frc7: // other class road.
if (highway == "footway" || highway == "bridleway" ||
highway == "steps" || highway == "path" ||
highway == "living_street")
{
return(1);
}
break;
}
if (highway != null && highway.Length > 0)
{ // for any other highway return a low match.
return(0.2f);
}
return(0);
}
/// <summary>
/// Trys to return the highwaytype from the tags
/// </summary>
/// <param name="tags"></param>
/// <param name="highwayType"></param>
/// <returns></returns>
protected bool TryGetHighwayType(TagsCollectionBase tags, out string highwayType)
{
return tags.TryGetValue("highway", out highwayType);
}
/// <summary>
/// Returns true if the edge is one way forward, false if backward, null if bidirectional.
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
public virtual bool? IsOneWay(TagsCollectionBase tags)
{
string oneway;
if (tags.TryGetValue("oneway", out oneway))
{
if (oneway == "yes")
{
return true;
}
return false;
}
string junction;
if (tags.TryGetValue("junction", out junction))
{
if (junction == "roundabout")
{
return true;
}
}
return null;
}
/// <summary>
/// Trys to return the highwaytype from the tags
/// </summary>
/// <param name="tags"></param>
/// <param name="highwayType"></param>
/// <returns></returns>
protected bool TryGetHighwayType(TagsCollectionBase tags, out string highwayType)
{
highwayType = string.Empty;
return tags != null && tags.TryGetValue("highway", out highwayType);
}
/// <summary>
/// Calculates a match between the tags collection and the properties of the OpenLR location reference.
/// </summary>
/// <param name="tags"></param>
/// <param name="fow"></param>
/// <param name="frc"></param>
/// <returns></returns>
public override float MatchArc(TagsCollectionBase tags, FormOfWay fow, FunctionalRoadClass frc)
{
string frcString;
if (!tags.TryGetValue("FRC", out frcString))
{ // not even an FRC column.
return(0);
}
float frcOneDifferent = 0.8f;
float frcTwoDifferent = 0.6f;
float frcMoreDifferent = 0.4f;
var frcScore = 0.0f;
switch (frcString)
{
case "0": // main road.
if (frc == FunctionalRoadClass.Frc0)
{
frcScore = 1;
}
else if (frc == FunctionalRoadClass.Frc1)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc2)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
case "1": // first class road.
if (frc == FunctionalRoadClass.Frc1)
{
frcScore = 1;
}
else if (frc == FunctionalRoadClass.Frc0 ||
frc == FunctionalRoadClass.Frc2)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc3)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
case "2": // second class road.
if (frc == FunctionalRoadClass.Frc2)
{
frcScore = 1;
}
else if (frc == FunctionalRoadClass.Frc1 ||
frc == FunctionalRoadClass.Frc3)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc4 ||
frc == FunctionalRoadClass.Frc0)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
case "3":
if (frc == FunctionalRoadClass.Frc3)
{
frcScore = 1;
}
else if (frc == FunctionalRoadClass.Frc2 ||
frc == FunctionalRoadClass.Frc4)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc1 ||
frc == FunctionalRoadClass.Frc5)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
case "4":
if (frc == FunctionalRoadClass.Frc4)
{
frcScore = 1;
}
else if (frc == FunctionalRoadClass.Frc3 ||
frc == FunctionalRoadClass.Frc5)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc2 ||
frc == FunctionalRoadClass.Frc6)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
case "5":
if (frc == FunctionalRoadClass.Frc5)
{
frcScore = 1;
}
else if (frc == FunctionalRoadClass.Frc4 ||
frc == FunctionalRoadClass.Frc6)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc3 ||
frc == FunctionalRoadClass.Frc7)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
case "6":
if (frc == FunctionalRoadClass.Frc6)
{
frcScore = 1;
}
else if (frc == FunctionalRoadClass.Frc5 ||
frc == FunctionalRoadClass.Frc7)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc4)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
case "7":
if (frc == FunctionalRoadClass.Frc7)
{
frcScore = 1;
}
else if (frc == FunctionalRoadClass.Frc6)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc5)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
case "8":
if (frc == FunctionalRoadClass.Frc7)
{
frcScore = frcOneDifferent;
}
else if (frc == FunctionalRoadClass.Frc6)
{
frcScore = frcTwoDifferent;
}
else
{
frcScore = frcMoreDifferent;
}
break;
}
float fowOneDifferent = 0.8f;
float fowMoreDifferent = 0.4f;
var fowScore = 0.0f;
string fowString;
if (tags.TryGetValue("FOW", out fowString))
{
fowScore = 0.2f;
switch (fowString)
{
case "1":
if (fow == FormOfWay.Motorway)
{
fowScore = 1;
}
else if (fow == FormOfWay.MultipleCarriageWay)
{
fowScore = fowOneDifferent;
}
break;
case "2":
if (fow == FormOfWay.MultipleCarriageWay)
{
fowScore = 1;
}
else if (fow == FormOfWay.Motorway ||
fow == FormOfWay.SingleCarriageWay)
{
fowScore = fowOneDifferent;
}
break;
case "3":
if (fow == FormOfWay.SingleCarriageWay)
{
fowScore = 1;
}
else if (fow == FormOfWay.MultipleCarriageWay)
{
fowScore = fowOneDifferent;
}
break;
case "4":
if (fow == FormOfWay.Roundabout)
{
fowScore = 1;
}
fowScore = fowMoreDifferent;
break;
case "8":
if (fow == FormOfWay.TrafficSquare)
{
fowScore = 1;
}
fowScore = fowMoreDifferent;
break;
case "10":
if (fow == FormOfWay.SlipRoad)
{
fowScore = 1;
}
fowScore = fowMoreDifferent;
break;
case "6":
case "7":
case "9":
case "11":
case "12":
case "14":
case "15":
if (fow == FormOfWay.Other)
{
fowScore = fowOneDifferent;
}
break;
default:
if (fow == FormOfWay.Undefined)
{
fowScore = fowMoreDifferent;
}
break;
}
}
return(frcScore + fowScore);
}
/// <summary>
/// Returns true if the edge with the given properties represents a roundabout.
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
public bool IsRoundabout(TagsCollectionBase tags)
{
string junction;
return (tags != null && tags.TryGetValue("junction", out junction) && junction == "roundabout");
}
private void processTag <T>(string v, TagsCollectionBase tags, LaneDescription[] descriptions, ProcessTagValue <T> process, Action <LaneDescription, int, T> setter)
{
T parsedValue;
string value;
if (tags.TryGetValue(v, out value))
{
if (process(value, out parsedValue))
{
for (int i = 0; i < descriptions.Length; i++)
{
setter(descriptions[i], i, parsedValue);
}
}
}
if (tags.TryGetValue(v + ":lanes", out value))
{
var split = value.Split('|');
for (int i = 0; i < split.Length; i++)
{
if (i < descriptions.Length)
{
foreach (var val in split[i].Split(';'))
{
if (process(val, out parsedValue))
{
setter(descriptions[i], i, parsedValue);
}
}
}
else
{
// something wrong here
}
}
}
if (tags.TryGetValue(v + ":lanes:forward", out value))
{
var forwardLanes = descriptions.Where(l => !l.Reverse).ToArray();
var split = value.Split('|');
for (int i = 0; i < split.Length; i++)
{
if (i < forwardLanes.Length)
{
foreach (var val in split[i].Split(';'))
{
if (process(val, out parsedValue))
{
setter(forwardLanes[i], i, parsedValue);
}
}
}
else
{
// something wrong here
}
}
}
if (tags.TryGetValue(v + ":lanes:backward", out value))
{
var forwardLanes = descriptions.Where(l => l.Reverse).ToArray();
var split = value.Split('|');
for (int i = 0; i < split.Length; i++)
{
if (i < forwardLanes.Length)
{
foreach (var val in split[i].Split(';'))
{
if (process(val, out parsedValue))
{
setter(forwardLanes[i], i, parsedValue);
}
}
}
else
{
// something wrong here
}
}
}
}