public List <Feature> GetFeaturesOfClasses(string[] acronyms)
{
List <uint> codes = new List <uint>();
foreach (var acronym in acronyms)
{
uint code = S57Objects.Get(acronym).Code;
codes.Add(code);
}
return(GetFeaturesOfClasses(codes.ToArray()));
}
public int Filter(string filter)
{
if (string.IsNullOrEmpty(filter))
{
return(0);
}
string[] codes = filter.Split(new char[] { ' ' });
for (int i = 0; i < codes.Length; i++)
{
codes[i] = codes[i].Trim();
var isNumeric = int.TryParse(codes[i], out int n);
if (!isNumeric)
{
codes[i] = S57Objects.Get(codes[i]).Code.ToString();
}
}
List <string> lCodes = codes.ToList();
var features = Features.Values.ToList();
var filteredFeatures = features.Where(f => lCodes.Contains(f.Code.ToString()));
Features = filteredFeatures.ToDictionary(f => f.lnam.ToString(), f => f);
return(features.Count);
}
public int Filter(string filter)
{
if (string.IsNullOrEmpty(filter))
{
return(0);
}
string[] codes = filter.Split(new char[] { ' ' });
for (int i = 0; i < codes.Length; i++)
{
codes[i] = codes[i].Trim();
var isNumeric = int.TryParse(codes[i], out int n);
if (!isNumeric)
{
codes[i] = S57Objects.Get(codes[i]).Code.ToString(); //performance-killer: convert uint to string, to later compare strings. Better: compare uints
}
}
List <string> lCodes = new List <string>();
lCodes.AddRange(codes);
List <Feature> features = new List <Feature>();
features.AddRange(Features.Values);
Features = new Dictionary <LongName, Feature>();
foreach (var feature in features)
{
foreach (var code in lCodes)
{
if (code == feature.Code.ToString())
{
}
Features.Add(feature.lnam, feature);
}
}
return(features.Count);
}
public List <Feature> GetFeaturesOfClass(string acronym)
{
return(GetFeaturesOfClass(S57Objects.Get(acronym).Code));
}
public PurgeResults PurgeBasedOnS57KnownObjects()
{
PurgeResults result = new PurgeResults();
result.NbFeaturesBefore = Features.Count;
result.NbVectorsBefore = Vectors.Count;
List <VectorName> usedVectors = new List <VectorName>();
List <LongName> unusedLnams = new List <LongName>();
foreach (Feature feature in newFeatures.Values)
{
var featureInfo = S57Objects.Get(feature.Code);
if (featureInfo != null && feature.Code < 300)
{
if (feature.VectorPtrs != null && feature.VectorPtrs.Count > 0)
{
foreach (var vectorPtr in feature.VectorPtrs)
{
var vector = vectorPtr.Vector;
if (vector == null)
{
UpdateVectorPtrs(feature);
}
if (!usedVectors.Contains(vectorPtr.Vector.vectorName))
{
usedVectors.Add(vectorPtr.Vector.vectorName);
}
}
}
}
else
{
unusedLnams.Add(feature.lnam);
}
}
result.NbRemovedFeatures = unusedLnams.Count;
result.NbRemovedVectors = 0;
foreach (var lnam in unusedLnams)
{
Features.Remove(lnam);
}
int index = Vectors.Count - 1;
List <Vector> vectors = new List <Vector>();
vectors.AddRange(Vectors.Values);
while (index >= 0)
{
if (!usedVectors.Contains(vectors[index].vectorName))
{
if (Vectors.Remove(vectors[index].vectorName))
{
result.NbRemovedVectors++;
}
}
index--;
}
baseFile.FeatureRecords.Clear();
baseFile.VectorRecords.Clear();
GC.Collect();
result.NbFeatures = Features.Count;
result.NbVectors = Vectors.Count;
return(result);
}