public int AddPerson(String firstName, String lastName) {
var db = new FacesDBDataContext(_connectionString);
if (db.Persons
.Where(x => x.FirstName.ToUpper() == firstName.ToUpper() && x.LastName.ToUpper() == lastName.ToUpper())
.Count() > 0)
throw new ApplicationException("That name already exists.");
int id = db.GetID("Persons", 1);
var person = new Person()
{
PersonID = id,
FirstName = firstName.Trim(),
LastName = lastName.Trim()
};
db.Persons.InsertOnSubmit(person);
db.SubmitChanges();
_Persons.Add((api.Person) new PersonImpl(firstName.Trim(), lastName.Trim(), id), new List<api.Face>());
return id;
}
internal void SaveMatchResults(List<MatchRun> results)
{
var db = new FacesDBDataContext(_connectionString);
foreach (var res in results)
{
res.MatchRunID = db.GetID("MatchRuns", 1);
db.MatchRuns.InsertOnSubmit(res);
}
db.SubmitChanges();
System.Diagnostics.Debug.WriteLine("Inserting " + results.Count() + " records.");
}
private void CreateFaceSet(FacesDBDataContext db, String name, List<int> faces)
{
int nextId = db.GetID("FaceSets", 1);
int nextMappingId = db.GetID("FaceSetMappings", faces.Count());
db.FaceSets.InsertOnSubmit(new FaceSet() { Date = DateTime.Now, FaceSetID = nextId, Name = name });
foreach (var f in faces)
db.FaceSetMappings.InsertOnSubmit(
new FaceSetMapping() { FaceSetID = nextId, FaceSetMappingID = nextMappingId++, FaceUKey = f});
}
public int CreateTrainingRun
(String name, String trainingDropZone, int numDimensions, double threshhold, String faceSet,
string detectionSettingName, int rows, int cols, Manager.ImageMode mode, Manager.Model model)
{
var db = new FacesDBDataContext(_connectionString);
int faceSetID = db.FaceSets.Where(x => x.Name.Equals(faceSet)).Single().FaceSetID;
int detectionSettingID = db.DetectionSettings.Where(x => x.Description.Equals(detectionSettingName)).Single().SettingID;
List<Face> tFaces = (from fsm in db.FaceSetMappings
join f in db.Faces on fsm.FaceUKey equals f.FaceUKey
where fsm.FaceSetID == faceSetID
select f).ToList();
String fileNameRoot = trainingDropZone + "\\" + name;
String csvFilePath = fileNameRoot + ".csv";
String firstFacePath = null;
using (StreamWriter writer = new StreamWriter(csvFilePath))
{
foreach (var f in tFaces)
{
String facePath = _m.GetFacePath(f.PictureID, f.FaceID, false, (api.FaceState)f.FaceStateID);
if (firstFacePath == null)
firstFacePath = facePath;
int? personId = f.PersonID;
if (personId == null) personId = -1;
String line = facePath + ";" + personId;
writer.WriteLine(line);
}
writer.Flush(); writer.Close();
}
if (rows == 0)
{
var img = System.Drawing.Image.FromFile(firstFacePath);
rows = img.Height; cols = img.Width;
}
System.Diagnostics.Debug.WriteLine("CSV file written to " + csvFilePath);
int realNComponents = CAPI.TrainModel(fileNameRoot, false, numDimensions, rows, cols, (int) mode, (int) model);
int nextId = db.GetID("TrainingRuns", 1);
db.TrainingRuns.InsertOnSubmit(new TrainingRun()
{
Date = DateTime.Now,
Name = name,
TrainingRunID = nextId,
NumDimensions = realNComponents,
Threshold = threshhold,
ImageModeID = (int)mode,
FaceSetID = faceSetID,
ScannerSettingID = detectionSettingID,
Rows = rows,
Cols = cols,
ModelID = (int)model
});
db.SubmitChanges();
return tFaces.Count();
}
public int GetID(String table)
{
Tuple<int /* last */, int /* remaining */> innerDic = null;
int id = 0; int remaining = 0;
if (_idCache.TryGetValue(table, out innerDic))
{
id = innerDic.Item1; remaining = innerDic.Item2;
}
else
innerDic = new Tuple<int, int>(0, 0);
if (innerDic.Item2 == 0)
{
var db = new FacesDBDataContext(_connectionString);
id = db.GetID(table, 20);
remaining = 20;
}
_idCache[table] = new Tuple<int, int>(id+1, remaining-1);
return id;
}
