// Yes singleton anti-pattern
internal static ImageCache getImageCache(String tempPathRoot)
{
if (_imageCache == null)
{
_imageCache = new ImageCache(tempPathRoot);
_imageCachePathRoot = tempPathRoot;
}
if (_imageCachePathRoot != tempPathRoot)
throw new ApplicationException("Programming Error");
return _imageCache;
}
public FacesLite(String modelName, String connectionString, String imageCachePath, StorageSystem storageSystem)
{
if (_firstCall) throw new ApplicationException("Programming Error: 2 instances of FacesLite!");
_firstCall = true;
_imageCache = ImageCache.getImageCache(imageCachePath);
_storageSystem = storageSystem;
_modelName = modelName;
_connectionString = connectionString;
}
public void SaveCoordinates(String modelPath, String imageStorage)
{
// loads from disk, saves to DB.
var db = new DataClasses1DataContext(_connectionString);
var aModel = db.TrainingRuns.Where(x => x.Name.Equals(_modelName)).Single();
_dimensions = CAPI.TrainModel(modelPath + _modelName, true, -1, aModel.Rows, aModel.Cols, (int)CAPI.ImageMode.Undefined, (int)_modelType);
if (aModel.Dimensions != _dimensions) throw new ApplicationException("Number of dimensions in db dont match number of dimensions in model flat file.");
var faceCoords = new Dictionary<int, List<double>>();
double[] coords = new double[_dimensions];
System.Diagnostics.Debug.WriteLine("Start saving coords");
var ic = new ImageCache(imageStorage); // non S3 version
foreach (String file in Directory.GetFiles(imageStorage, "*.jpg"))
{
CAPI.GetCoordinates(file, coords, aModel.Rows, aModel.Cols, (int) CAPI.ImageMode.Histogram);
int ukey = int.Parse(Path.GetFileNameWithoutExtension(file));
// store the greyscale for later upload to S3 and display in the carousel
String histFacePath = ic.GetNormFacePath(ukey, aModel.Rows*2, aModel.Cols*2); // TODO: maybe we can store larger versions?
for (int i = 0; i < _dimensions; i++)
{
db.Coordinates.InsertOnSubmit(new Coordinate()
{
TrainingRunID = aModel.TrainingRunID,
Dimension = i,
FaceUKey = ukey,
Coordinate1 = coords[i]
});
}
db.SubmitChanges();
System.Diagnostics.Debug.WriteLine("Storing " + ukey);
}
System.Diagnostics.Debug.WriteLine("Done saving coords");
}