partial void UpdatePolygon(Polygon instance);
partial void DeletePolygon(Polygon instance);
partial void InsertPolygon(Polygon instance);
public short Calculate(string imageFilePath, Polygon polygon, Media.PointCollection pointCollection)
{
// Maskiertes Bild laden
// Drawing.Bitmap maskedBitmap = GetMaskedBitmap(imageFilePath, pointCollection);
Image<Bgr, byte> cvImage = new Image<Bgr, byte>(imageFilePath);
// Maske generieren aus Polygon
Mat matMask = new Mat(new Drawing.Size(cvImage.Cols, cvImage.Rows), DepthType.Cv8U, 3);
// Polygone skalieren und generieren
List<Point> scaledPoints = GetScaledPoints(pointCollection, cvImage.Rows, cvImage.Cols);
List<Drawing.Point> scaledDrawingPoints = GetPolygonPoints(scaledPoints, cvImage.Rows, cvImage.Cols);
// Polygon weiss zeichnen
using (VectorOfPoint vPoint = new VectorOfPoint(scaledDrawingPoints.ToArray()))
using (VectorOfVectorOfPoint vvPoint = new VectorOfVectorOfPoint(vPoint))
{
CvInvoke.FillPoly(matMask, vvPoint, new Bgr(255, 255, 255).MCvScalar);
}
Image<Gray, byte> imageMask = new Image<Gray, byte>(matMask.Bitmap);
// Durchschnittsfarbe rechnen mit Maske
Bgr result = cvImage.GetAverage(imageMask);
// Vergleichen mit Referenzbildern
Bgr snow = JsonConvert.DeserializeObject<Bgr>(polygon.BgrSnow);
Bgr normal = JsonConvert.DeserializeObject<Bgr>(polygon.BgrNormal);
double resultSnow = Math.Abs(snow.Blue - result.Blue) + Math.Abs(snow.Green - result.Green) + Math.Abs(snow.Red - result.Red);
double resultNormal = Math.Abs(normal.Blue - result.Blue) + Math.Abs(normal.Green - result.Green) + Math.Abs(normal.Red - result.Red);
if (Math.Abs(resultSnow - resultNormal) < 10)
{
return 0;
}
else if (resultSnow < resultNormal)
{
return 1;
}
else
{
return -1;
}
}