// compute NDVI
public byte[] computeNDVI(byte[] b1, byte[] b2)
{
byte[] byOutNDVI = new byte[b1.Length];
for (Int32 i = 0; i < b1.Length; i++)
{
if (b1[i] - b2[i] < 0)
{
byOutNDVI[i] = 0;
}
else
{
byOutNDVI[i] = (byte)(b1[i] - b2[i]);
}
}
PointMethods minMax = new PointMethods();
string mm = minMax.getMinMax(byOutNDVI);
int min = Convert.ToInt16(mm.Split(',')[0]);
int max = Convert.ToInt16(mm.Split(',')[1]);
int diff = max - min;
for (Int32 i = 0; i < byOutNDVI.Length; i++)
{
byOutNDVI[i] = (byte)(((int)(byOutNDVI[i] - min) / diff) * 255);
}
return(byOutNDVI);
}
public CellsPolygon(HashSet <Cell> cells)
{
Cells = cells;
Position = PointMethods.GetCentroid(Cells);
}
