public float?GetAverageHeightFromNeighbourhood(int pKernelSizeMultiplier)
{
int pKernelSize = CGroundArray.GetKernelSize();
pKernelSize *= pKernelSizeMultiplier;
int defined = 0;
float heightSum = 0;
for (int x = -pKernelSize; x < pKernelSize; x++)
{
for (int y = -pKernelSize; y < pKernelSize; y++)
{
int xIndex = indexInField.Item1 + x;
int yIndex = indexInField.Item2 + y;
CField el = GetFieldWithOffset(x, y);
if (el != null && el.IsDefined())
{
defined++;
heightSum += (float)el.GetHeight();
}
}
}
if (defined == 0)
{
return(null);
}
return(heightSum / defined);
}
private bool HasAllNeighboursDefined(bool p8neighbourhood)
{
bool neighbourhood4Defined = Left.IsDefined() && Right.IsDefined() && Top.IsDefined() && Bot.IsDefined();
if (!p8neighbourhood)
{
return(neighbourhood4Defined);
}
else
{
return(neighbourhood4Defined && Left.Top.IsDefined() && Right.Top.IsDefined() && Left.Bot.IsDefined() &&
Right.Bot.IsDefined());
}
}
