/// <summary>
/// Calculates the time range covering all the cell passes within the given sub grid segment
/// </summary>
/// <param name="segment"></param>
/// <param name="startTime"></param>
/// <param name="endTime"></param>
public static void CalculateTimeRange(ISubGridCellSegmentPassesDataWrapper segment, out DateTime startTime, out DateTime endTime)
{
startTime = Consts.MAX_DATETIME_AS_UTC;
endTime = Consts.MIN_DATETIME_AS_UTC;
for (int i = 0; i < SubGridTreeConsts.SubGridTreeDimension; i++)
{
for (int j = 0; j < SubGridTreeConsts.SubGridTreeDimension; j++)
{
int ThePassCount = segment.PassCount(i, j);
if (ThePassCount == 0)
{
continue;
}
for (int PassIndex = 0; PassIndex < ThePassCount; PassIndex++)
{
var theTime = segment.PassTime(i, j, PassIndex);
if (theTime > endTime)
{
endTime = theTime;
}
if (theTime < startTime)
{
startTime = theTime;
}
}
}
}
}
/// <summary>
/// Calculate the total number of passes from all the cells present in the given sub grid segment
/// </summary>
/// <param name="segment"></param>
/// <param name="TotalPasses"></param>
/// <param name="MinPassCount"></param>
/// <param name="MaxPassCount"></param>
public static void CalculateTotalPasses(ISubGridCellSegmentPassesDataWrapper segment, out int TotalPasses,
out int MinPassCount, out int MaxPassCount)
{
TotalPasses = 0;
MaxPassCount = 0;
MinPassCount = int.MaxValue;
// Todo: Push this down to the segment to avoid the PassCount abstraction
if (segment.HasPassData())
{
for (int i = 0; i < SubGridTreeConsts.SubGridTreeDimension; i++)
{
for (int j = 0; j < SubGridTreeConsts.SubGridTreeDimension; j++)
{
int ThePassCount = segment.PassCount(i, j);
if (ThePassCount > MaxPassCount)
{
MaxPassCount = ThePassCount;
}
if (ThePassCount < MinPassCount)
{
MinPassCount = ThePassCount;
}
TotalPasses += ThePassCount;
}
}
}
}
/// <summary>
/// Calculates the elevation range that all the passes within the given segment span.
/// </summary>
/// <param name="segment"></param>
/// <param name="minElevation"></param>
/// <param name="maxElevation"></param>
/// <returns>True if the result of the calculation yields a valid elevation range</returns>
public static bool CalculateElevationRangeOfPasses(ISubGridCellSegmentPassesDataWrapper segment,
out double minElevation, out double maxElevation)
{
minElevation = 1E10;
maxElevation = -1E10;
double min = minElevation;
double max = maxElevation;
for (int i = 0; i < SubGridTreeConsts.SubGridTreeDimension; i++)
{
for (int j = 0; j < SubGridTreeConsts.SubGridTreeDimension; j++)
{
int _PassCount = segment.PassCount(i, j);
for (int PassIndex = 0; PassIndex < _PassCount; PassIndex++)
{
// Todo: Delegate this down to the segment to avoid the PassHeight() abstraction
float _height = segment.PassHeight(i, j, PassIndex);
if (_height > max)
{
max = _height;
}
if (_height < min)
{
min = _height;
}
}
}
}
if (min <= max)
{
minElevation = min;
maxElevation = max;
}
return(minElevation <= maxElevation);
}
/// <summary>
/// Calculates the number of passes in the segment that occur before searchTime
/// </summary>
/// <param name="segment"></param>
/// <param name="searchTime"></param>
/// <param name="totalPasses"></param>
/// <param name="maxPassCount"></param>
public static void CalculatePassesBeforeTime(ISubGridCellSegmentPassesDataWrapper segment, DateTime searchTime,
out int totalPasses, out int maxPassCount)
{
totalPasses = 0;
maxPassCount = 0;
for (int i = 0; i < SubGridTreeConsts.SubGridTreeDimension; i++)
{
for (int j = 0; j < SubGridTreeConsts.SubGridTreeDimension; j++)
{
int thePassCount = segment.PassCount(i, j);
if (thePassCount == 0)
{
continue;
}
int countInCell = 0;
for (int PassIndex = 0; PassIndex < thePassCount; PassIndex++)
{
var theTime = segment.PassTime(i, j, PassIndex);
if (theTime < searchTime)
{
countInCell++;
}
}
totalPasses += countInCell;
if (countInCell > maxPassCount)
{
maxPassCount = countInCell;
}
}
}
}