public override bool PerformHeightAnnotation(SubGridTreeBitmapSubGridBits processingMap, IList filteredSurveyedSurfaces, bool returnEarliestFilteredCellPass,
IClientLeafSubGrid surfaceElevationsSource, Func <int, int, float, bool> elevationRangeFilterLambda)
{
if (!(surfaceElevationsSource is ClientHeightAndTimeLeafSubGrid surfaceElevations))
{
_log.LogError($"{nameof(ClientCellProfileLeafSubgrid)}.{nameof(PerformHeightAnnotation)} not supplied a ClientHeightAndTimeLeafSubGrid instance, but an instance of {surfaceElevationsSource?.GetType().FullName}");
return(false);
}
// For all cells we wanted to request a surveyed surface elevation for,
// update the cell elevation if a non null surveyed surface of appropriate time was computed
// Note: The surveyed surface will return all cells in the requested sub grid, not just the ones indicated in the processing map
// IE: It is unsafe to test for null top indicate not-filtered, use the processing map iterators to cover only those cells required
processingMap.ForEachSetBit((x, y) =>
{
var surveyedSurfaceCellHeight = surfaceElevations.Cells[x, y];
// ReSharper disable once CompareOfFloatsByEqualityOperator
if (surveyedSurfaceCellHeight == Consts.NullHeight)
{
return;
}
// If we got back a surveyed surface elevation...
var surveyedSurfaceCellTime = surfaceElevations.Times[x, y];
var prodHeight = Cells[x, y].Height;
var prodTime = Cells[x, y].LastPassTime.Ticks;
// Determine if the elevation from the surveyed surface data is required based on the production data elevation being null, and
// the relative age of the measured surveyed surface elevation compared with a non-null production data height
// ReSharper disable once CompareOfFloatsByEqualityOperator
if (!(prodHeight == Consts.NullHeight || (returnEarliestFilteredCellPass ? surveyedSurfaceCellTime <prodTime : surveyedSurfaceCellTime> prodTime)))
{
// We didn't get a surveyed surface elevation, so clear the bit in the processing map to indicate there is no surveyed surface information present for it
processingMap.ClearBit(x, y);
return;
}
// Check if there is an elevation range filter in effect and whether the surveyed surface elevation data matches it
if (elevationRangeFilterLambda != null)
{
if (!elevationRangeFilterLambda(x, y, surveyedSurfaceCellHeight))
{
// We didn't get a surveyed surface elevation, so clear the bit in the processing map to indicate there is no surveyed surface information present for it
processingMap.ClearBit(x, y);
return;
}
}
Cells[x, y].Height = surveyedSurfaceCellHeight;
});
return(true);
}
