public override double? getActualWidth(CogoStation aStation, out tupleNullableDoubles result)
{
double? ret = null;
result.ahead = null;
result.back = null;
result.isSingleValue = true;
return ret;
}
public virtual double? getCrossSlope(CogoStation aStation, out tupleNullableDoubles result)
{
CrossSlopes.getElevation(aStation, out result);
if (result.back != null && result.isSingleValue == false)
{
return result.ahead;
}
return result.back;
}
public virtual Slope getCrossSlope(CogoStation aStation)
{
tupleNullableDoubles rslt = new tupleNullableDoubles();
Double? xSlope = getCrossSlope(aStation, out rslt);
if (xSlope == null) return null;
else return new Slope((Double)xSlope);
}
public virtual double? getActualWidth(CogoStation aStation)
{
tupleNullableDoubles rslt = new tupleNullableDoubles();
return getActualWidth(aStation, out rslt);
}
private void getValueByDelegate(CogoStation station, out tupleNullableDoubles theOutValue, verticalCurve.getSwitchForProfiles getFunction)
{
if (null == allVCs)
{
theOutValue.ahead = 0.0;
theOutValue.back = 0.0;
theOutValue.isSingleValue = true;
return;
}
if ((station.trueStation < BeginProfTrueStation - stationEqualityTolerance) ||
(station.trueStation > EndProfTrueStation + stationEqualityTolerance))
{ // it means we are off the profile
theOutValue.back = null;
theOutValue.ahead = null;
theOutValue.isSingleValue = true;
return;
}
try { setIndexToTheCorrectVC(station); }
catch (IndexOutOfRangeException) { }
verticalCurve aVC = allVCs[vcIndex];
// if there are effectively no VCs, treat it as singleElevation
if (allVCs.Count == 1 && aVC.Length < 0.00000001)
{
theOutValue.back = aVC.BeginElevation;
theOutValue.ahead = aVC.BeginElevation;
theOutValue.isSingleValue = true;
}
// if we are at the begin station, check to see how we relate to the previous vc
else if (utilFunctions.tolerantCompare(station.trueStation, aVC.BeginStation.trueStation, stationEqualityTolerance) == 0)
{
// if we are at the beginning of the profile, split theOutValue
if (vcIndex == 0)
{
theOutValue.back = null;
theOutValue.ahead = getFunction(aVC, station);
theOutValue.isSingleValue = false;
}
else // if station is on the boundary between two verticalCurves,
{ // then see if we need to split theOutValue
if (getFunction == verticalCurve.getKvalue &&
aVC.IsBeginPINC)
{
theOutValue.back = theOutValue.ahead = 0.0;
theOutValue.isSingleValue = true;
}
else
{
theOutValue.ahead = getFunction(aVC, station);
theOutValue.back = getFunction(allVCs[vcIndex - 1], station);
if (utilFunctions.tolerantCompare(theOutValue.back, theOutValue.ahead, 0.00005) == 0)
{
theOutValue.isSingleValue = true;
}
else theOutValue.isSingleValue = false;
}
}
}
// End: if we are at the begin station, check to see how we relate to the previous vc
// if we are at the end station, check to see how we relate to the next vc
else if (utilFunctions.tolerantCompare(station.trueStation, aVC.EndStation.trueStation, stationEqualityTolerance) == 0)
{
// if we are at the end of the profile, split theOutValue
if (vcIndex == allVCs.Count - 1)
{
theOutValue.back = getFunction(aVC, station);
theOutValue.ahead = null;
theOutValue.isSingleValue = false;
}
else // if station is on the boundary between two verticalCurves,
{ // then see if we need to split theOutValue
if (getFunction == verticalCurve.getKvalue &&
aVC.IsEndPINC)
{
theOutValue.back = theOutValue.ahead = 0.0;
theOutValue.isSingleValue = true;
}
else
{
theOutValue.back = getFunction(aVC, station);
theOutValue.ahead = getFunction(allVCs[vcIndex + 1], station);
if (utilFunctions.tolerantCompare(theOutValue.back, theOutValue.ahead, 0.00005) == 0)
{
theOutValue.isSingleValue = true;
}
else theOutValue.isSingleValue = false;
}
}
}
// End: if we are at the end station, check to see how we relate to the next vc
else
{
theOutValue.back = getFunction(aVC, station);
theOutValue.ahead = theOutValue.back;
theOutValue.isSingleValue = true;
}
}
public double? getSlopeFromTheRight(CogoStation station)
{
var resultTND = new tupleNullableDoubles();
getSlope(station, out resultTND);
return resultTND.ahead;
}
public void getSlope(CogoStation station, out tupleNullableDoubles theSlope)
{
verticalCurve.getSwitchForProfiles callFunction = new verticalCurve.getSwitchForProfiles(verticalCurve.getSlope);
getValueByDelegate(station, out theSlope, callFunction);
}
public double? getElevation(CogoStation station)
{
double? retVal;
var resultTND = new tupleNullableDoubles();
getElevation(station, out resultTND);
if(resultTND.back != null)
retVal = resultTND.back;
retVal = resultTND.ahead;
if (null == retVal)
{
if (station > EndProfTrueStation)
{
if (this.EndIsUnconstrained == true)
{
this.getElevation((CogoStation)EndProfTrueStation, out resultTND);
retVal = resultTND.back;
}
}
if (station < this.BeginProfTrueStation)
{
if (this.BeginIsUnconstrained == true)
{
this.getElevation((CogoStation)BeginProfTrueStation, out resultTND);
retVal = resultTND.ahead;
}
}
}
return retVal;
}
