private double GetMaxNeededDistance([NotNull] IFeature pointFeature,
[NotNull] IFeature referenceFeature,
int referenceClassIndex,
out double standardDistance,
out double?rightSideDistance)
{
if (_referenceRightSideDistanceExpressions == null)
{
_referenceRightSideDistanceExpressions =
GetReferenceDistanceExpressions(_referenceRightSideDistanceSqls);
}
double?referenceRightSideDistance =
_referenceRightSideDistanceExpressions.Count > 0
? _referenceRightSideDistanceExpressions[
referenceClassIndex - _firstReferenceClassIndex].GetDouble(
referenceFeature)
: null;
if (!_useDistanceExpressions)
{
standardDistance = SearchDistance;
rightSideDistance = referenceRightSideDistance;
return(SearchDistance);
}
// lazy initialization
if (_pointDistanceExpression == null &&
StringUtils.IsNotEmpty(_pointDistanceExpressionSql))
{
_pointDistanceExpression = new DoubleFieldExpression(
InvolvedTables[0],
_pointDistanceExpressionSql,
caseSensitive: GetSqlCaseSensitivity(0));
}
double?pointDistance = _pointDistanceExpression?.GetDouble(pointFeature);
if (_referenceDistanceExpressions == null)
{
_referenceDistanceExpressions =
GetReferenceDistanceExpressions(_referenceDistanceExpressionsSql);
}
// get distances from expressions
double?referenceDistance =
_referenceDistanceExpressions.Count > 0
? _referenceDistanceExpressions[
referenceClassIndex - _firstReferenceClassIndex]
.GetDouble(referenceFeature)
: null;
standardDistance = (pointDistance ?? 0) + (referenceDistance ?? 0);
rightSideDistance = referenceRightSideDistance.HasValue
? (pointDistance ?? 0) + referenceRightSideDistance
: null;
return(Math.Max(standardDistance, rightSideDistance ?? 0));
}
protected override int ExecuteCore(IRow row, int tableIndex)
{
// preparing
if (_filter == null)
{
Init();
}
const int pointTableIndex = 0;
if (tableIndex != pointTableIndex)
{
return(NoError);
}
var pointFeature = row as IFeature;
if (pointFeature == null)
{
return(NoError);
}
if (!_expressionHelpersInitialized)
{
_matchExpressionHelper = GetMatchExpressionHelper(_matchExpression);
_mExpressionHelper = GetMExpression(_pointClass, _expectedMValueExpression);
_expressionHelpersInitialized = true;
}
var point = (IPoint)pointFeature.Shape;
point.QueryEnvelope(_box);
_box.Expand(SearchDistance, SearchDistance, false);
double?expectedMValue;
if (_mExpressionHelper != null)
{
try
{
expectedMValue = _mExpressionHelper.GetDouble(pointFeature);
}
catch (Exception e)
{
string description = string.Format(
"Invalid value from expected M expression '{0}'. Numeric value expected ({1})",
_expectedMValueExpression, e.Message);
return(ReportError(description, pointFeature.ShapeCopy,
Codes[Code.ExpressionResultNotNumeric], null,
pointFeature));
}
}
else
{
expectedMValue = point.M;
}
if (expectedMValue == null || double.IsNaN(expectedMValue.Value))
{
if (_ignoreUndefinedExpectedMValue)
{
// expected value is undefined; just ignore (don't require NaN M values on line)
return(NoError);
}
string description;
if (string.IsNullOrEmpty(_expectedMValueExpression))
{
description = "Undefined M value on point feature";
return(ReportError(description, pointFeature.ShapeCopy,
Codes[Code.UndefinedMValue_FromPointFeature],
TestUtils.GetShapeFieldName(pointFeature),
pointFeature));
}
description = string.Format(
"Undefined expected M value from expression '{0}'",
_expectedMValueExpression);
return(ReportError(description, pointFeature.ShapeCopy,
Codes[Code.UndefinedMValue_FromExpression], null,
pointFeature));
}
int errorCount = 0;
bool hasNeighborFeature = false;
for (int neighborTableIndex = 1;
neighborTableIndex < _tableCount;
neighborTableIndex++)
{
var neighborClass = (IFeatureClass)InvolvedTables[neighborTableIndex];
_helper[neighborTableIndex].MinimumOID = -1;
int neighborFeatureCount;
errorCount += CheckTable(pointFeature, tableIndex, point,
expectedMValue.Value,
neighborClass, neighborTableIndex,
out neighborFeatureCount);
if (neighborFeatureCount > 0)
{
hasNeighborFeature = true;
}
}
if (_requireLine && !hasNeighborFeature)
{
var error = (IPoint)pointFeature.ShapeCopy;
string description =
string.Format(
"Point does not lie closer than {0} to any line",
FormatLength(SearchDistance, _spatialReference));
errorCount += ReportError(description, error,
Codes[Code.PointNotNearLine],
TestUtils.GetShapeFieldName(pointFeature),
pointFeature);
}
return(errorCount);
}
