public static Shape ReadShape(string shapeWKT)
{
shapeWKT = TranslateCircleFromKmToRadians(shapeWKT);
Shape shape = shapeReadWriter.ReadShape(shapeWKT);
return(shape);
}
public Shape ReadShape(string shape, SpatialUnits?unitOverride = null)
{
shape = shapeStringConverter.ConvertToWKT(shape);
shape = WktSanitizer.Sanitize(shape);
// Circle translation should be done last, before passing to NtsShapeReadWriter
if (options.Type == SpatialFieldType.Geography)
{
shape = TranslateCircleRadius(shape, unitOverride.HasValue ? unitOverride.Value : options.Units);
}
return(ntsShapeReadWriter.ReadShape(shape));
}
public static Query MakeQuery(SpatialStrategy spatialStrategy, string shapeWKT, SpatialRelation relation,
double distanceErrorPct = 0.025)
{
SpatialOperation spatialOperation;
Shape shape = ShapeReadWriter.ReadShape(shapeWKT);
switch (relation)
{
case SpatialRelation.Within:
spatialOperation = SpatialOperation.IsWithin;
break;
case SpatialRelation.Contains:
spatialOperation = SpatialOperation.Contains;
break;
case SpatialRelation.Disjoint:
spatialOperation = SpatialOperation.IsDisjointTo;
break;
case SpatialRelation.Intersects:
spatialOperation = SpatialOperation.Intersects;
break;
case SpatialRelation.Nearby:
var nearbyArgs = new SpatialArgs(SpatialOperation.IsWithin, shape);
nearbyArgs.SetDistPrecision(distanceErrorPct);
// only sort by this, do not filter
return(new FunctionQuery(spatialStrategy.MakeValueSource(nearbyArgs)));
default:
throw new ArgumentOutOfRangeException("relation");
}
var args = new SpatialArgs(spatialOperation, shape);
args.SetDistPrecision(distanceErrorPct);
return(spatialStrategy.MakeQuery(args));
}
