public static bool IsCovered(this BoundingBox bbox, IEnumerable <BoundingBox> bboxTiles)
{
if (bboxTiles == null || !bboxTiles.Any())
{
return(false);
}
IGeometry bboxPoly = bbox.ToPolygon();
IGeometry tilesPolygon = UnaryUnionOp.Union(bboxTiles.Select(t => t.ToPolygon()).ToList());
var inside = tilesPolygon.Contains(bboxPoly);
if (inside)
{
return(inside);
}
else
{
tilesPolygon = UnaryUnionOp.Union(bboxTiles.Select(t => (IGeometry)(new LineString(t.ToRing().Coordinates))).ToList());
var dbgString = @"declare @b geometry = geometry::STGeomFromText('{bbox.WKT}',2154)
select @b,'Bbox'";
var wkts = bboxTiles.Select(t => new Polygon(t.ToRing()).ToText());
dbgString = dbgString.Replace("{bbox.WKT}", bbox.WKT);
dbgString += string.Join(" ", wkts.Select(s => $"union all select geometry::STGeomFromText('{s}',2154) , 'Tiles'"));
System.Diagnostics.Debug.WriteLine(dbgString);
return(inside);
}
}
public static bool IsCovered(this BoundingBox bbox, IEnumerable <BoundingBox> bboxTiles)
{
if (bboxTiles == null || !bboxTiles.Any())
{
return(false);
}
IGeometry bboxPoly = bbox.ToPolygon();
IGeometry tilesPolygon = UnaryUnionOp.Union(bboxTiles.Select(GeometryService.ToPolygon).ToList());
var inside = tilesPolygon.Contains(bboxPoly);
return(inside);
}
