public void QueryEnvelope(RectangularTileIndex forTile,
[NotNull] IEnvelope envelope)
{
RectangularTilingUtils.QueryTileEnvelope(OriginX, OriginY,
TileWidth, TileHeight,
forTile, envelope);
}
private RectangularTileIndex GetTileIndexAt(
double locationX, double locationY,
BorderPointTileAllocationPolicy borderPointTileAllocation)
{
return(RectangularTilingUtils.GetTileIndex(locationX, locationY,
OriginX, OriginY,
TileWidth, TileHeight,
borderPointTileAllocation));
}
public IEnvelope GetIntersectedTilesExtent([NotNull] IEnvelope extent,
[NotNull] IEnvelope constraintExtent)
{
Assert.ArgumentNotNull(extent, nameof(extent));
Assert.False(extent.IsEmpty, "extent is empty");
Assert.ArgumentNotNull(constraintExtent, nameof(constraintExtent));
Assert.False(constraintExtent.IsEmpty, "constraintExtent is empty");
IEnvelope projectedExtent;
GeometryUtils.EnsureSpatialReference(extent, SpatialReference, true,
out projectedExtent);
IEnvelope projectedConstraintExtent;
GeometryUtils.EnsureSpatialReference(constraintExtent, SpatialReference,
true,
out projectedConstraintExtent);
int?leftIndex;
int?rightIndex;
RectangularTilingUtils.GetTileIndexes1D(OriginX, TileWidth,
projectedExtent.XMin, projectedExtent.XMax,
projectedConstraintExtent.XMin,
projectedConstraintExtent.XMax,
out leftIndex, out rightIndex);
int?bottomIndex;
int?topIndex;
RectangularTilingUtils.GetTileIndexes1D(OriginY, TileHeight,
projectedExtent.YMin, projectedExtent.YMax,
projectedConstraintExtent.YMin,
projectedConstraintExtent.YMax,
out bottomIndex, out topIndex);
IEnvelope result;
if (leftIndex == null || rightIndex == null || bottomIndex == null ||
topIndex == null)
{
result = new EnvelopeClass();
result.SpatialReference = SpatialReference;
}
else
{
var tileLL =
new RectangularTileIndex(leftIndex.Value, bottomIndex.Value);
var tileUR =
new RectangularTileIndex(rightIndex.Value, topIndex.Value);
result = GetTileEnvelope(SpatialReference, tileLL, tileUR);
}
return(result);
}
public IEnvelope GetTileEnvelope([CanBeNull] ISpatialReference spatialReference,
params RectangularTileIndex[] tileIndexes)
{
IEnvelope result = RectangularTilingUtils.GetTileEnvelope(OriginX, OriginY,
TileWidth, TileHeight,
spatialReference,
tileIndexes);
return(result);
}
