/// <summary>
/// Transforms a <see cref="BoundingBox"/>
/// </summary>
/// <param name="box">Geometry to transform</param>
/// <param name="from">Source Projection</param>
/// <param name="to">Target Projection</param>
/// <returns>Transformed BoundingBox</returns>
public static BoundingBox TransformBox(BoundingBox box, ProjectionInfo from, ProjectionInfo to)
{
var corners = new[] { box.MinX, box.MinY, box.MinX, box.MaxY, box.MaxX, box.MaxY, box.MaxX, box.MinY };
Reproject.ReprojectPoints(corners, null, from, to, 0, 4);
var res = new BoundingBox(corners[0], corners[4], corners[1], corners[5]);
res.ExpandToInclude(new BoundingBox(corners[2], corners[6], corners[3], corners[7]));
return res;
}
/// <summary>
/// Transforms a <see cref="BoundingBox"/>
/// </summary>
/// <param name="box">Geometry to transform</param>
/// <param name="from">Source Projection</param>
/// <param name="to">Target Projection</param>
/// <returns>Transformed BoundingBox</returns>
public static BoundingBox TransformBox(BoundingBox box, ProjectionInfo from, ProjectionInfo to)
{
var corners = new[] { box.MinX, box.MinY, box.MinX, box.MaxY, box.MaxX, box.MaxY, box.MaxX, box.MinY };
Reproject.ReprojectPoints(corners, null, from, to, 0, 4);
var res = new BoundingBox(corners[0], corners[4], corners[1], corners[5]);
res.ExpandToInclude(new BoundingBox(corners[2], corners[6], corners[3], corners[7]));
return(res);
}
public override GeoAPI.Geometries.Envelope GetFeatureExtent(string where)
{
FieldSelection fieldSelection = new FieldSelection(this, GeometryField.Name);
QueryFilter queryFilter = new QueryFilter(GeometryField.Name, where);
RecordSet recordSet = _service.MapServer.QueryFeatureData(DataFrame.Name, _mapLayerInfo.LayerID, queryFilter);
DataTable table = RecordSetToTable(recordSet, fieldSelection);
GeoAPI.Geometries.Envelope extent = new GeoAPI.Geometries.Envelope();
foreach (DataRow row in table.Rows)
{
if (!row.IsNull(0))
{
extent.ExpandToInclude(((IGeometry)row[0]).EnvelopeInternal);
}
}
return(extent);
}
