protected override void DrawCore(GeoCanvas canvas, Collection <SimpleCandidate> labelsInAllLayers)
{
Collection <string> ids = rTreeIndex.GetFeatureIdsIntersectingBoundingBox(canvas.CurrentWorldExtent);
var layers = rasterLayers.Where(a => ids.Contains(a.PathFilename));
foreach (var layer in layers)
{
layer.Open();
layer.Draw(canvas, labelsInAllLayers);
}
}
protected override Collection <Feature> GetFeaturesInsideBoundingBoxCore(RectangleShape boundingBox, IEnumerable <string> returningColumnNames)
{
if (!RequireIndex)
{
return(base.GetFeaturesInsideBoundingBoxCore(boundingBox, returningColumnNames));
}
Collection <Feature> results = new Collection <Feature>();
string[] ids = rTreeIndex.GetFeatureIdsIntersectingBoundingBox(boundingBox).ToArray();
if (ids.Length > 0)
{
results = GetFeaturesByIdsCore(ids, returningColumnNames);
}
return(results);
}
protected override Collection <Feature> GetFeaturesInsideBoundingBoxCore(RectangleShape boundingBox, IEnumerable <string> returningColumnNames)
{
//Validators.CheckFeatureSourceIsOpen(IsOpen);
//Validators.CheckParameterIsNotNull(boundingBox, "boungingBox");
//Validators.CheckShapeIsValidForOperation(boundingBox);
Collection <Feature> returnValues = new Collection <Feature>();
//if (rTreeIndex.HasIdx)
if (rTreeIndex != null)
{
Collection <string> ids = rTreeIndex.GetFeatureIdsIntersectingBoundingBox(boundingBox);
returnValues = GetFeaturesByIdsCore(ids, returningColumnNames);
}
else
{
returnValues = base.GetFeaturesInsideBoundingBoxCore(boundingBox, returningColumnNames);
}
return(returnValues);
}