/// <summary>
/// Spatial query using DotSpatial
/// </summary>
/// <param name="featureSet">FeatureSet</param>
/// <param name="geometry">Spatial geometry</param>
/// <returns>Selected features</returns>
public static IFeatureSet SpatialQuery(IFeatureSet featureSet, IGeometry geometry)
{
List <IFeature> features = new List <IFeature>();
for (int i = 0; i < featureSet.Features.Count; i++)
{
if (RelateOp.Relate(featureSet.Features[i].Geometry, geometry).IsIntersects())
{
features.Add(featureSet.Features[i]);
}
}
FeatureSet result = new FeatureSet(features);
result.Projection = CloneableEM.Copy(featureSet.Projection);
result.InvalidateEnvelope(); // the new set will likely have a different envelope bounds
return(result);
}
private void ShowPropertiesClick(object sender, EventArgs e)
{
// Allow subclasses to prevent this class from showing the default dialog
HandledEventArgs result = new HandledEventArgs(false);
OnShowProperties(result);
if (result.Handled)
{
return;
}
if (_propertyDialogProvider == null)
{
return;
}
var editCopy = CloneableEM.Copy(this);
CopyProperties(editCopy); // for some reason we are getting blank layers during edits, this tries to fix that
_propertyDialogProvider.ShowDialog(editCopy);
editCopy.Dispose();
LayerManager.DefaultLayerManager.ActiveProjectLayers = new List <ILayer>();
}