public bool Consume(InkStroke inkStroke)
{
GeneralTransform gt = MainViewController.Instance.InkableScene.TransformToVisual(dxSurface);
List <Windows.Foundation.Point> selectionPoints = inkStroke.Points.Select(p => gt.TransformPoint(p)).
GetLineString().Buffer(1).Coordinates.Select(c => c.GetWindowsPoint()).ToList();
IList <Vec> convexHull = Convexhull.convexhull(selectionPoints);
IGeometry convexHullPoly = convexHull.Select(vec => new Windows.Foundation.Point(vec.X, vec.Y)).ToList().GetPolygon();
List <FilterModel> hits = new List <FilterModel>();
foreach (var geom in _plotRendererContentProvider.HitTargets.Keys)
{
if (convexHullPoly.Intersects(geom))
{
hits.Add(_plotRendererContentProvider.HitTargets[geom]);
}
}
if (hits.Count > 0)
{
foreach (var valueComparison in hits[0].ValueComparisons)
{
Debug.WriteLine((valueComparison.AttributeTransformationModel.AttributeModel.RawName + " " +
valueComparison.Value));
}
HistogramOperationModel histogramOperationModel = (HistogramOperationModel)((HistogramOperationViewModel)DataContext).OperationModel;
var vcs = hits.SelectMany(h => h.ValueComparisons).ToList();
var xAom = histogramOperationModel.GetAttributeUsageTransformationModel(AttributeUsage.X).First();
var yAom = histogramOperationModel.GetAttributeUsageTransformationModel(AttributeUsage.Y).First();
if (hits.Any(h => histogramOperationModel.FilterModels.Contains(h)))
{
histogramOperationModel.RemoveFilterModels(hits);
}
else
{
histogramOperationModel.AddFilterModels(hits);
}
}
else
{
var bczhits = new List <BczBinMapModel>();
foreach (var geom in _plotRendererContentProvider.BczHitTargets.Keys)
{
if (convexHullPoly.Intersects(geom))
{
bczhits.Add(_plotRendererContentProvider.BczHitTargets[geom]);
}
}
if (bczhits.Count > 0)
{
_plotRendererContentProvider.UpdateBinSortings(bczhits);
render();
}
}
return(true);
}
public override bool EndSelection()
{
IList <Vec> convexHull = Convexhull.convexhull(_selectionPoints);
IGeometry convexHullPoly = convexHull.Select(vec => new Windows.Foundation.Point(vec.X, vec.Y)).ToList().GetPolygon();
List <FilterModel> hits = new List <FilterModel>();
foreach (var geom in _plotRendererContentProvider.HitTargets.Keys)
{
if (convexHullPoly.Intersects(geom))
{
hits.Add(_plotRendererContentProvider.HitTargets[geom]);
}
}
if (hits.Count > 0)
{
foreach (var valueComparison in hits[0].ValueComparisons)
{
Debug.WriteLine((valueComparison.AttributeTransformationModel.AttributeModel.RawName + " " +
valueComparison.Value));
}
HistogramOperationModel histogramOperationModel = (HistogramOperationModel)((HistogramOperationViewModel)DataContext).OperationModel;
if (hits.Any(h => histogramOperationModel.FilterModels.Contains(h)))
{
histogramOperationModel.RemoveFilterModels(hits);
}
else
{
histogramOperationModel.AddFilterModels(hits);
}
return(true);
}
var bczhits = new List <BczBinMapModel>();
foreach (var geom in _plotRendererContentProvider.BczHitTargets.Keys)
{
if (convexHullPoly.Intersects(geom))
{
bczhits.Add(_plotRendererContentProvider.BczHitTargets[geom]);
}
}
if (bczhits.Count > 0)
{
_plotRendererContentProvider.UpdateBinSortings(bczhits);
render();
return(true);
}
return(false);
}