// Accept user click point and select the underlying target polygon
private async Task SelectTargetGeometryAsync()
{
txtInstruct.Text = "Click to select a target geometry";
_coordinateOverlay.Graphics.Clear();
_targetOverlay.Graphics.Clear();
Graphic graphic = null;
while (graphic == null)
{
var point = await MyMapView.Editor.RequestPointAsync();
graphic = await _graphicsOverlay.HitTestAsync(MyMapView, MyMapView.LocationToScreen(point));
if (graphic == null)
{
continue;
}
_targetOverlay.Graphics.Add(graphic);
var poly = graphic.Geometry as Polygon;
foreach (var coord in poly.Parts.First().GetPoints())
{
_targetOverlay.Graphics.Add(new Graphic(coord, _vertexSymbol));
}
}
}
private async Task SelectParcelForOffsetAsync()
{
ResetButton.IsEnabled = false;
try
{
_offsetOverlay.Graphics.Clear();
var pointGeom = await MyMapView.Editor.RequestPointAsync();
var screenPnt = MyMapView.LocationToScreen(pointGeom);
_selectedParcelGraphic = await
_parcelOverlay.HitTestAsync(MyMapView, screenPnt);
DoOffset();
}
catch (TaskCanceledException) { }
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message).ShowAsync();
}
ResetButton.IsEnabled = true;
}
// Hittest the graphics layer and show the map tip for the selected graphic
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
try
{
_graphicsOverlay.ClearSelection();
var graphic = await _graphicsOverlay.HitTestAsync(MyMapView, e.Position);
if (graphic != null)
{
graphic.IsSelected = true;
MapView.SetViewOverlayAnchor(_mapTip, e.Location);
_mapTip.DataContext = graphic;
_mapTip.Visibility = Visibility.Visible;
}
else
{
_mapTip.Visibility = Visibility.Collapsed;
}
}
catch
{
_mapTip.Visibility = Visibility.Collapsed;
}
}
private async Task SelectParcelForOffsetAsync()
{
try
{
ResetButton.IsEnabled = false;
_offsetOverlay.Graphics.Clear();
var pointGeom = await MyMapView.Editor.RequestPointAsync();
var screenPnt = MyMapView.LocationToScreen(pointGeom);
_selectedParcelGraphic = await
_parcelOverlay.HitTestAsync(MyMapView, screenPnt);
DoOffset();
}
catch (TaskCanceledException) { }
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Sample Error");
}
finally
{
ResetButton.IsEnabled = true;
}
}
private async void mapView1_MapViewTapped(object sender, Esri.ArcGISRuntime.Controls.MapViewInputEventArgs e)
{
Graphic hitGraphic = await _addressOverlay.HitTestAsync(MyMapView, e.Position);
if (hitGraphic != null)
{
if (maptip.Visibility == Windows.UI.Xaml.Visibility.Collapsed)
{
MapTipGraphic = hitGraphic;
RenderMapTip();
}
else
{
maptip.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
maptip.DataContext = null;
MapTipGraphic = null;
}
}
}
private async void MouseRightButtonUp(object parameter)
{
Point curPoint = Mouse.GetPosition(tagView as FrameworkElement);
MapPoint tagPoint = tagView.ScreenToLocation(curPoint);
_graphicsOverlay = tagView.GraphicsOverlays["drawGraphicsOverlay"];
var ga = await _graphicsOverlay.HitTestAsync(tagView, curPoint);
if (ga != null)
{
if (ga.Geometry.GeometryType == GeometryType.Point)
{
drawPointGraphic = ga;
drawpointX = (drawPointGraphic.Geometry as MapPoint).X;
drawpointY = (drawPointGraphic.Geometry as MapPoint).Y;
drawpointZ = (drawPointGraphic.Geometry as MapPoint).Z;
if (pointwinshowing == false)
{
pointWin = new PointToolWin();
pointwinshowing = true;
pointWin.ShowDialog();
}
}
if (ga.Geometry.GeometryType == GeometryType.Polyline)
{
drawLineGraphic = ga;
linegraphictext = drawLineGraphic.Attributes["Label"] as string;
linewidth = (drawLineGraphic.Symbol as SimpleLineSymbol).Width;
Esri.ArcGISRuntime.Geometry.PointCollection tagcol = new Esri.ArcGISRuntime.Geometry.PointCollection();
foreach (var part in (drawLineGraphic.Geometry as Polyline).Parts)
{
for (int i = 0; i < part.Count; i++)
{
var linepart = part.ElementAt(i);
tagcol.Add(linepart.StartPoint);
if (i == (part.Count - 1))
{
tagcol.Add(linepart.EndPoint);
}
drawLineZ = linepart.StartPoint.Z;
}
}
Linepointcollec = tagcol;
if (linewinshowing == false)
{
LineWin = new LineToolWin();
linewinshowing = true;
LineWin.ShowDialog();
}
}
if (ga.Geometry.GeometryType == GeometryType.Polygon)
{
drawPolygonGraphic = ga;
polygongraphictext = drawPolygonGraphic.Attributes["Label"] as string;
Esri.ArcGISRuntime.Geometry.PointCollection tagcol = new Esri.ArcGISRuntime.Geometry.PointCollection();
foreach (var part in (drawPolygonGraphic.Geometry as Polygon).Parts)
{
for (int i = 0; i < part.Count; i++)
{
var Polygonpart = part.ElementAt(i);
tagcol.Add(Polygonpart.StartPoint);
if (i == (part.Count - 1))
{
tagcol.Add(Polygonpart.EndPoint);
}
drawPolygonZ = Polygonpart.StartPoint.Z;
}
}
Polygonpointcollec = tagcol;
if (Polygonwinshowing == false)
{
PolygonWin = new PolygonToolWin();
Polygonwinshowing = true;
PolygonWin.ShowDialog();
}
}
}
}
private async void MouseRightButtonUp(object parameter)
{
Point curPoint = Mouse.GetPosition(tagView as FrameworkElement);
MapPoint tagPoint = tagView.ScreenToLocation(curPoint);
_graphicsOverlay = tagView.GraphicsOverlays["drawGraphicsOverlay"];
var ga = await _graphicsOverlay.HitTestAsync(tagView, curPoint);
if (ga != null)
{
if(ga.Geometry.GeometryType==GeometryType.Point)
{
drawPointGraphic = ga;
drawpointX = (drawPointGraphic.Geometry as MapPoint).X;
drawpointY = (drawPointGraphic.Geometry as MapPoint).Y;
drawpointZ = (drawPointGraphic.Geometry as MapPoint).Z;
if(pointwinshowing==false)
{
pointWin = new PointToolWin();
pointwinshowing = true;
pointWin.ShowDialog();
}
}
if (ga.Geometry.GeometryType == GeometryType.Polyline)
{
drawLineGraphic = ga;
linegraphictext = drawLineGraphic.Attributes["Label"] as string;
linewidth = (drawLineGraphic.Symbol as SimpleLineSymbol).Width;
Esri.ArcGISRuntime.Geometry.PointCollection tagcol = new Esri.ArcGISRuntime.Geometry.PointCollection();
foreach (var part in (drawLineGraphic.Geometry as Polyline).Parts)
{
for(int i=0;i<part.Count;i++)
{
var linepart = part.ElementAt(i);
tagcol.Add(linepart.StartPoint);
if(i==(part.Count-1)) tagcol.Add(linepart.EndPoint);
drawLineZ = linepart.StartPoint.Z;
}
}
Linepointcollec = tagcol;
if(linewinshowing==false)
{
LineWin = new LineToolWin();
linewinshowing = true;
LineWin.ShowDialog();
}
}
if (ga.Geometry.GeometryType == GeometryType.Polygon)
{
drawPolygonGraphic = ga;
polygongraphictext = drawPolygonGraphic.Attributes["Label"] as string;
Esri.ArcGISRuntime.Geometry.PointCollection tagcol = new Esri.ArcGISRuntime.Geometry.PointCollection();
foreach (var part in (drawPolygonGraphic.Geometry as Polygon).Parts)
{
for (int i = 0; i < part.Count; i++)
{
var Polygonpart = part.ElementAt(i);
tagcol.Add(Polygonpart.StartPoint);
if (i == (part.Count - 1)) tagcol.Add(Polygonpart.EndPoint);
drawPolygonZ = Polygonpart.StartPoint.Z;
}
}
Polygonpointcollec = tagcol;
if(Polygonwinshowing==false)
{
PolygonWin = new PolygonToolWin();
Polygonwinshowing = true;
PolygonWin.ShowDialog();
}
}
}
}
private async void mapView1_MapViewTapped(object sender, Esri.ArcGISRuntime.Controls.MapViewInputEventArgs e)
{
if (MyMapView.Editor.IsActive || _layer == null)
{
return;
}
_layer.ClearSelection();
Graphic hitGraphic = await _stopsOverlay.HitTestAsync(MyMapView, e.Position);
var features = await _layer.HitTestAsync(MyMapView, e.Position);
if (hitGraphic != null)
{
FlyoutBase.ShowAttachedFlyout((FrameworkElement)sender);
return;
}
if (features != null)
{
string message = null;
MyMapView.Overlays.Items.Clear();
try
{
if (!features.Any())
{
return;
}
var featureID = features.FirstOrDefault();
_layer.SelectFeatures(new long[] { featureID });
var feature = (GeodatabaseFeature)await _layer.FeatureTable.QueryAsync(featureID);
message = _layer.DisplayName;
for (int i = 0; i < feature.Attributes.Values.Count(); i++)
{
if (feature.Attributes.Keys.ToArray()[i].ToString() != "OBJECTID")
{
message += "\n" + feature.Attributes.Keys.ToArray()[i] + ": " + feature.Attributes.Values.ToArray()[i];
}
}
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
{
var result = message;
var overlay = new ContentControl()
{
HorizontalAlignment = HorizontalAlignment.Right, VerticalAlignment = VerticalAlignment.Top
};
overlay.Template = LayoutRoot.Resources["PopUpTipTemplate"] as ControlTemplate;
overlay.DataContext = result;
MapView.SetViewOverlayAnchor(overlay, e.Location);
MyMapView.Overlays.Items.Add(overlay);
}
}
}
