// On tap, either get related records for the tapped well or find nearby wells if no well was tapped
private async void mapView1_Tap(object sender, MapViewInputEventArgs e)
{
// Show busy UI
BusyVisibility = Visibility.Visible;
// Get the map
if (m_mapView == null)
{
m_mapView = (MapView)sender;
}
// Create graphic and add to tap points
var g = new Graphic()
{
Geometry = e.Location
};
TapPoints.Add(g);
// Buffer graphic by 100 meters, create graphic with buffer, add to buffers
var buffer = GeometryEngine.Buffer(g.Geometry, 100);
Buffers.Add(new Graphic()
{
Geometry = buffer
});
// Find intersecting parcels and show them on the map
var result = await doQuery(buffer);
if (result != null && result.FeatureSet != null && result.FeatureSet.Features.Count > 0)
{
// Instead of adding parcels one-by-one, update the Parcels collection all at once to
// allow the map to render the new features in one rendering pass.
Parcels = new ObservableCollection <Graphic>(Parcels.Union(result.FeatureSet.Features));
}
// Hide busy UI
BusyVisibility = Visibility.Collapsed;
}
// On tap, get an input line and perform a buffer and clip operation
private async void mapView1_Tap(object sender, MapViewInputEventArgs e)
{
if (BusyVisibility == Visibility.Visible)
{
MessageBox.Show("Please wait until the current operation is complete.");
return;
}
// Show busy UI
BusyVisibility = Visibility.Visible;
// Clear previous results
TapPoints.Clear();
Currents.Clear();
// Create graphic and add to tap points
var g = new Graphic()
{
Geometry = e.Location
};
TapPoints.Add(g);
string error = null;
// Initialize the Geoprocessing task with the drive time calculation service endpoint
Geoprocessor task = new Geoprocessor(new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
"Specialty/ESRI_Currents_World/GPServer/MessageInABottle"));
// Initialize input parameters
var parameter = new GPInputParameter()
{
OutSpatialReference = SpatialReferences.WebMercator
};
var projectedMapPoint = GeometryEngine.Project(e.Location, SpatialReferences.Wgs84);
parameter.GPParameters.Add(new GPFeatureRecordSetLayer("Input_Point", projectedMapPoint));
parameter.GPParameters.Add(new GPDouble("Days", Days));
try
{
// Run the operation
var result = await task.ExecuteAsync(parameter);
// Check that layers were returned from the operation
var outputLayers = result.OutParameters.OfType <GPFeatureRecordSetLayer>();
if (outputLayers.Count() > 0)
{
// Get the first layer returned - this will be the drive time areas
var outputLayer = outputLayers.First();
if (outputLayer.FeatureSet != null && outputLayer.FeatureSet.Features != null)
{
// Instead of adding ocean current features one-by-one, update the collection all at once to
// allow the map to render the new features in one rendering pass.
Currents = new ObservableCollection <Graphic>(outputLayer.FeatureSet.Features);
}
else
{
error = "No results returned";
}
}
else
{
error = "No results returned";
}
}
catch (Exception ex)
{
error = "Calculation failed: " + ex.Message;
}
// If operation did not succeed, notify user
if (error != null)
{
MessageBox.Show(error);
}
// Hide busy UI
BusyVisibility = Visibility.Collapsed;
}
private async void mapView1_Tap(object sender, MapViewInputEventArgs e)
{
if (BusyVisibility == Visibility.Visible)
{
MessageBox.Show("Please wait until the current operation is complete.");
return;
}
// Show busy UI
BusyVisibility = Visibility.Visible;
StatusText = "Executing...";
// Clear previous results
TapPoints.Clear();
if (m_viewshedLayer != null)
{
Layers.Remove(m_viewshedLayer);
}
// Create graphic and add to tap points
var g = new Graphic()
{
Geometry = e.Location
};
TapPoints.Add(g);
string error = null;
// Initialize the Geoprocessing task with the viewshed calculation service endpoint
Geoprocessor task = new Geoprocessor(new Uri("http://serverapps101.esri.com/ArcGIS/rest/services/" +
"ProbabilisticViewshedModel/GPServer/ProbabilisticViewshedModel"));
// Initialize input parameters
var parameter = new GPInputParameter()
{
OutSpatialReference = SpatialReferences.WebMercator
};
parameter.GPParameters.Add(new GPFeatureRecordSetLayer("Input_Features", e.Location));
parameter.GPParameters.Add(new GPString("Height", "50"));
parameter.GPParameters.Add(new GPLinearUnit("Distance", LinearUnits.Miles, 10));
try
{
var result = await task.SubmitJobAsync(parameter);
// Poll the server for results every two seconds.
while (result.JobStatus != GPJobStatus.Cancelled &&
result.JobStatus != GPJobStatus.Deleted &&
result.JobStatus != GPJobStatus.Failed &&
result.JobStatus != GPJobStatus.Succeeded &&
result.JobStatus != GPJobStatus.TimedOut)
{
result = await task.CheckJobStatusAsync(result.JobID);
// show the status
var descriptions = result.Messages.Select(msg => msg.Description);
var status = string.Join(Environment.NewLine, descriptions);
if (!string.IsNullOrEmpty(status))
{
StatusText = status;
}
await Task.Delay(2000);
}
if (result.JobStatus == GPJobStatus.Succeeded)
{
// get the results as a ArcGISDynamicMapServiceLayer
StatusText = "Calculation complete. Retrieving results...";
m_viewshedLayer = task.GetResultMapServiceLayer(result.JobID);
if (m_viewshedLayer != null)
{
// Insert the results layer beneath the tap points layer.
// This allows the input point to be visible at all times.
Layers.Insert(Layers.IndexOf(m_tapPointsLayer), m_viewshedLayer);
// Wait until the viewshed layer is initialized
await m_viewshedLayer.InitializeAsync();
}
else
{
error = "No results returned";
}
}
else
{
error = "Viewshed calculation failed";
}
}
catch (Exception ex)
{
error = "Viewshed calculation failed: " + ex.Message;
}
// If operation did not succeed, notify user
if (error != null)
{
MessageBox.Show(error);
}
// Hide busy UI
BusyVisibility = Visibility.Collapsed;
StatusText = "";
}