// Accept user boundary line and run the Geoprocessing Task to summarize population
private async void SummarizePopulationButton_Click(object sender, RoutedEventArgs e)
{
try
{
txtResult.Visibility = System.Windows.Visibility.Collapsed;
AreaLayer.Graphics.Clear();
var boundary = await mapView.Editor.RequestShapeAsync(DrawShape.Freehand) as Polyline;
var polygon = new Polygon(boundary, mapView.SpatialReference);
polygon = GeometryEngine.Simplify(polygon) as Polygon;
AreaLayer.Graphics.Add(new Graphic()
{
Geometry = polygon
});
progress.Visibility = Visibility.Visible;
Geoprocessor geoprocessorTask = new Geoprocessor(
new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Population_World/GPServer/PopulationSummary"));
var parameter = new GPInputParameter()
{
OutSpatialReference = mapView.SpatialReference
};
parameter.GPParameters.Add(new GPFeatureRecordSetLayer("inputPoly", polygon));
var result = await geoprocessorTask.ExecuteAsync(parameter);
GPRecordSet rs = result.OutParameters.OfType <GPRecordSet>().FirstOrDefault();
if (rs != null && rs.FeatureSet.Features != null)
{
int population = Convert.ToInt32(rs.FeatureSet.Features[0].Attributes["SUM"]);
txtResult.Visibility = System.Windows.Visibility.Visible;
txtResult.Text = string.Format("Area Population: {0:N0}", population);
}
}
catch (Exception ex)
{
MessageBox.Show("Geoprocessor service failed: " + ex.Message, "Sample Error");
}
finally
{
progress.Visibility = Visibility.Collapsed;
}
}
// Accept user boundary line and run the Geoprocessing Task to summarize population
private async void SummarizePopulationButton_Click(object sender, RoutedEventArgs e)
{
try
{
txtResult.Visibility = Visibility.Collapsed;
_areaOverlay.Graphics.Clear();
var boundary = await MyMapView.Editor.RequestShapeAsync(DrawShape.Freehand) as Polyline;
var polygon = new Polygon(boundary.Parts, MyMapView.SpatialReference);
polygon = GeometryEngine.Simplify(polygon) as Polygon;
_areaOverlay.Graphics.Add(new Graphic()
{
Geometry = polygon
});
progress.Visibility = Visibility.Visible;
Geoprocessor geoprocessorTask = new Geoprocessor(new Uri(PopulationSummaryServiceUrl));
var parameter = new GPInputParameter()
{
OutSpatialReference = MyMapView.SpatialReference
};
parameter.GPParameters.Add(new GPFeatureRecordSetLayer("inputPoly", polygon));
var result = await geoprocessorTask.ExecuteAsync(parameter);
GPRecordSet rs = result.OutParameters.OfType <GPRecordSet>().FirstOrDefault();
if (rs != null && rs.FeatureSet.Features != null)
{
int population = Convert.ToInt32(rs.FeatureSet.Features[0].Attributes["SUM"]);
txtResult.Visibility = Visibility.Visible;
txtResult.Text = string.Format("Area Population: {0:N0}", population);
}
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
finally
{
progress.Visibility = Visibility.Collapsed;
}
}
/// <summary>
/// Method converts breaks from routes to GPRecordSet.
/// </summary>
/// <param name="routes">Routes collection to get breaks.</param>
/// <param name="addSequence">Flag, showing that we must
/// add sequence attribute to break gp feature.</param>
/// <returns>Breaks GPRecordSet.</returns>
public GPRecordSet ConvertBreaks(ICollection <Route> routes, bool addSequence)
{
Debug.Assert(routes != null);
List <GPFeature> features = new List <GPFeature>();
// Convert all breaks for every route to GP Features.
foreach (Route route in routes)
{
Breaks breaks = (Breaks)route.Breaks.Clone();
features.AddRange(_ConvertToGPBreaks(breaks, route, addSequence));
}
GPRecordSet rs = null;
if (features.Count > 0)
{
rs = new GPRecordSet();
rs.Features = features.ToArray();
}
return(rs);
}
public static string ParameterToString(GPParameterType type, GPParameter param, CultureInfo culture)
{
if (param == null)
{
return(string.Empty);
}
switch (type)
{
case GPParameterType.Boolean:
GPBoolean boo = param as GPBoolean;
if (boo != null)
{
return(boo.Value.ToString());
}
else
{
return(string.Empty);
}
case GPParameterType.Date:
GPDate date = param as GPDate;
if (date != null && date.Value != null)
{
return(date.Value.Ticks.ToString());
}
else
{
return(string.Empty);
}
case GPParameterType.Double:
GPDouble dub = param as GPDouble;
if (dub != null && !double.IsNaN(dub.Value))
{
return(dub.Value.ToString(culture));
}
else
{
return(string.Empty);
}
case GPParameterType.Long:
GPLong lon = param as GPLong;
if (lon != null)
{
return(lon.Value.ToString());
}
else
{
return(string.Empty);
}
case GPParameterType.String:
GPString stir = param as GPString;
if (stir != null && stir.Value != null)
{
return(stir.Value);
}
else
{
return(string.Empty);
}
case GPParameterType.FeatureLayer:
GPFeatureRecordSetLayer feat = param as GPFeatureRecordSetLayer;
if (feat != null && feat.Url != null)
{
return(feat.Url);
}
else
{
return(string.Empty);
}
case GPParameterType.RecordSet:
GPRecordSet rsl = param as GPRecordSet;
if (rsl != null && rsl.Url != null)
{
return(rsl.Url);
}
else
{
return(string.Empty);
}
case GPParameterType.DataFile:
GPDataFile dat = param as GPDataFile;
if (dat != null && dat.Url != null)
{
return(dat.Url);
}
else
{
return(string.Empty);
}
}
return(string.Empty);
}
private void BuildUI()
{
if (ParamContainer == null || ParameterConfigs == null ||
ParameterConfigs.Count < 1)
{
return;
}
if ((Results == null || Results.Count < 1) && (Errors == null || Errors.Count < 1))
{
return;
}
if (!inputLayerInfoAvailable())
{
return;
}
ParamContainer.Children.Clear();
ParamContainer.ColumnDefinitions.Clear();
ParamContainer.RowDefinitions.Clear();
ParamContainer.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = GridLength.Auto
});
ParamContainer.ColumnDefinitions.Add(new ColumnDefinition()); // { Width = new GridLength(0, GridUnitType.Star) });
HasSimpleResults = false;
layerParamNameIDLookup = InputLayers != null ?
new Dictionary <string, string>(InputLayers) : new Dictionary <string, string>();
int pendingGPResultImageLayers = 0;
#region Results
if (Results != null && Results.Count > 0)
{
#region GP mapserver result
MapServiceLayerParameterConfig mapServiceLayerParameterConfig = ParameterConfigs.FirstOrDefault(p => p.Type == GPParameterType.MapServiceLayer) as MapServiceLayerParameterConfig;
if (mapServiceLayerParameterConfig != null && mapServiceLayerParameterConfig.SupportsJobResource)
{
string t = "/rest/services/";
string url = string.Format("{0}/{1}/MapServer/jobs/{2}", TaskUrl.Substring(0, TaskUrl.IndexOf(t, StringComparison.OrdinalIgnoreCase) + t.Length - 1), mapServiceLayerParameterConfig.Name, JobID);
ArcGISDynamicMapServiceLayer layer = new ArcGISDynamicMapServiceLayer
{
Url = url,
ProxyURL = UseProxy ? ProxyUrl : null
};
layer.SetValue(ESRI.ArcGIS.Mapping.Core.LayerExtensions.ExcludeSerializationProperty, true);
addToMap(mapServiceLayerParameterConfig, layer);
}
#endregion
#region display each result
foreach (ParameterConfig config in ParameterConfigs)
{
MapServiceLayerParameterConfig cfg;
if (config.Type == GPParameterType.MapServiceLayer && (cfg = config as MapServiceLayerParameterConfig) != null && !cfg.SupportsJobResource)
{
pendingGPResultImageLayers++;
Geoprocessor gp = new Geoprocessor(TaskUrl);
gp.OutputSpatialReference = Map.SpatialReference.Clone();
gp.GetResultImageLayerCompleted += (s, e) =>
{
GPResultImageLayer gpImageLayer = e.GPResultImageLayer;
setLayerProps(cfg, gpImageLayer);
gpImageLayer.ProxyUrl = UseProxy ? ProxyUrl : null;
Map.Layers.Add(gpImageLayer);
layerParamNameIDLookup.Add(cfg.Name, gpImageLayer.ID);
pendingGPResultImageLayers--;
if (layerParamNameIDLookup.Count > 1 && pendingGPResultImageLayers == 0)
{
LayerOrderer.OrderLayers(Map, LayerOrder, layerParamNameIDLookup);
}
};
// Initialize proxy
gp.ProxyURL = UseProxy ? ProxyUrl : null;
gp.GetResultImageLayerAsync(JobID, cfg.Name);
continue;
}
GPParameter param = getParameter(config.Name);
if (param == null)
{
continue;
}
string value = ParameterBase.ParameterToDisplayString(config.Type, param);
switch (config.Type)
{
case GPParameterType.Boolean:
case GPParameterType.Double:
case GPParameterType.Long:
case GPParameterType.String:
case GPParameterType.Date:
case GPParameterType.LinearUnit:
if (value == null)
{
value = string.Empty;
}
addparamUI(config.Label, value, false);
break;
case GPParameterType.FeatureLayer:
addToMap(param as GPFeatureRecordSetLayer, config);
break;
case GPParameterType.RecordSet:
if (string.IsNullOrEmpty(value) && param is GPRecordSet)
{
GPRecordSet rs = param as GPRecordSet;
if (string.IsNullOrEmpty(rs.Url) && rs.FeatureSet != null)
{
value = ESRI.ArcGIS.Mapping.GP.Resources.Strings.OnlyUrlOutputIsSupportedForRecordsets;
}
else
{
value = string.Empty;
}
addparamUI(config.Label, value, false);
}
else
{
addparamUI(config.Label, value, true);
}
break;
case GPParameterType.DataFile:
case GPParameterType.RasterData:
case GPParameterType.RasterDataLayer:
if (value == null)
{
value = string.Empty;
}
addparamUI(config.Label, value, true);
break;
}
}
#endregion
if (layerParamNameIDLookup.Count > 1 && pendingGPResultImageLayers == 0)
{
LayerOrderer.OrderLayers(Map, LayerOrder, layerParamNameIDLookup);
}
}
#endregion
#region Errors
if (Errors != null && Errors.Count > 0)
{
foreach (Exception error in Errors)
{
addparamUI(ESRI.ArcGIS.Mapping.GP.Resources.Strings.LabelError + " ", error.Message, false);
HasSimpleResults = true;
}
}
#endregion
}