Advanced Development with ArcGIS API for Silverlight. Morten Nielsen Rex Hansen Jennifer Nery

Transcription

1 Advanced Development with ArcGIS API for Silverlight Morten Nielsen Rex Hansen Jennifer Nery

2 Agenda Graphics data sources Printing Deep dive into image service demo Feature service editor tracking

3 Graphics Data Sources Morten Nielsen

4 Adding graphics to GraphicsLayer foreach(graphic g in mygraphics) graphicslayer.graphics.add(mygraphics); or read-only when GraphicsSource is used! graphicslayer.graphicssource = mygraphics; can by any IEnumerable<Graphic>

5 Adding custom data to a GraphicsLayer public class MyData { public double Longitude { get; set; } public double Latitude { get; set; } } foreach(mydata in datalist) mygraphicslayer.graphics.add( new Graphic() { new MapPoint(Longitude, Latitude) } );

6 must simpler with the PointDataSource <esri:graphicslayer> <esri:graphicslayer.graphicssource> <esri:pointdatasource XCoordinateBinding="{Binding Longitude}" YCoordinateBinding="{Binding Latitude}" ItemsSource="{StaticResource datalist}" /> </esri:graphicslayer.graphicssource> </esri:graphicslayer>

7 Build your own custom datasource! Morten Nielsen

8 Diving into the Image Editor Sample Morten Nielsen

9 Creating Map Overlays Converting between screen and map coordinates: Map.MapToScreen(MapPoint); Map.ScreenToMap(ScreenPoint); Convert screen points between visual elements: map.transformtovisual(elm2).transform( ) Use Map.ExtentChanging event to reposition elements.

10 UploadTask Great for upload of large files. Provides progress, cancellation and deletion. Great for large geoprocessing input or raster uploads.

11 } OpenFileDialog dialog = new OpenFileDialog() { Filter = "Image *.jpg" }; if (dialog.showdialog() == true) { var imagestream = dialog.file.openread(); var uploadtask = new ESRI.ArcGIS.Client.Tasks.UploadTask(serviceUrl); uploadtask.uploadcompleted += (s, e) => { imagestream.close(); //close file stream string itemid = e.result.item.itemid; }; uploadtask.uploadprogress += (s, e) => { Dispatcher.BeginInvoke(() => { progressbar.value = b.byteswritten / (double)b.totalbytes; }); }; uploadtask.uploadasync(new UploadParameters() { FileStream = imagestream, FileName = dialog.file.name });

12 Z & M Support Morten Nielsen

13 Printing Jennifer Nery

14 using ESRI.ArcGIS.Client.Printing var printtask = new PrintTask( ); printtask.executecompleted += (s, e) => { if (e.error == null) HtmlPage.Window.Navigate(e.PrintResult.Url, _blank ); }; printtask.executeasync(new PrintParameters(MyMap)); or printtask.statusupdated += (s, e) => { }; printtask.jobcompleted += (s, e) => { }; printtask.submitjob( );

15 <StackPanel x:name= PrintPanel /> <ComboBox x:name= Templates ItemsSource= {Binding LayoutTemplates} /> <ComboBox x:name= Formats ItemsSource= {Binding Formats} /> <TextBox x:name= MapTitle Text= Print Demo /> </StackPanel> printtask.getserviceinfocompleted += (s, e) => { PrintPanel.DataContext = e.serviceinfo; }; printtask.getserviceinfoasync();

16 var printparams= new PrintParameters(MyMap); printparams.layouttemplate = (string) Templates.SelectedItem; printparams.format = (string) Formats.SelectedItem; printparams.layoutoptions = new LayoutOptions() { Title = MapTitle.Text, LegendOptions = new LegendOptions() { }, ScaleBarOptions = new ScaleBarOptions() { }, }; printparams.mapoptions = new MapOptions() { }; printparams.exportoptions = new ExportOptions() { } printtask.executeasync(printparams);

17 PrintTask: Supported Features in v3.0 Get service information (choice list, type). Support server synchronous/asynchronous type. Ability to cancel print job. Print options: map, export, layout Capabilities: DynamicLayer/Source, GdbVersion. Wrap-around. Token-secured services.

18 PrintTask: Supported Layers in v3.0 ArcGISTiledMapServiceLayer ArcGISDynamicMapServiceLayer ArcGISImageServiceLayer FeatureLayer (service, featurecollection) GraphicsLayer GroupLayer Bing.TileLayer KmlLayer WmsLayer WmtsLayer OpenStreetMapLayer

19 PrintTask: Known Limitations in v3.0 Temporal renderer (except MAP_ONLY) GraphicsLayer at least 1 attribute Custom symbols/renderers Clustering KmlLayer does not support visiblefolders GraphicsLayer with mixed geometries FeatureLayer selection/geometry require ObjectID

20 Editor Tracking Rex Hansen

21 Feature last edited by another user Editor Tracking Feature moved, last edited user and date updated

22 Can t update or delete, don t own the feature Ownership Created feature, can update and delete

23 Feature service Editor tracking FeatureLayer.EditUserName - Client side validation FeatureLayer.IsUpdateAllowed(graphic) - Check if feature can be updated FeatureLayerInfo.EditFieldsInfo - Owner, editor, date FeatureLayerInfo.OwnershipBasedAccessControl - If others can update, delete FeatureLayerInfo.AllowGeometryUpdates - Attribute only editing

24 Related session Supporting High-Quality Printing in Web Applications with ArcGIS 10.1 for Server Craig Williams, Mohammed Hoque Thursday, 1:30pm-2:45pm Primrose C/D

25