Latest Contributions by ChristopherMugdan

Hi Tyler, It would seem that the current SDK is not ideal for our purposes. I shall investigate the Python engine. Thanks for your assistance. ... View more

Hi Eric, Would you consider providing an SDK that does what we need without the javafx paraphernalia? I would even be happy to have the asynchronous operations with the ListenableFuture<> even though we do not need them to be asynchronous. I guess that the licensing model would need to be different and it would be good to know from the outset what that might be, including estimated costs. Chris ... View more

Hi Tyler, The code hangs even when in an entirely isolated environment and not in our Web application. Could it be that I have not extended javafx.application.Application nor have I created a Stage or Scene? Would you be able to try the code yourself and see what you get? Cheers, Chris ... View more

Hi Eric, Our application Map Intelligence is a Java Web application that is usually installed in a Tomcat Web container. It has its own user interface that renders maps inside Business Intelligence tools. We have adapters for a number of GIS back ends including one for ArcGIS Server. Currently the adapter connects to the REST interface of ArcGIS Server to render maps from map services. We want to do the same with ArcGIS Online web maps and that is why I have been investigating the ArcGIS Java SDK as I thought it would be suitable to fetch the layer data from ArcGIS Online and render the maps locally based on local content and the ArcGIS Online layers. Have a look at our website: www.integeo.com to see who we are and there is a demo map viewer using ArcGIS Server at http://arcdemo.development.integeo.com/mapIntelligence Any suggestions based on the above model would be gratefully received. Cheers, Chris ... View more

Hi Tyler, Thanks for the response, it is much appreciated. I modified the code as per the first example and that all works fine now. I am starting to get a feel for the operation of the SDK bit by bit. However, now that I have the map and mapView, when I try to render the image as per the second example, it hangs when the "addDoneListener" line executes and the actions in that listener lambda do not get executed. The test program does not exit. I have appended the modified code. It would be really nice to have synchronous versions of the current asynchronous operations for our purposes (see below.) I should explain that our application Map Intelligence is not the type of application that the SDK usually supports. It is a web application (installed in Tomcat by default) that renders maps in its own UI. We currently connect to the ArcGIS Server using the REST interface to render maps (with map services) and I was hoping to do something similar with the ArcGIS Java SDK so that we can connect to ArcGIS Online. We do not use the JavaFX library at all and this is the first time I have needed to get involved in it. I am wondering if the hanging request is because the JavaFX library is not properly set up? Do you have an explanation? A question on the use of the get() method in the Listenable Future: in the Java Future class the get() method waits on the conclusion of the asynchronous action. I see that the ListenableFuture overrides this method. When is it acceptable to use the get() method in the ArcGIS Java SDK? Cheers, Chris  The modified code: com.sun.javafx.application.PlatformImpl.startup(()->{}); MapView mapView = new MapView(); SpatialReference sr = SpatialReference.create(4326); ArcGISMap map = new ArcGISMap(sr); ArrayList<Field> fields = new ArrayList<>(); fields.add(Field.createInteger("ID", "ID")); fields.add(Field.createString("NAME", "NAME", 256)); FeatureCollectionTable ft = new FeatureCollectionTable(fields, GeometryType.POINT, sr); ArrayList<Feature> features = new ArrayList<>(); HashMap<String,Object> attrs1 = new HashMap<>(); attrs1.put("ID", 1); attrs1.put("NAME", "point 1"); Geometry geom1 = new Point(151.096, -33.709, sr); Feature f1 = ft.createFeature(attrs1, geom1); features.add(f1); HashMap<String,Object> attrs2 = new HashMap<>(); attrs2.put("ID", 2); attrs2.put("NAME", "point 2"); Geometry geom2 = new Point(151.091, -33.706, sr); Feature f2 = ft.createFeature(attrs2, geom2); features.add(f2); HashMap<String,Object> attrs3 = new HashMap<>(); attrs3.put("ID", 3); attrs3.put("NAME", "point 3"); Geometry geom3 = new Point(151.103, -33.704, sr); Feature f3 = ft.createFeature(attrs3, geom3); features.add(f3); ListenableFuture<Void> loaded = ft.addFeaturesAsync(features); try {    loaded.get(); } catch (Throwable t) {    System.out.println(t.getMessage()); } FeatureCollection fc = new FeatureCollection(); Renderer rdr = new SimpleRenderer(); ft.setRenderer(rdr); fc.getTables().add(ft); FeatureCollectionLayer fl = new FeatureCollectionLayer(fc); map.getOperationalLayers().add(fl); mapView.setMap(map); Envelope e = new Envelope(151.090, -33.713, 151.107, -33.702, sr); Viewpoint vp = new Viewpoint(e); mapView.setViewpoint(vp); ListenableFuture<Image> imageResult = mapView.exportImageAsync(); imageResult.addDoneListener(() -> {     try {       // get image       Image image = imageResult.get();       // choose a location to save the file       File file = new File("C:/tmp/img.png");       if (file != null) {         // write the image to the save location         ImageIO.write(SwingFXUtils.fromFXImage(image, null), "png", file);       }     }     catch (Exception ex)     {       ex.printStackTrace();     }     finally     {         mapView.dispose();     } }); ... View more

An update on this: I upgraded to 10.5.1 and it worked again. Something must have got scrambled in the 10.5 server. ... View more

Disregard this. I have found what I am looking for. Cheers, Chris Mugdan ... View more

Thanks for you reply Jake. I had a look at the JSON and I can see the setting in properties. Unfortunately I cannot readily get this information. Currently, my application uses the ArcGIS REST API to render map images using the Print Tools ExportWebMap and I want to use the Export Map facility in the map services because it is quicker and more flexible (and less buggy;-). I need to use dynamic workspaces for this so I need to know in advance whether a map service has a dynamic workspace in it.If the service does not have a suitable dynamic workspace then I revert to my current method of rendering the map image. Maybe the best way is to send a test "dummy" request to the service when I get its information and check the response? It is just a bit of a nuisance! Cheers, Chris ... View more