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Getting results from submitJob:

DorothyMortenson

Hello,
I have a gp.submitJob that works, as in it goes and runs the job as expected. It creates several GIS files. (this works if I just run the gp.submitJob(params)).

Now I want to get the results to come back (get a specific featureclass, called wshed_results.gdb\wshed_1)

I don't really know what I'm doing, but here is what I have so far. I am getting a "1067: Implicit coercion of a value of type Function to an unrelated type mx.rpc:IResponder." error.

Any ideas on what I really should be doing?
Dorothy

//===============
...
                    gp.submitJob(params, completeCallback, statusCallback);

                }

private function statusCallback(jobInfo):void
{
Alert.show(jobInfo.jobStatus);
}
private function completeCallback(jobInfo):void
{
gp.getResultData(jobInfo.jobId, result.value.features, displayResult);

}

private function displayResult(result, messages):void
{
    var features = result.value.features;
    var graphic:Graphic = new Graphic(features);
     for each (var graphic:Graphic in event.executeResult.parameterValues[0].value.features)
     {
      graphic.symbol = watershedSimpleFill;
       myGraphicsLayer.add(graphic);
     }

/================

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SubramanianSwaminathan

@Dorothy-

Could you please share more of your python script related to the gp script tool?

I have a simple ExporttoPDF python script which I have converted onto a gp service on ArcGIS Server. SubmitJob executes successfully and the pdf file is created in the local drive.

I do not know how to copy the local file into the scratch workspace of the job and set it as output parameter so that I can access the output through a Flex application similar to you what you do.

Thanks
Subu

seanlo

Glad to hear that you managed to solve the problem! Sorry for the slow reply.. been busy with two projects. T_T

DorothyMortenson

I got some help from ESRI. Here is an entire script that works. Some things I learned:
* You do not have to have a map service for the results. It will go right onto your ArcGISDynamicMapServiceLayer.
* There's two kinds of listeners you need: One to check to see if the job is done; the other to do something about it when it is done.
* Here's what you need to do to set up the output.
- In ArcCatalog, right click on your tool to bring up the Properties.
- You will need to specify what your output will be, say result_wshed. I set this to a Feature Class.
- I used these settings:
    -- Type = Required
    -- Direction = Output
    -- MultiValue = No
    -- Default = %scratchworkspace%\scratch.gdb\result_wshed
    -- Environment = (I left blank)
    -- Filer = None
    -- Obtained from (I left blank)
    -- Symbology = (pointed to where a file was in the scratch workspace, tho I don't think it's necessary).

I also had an output file that was a text file. I set this to a Text File. Settings are similar except
    -- Default = %scratchworkspace%\analysis_report.txt

Within Python, you bring in these as they are a parameter. I did my usual geoprocessing and when I was done, I copied the data to these output files in the scratchworkspace. I may change that, as I don't want to do any more processing than needed, but it works for now.

Here's some bits from Python:

    # Script arguments...
    xcoord_ft   = sys.argv[1]
    ycoord_ft   = sys.argv[2]
    WRD_ID      = sys.argv[3]
    stream_name = sys.argv[4]
    stream_code = sys.argv[5]
    basin       = sys.argv[6]
    basin_num   = sys.argv[7]
    huc_code    = sys.argv[8]
    peak_region = sys.argv[9]

    # These two are parameters for the output...
    result_wshed = sys.argv[10]
    analysis_report = sys.argv[11]

    <geoprocessing code here....>

    # Copies the report to the scratch workspace
    shutil.copyfile(output_report, analysis_report)

    # Copies the result watershed to the scartch workspace
    gp.copy_management(wshed_1,result_wshed)

Now for the MXML that made it work...

======================================

<?xml version="1.0" encoding="utf-8"?>
<mx:Application
      xmlns:mx="http://www.adobe.com/2006/mxml"
      xmlns:esri="http://www.esri.com/2008/ags"
      layout="absolute">

      <mx:Script>
            <![CDATA[
             import com.esri.ags.Graphic;
             import mx.rpc.events.FaultEvent;
             import mx.rpc.AsyncResponder;
               import mx.controls.Alert;
               import com.esri.ags.SpatialReference;
               import com.esri.ags.events.GeoprocessorEvent;
               import com.esri.ags.tasks.FeatureSet;
               import com.esri.ags.tasks.ParameterValue;

             private function RunTask():void
             {
                 var outSR:SpatialReference = new SpatialReference(2992);
                 var processSR: SpatialReference = new SpatialReference(2992);
                 var params:Object = {
                       "xcoord_ft": "1000"
                 };
                 gp.outputSpatialReference = outSR;
                 gp.processSpatialReference = processSR;
                 gp.submitJob(params);
             }

               private function onFault(fe:FaultEvent, token:Object = null):void
               {
                Alert.show(fe.toString());
               }

            private function onJobComplete(event:GeoprocessorEvent):void
            {
            gp.addEventListener(GeoprocessorEvent.GET_RESULT_DATA_COMPLETE, onGetResult);
            gp.getResultData(event.jobInfo.jobId, "wshed_1_select");
            var jobIDNumber:String = new String(event.jobInfo.jobId);
                  var jobURL:String    =   new String("http://<your server here>/arcgisjobs/junk9a_gpserver/" + String(jobIDNumber) + "/scratch/analysis_report.txt");
                  var request:URLRequest = new URLRequest(String(jobURL))
                  var loader:URLLoader = new URLLoader();
                  navigateToURL(request);
            }

            private function onGetResult(event:GeoprocessorEvent):void
            {
             var pv:ParameterValue = event.parameterValue;
              var fs:FeatureSet = pv.value as FeatureSet;
              if (fs != null)
              {
               for each(var graphic:Graphic in fs.features){
                graphic.symbol = sfs_default;
                myGraphicsLayer.add(graphic);
               }
              }
              else
              {
               Alert.show("nothing to return");
              }
            }
            ]]>
      </mx:Script>

      <esri:SimpleFillSymbol id="sfs_default"/>

      <mx:Button x="10" y="10" label="Run GP" click="RunTask()"/>
      <esri:Map id = "map" x = "50" y="50">
            <esri:ArcGISDynamicMapServiceLayer
                  url="http://navigator.state.or.us/ArcGIS/rest/services/basemap/MapServer"/>
            <esri:GraphicsLayer id="myGraphicsLayer"/>
      </esri:Map>

      <esri:Geoprocessor
            id="gp" fault="onFault(event)" jobComplete="onJobComplete(event)"
            url="http://<your server here>/rest/services/junk9a/GPServer/Junk4b"
            />

</mx:Application>

======================================

Thanks everyone! Good luck with your projects!

Dorothy

DorothyMortenson

I had thought that might be the case, however, I am not doing any projections. I also set the spatial reference:

<esri:Geoprocessor id="gp"
url="http://geiser.wrd.state.or.us/owrd_gis/rest/services/junk9a/GPServer/Junk4b"
concurrency="last"
outputSpatialReference="{Map.spatialReference}"
processSpatialReference="{Map.spatialReference}" />

I did a little test to see if I'm even getting an object in Flex and it does not appear to be so. But I don't know if this code is accurate:

var imageParameters:ImageParameters = new ImageParameters();
var myImageLayer:GPResultImageLayer = gp.getResultImageLayer(event.jobInfo.jobId,"wshed_1_select",imageParameters)
var obj:Object = gp.getResultImageLastResult;
Alert.show(String(obj));
Alert.show(String(myImageLayer));
myImageLayer.alpha = 1;
Map.addLayer(myImageLayer);

The object comes back as null
The myImageLayer comes back as GPResultImageLayer224

Does that mean anything to anyone?

My service is live right now, if that might show some insight.

http://geiser.wrd.state.or.us/owrd_gis/rest/services/junk9a/GPServer/Junk4b

abarkhrust

Dorothy,

I ran into the exact same problem and tried everything to get this figured out. As it would turn out, it was projection issue. At the end of my model, I had to run the shapefile through the project tool and put it into WGS 84. I also had to set the map document to WGS 84 and then republish. It was after I did these steps that my GP service results finally displayed in our Flex application. Hope that helps.

Aaron

DorothyMortenson

I think I'm close...

I have a geoprocessing service (as a toolbox, not as a result map service).
It works as a service. I get two output files: one is a feature class, the other is a text file.

(My problem earlier was I wrote these files to a specific directory instead of the scratchworkspace).

When I run my Flex application, I can get the text file to popup, but I still cannot get the feature class to draw.

I tried the tool in ArcMap - it works, but the resulting feature class is not turned on (checked).

Anything else I should try in my Flex application? In theory, this should work with a toolbox, right?

var imageParameters:ImageParameters = new ImageParameters();
var myImageLayer:GPResultImageLayer = gp.getResultImageLayer(event.jobInfo.jobId,"wshed_1_select",imageParameters)
myImageLayer.alpha = 1;
Map.addLayer(myImageLayer);

seanlo

Ok, I'll table that question for now.

I made a test model builder that now works and shows the results when testing the rest service. it does not show up in my map application, however.

What does the rest of your code look like, as it pertains to the ArcGISDynamicMapServiceLayeror a GraphicsLayer?
Did you have to create a special ArcGISDynamicMapServiceLayer for this?

Thank you.
Dorothy

No you just add the map service result as a layer to the main map. The map service result is already a layer btw, so you just add it to the main map with the code i showed above.

seanlo

Hey dorothy,

In the geoprocessing tool, select add to display for the final result, and click model parameter. (For some reason this has to be turned on to display)

1) Run the model once, make sure it displays on the MXD.
2) Remove that layer.
3) Click and DRAG the model into the layer Table of content. (This sets the layer as a map result service)
4) Untick the raster result under the layer name of that model you just dragged in.

Now, add this as a geoprocessing service, and go do the rest thing again. You should be able to see the name. Here's a screenshot to illustrate my point:
http://img541.imageshack.us/i/georesult.jpg/

Sean

DorothyMortenson

Ok, I'll table that question for now.

I made a test model builder that now works and shows the results when testing the rest service. it does not show up in my map application, however.

What does the rest of your code look like, as it pertains to the ArcGISDynamicMapServiceLayeror a GraphicsLayer?
Did you have to create a special ArcGISDynamicMapServiceLayer for this?

Thank you.
Dorothy

DorothyMortenson

Thanks Sean.

So, what did you do in Python to set the output to be ClipMCA?
* Did you set this as a Parameter in the ArcCatalog Properties?
* Did you code something in Python ?

I've tried what you had recommended, run the submit job from the URL. It just says it succeeded, but it doesn't give me a specific output.

Dorothy

seanlo

Hi Dorothy,

I'm writing my 3rd python script which outputs raster on the Flex viewer (via geoprocessing).

For the results, simply use the rest services. Look at the output result name. Use THAT result name.

Let me elaborate in case i'm a bit too brief:
1) Use the rest services. IE: http://sean:8399/arcgis/rest/services/CCM/GPServer/MCAClip/submitJob
2) Enter the values there manually. Click submit job.
3) Look at the name of the result. In my case, i received:
Results:
ClipMCA

4) Use ClipMCA as the name of that result to add to your layer. In my case (rasters) i used:
   var imageParameters : ImageParameters = new ImageParameters();
   var myImageLayer :GPResultImageLayer = gp.getResultImageLayer(event.jobInfo.jobId,"ClipMCA",imageParameters)
   myImageLayer.id="ClipMCA";   //when minimising the map, remove this layer name.
   map.addLayer(ClipMCA);

upon gp completion.

Hope that helps you!

Sean.

RichardBetts

No problem, although I hope I'm not pointing you in the wrong direction...

My gp service was created from a model (I'm not using python). The final stage in my model is a dissolve operation which produces a feature class as the output (in my case a shape file).
When I publish my model to server and run from my application I can actually see the shape file generated in the server arcgisjobs directory, inside the directory with the relevant job id. This directory gets created with a unique identifier each time you submit the job from your application.
It might be worth checking here to make sure your gp task is running properly and producing the output you expect.

Its then a case of checking the REST endpoint for the task to see if the output parameter appears here and using the exact same name to retrieve the data in your application.

However, I'm not sure if this method will work if the output is not a feature class? Someone else might be able to help here.

Its also worth remembering to refresh your REST cache each time you re-publish your model, something I often forget to do!

Richard

DorothyMortenson

Thanks Richard,

I have a python script I am running in a toolbox. I have set a parameter called "output" and made it "Derived". I didn't set any of the other criteria for this particular parameter, such as default, etc.

I'm not quite getting how I assign the value I want from my python script to the "output". I've tried this line at the end of my script:

gp.setParameterAsText(1,watershed)

where "watershed" is a polygon feature class as a result of the python script processing. It doesn't work.

If I had several results I wanted to use (a text file, a couple of feature classes), how do I tell which one is which?

I really appreciate your help on this.
Dorothy

RichardBetts

Dorothy,

If you take a look at the REST endpoint for your gp task (http://servername:8399/arcgis/rest/services etc), you should see information about all of the parameters your task uses.

If you find a parameter with a direction of 'esriGPParameterDirectionOutput', then you should be able to retrieve the output in your Flex app using the code I suggested previously. You need to be sure to use the exact name of the parameter as listed in the REST endpoint, rather than the display name.

Hope that makes sense and works for you.

Richard

DorothyMortenson

Thanks Richard.
I'm a little confused on how to set up the output parameter. Can you explain?
Dorothy

RichardBetts

Hi

Heres what I'm using. Hopefully this might help?

         gp.addEventListener(GeoprocessorEvent.JOB_COMPLETE, onJobComplete);
         gp.submitJob( params );

function onJobComplete(event : GeoprocessorEvent):void
    {
    gp.addEventListener(GeoprocessorEvent.GET_RESULT_DATA_COMPLETE, onGetResult);
    gp.getResultData(event.jobInfo.jobId, "actual name of the output parameter");
    }
function onGetResult(event : GeoprocessorEvent):void
    {
       var pv:ParameterValue = event.parameterValue;
       var fs:FeatureSet = pv.value as FeatureSet;
       etc
          }

Cheers

Richard

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