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Showing content from https://developers.arcgis.com/en/javascript/jsapi/geoprocessor-amd.html below:

Geoprocessor | API Reference | ArcGIS API for JavaScript 3.46

require(["esri/tasks/Geoprocessor"], function(Geoprocessor) { /* code goes here */ });

(Added at v1.0)

Represents a GP Task resource exposed by the ArcGIS Server REST API. A GP Task resource represents a single task in a GP service published using the ArcGIS Server and it supports one of the following operations:

• "execute" - performed on a GP Task resource when the execution type is synchronous.
• "submitJob" - performed on an asynchronous GP Task resource.

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that use this class.

[ On Style Events | Connect Style Event ]

All On Style event listeners receive a single event object. Additionally, the event object also contains a 'target' property whose value is the object which fired the event.

Constructor Details

Creates a new Geoprocessor object that represents the GP Task identifed by a URL.

require([
  "esri/tasks/Geoprocessor", ... 
], function(Geoprocessor, ... ) {
  var gp = new Geoprocessor("https://www.example.com/argis/rest/services/Specialty/ESRI_Currents_World/GPServer/MessageInABottle");
  ...
});

Property Details

The spatial reference of the output geometries. If not specified, the output geometries are in the spatial reference of the input geometries. If

is specified and

is not specified, the output geometries are in the spatial reference of the process spatial reference. See

and

for the list of supported spatial references.

The spatial reference that the model will use to perform geometry operations. If

is specified and

is not specified, the output geometries are in the spatial reference of the process spatial reference. See

and

for the list of supported spatial references.

The time interval in milliseconds between each job status request sent to an asynchronous GP task.

Default value: 1000

ArcGIS Server Rest API endpoint to the resource that receives the geoprocessing request.

Method Details

Cancel an asynchronous geoprocessing job. Requires an ArcGIS Server 10.1 service or greater. (Added at v3.0)

  gp.cancelJob(jobId, function (info) {

    console.log(info.jobStatus);

  });

 

Cancels the periodic job status updates initiated automatically when submitJob() is invoked for the job identified by jobId. You can still obtain the status of this job by calling the checkStatus() method at your own discretion. (Added at v1.1)

Sends a request to the GP Task for the current state of the job identified by jobId. Upon receiving the response, the onStatusUpdate event is fired and the optional callback function is invoked.

Sends a request to the server to execute a synchronous GP task. On completion,

event is fired and the optional callback function is invoked.

• < GPFeatureRecordSetLayer > Input_Points
• < GPDouble > Distance

{
 Input_Points: <FeatureSet>,
 Distance: <Number>
}

require([
  "esri/Geoprocessor", "dojo/dom", ... 
], function(Geoprocessor, dom, ... ) {
  var gp = new Geoprocessor( ... );
  function executeGP(){
    var params = { "Input_Point":featureSet, "Days": dom.byId("days").value };
    gp.execute(params, displayTrack);
  }
  function displayTrack(results, messages) {
    //do something with the results
    var features = results[0].value.features;
  }
  ...
});

Sends a request to the GP Task to get the task result identified by jobId and resultParameterName. On completion, the getresultdatacomplete event will be fired and the optional callback function will be invoked.

Sends a request to the GP Task to get the task result identified by jobId and resultParameterName as an image.

Get the task result identified by jobId and resultParameterName as an ArcGISDynamicMapServiceLayer.

gp.getResultImageLayer(jobInfo.jobId, "Selected_Tax_Lot",imageParams, function(gpLayer){
  gpLayer.setOpacity(0.5);
  map.addLayer(gpLayer);
});

Sets the well-known ID of the spatial reference of the output geometries.

{"wkid" : 4326} 

gp.setOutSpatialReference({wkid:102100});

Sets the well-known ID of the spatial reference that the model uses to perform geometry operations.

{"wkid" : 4326} 

Sets the time interval in milliseconds between each job status request sent to an asynchronous GP task.

Submits a job to the server for asynchronous processing by the GP task. Once the job is submitted and until it is completed, the onStatusUpdate event is fired and the optional statusCallback() function is invoked at regular intervals, the duration of which is specified by the updateDelay property. Upon completion of the job, the

event is fired and the optional callback function is invoked.

The task execution results can be retrieved using getResultData(), getResultImage() or getResultImageLayer() methods.

• < GPFeatureRecordSetLayer > Input_Points
• < GPDouble > Distance

 { Input_Points: <FeatureSet>, Distance: <Number> } 

require([
  "esri/tasks/Geoprocessor", "esri/layers/ImageParameters", ... 
], function(Geoprocessor, ImageParameters, ... ) {
  var gp = new Geoprocessor( ... );
  function executeGP() {
    var params = { "Total_value_greater_than":numval};
    gp.submitJob(params, completeCallback, statusCallback);
  }
  function statusCallback(jobInfo){
    console.log(jobInfo.jobStatus);
  }
  function completeCallback(jobInfo) {
    var imageParams = new ImageParameters();
    imageParams.imageSpatialReference = map.spatialReference;
    gp.getResultImageLayer(jobInfo.jobId, "Selected_Tax_Lot",imageParams, function(gpLayer){
      gpLayer.setOpacity(0.5);
      map.addLayer(gpLayer);
    });
  }
  ...
});

Event Details

[ On Style Events | Connect Style Event ]

Fires when an error occurs when executing the task. (Added at v3.6)

Fires when a synchronous GP task is completed. Should be used in favor of onExecuteComplete. (Added at v3.5)

Fires when the result of an asynchronous GP task execution is available. Should be used in favor of onGetResultDataComplete. (Added at v3.5)

Fires when a map image is generated by invoking the getResultImage method. Should be used in favor of onGetResultImageComplete. (Added at v3.5)

Fires when getResultImageLayer method has completed. Should be used in favor of onGetResultImageLayerComplete. (Added at v3.5)

Fires when the geoprocessing job is cancelled using the cancelJob method. The returned object includes the status and job id. Should be used in favor of onJobCancel. (Added at v3.5)

Fires when an asynchronous GP task using submitJob is complete. Should be used in favor of onJobComplete. (Added at v3.5)

Fires when a job status update is available. Should be used in favor of onStatusUpdate. (Added at v3.5)

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