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When to use geoprocessor instead of ArcGIS REST API?
Use geoprocessor instead. Represents a GP Task resource exposed by the ArcGIS 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 dependent on how the service was set up:
How to use a geoprocessor in JavaScript?
Sends a request to the GP Task for the current state of the job identified by jobId. Sends a request to the server to execute a synchronous GP task. Sends a request to the GP Task to get the task result identified by jobId and resultName. Sends a request to the GP Task to get the task result identified by jobId and resultName as an image.
What does a GP task resource represent in ArcGIS?
Represents a GP Task resource exposed by the ArcGIS 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 dependent on how the service was set up: execute – for when the execution type is synchronous.
How does a geoprocessor represent a GP task?
Creates a new Geoprocessor object that represents the GP Task identifed by a URL. The spatial reference of the output geometries. Deprecated at v2.0, use outSpatialReference instead.. The spatial reference that the model will use to perform geometry operations.
How to use geoprocessing tasks in web applications?
The ArcGIS API for JavaScript documentation provides code samples, tutorials, guides, and detailed reference material. Geoprocessing tasks in web applications You can add geoprocessing functionality and data analysis to web applications using geoprocessing services. Each geoprocessing service contains one or more geoprocessing tasks.
How are geoprocessing services used in web apps?
A geoprocessing service can be consumed in a custom web app, providing the clients of your web app with powerful geoprocessing and analysis solutions. Generally speaking, creating a web app can be considered a developer (or programmer) task. A web app can be built from scratch using the JavaScript API.
How to use ArcGIS in a web app?
Typically, a custom web app is constructed using ArcGIS API for JavaScript. Although you can construct any app that can communicate with the service over REST, the following discussion focuses on JavaScript.
What do you need to know about ArcGIS Server?
Requires an ArcGIS Server 10.1 service or greater. A string that uniquely identifies a job on the server. It is created when a job is submitted for execution and later used to check its status and retrieve the results. Additional options to be used for the data request (will override requestOptions defined during construction).
How to get an image from a geoprocessor?
Sends a request to the GP Task to get the task result identified by jobId and resultName. Sends a request to the GP Task to get the task result identified by jobId and resultName as an image. Get the task result identified by jobId as an MapImageLayer.
How do I select a county in ArcGIS?
For example, select features from USA Counties that touch the boundary of the features in the layer named “Texas.” The dialog box guides you in specifying each selection property. Click Selection > Select By Location to open the Select by Location dialog box.
How does the select by location tool work?
The Select By Location tool lets you select features based on their location relative to features in another layer. For instance, if you want to know how many homes were affected by a recent flood, you could select all the homes that fall within the flood boundary.