ArcGIS REST API - ArcGIS Services

URL:http://<imageservice-url>/histograms
Required Capability:Image
Version Introduced:10.1

Description

This resource is supported from 10.1 onwards.

The histograms resource returns histograms of the image. This resource is supported if hasHistograms property of the service is true.

Resource Hierarchy

Request Parameters

Parameter	Details
f	Description: The response format. The default response format is html. Values: html \| json

Example Usage

Example 1: Return histograms of an image service.

http://sampleserver6.arcgisonline.com/arcgis/rest/services/CharlotteLAS/ImageServer/histograms

JSON Response Syntax

            
          
{
  "histograms" :[
    <histogram1>, <histogram2>,<histogram3>,...
    ]
}

Refer to the Histogram Objectfor the syntax of a histogram.

JSON Response Example

            
          
{
 "histograms": [
    {
      "size" : 256, 
      "min" : -0.5, 
      "max" : 255.5, 
      "counts" : [
        42915, 
        23218, 
        24832, 
        25925 
        36054, 
        57097, 
        61278, 
        65211
        ...
        ]
   },
   {
      "size" : 256, 
      "min" : -0.5, 
      "max" : 255.5, 
      "counts" : [
        42915, 
        23218, 
        24832, 
        25925 
        36054, 
        57097, 
        61278, 
        65211
        ...
        ]
   },
   {
      "size" : 256, 
      "min" : -0.5, 
      "max" : 255.5, 
      "counts" : [
        42915, 
        23218, 
        24832, 
        25925 
        36054, 
        57097, 
        61278, 
        65211
        ...
        ]
   }
}