Histograms

Description

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

Request parameters

Parameter

Details

f

The response format. The default response format is html.

Values: html | json

Example usage

Example: Return histograms of an image service.

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

JSON Response syntax

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

Refer to the Histogram object for 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
        ...
        ]
   }
}