StatisticsHistogram

Résumé

Computes the statistics and histogram of a raster.

Discussion

For more information about how this function works, see the Statistics and Histogram raster function.

The referenced raster dataset for the raster object is temporary. To make it permanent, you can call the raster object's save method.

Syntaxe

StatisticsHistogram (raster, statistics, histogram)

Paramètre	Explication	Type de données
raster	The input raster.	Raster
statistics	List of statistical information, based on predefined statistics for each band. Statistics specified for a single-band raster are, for example: statistics = [{"min": 0, "max": 23.06, mean": 4.547517, "standardDeviation": 2.6870, "count": 10000, "median": 5, "mode": 6}]. Statistics specified for a three-band raster are, for example: statistics = [{"min": 0, "max": 23.06, "mean": 4.547517, "standardDeviation": 2.6870, "count": 10000, "median": 5, "mode": 6}, {"min":2, "max": 25, "mean": 5.32, "standardDeviation": 3.42, "count": 10000, "median": 6, "mode": 6}, {"min": 5, "max": 53.06, "mean": 35.23, "standardDeviation": 6.3270, "count": 10000, "median": 36, "mode": 6}].	List
histogram	Dictionary of histogram information, based on predefined histogram for each band. Enter the dictionary of histogram information using the example below: { "rasterFunction": "StatisticsHistogram", "rasterFunctionArguments": { "histograms": [{ "size": 256, "min": 0, "max": 23.064547032777931, "counts": [559, 172, 217, ... //256 elements for each of the bins in this example ] }]	Dictionary

Valeur renvoyée

Type de données	Explication
Raster	The output raster with the statistics and histogram defined.

Exemple de code

StatisticsHistogram example

Computes the statistics and histogram of a raster.

import arcpy

StatisticsHistogram_raster = arcpy.sa.StatisticsHistogram(imagePath1, [-4.514, 4.338, 0.0043, 1.0], None)