RegionPixelCount

サマリー

Groups connected regions with the same pixel value and calculates the number of pixels in each region.

ディスカッション

For more information on how this function works, see the Region Pixel Count 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.

構文

RegionPixelCount(raster, {maximum_region_size}, {pixel_neighborhood})

パラメーター	説明	データ タイプ
raster	The input raster.	Raster
maximum_region_size	The maximum number of pixels a region can contain. The default value is 100.	Integer
pixel_neighborhood	The number of neighborhoods used to assess pixel connectivity. Valid values are 4 and 8. The default value is 4.	Integer

戻り値

データ タイプ	説明
Raster	The output raster.

コードのサンプル

RegionPixelCount example

This example calculates the number of pixels in each region.

from arcpy.ia import *

pixel_count_raster = RegionPixelCount('C:/arcpyExamples/ndvi_threshold.tif', 1000, 4)

pixel_count_raster.save('C:/temp/ndvi_mask.tif')