RegionPixelCount

Zusammenfassung

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

Diskussion

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.

Syntax

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

Parameter	Erläuterung	Datentyp
raster	The input raster.	Raster
maximum_region_size	The maximum number of pixels a region can contain. (Der Standardwert ist 100)	Integer
pixel_neighborhood	The number of neighborhoods used to assess pixel connectivity. Valid values are 4 and 8. (Der Standardwert ist 4)	Integer

Rückgabewert

Datentyp	Erläuterung
Raster	The output raster.

Codebeispiel

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')