CreateRandomValueGenerator (arcpy)

Resumen

Creates a new random number generator.

Sintaxis

CreateRandomValueGenerator (seed, distribution)
ParámetroExplicaciónTipo de datos
seed

Initializes the random number generator.

Integer
distribution

The random generation algorithm.

  • ACM599ACM collected algorithm 599
  • MERSENNE_TWISTERMersenne Twister mt19937
  • STANDARD_CStandard C Rand

(El valor predeterminado es ACM599)

String
Valor de retorno
Tipo de datosExplicación
Object

The RandomNumberGenerator object.

Ejemplo de código

CreateRandomValueGenerator example

Create and initialize random number generator object.

import arcpy

# CreateRandomValueGenerator takes 2 arguments, seed and distribution
# method. The distribution method options are ACM599,
# MERSENNE_TWISTER, and STANDARD_C.
#
# The gen variable is a randomNumberGenerator object that is assigned
# to the randomGenerator environments setting.
arcpy.env.randomGenerator = arcpy.CreateRandomValueGenerator(20, "STANDARD_C")

# Calculate a random number using the ArcGIS.Rand() function
result = arcpy.CalculateValue_management("arcgis.rand('normal 0.0 10.0')")

# Print the returned value from the Result object
print(float(result.getOutput(0)))

Temas relacionados

4/26/2014