NetCDFFileProperties

Resumen

The Network Common Data Form (netCDF) is a binary, self-describing, machine-independent file format for storing scientific data.

Learn more about netCDF

Sintaxis

 NetCDFFileProperties  (netcdffile)

Parámetro	Explicación	Tipo de datos
netcdffile	The input netCDF file.	String

Descripción general de los métodos

Método	Explicación
getAttributeNames ({variable_name})	Gets the attribute names of a variable in a NetCDF file.
getAttributeValue (variable_name, attribute_name)	Get the value of an attribute.
getDimensionIndex (dimension_name, value)	Gets the dimension index.
getDimensionSize (dimension_name)	Gets the dimension size.
getDimensionValue (dimension_name, index)	Gets the dimension value.
getDimensions ()	Gets the dimensions.
getDimensionsByVariable (variable_name)	Gets the dimensions by variable.
getFieldType (name)	Gets the field type of a variable or dimension.
getSpatialReference (variable_name, x_dimension, y_dimension)	Gets the spatial reference of a variable.
getVariables ()	Gets the variables.
getVariablesByDimension (dimension_name)	Get the variables by dimension.

Métodos

getAttributeNames ({variable_name})

Parámetro	Explicación	Tipo de datos
variable_name [variable_name,...]	Variable name of the NetCDF file.	String

Valor de retorno

Tipo de datos	Explicación
String	The attribute names of the variable.

getAttributeValue (variable_name, attribute_name)

Parámetro	Explicación	Tipo de datos
variable_name	Variable name of the netCDF file.	String
attribute_name	Attribute name of the netCDF file.	String

Valor de retorno

Tipo de datos	Explicación
Object	The value of the attribute. The type of returned value depends on the dimension type.

getDimensionIndex (dimension_name, value)

Parámetro	Explicación	Tipo de datos
dimension_name	Dimension name of the NetCDF file.	String
value	The dimension value.	Integer

Valor de retorno

Tipo de datos	Explicación
Integer	The dimension index.

getDimensionSize (dimension_name)

Parámetro	Explicación	Tipo de datos
dimension_name	Dimension name of the NetCDF file.	String

Valor de retorno

Tipo de datos	Explicación
Integer	The dimension size.

getDimensionValue (dimension_name, index)

Parámetro	Explicación	Tipo de datos
dimension_name	Dimension name of the NetCDF file.	String
index	The index position.	Integer

Valor de retorno

Tipo de datos	Explicación
Object	The dimension value. The type of returned value depends on the dimension type.

getDimensions ()

Valor de retorno

Tipo de datos	Explicación
String	List of dimensions.

getDimensionsByVariable (variable_name)

Parámetro	Explicación	Tipo de datos
variable_name	Variable name of the NetCDF file.	String

Valor de retorno

Tipo de datos	Explicación
String	The dimensions by variable.

getFieldType (name)

Parámetro	Explicación	Tipo de datos
name	Variable or dimension name of the NetCDF file.	String

Valor de retorno

Tipo de datos	Explicación
String	The field type.

getSpatialReference (variable_name, x_dimension, y_dimension)

Parámetro	Explicación	Tipo de datos
variable_name	Variable name of the NetCDF file.	String
x_dimension	The x-dimension.	Integer
y_dimension	The y-dimension.	Integer

Valor de retorno

Tipo de datos	Explicación
SpatialReference	The spatial reference of a variable.

getVariables ()

Valor de retorno

Tipo de datos	Explicación
String	List of variables.

getVariablesByDimension (dimension_name)

Parámetro	Explicación	Tipo de datos
dimension_name	Variable name of the netCDF file	String

Valor de retorno

Tipo de datos	Explicación
String	List of variables by dimension

Ejemplo de código

NetCDFFileProperties example

Display properties of NetCDF file.

import arcpy

in_netcdf = "c:/NetCDF/crwr.nc"
try:
    nc_fp = arcpy.NetCDFFileProperties(in_netcdf)

    # Get Variables
    for nc_var in nc_fp.getVariables():
        print("Variable: {0}".format(nc_var))
        print("\tVariable type: {0}".format(nc_fp.getFieldType(nc_var)))

        # Get dimensions by variable
        for nc_dim_by_var in nc_fp.getDimensionsByVariable(nc_var):
            print("Dimension: {0}".format(nc_dim_by_var))
        print(nc_fp.getAttributeValue(nc_var, "units"))

        # Get Variable Attribues
        for nc_va_name in nc_fp.getAttributeNames(nc_var):
            print("Attribute Name: {0}".format(nc_va_name))

    # Get Dimensions
    for nc_dim in nc_fp.getDimensions():
        print("Dimension: {0}".format(nc_dim))
        print("\tDimension size: {0}".format(nc_fp.getDimensionSize(nc_dim)))
        print("\tDimension type: {0}".format(nc_fp.getFieldType(nc_dim)))

        for i in range(0, nc_fp.getDimensionSize(nc_dim)):
            nc_dim_value = nc_fp.getDimensionValue(nc_dim, i)
            print("\tDimension value: {0}".format(nc_dim_value))
            print("\tDimension index: {0}".format(
                nc_fp.getDimensionIndex(nc_dim, nc_dim_value)))

        # Get Variable by dimension
        for nc_vars_by_dim in nc_fp.getVariablesByDimension(nc_dim):
            print("\tVariable by dimension: {0}".format(nc_vars_by_dim))

    # Get Global Attribues
    for nc_att_name in nc_fp.getAttributeNames(""):
        print("Attribute Name: {0}".format(nc_att_name))
        print(nc_fp.getAttributeValue("", nc_att_name))

except Exception as err:
    print(err)

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