NetCDFFileProperties

Resumen

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

Sintaxis

NetCDFFileProperties ({netCDFFile})

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

Vista general del método

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

InNetCDF = "c:/NetCDF/crwr.nc"
try:
    ncFP = arcpy.NetCDFFileProperties(InNetCDF)

    #Get Variables    
    ncVars = ncFP.getVariables()
    for ncVar in ncVars:
        print "Variable: %s" % ncVar
        ncVarType = ncFP.getFieldType(ncVar)        
        print "\t" + "Variable type: %s " % ncVarType

        #Get dimensions by variable        
        ncDimsByVar = ncFP.getDimensionsByVariable(ncVar)
        for ncDimByVar in ncDimsByVar:
            print "Dimension: %s " % ncDimByVar
        print ncFP.getAttributeValue(ncVar, "units")

        #Get Variable Attribues
        ncVANames = ncFP.getAttributeNames(ncVar)

        for ncVAName in ncVANames:
            print "Attribute Name: %s " % ncVAName        

    #Get Dimensions
    ncDims = ncFP.getDimensions()

    for ncDim in ncDims:
        print "Dimension: %s " % ncDim
        ncDimSize = ncFP.getDimensionSize(ncDim)
        print "\t" + "Dimension size: %s " % ncDimSize
        ncDimType = ncFP.getFieldType(ncDim)        
        print "\t" + "Dimension type: %s " % ncDimType

        for i in range(0, ncFP.getDimensionSize(ncDim)):
            ncDimValue = ncFP.getDimensionValue(ncDim, i)
            print "\t" + "Dimension value: %s" % ncDimValue
            ncDimIndex = ncFP.getDimensionIndex(ncDim, ncDimValue)
            print "\t" + "Dimension index: %s" % ncDimIndex

        #Get Variable by dimension
        ncVarsByDim = ncFP.getVariablesByDimension(ncDim)
        for ncVarByDim in ncVarsByDim:
            print "\t" + "Variable by dimension: %s" % ncVarByDim  

    #Get Global Attribues
    ncAttributeNames = ncFP.getAttributeNames("")
    for ncAttributeName in ncAttributeNames:
        print "Attribute Name: %s " % ncAttributeName
        print ncFP.getAttributeValue("", ncAttributeName)

except:
    print arcpy.GetMessages(2)