NetCDFFileProperties (arcpy)

Zusammenfassung

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

Learn more about netCDF

Syntax

NetCDFFileProperties (netcdffile)

Parameter	Erläuterung	Datentyp
netcdffile	The input netCDF file.	String

Methodenübersicht

Methode	Erläuterung
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.

Methoden

getAttributeNames ({variable_name})

Parameter	Erläuterung	Datentyp
variable_name [variable_name,...]	Variable name of the NetCDF file.	String

Rückgabewert

Datentyp	Erläuterung
String	The attribute names of the variable.

getAttributeValue (variable_name, attribute_name)

Parameter	Erläuterung	Datentyp
variable_name	Variable name of the netCDF file.	String
attribute_name	Attribute name of the netCDF file.	String

Rückgabewert

Datentyp	Erläuterung
Object	The value of the attribute. The type of returned value depends on the dimension type.

getDimensionIndex (dimension_name, value)

Parameter	Erläuterung	Datentyp
dimension_name	Dimension name of the NetCDF file.	String
value	The dimension value.	Integer

Rückgabewert

Datentyp	Erläuterung
Integer	The dimension index.

getDimensionSize (dimension_name)

Parameter	Erläuterung	Datentyp
dimension_name	Dimension name of the NetCDF file.	String

Rückgabewert

Datentyp	Erläuterung
Integer	The dimension size.

getDimensionValue (dimension_name, index)

Parameter	Erläuterung	Datentyp
dimension_name	Dimension name of the NetCDF file.	String
index	The index position.	Integer

Rückgabewert

Datentyp	Erläuterung
Object	The dimension value. The type of returned value depends on the dimension type.

getDimensions ()

Rückgabewert

Datentyp	Erläuterung
String	List of dimensions.

getDimensionsByVariable (variable_name)

Parameter	Erläuterung	Datentyp
variable_name	Variable name of the NetCDF file.	String

Rückgabewert

Datentyp	Erläuterung
String	The dimensions by variable.

getFieldType (name)

Parameter	Erläuterung	Datentyp
name	Variable or dimension name of the NetCDF file.	String

Rückgabewert

Datentyp	Erläuterung
String	The field type.

getSpatialReference (variable_name, x_dimension, y_dimension)

Parameter	Erläuterung	Datentyp
variable_name	Variable name of the NetCDF file.	String
x_dimension	The x-dimension.	Integer
y_dimension	The y-dimension.	Integer

Rückgabewert

Datentyp	Erläuterung
SpatialReference	The spatial reference of a variable.

getVariables ()

Rückgabewert

Datentyp	Erläuterung
String	List of variables.

getVariablesByDimension (dimension_name)

Parameter	Erläuterung	Datentyp
dimension_name	Variable name of the netCDF file	String

Rückgabewert

Datentyp	Erläuterung
String	List of variables by dimension

Codebeispiel

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)