source: TI02-CSML/trunk/csml/DDC/ddcsubset.py @ 2123

'''apicalls.py  - test the api'''

import csml,sys

f='./DDC2/DDC2out.xml'

#Initialise the CSML container
csmlContainer=csml.API.csmlContainer.Container(csmlpath='./DDC2/DDC2subs.xml',docID="subsdoc_2", metadata='DDC Subsetted Data')

#Initialise and parse the dataset
csmldoc = csml.parser.Dataset()
csmldoc.parse(f)


#get list of features in the dataset
flist= csmldoc.getFeatureList() 
#print '\n Here are all the features in %s:' %f
#print flist

#select a feature by name (gml:id)
#print '\n Selecting feature with gml:id = %s' %flist[1]
feature=csmldoc.getFeature(flist[0])

#feature 'bestname'
#print feature.id
#print feature.description

#get the domain of the feature

print '\n The feature has domain:' 
#print feature.getDomain()

#get list of allowed subsettings
print '\n the following feature subsetting operations are allowed:'
#print feature.getAllowedSubsettings()


#define a selection (based on the domain)
subsetDictionary={}
subsetDictionary['time']=('1985-1-15T0:0:0.0','1985-4-15T0:0:0.0')
subsetDictionary['latitude']=(40, 41)
subsetDictionary['longitude']=(0,4)
#request subsetted data from features (can set paths here) and add to container
#subset a feature
csmlContainer.add(feature.subsetToGridSeries(ncpath='myfile.nc',**subsetDictionary))
subsetDictionary['longitude']=(-1,4)
csmlContainer.add(feature.subsetToGridSeries(ncpath='myfile2.nc',**subsetDictionary))


#when you have finished, get the contents of the container
csmlbundle=csmlContainer.getContents()
print 'CSML %s'%csmlbundle[0] # csml document
paths=csmlbundle[1:]
print paths #paths to netcdf files