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Pretty crazy test file for netCDF
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| from netCDF4 import Dataset | |
| import numpy | |
| rootgrp = Dataset('test.nc','w') | |
| ### Create some groups | |
| group1 = rootgrp.createGroup('g1') | |
| group2 = rootgrp.createGroup('g2') | |
| group3 = rootgrp.createGroup('really_long group_name') | |
| # a nested group | |
| group2_1 = group2.createGroup('g2_1') | |
| ### Create some dimensions | |
| # unlimited | |
| ## Spaces are not acceptable in netcdf Java dimension names | |
| #dim1 = rootgrp.createDimension('bad name', None) | |
| dim1 = rootgrp.createDimension('bad_name', None) | |
| dim2 = rootgrp.createDimension('good_name', None) | |
| # limited | |
| dim3 = rootgrp.createDimension('funny_dim_name?!@#$%^&*()_-+""{}', 3) | |
| dim4 = rootgrp.createDimension('dim4', 4) | |
| # in other groups | |
| g1_dim1 = group1.createDimension('same_dim', 1) | |
| g1_dim2 = group1.createDimension('diff_dim', None) | |
| # Should be allowed to use the same name in a different part of the tree? | |
| g2_1_dim1 = group2_1.createDimension('same_dim', 3) | |
| g2_1_dim2 = group2_1.createDimension('diff_dim', None) | |
| ### Create some attributes | |
| att_dict = { | |
| 'foo' : 'bar', | |
| 'foo_byte' : numpy.iinfo(numpy.int8).max, | |
| 'foo_short' : numpy.iinfo(numpy.int16).max, | |
| 'foo_int' : numpy.iinfo(numpy.int32).max, | |
| 'foo_float' : numpy.float32(numpy.pi), | |
| 'foo_long' : numpy.iinfo(numpy.int64).max, | |
| 'foo_double' : numpy.float64(numpy.pi), | |
| 'foo funny name': 'fun string?!@#$%^&*()_-+""{}' | |
| } | |
| rootgrp.setncatts(att_dict) | |
| #create some attributes in a group | |
| group3.setncatts(att_dict) | |
| ### Create some variables (with atts) | |
| def add_vars_to_grp(grp,types, **kwargs): | |
| v = grp.createVariable(kwargs.get('var1','var1'),numpy.int8) | |
| v[:] = numpy.int8(8) | |
| v.foo = 'bar' | |
| v = grp.createVariable(kwargs.get('var2','var2'),numpy.int8, (dim3._name,), fill_value=5) | |
| v[:] = numpy.int8(8) | |
| v.foo = 'bar' | |
| v = grp.createVariable(kwargs.get('var3','var3'),numpy.int8, (dim1._name,dim4._name,)) | |
| v[:] = numpy.arange(8,dtype=numpy.int8).reshape(2,4) | |
| v.foo = 'bar' | |
| v = grp.createVariable(kwargs.get('var4','var4'),'S1', (dim1._name,dim4._name,)) | |
| #v[:] = numpy.ndarray(8,dtype='S1').reshape(2,4) | |
| v[:] = 'a' | |
| v.foo = 'bar' | |
| for num,type in enumerate(types): | |
| default_name = 'var{}'.format(num+5) | |
| print default_name | |
| v = grp.createVariable(kwargs.get(default_name,default_name),type, (dim4._name,)) | |
| try: | |
| v[:] = numpy.iinfo(type).max | |
| continue | |
| except ValueError: | |
| pass | |
| try: | |
| v[:] = numpy.pi | |
| continue | |
| except IndexError: | |
| pass | |
| v[0] = 'c' | |
| v[1] = 'h' | |
| v[2] = 'a' | |
| v[3] = 'r' | |
| types = [numpy.int8,numpy.int16,numpy.int32,numpy.int64,numpy.float32,numpy.float64,numpy.string_] | |
| add_vars_to_grp(rootgrp,types) | |
| add_vars_to_grp(group1,types,var1='foobar',var2='moobar',var3='long funny name!@#$%^&*()_=+""{}') | |
| add_vars_to_grp(group2_1,types) | |
| # Make a var using nested dimensions... | |
| v = group2_1.createVariable('crazy_dims',numpy.int8, (dim1._name,dim2._name,dim3._name,g2_1_dim1._name), fill_value=5) | |
| rootgrp.close() |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="file:/Users/dstuebe/Documents/Dev/code/petulant-bear/test.nc"> | |
| <dimension name="bad_name" length="2" isUnlimited="true" /> | |
| <dimension name="good_name" length="0" isUnlimited="true" /> | |
| <dimension name="funny_dim_name?!@#$%^&*()_-+""{}" length="3" /> | |
| <dimension name="dim4" length="4" /> | |
| <attribute name="foo_double" type="double" value="3.141592653589793" /> | |
| <attribute name="foo_funny_name" value="fun string?!@#$%^&*()_-+""{}" /> | |
| <attribute name="foo_float" type="float" value="3.1415927" /> | |
| <attribute name="foo_long" type="long" value="9223372036854775807" /> | |
| <attribute name="foo_byte" type="long" value="127" /> | |
| <attribute name="foo_short" type="long" value="32767" /> | |
| <attribute name="foo_int" type="long" value="2147483647" /> | |
| <attribute name="foo" value="bar" /> | |
| <variable name="var1" shape="" type="byte"> | |
| <attribute name="foo" value="bar" /> | |
| </variable> | |
| <variable name="var2" shape="funny_dim_name?!@#$%^&*()_-+""{}" type="byte"> | |
| <attribute name="foo" value="bar" /> | |
| <attribute name="_FillValue" type="byte" value="5" /> | |
| </variable> | |
| <variable name="var3" shape="bad_name dim4" type="byte"> | |
| <attribute name="foo" value="bar" /> | |
| <attribute name="_ChunkSize" type="int" value="1 4" /> | |
| </variable> | |
| <variable name="var4" shape="bad_name dim4" type="char"> | |
| <attribute name="foo" value="bar" /> | |
| <attribute name="_ChunkSize" type="int" value="1 4" /> | |
| </variable> | |
| <variable name="var5" shape="dim4" type="byte" /> | |
| <variable name="var6" shape="dim4" type="short" /> | |
| <variable name="var7" shape="dim4" type="int" /> | |
| <variable name="var8" shape="dim4" type="long" /> | |
| <variable name="var9" shape="dim4" type="float" /> | |
| <variable name="var10" shape="dim4" type="double" /> | |
| <variable name="var11" shape="dim4" type="String" /> | |
| <group name="g1"> | |
| <dimension name="same_dim" length="1" /> | |
| <dimension name="diff_dim" length="0" isUnlimited="true" /> | |
| <variable name="foobar" shape="" type="byte"> | |
| <attribute name="foo" value="bar" /> | |
| </variable> | |
| <variable name="moobar" shape="funny_dim_name?!@#$%^&*()_-+""{}" type="byte"> | |
| <attribute name="_FillValue" type="byte" value="5" /> | |
| <attribute name="foo" value="bar" /> | |
| </variable> | |
| <variable name="long_funny_name!@#$%^&*()_=+""{}" shape="bad_name dim4" type="byte"> | |
| <attribute name="foo" value="bar" /> | |
| <attribute name="_ChunkSize" type="int" value="1 4" /> | |
| </variable> | |
| <variable name="var4" shape="bad_name dim4" type="char"> | |
| <attribute name="foo" value="bar" /> | |
| <attribute name="_ChunkSize" type="int" value="1 4" /> | |
| </variable> | |
| <variable name="var5" shape="dim4" type="byte" /> | |
| <variable name="var6" shape="dim4" type="short" /> | |
| <variable name="var7" shape="dim4" type="int" /> | |
| <variable name="var8" shape="dim4" type="long" /> | |
| <variable name="var9" shape="dim4" type="float" /> | |
| <variable name="var10" shape="dim4" type="double" /> | |
| <variable name="var11" shape="dim4" type="String" /> | |
| </group> | |
| <group name="g2"> | |
| <group name="g2_1"> | |
| <dimension name="same_dim" length="3" /> | |
| <dimension name="diff_dim" length="0" isUnlimited="true" /> | |
| <variable name="var1" shape="" type="byte"> | |
| <attribute name="foo" value="bar" /> | |
| </variable> | |
| <variable name="var2" shape="funny_dim_name?!@#$%^&*()_-+""{}" type="byte"> | |
| <attribute name="_FillValue" type="byte" value="5" /> | |
| <attribute name="foo" value="bar" /> | |
| </variable> | |
| <variable name="var3" shape="bad_name dim4" type="byte"> | |
| <attribute name="foo" value="bar" /> | |
| <attribute name="_ChunkSize" type="int" value="1 4" /> | |
| </variable> | |
| <variable name="var4" shape="bad_name dim4" type="char"> | |
| <attribute name="foo" value="bar" /> | |
| <attribute name="_ChunkSize" type="int" value="1 4" /> | |
| </variable> | |
| <variable name="var5" shape="dim4" type="byte" /> | |
| <variable name="var6" shape="dim4" type="short" /> | |
| <variable name="var7" shape="dim4" type="int" /> | |
| <variable name="var8" shape="dim4" type="long" /> | |
| <variable name="var9" shape="dim4" type="float" /> | |
| <variable name="var10" shape="dim4" type="double" /> | |
| <variable name="var11" shape="dim4" type="String" /> | |
| <variable name="crazy_dims" shape="bad_name good_name funny_dim_name?!@#$%^&*()_-+""{} same_dim" type="byte"> | |
| <attribute name="_FillValue" type="byte" value="5" /> | |
| <attribute name="_ChunkSize" type="int" value="1 1 3 3" /> | |
| </variable> | |
| </group> | |
| </group> | |
| <group name="really_long_group_name"> | |
| <attribute name="foo_double" type="double" value="3.141592653589793" /> | |
| <attribute name="foo_funny_name" value="fun string?!@#$%^&*()_-+""{}" /> | |
| <attribute name="foo_float" type="float" value="3.1415927" /> | |
| <attribute name="foo_long" type="long" value="9223372036854775807" /> | |
| <attribute name="foo" value="bar" /> | |
| <attribute name="foo_byte" type="long" value="127" /> | |
| <attribute name="foo_short" type="long" value="32767" /> | |
| <attribute name="foo_int" type="long" value="2147483647" /> | |
| </group> | |
| </netcdf> | |
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