Difference between revisions of "ACDD Variable Attributes Recommendations"
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− | <div id="ACDD_Usability"> | + | <div id="ACDD_Usability">ACDD Variable Attributes for Usability - Highly Recommended== |
− | + | The following NetCDF Attribute Convention for Data Discovery variable attributes are highly recommended for data usability. | |
− | <table | + | <i xmlns:xsl="http://www.w3.org/1999/XSL/Transform">Source: </i> [http://wiki.esipfed.org/index.php/Attribute_Convention_for_Data_Discovery#Highly_Recommended_Variable_Attributes ACDD Release 1.1]<table xmlns:xsl="http://www.w3.org/1999/XSL/Transform" width="95%" border="1" cellpadding="3" cellspacing="3" style="border-collapse: collapse;" id="ACDD_Usability"><tr><th width="15%">Concept</th><th width="25%">Description</th><th width="60%">Dialect (Fit) Paths</th></tr><tr><td>[[Concepts_Glossary#Parameter_Name_(Standard)|Parameter Name (Standard)]]</td><td>The name of a parameter included in the resource from a standard vocabulary.</td><td style="word-break:break-all;"><b>ISO-1</b> /mdb:MD_Metadata/mdb:contentInfo/mrc:MD_CoverageDescription/mrc:attributeGroup/mrc:MD_AttributeGroup/mrc:attribute/*/mrc:name/mcc:MD_Identifier/mcc:code/gco:CharacterString<br><b>netCDF</b> /nc:netcdf/nc:variable/nc:attribute[@nc:name='standard_name']/@nc:value<br></td></tr><tr><td>[[Concepts_Glossary#Standard_Name_Vocabulary|Standard Name Vocabulary]]</td><td>The name of the shared vocabulary from which variable standard names are taken.</td><td style="word-break:break-all;"><b>ISO</b> /*/gmd:identificationInfo/*/gmd:descriptiveKeywords/gmd:MD_Keywords/gmd:thesaurusName/gmd:CI_Citation/gmd:title/gco:CharacterString<br><b>ISO-1</b> /mdb:MD_Metadata/mdb:identificationInfo/*/mri:descriptiveKeywords/mri:MD_Keywords[mri:type/mri:thesaurusName/cit:CI_Citation/cit:title/gco:CharacterString<br><b>THREDDS</b> //thredds:dataset/thredds:dataset/thredds:variables/@vocabulary<br><b>netCDF</b> /nc:netcdf/nc:variable/attribute[@nc:name=standard_name_vocabulary]/@nc:value<br></td></tr><tr><td>[[Concepts_Glossary#Units|Units]]</td><td>The units of the variables data values.</td><td style="word-break:break-all;"><b>ISO</b> /gmi:MI_Metadata/gmd:contentInfo/gmi:MI_CoverageDescription/gmd:dimension/gmd:MD_Band/gmd:units<br><b>ISO-1</b> /mdb:MD_Metadata/mdb:contentInfo/mrc:MD_CoverageDescription/mrc:attributeGroup/mrc:MD_AttributeGroup/mrc:attribute/mrc:MD_SampleDimension/mrc:units<br><b>netCDF</b> metadata/variables/variable@units/@nc:value<br></td></tr><tr><td>[[Concepts_Glossary#Coverage_Content_Type|Coverage Content Type]]</td><td>An ISO 19115-1 code to indicate the source of the data</td><td style="word-break:break-all;"><b>ISO</b> /gmd:MD_Metadata/gmd:contentInfo/gmd:MD_CoverageDescription/gmd:contentType/gmd:MD_CoverageContentTypeCode<br><b>ISO-1</b> /mdb:MD_Metadata/mdb:contentInfo/mrc:MD_CoverageDescription/mrc:attributeGroup/mrc:MD_AttributeGroup/mrc:contentType/mrc:MD_CoverageContentTypeCode<br></td></tr></table></div> |
+ | ''xPath Note:'' The xPaths included in this table use several wildcards. // means any path, so //gmd:CI_ResponsibleParty indicates a gmd:CI_ResponsibleParty anywhere in an XML file. /*/ indicates a single level with several possible elements. This usually indicates one of several concrete realizations of an abstract object. For example /*/gmd:identificationInfo could be gmd:MD_Metadata/gmd:identificationInfo or gmi:MI_Metadata/gmd:identificationInfo and gmd:identificationInfo/*/gmd:descriptiveKeywords could be gmd:identificationInfo/gmd:MD_DataIdentification/gmd:descriptiveKeywords or gmd:identificationInfo/srv:SV_ServiceIdentification/gmd:descriptiveKeywords. | ||
+ | ''Fit:'' The fit of the dialect path with the concept is estimated on a scale of 1 = excellent two-way fit, 2 = one-way fit or some other problem, 3 - extension required. | ||
''xPath Note:'' The xPaths included in this table use several wildcards. // means | ''xPath Note:'' The xPaths included in this table use several wildcards. // means | ||
any path, so //gmd:CI_ResponsibleParty indicates a gmd:CI_ResponsibleParty anywhere | any path, so //gmd:CI_ResponsibleParty indicates a gmd:CI_ResponsibleParty anywhere |
Revision as of 12:40, July 9, 2015
The following NetCDF Attribute Convention for Data Discovery variable attributes are highly recommended for data usability.
Source: ACDD Release 1.1Concept | Description | Dialect (Fit) Paths |
---|---|---|
Parameter Name (Standard) | The name of a parameter included in the resource from a standard vocabulary. | ISO-1 /mdb:MD_Metadata/mdb:contentInfo/mrc:MD_CoverageDescription/mrc:attributeGroup/mrc:MD_AttributeGroup/mrc:attribute/*/mrc:name/mcc:MD_Identifier/mcc:code/gco:CharacterString netCDF /nc:netcdf/nc:variable/nc:attribute[@nc:name='standard_name']/@nc:value |
Standard Name Vocabulary | The name of the shared vocabulary from which variable standard names are taken. | ISO /*/gmd:identificationInfo/*/gmd:descriptiveKeywords/gmd:MD_Keywords/gmd:thesaurusName/gmd:CI_Citation/gmd:title/gco:CharacterString ISO-1 /mdb:MD_Metadata/mdb:identificationInfo/*/mri:descriptiveKeywords/mri:MD_Keywords[mri:type/mri:thesaurusName/cit:CI_Citation/cit:title/gco:CharacterString THREDDS //thredds:dataset/thredds:dataset/thredds:variables/@vocabulary netCDF /nc:netcdf/nc:variable/attribute[@nc:name=standard_name_vocabulary]/@nc:value |
Units | The units of the variables data values. | ISO /gmi:MI_Metadata/gmd:contentInfo/gmi:MI_CoverageDescription/gmd:dimension/gmd:MD_Band/gmd:units ISO-1 /mdb:MD_Metadata/mdb:contentInfo/mrc:MD_CoverageDescription/mrc:attributeGroup/mrc:MD_AttributeGroup/mrc:attribute/mrc:MD_SampleDimension/mrc:units netCDF metadata/variables/variable@units/@nc:value |
Coverage Content Type | An ISO 19115-1 code to indicate the source of the data | ISO /gmd:MD_Metadata/gmd:contentInfo/gmd:MD_CoverageDescription/gmd:contentType/gmd:MD_CoverageContentTypeCode ISO-1 /mdb:MD_Metadata/mdb:contentInfo/mrc:MD_CoverageDescription/mrc:attributeGroup/mrc:MD_AttributeGroup/mrc:contentType/mrc:MD_CoverageContentTypeCode |
xPath Note: The xPaths included in this table use several wildcards. // means any path, so //gmd:CI_ResponsibleParty indicates a gmd:CI_ResponsibleParty anywhere in an XML file. /*/ indicates a single level with several possible elements. This usually indicates one of several concrete realizations of an abstract object. For example /*/gmd:identificationInfo could be gmd:MD_Metadata/gmd:identificationInfo or gmi:MI_Metadata/gmd:identificationInfo and gmd:identificationInfo/*/gmd:descriptiveKeywords could be gmd:identificationInfo/gmd:MD_DataIdentification/gmd:descriptiveKeywords or gmd:identificationInfo/srv:SV_ServiceIdentification/gmd:descriptiveKeywords. Fit: The fit of the dialect path with the concept is estimated on a scale of 1 = excellent two-way fit, 2 = one-way fit or some other problem, 3 - extension required. xPath Note: The xPaths included in this table use several wildcards. // means any path, so //gmd:CI_ResponsibleParty indicates a gmd:CI_ResponsibleParty anywhere in an XML file. /*/ indicates a single level with several possible elements. This usually indicates one of several concrete realizations of an abstract object. For example /*/gmd:identificationInfo could be gmd:MD_Metadata/gmd:identificationInfo or gmi:MI_Metadata/gmd:identificationInfo and gmd:identificationInfo//*/gmd:descriptiveKeywords could be gmd:identificationInfo/gmd:MD_DataIdentification/gmd:descriptiveKeywords or gmd:identificationInfo/srv:SV_ServiceIdentification/gmd:descriptiveKeywords. Fit: The fit of the dialect path with the concept is estimated on a scale of 1 = excellent two-way fit, 2 = one-way fit or some other problem, 3 - extension required.