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https://issues.apache.org/jira/browse/SIS-121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Desruisseaux closed SIS-121.
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> AngleFormat should be able to optionally omit zero fields
> ---------------------------------------------------------
>
> Key: SIS-121
> URL: https://issues.apache.org/jira/browse/SIS-121
> Project: Spatial Information Systems
> Issue Type: Improvement
> Components: Utilities
> Affects Versions: 0.3
> Reporter: Martin Desruisseaux
> Assignee: Martin Desruisseaux
> Priority: Minor
> Fix For: 0.4
>
>
> {{AngleFormat}} currently formats the degrees, minutes and seconds field
> unconditionally. We should be able to omit the fields having a zero value, if
> desired, for more compact representation. Optional field can be identified by
> a question mark in the pattern. For example the 90° value:
> * Using {{DD°MM′SS″}} pattern, is always formatted as {{90°00′00″}}.
> * Using {{DD°?MM′?SS″?}} pattern, is formatted as {{90°}} since the minutes
> and seconds fields are zero.
> The use of question mark is by analogy with regular expression, where ? means
> "zero or one occurrence of previous character".
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