[jira] [Resolved] (SIS-540) Add an ESRI ASCII Grid reader and writer

["Martin Desruisseaux (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SIS-540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Desruisseaux resolved SIS-540.
-------------------------------------
    Resolution: Fixed

> Add an ESRI ASCII Grid reader and writer
> ----------------------------------------
>
>                 Key: SIS-540
>                 URL: https://issues.apache.org/jira/browse/SIS-540
>             Project: Spatial Information Systems
>          Issue Type: New Feature
>          Components: Storage
>    Affects Versions: 1.1
>            Reporter: Martin Desruisseaux
>            Assignee: Martin Desruisseaux
>            Priority: Major
>             Fix For: 1.2
>
>
> Add a reader and writer for ESRI ASCII Grid format. This is a very simple format easy to implement, and used commonly enough for being worth to be supported. See the [Wikipedia page|https://en.wikipedia.org/wiki/Esri_grid] for a format description.
> The reader/writer to implement in SIS are ports from the Geotk {{AsciiGridReader}} and {{AsciiGridWriter}} classes. Compared to the ESRI ASCII Grid format, the SIS implementation will have the following extensions. The 2 first extensions in this list exist also in GDAL:
> * Coordinate reference system specified by auxiliary {{*.prj}} file. If the format is WKT 1, the GDAL variant is used (that variant differs from the OGC 01-009 standard in their interpretation of units of measurement).
> * {{DX}} and {{DY}} parameters in the header are used instead of {{CELLSIZE}} if the pixels are non-square.
> * Lines in the header starting with {{'#'}} are ignored as comment lines.



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