[jira] [Created] (SIS-373) Create JNI wrapper for GDAL/Proj.4

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

Martin Desruisseaux created SIS-373:
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             Summary: Create JNI wrapper for GDAL/Proj.4
                 Key: SIS-373
                 URL: https://issues.apache.org/jira/browse/SIS-373
             Project: Spatial Information Systems
          Issue Type: Bug
          Components: Referencing
    Affects Versions: 0.7
         Environment: Linux, MacOS
            Reporter: Martin Desruisseaux
            Assignee: Martin Desruisseaux
            Priority: Minor
             Fix For: 0.8


Allows Apache SIS to use Proj.4 for now (GDAL later) through Java Native Interface (JNI). This feature is provided in a separated module {{sis-gdal}}. It is aimed mostly to people who need a map projection not yet defined in Apache SIS, or who need to reproduce the exact same numerical results than Proj.4. Note that Proj.4 do not provide information on coordinate operation accuracy or domain of validity.

CRS backed by Proj.4 can be created by using a definition string like  {{"Proj4::+init=epsg:3395 +over"}}. *Warning:* despite the {{"epsg"}} word, coordinate reference systems created by {{"+init=epsg:"}} syntax in Proj.4 are not necessarily compliant with EPSG definitions. In particular, the axis order is often different. Units of measurement may also differ.



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