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    • Type: Sub-task
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Referencing
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      Description

      The Krovak projection is similar to the Lambert Conic Conformal (already implemented in Apache SIS), but with the axis of the code not coincident with the minor axis of the ellipsoid.

      The Krovak projection is already provided in the Geotk project, but we were not the first author of that code. Consequently:

      • The equations need to be rewritten (except the ones about derivatives), using ยง1.3.2.1 of Geomatics Guidance Note number 7 part 2 (April 2015) at the source.
      • The providers need to be rewritten by doing a copy-and-paste of an Apache SIS provider, then replacing the parameter definitions by the ones provided by the EPSG registry.

      Note that SIS-215 should be implemented first, since this task would be actually the Krovak (North Orientated) case with only an adjustment in the sign of some (de)normalization matrix coefficients.

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              • Assignee:
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                Reporter:
                desruisseaux Martin Desruisseaux
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                • Created:
                  Updated: