WKT1_ESRI: fix import and export of CompoundCRS #2389
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…press ellipsoidal heights
…OGCS[...],VERTCS[...]
…en ellipsoidal height is found
…ellipsoidal height
… we can find a corresponding ellipsoidal vertical datum
rouault
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… But only works with PROJ 7.2 / OSGeo/PROJ#2389
rouault
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… But only works with PROJ 7.2 / OSGeo/PROJ#2389
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Nominal WKT1_ESRI doesn't use COMPD_CS[...], but "GEOGCS[...],VERTCS[...]" or "PROJCS[...],VERTCS[...]". Handle that in import and export
Furthermore there are VERTCS[] that have a DATUM[] child node instead of VDATUM[] to express ellipsoidal heights. Handle that in import/export by morphing from/into Geographic 3D or Projected 3D CRS.