From ef3a387abd5989f6d5242a6c8cd0f7b6e7318484 Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Sat, 4 Apr 2020 13:17:02 +0200 Subject: Doc: define 'Ballpark transformation' --- docs/source/operations/operations_computation.rst | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'docs/source/operations') diff --git a/docs/source/operations/operations_computation.rst b/docs/source/operations/operations_computation.rst index ef84cfb2..2f532127 100644 --- a/docs/source/operations/operations_computation.rst +++ b/docs/source/operations/operations_computation.rst @@ -106,11 +106,8 @@ which can be used as an override). As those results all involve operations that does not have a perfect accuracy and that does not cover the area of use of the 2 CRSs, a -'Ballpark geographic offset from NAD27 to NAD83' operation is synthetized by PROJ. -This operation is a sort of dummy operation that only takes into account potential -difference of axis orders (long-lat vs lat-long), units (degree vs grads) and -prime meridian (Greewich vs Paris/Rome/other historic prime meridians). It does -not attempt any datum shift, hence the "ballpark" qualifier in its name. +'Ballpark geographic offset from NAD27 to NAD83' operation is synthetized by PROJ +(see :term:`Ballpark transformation`) Filtering and sorting of coordinate operations ---------------------------------------------- -- cgit v1.2.3