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diff --git a/html/faq.html b/html/faq.html index 655080da..fcf816e6 100644 --- a/html/faq.html +++ b/html/faq.html @@ -135,6 +135,14 @@ for coordinate systems. There are known to be problems with some coordinate systems, and any coordinate systems with odd axes, a non-greenwich prime meridian or other quirkyness are unlikely to work properly. Caveat Emptor!<p> +<!--------------------------------------------------------------------------> + +<h2>How do I use 3 parameter and 7 parameter datum shifting</h2> + +Datum shifts can be approximated with 3 and 7 parameter transformations. +Their use is more fully described in the +<a href="gen_parms.html#towgs84">towgs84</a> discussions.<p> + <!--------------------------------------------------------------------------> |