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diff --git a/html/faq.html b/html/faq.html index 27ce1db9..86cb3db4 100644 --- a/html/faq.html +++ b/html/faq.html @@ -153,6 +153,25 @@ Their use is more fully described in the <!--------------------------------------------------------------------------> +<h2>Does PROJ.4 work in different international numeric locales?</h2> + +No. PROJ.4 makes extensive use of sprintf() and atof() internally to translate +numeric values. If a locale is in effect that modifies formatting of +numbers, altering the role of commas and periods in numbers, then PROJ.4 +will not work. This problem is common in some European locales.<p> + +On unix-like platforms, this problem can be avoided by forcing the use +of the default numeric locale by setting the LC_NUMERIC environment variable +to C. <p> + +eg. +<pre> +$ export LC_NUMERIC=C +$ proj ... +</pre> + +<!--------------------------------------------------------------------------> + <hr> Requests to add items to the frequently asked questions list |