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2012年 6月 19日 (火) 16:31:23 JST
HAYASHI Kentaro 2012-06-19 16:31:23 +0900 (Tue, 19 Jun 2012) New Revision: b67ba0813286b9c355d772e9c5f2fb1b7c4b54f5 https://github.com/groonga/groonga/commit/b67ba0813286b9c355d772e9c5f2fb1b7c4b54f5 Log: doc: fix markup about geo_distance Modified files: doc/source/functions/geo_distance.txt Modified: doc/source/functions/geo_distance.txt (+10 -7) =================================================================== --- doc/source/functions/geo_distance.txt 2012-06-19 16:22:47 +0900 (274c07d) +++ doc/source/functions/geo_distance.txt 2012-06-19 16:31:23 +0900 (9cb0b15) @@ -32,7 +32,7 @@ The unit of return value is meter. Usage ----- -This section explains geo_distance. +This section explains ``geo_distance``. ``geo_distance`` is one of the groonga builtin functions. You can call a builtin function in :doc:`/reference/grn_expr` @@ -43,9 +43,9 @@ between the coordinate of ``point1`` and the coordinate of ``point2``. .. note:: groonga provides three built in functions for calculating the value of distance. - There are geo_distance(), geo_distance2() and geo_distance3(). + There are ``geo_distance()``, ``geo_distance2()`` and ``geo_distance3()``. The difference of them is the algorithm of calculating distance. - geo_distance2() and geo_distance3() were deprecated since version 1.2.9. + ``geo_distance2()`` and ``geo_distance3()`` were deprecated since version 1.2.9. Use ``geo_distance(point1, point2, "sphere")`` instead of ``geo_distance2(point1, point2)``. Use ``geo_distance(point1, point2, "ellipsoid")`` instead of ``geo_distance3(point1, point2)``. @@ -125,15 +125,18 @@ You can specify the value of ``approximate_type`` by one of the followings. .. note:: - There is a limitation about geo_distance. geo_distance can not calculate - the value of distance between two points across meridian, euator or - the date line. + There is a limitation about ``geo_distance``. ``geo_distance`` can not + calculate the value of distance between two points across meridian, + euator or the date line. This is temporary limitation according to the implementation of groonga, but it will be fixed in the future release. .. note:: - There is a limitation about geo_distance above notice. But it relaxes the limitation if you use ``rectangle`` as approximate type. You can calculate the correct distance if two point are placed at northern hemisphere. + There is a limitation about ``geo_distance`` above notice. + But it relaxes the limitation if you use ``rectangle`` as approximate type. + You can calculate the correct distance if two point are placed at northern + hemisphere. ``rectangle`` ............... -------------- next part -------------- HTML$B$NE:IU%U%!%$%k$rJ]4I$7$^$7$?(B... ダウンロード