Artem Pavlenko 459f43b39c 1. use more precise coord values in SQL statements. ... 2. added extra parameter 'estimate_extent'. By default, exact extent will be calulated e.g : select extent(geom) from table_name; Sometimes it is more practical (faster!) to use estimated extent select estimated_extent('table_name','geom'); but it is somewhere around 95% accurate. Usage: .... params["estimate_extent"]="true"; ....		2006-10-09 20:57:04 +00:00
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input	1. use more precise coord values in SQL statements.	2006-10-09 20:57:04 +00:00