OpenLayers(GIS)

Scales for Open Street Map Zoom Levels (Useful)
摘要: zoom level=1 scale_denom=279541132.014zoom level=2 scale_denom=139770566.007zoom level=3 scale_denom=69885283.0036zoom level=4 scale_denom=34942641.5018zoom level=5 scale_denom=17471320.7509zoom level...阅读全文
posted @ 2010-07-22 23:06 craystall 阅读(46) | 评论 (0) 编辑