由於電腦系統重灌，連帶地要重新安裝Google Earth
結果就發現新版的 Google Earth
已經提供原先付費版本才有的[polygon]以及[path]的功能，
GE 官方網站有詳細的說明
Google Earth (Release 4 - BETA)
http://earth.google.com/earth4-beta6.html
New features (as of November 1st, 2006))
Drawing Tools:
The path and polygon drawing tools are now available in the
free product.
You can easily sketch figures on the imagery for richer
annotations and can share these overlays as KML or KMZ files.
These features can be accessed from the toolbar.
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台灣360°環景攝影記事
http://taipro.blogspot.com/
台灣360°VR與全景攝影論壇
http://www.taiwan360.org/
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