Difference between revisions of "Land units"

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One of the most common confusions about Second Life I ([[Torley]]) come across is '''distinguishing between land hierarchy terms'''. As in:
 
* "What's the difference between a region and an estate?"
* "Are a region and a sim the same thing?" (No, not quite; "sim" gets misused often. [[Sim|Learn the difference]].)
 
Totally understandable.
 
Ever seen the brilliant short, ''Powers of Ten''? I highly recommend watching it, if only to get an awe-inspiring idea of our real world fits together, and how bigger groups contain smaller units.
 
<videoflash>A2cmlhfdxuY</videoflash>
 
In a similar way, since Second Life is 3D and graphical, I thought I'd show you an '''elegant, visual "cheat sheet" of our land hierarchy'''. Click to enlarge (or right-click and download), and share it with your friends!
 
[[File:Land-units.jpg|800px|link=http://wiki.secondlife.com/w/images/7/71/Land-units.jpg]]
 
In short, the hierarchy, from general biggest to smallest units, is:
 
* '''Grid'''
** '''Estate'''
*** '''Region'''
**** '''Parcel'''
 
Important concepts:
 
* '''A smaller unit is ''always'' contained by a larger unit. Also, a smaller unit can ''never'' contain a larger one.''' For example, regions ''always'' belong to an estate. Even if a parcel is the size of a region in an estate consisting of that single region, the parcel still belongs to that region, which in turn belongs to that estate.
* '''[[Continent|Continents]] ''aren't'' formal units.''' They're (mostly) contiguous geographical features not systematically represented as such. Their names are also not necessarily shown inworld, but used for cultural familiarity. For example, while Heterocera Atoll is on a different part of the grid than Jeogeot ([[:Category:Images_of_Agni_Continents|as shown here]]), they ''both'' belong to the same, [[Linden]]-administrated mainland estate, as all mainland continents do.
* '''Square meters (m<sup>2</sup>) were chosen as a general representation due to their familiarity and rough proportion to avatar size.''' However, scale is different in Second Life: for example, houses are often more spacious inside due to how the third-person camera controls get obscured by walls. So for practical purposes, virtual square meters ''aren't'' the same as real-world square meters.
 
Obviously, this is a simplified view; [[Teen Second Life]] isn't represented, nor are details of various continents and cultural features. If you're interested in more of that, [[Category:Culture|see the Culture Category]], and we have '''[[Land|more information about the above terms]]'''.
 
''The above was adapted from [https://blogs.secondlife.com/community/community/tnt/blog/2010/02/04/land-grid-estate-region-parcel-whats-da-difference#comment-774161 this blog post].''
 
== See also ==
 
* '''[[Limits]]''' - More numerical information.
* '''[[Land]]''' - Page with more technical details about various grids and soforth.

Latest revision as of 07:24, 6 December 2011

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