OAR Format 0.1
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OpenSim Test.r32 | OpenSim Test.r32 | ||
| + | = See Also = | ||
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| + | * [[Status|Main Status Page]] | ||
| + | * [[Technical_Reference|Technical Reference Page]] | ||
| + | * [[OAR_Format| What is OAR Format?]] | ||
| + | * [[OpenSim_Archives|How to use OpenSim Archives (OAR)]] | ||
| + | * [[OAR format 0.1 | OAR format 0.1]] | ||
| + | * [[OAR format 0.2]] | ||
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Revision as of 08:58, 24 May 2009
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Technical Reference -> Terms -> OAR Format -> OAR format 0.1
What is the OAR 0.1 format?
Detail
At the present time, a region archive is a gzipped tar file (tar.gz) in the the original unix tar format (not USTAR). This can be extracted and created with standard tools (7-zip on Windows). The structure of the archive is as follows
archive.xml assets/ objects/ terrains/
archive.xml
This is the archive control file. At the moment it contains only a major and minor version number, to allow compatibility with future format changes.
assets/
This directory contains all the assets in the archive. Each filename has the following format
uuid_asset type.asset extension
The uuid section must always be present and form a valid uuid - it is used directly as the uuid for that asset. The asset type and asset extension are used to identify the type of asset and the asset extension allows the asset to be associated with different editors on platforms such as Windows. For instance, a script will always have the asset type and extension script.lsl. A full list of asset types and extensions can be found in the file
OpenSim/Region/Environment/Modules/World/Archiver/ArchiveConstants.cs
in the OpenSim distribution.
objects/
Each individual file in here is an object in the region (where an object [linkset] can be composed of many prims). The file format used is OpenSim's XML2 format. Each filename has the following structure by default
Object name_x-y-z__uuid.xml
Unlike asset filenames, any component of this name can be changed without affecting any attributes of the object itself - this information is taken from the xml instead. Indeed, this file can have any name - there is no need for any of the sections to be present. An example object file name is
Primitive_154-121-062__9be68fdd-f740-4a0f-9675-dfbbb536b946.xml
terrains/
This contains the terrain file for the region, stored in RAW format. The filename must end with .r32. For example,
OpenSim Test.r32
