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This week in OpenSim Dev – week ending Saturday 10th December 2010 December 13, 2010

Posted by justincc in opensim, opensim-dev, opensim-news, secondlife, twiod, virtual-environments, virtual-worlds.

Hello everybody.  This is a summary of the last week of development in OpenSimulator.  Except where otherwise specified, the changes described here appear only in OpenSim’s cutting edge Git ‘master’ branch. Please do not attempt to use code taken directly from ‘master’ in any production environment.  Sometimes this in-development code may not work or may even cause data corruption. If you are not a developer or tester, please treat this summary instead as a preview of what will be coming up in the next release. The latest official release is OpenSim (released on Saturday 11th September 2010).

The letters and numbers in brackets after some entries tell you the latest git commit to which they apply.

This week in OpenSim ( 7274874 – 8ea4933 ).

General news

  • None this week.

Features & bug fixes

  • Diva added the ability for the GetTexture capability (which serves textures over HTTP to viewers) to serve multiple image formats.  A different image format can be specified as a format=<format> parameter in the URL or as a MIME type in the HTTP Accept header.  The default format is still j2c (JPEG2000) (1070cff).
  • I updated OpenSim’s bundled Open Dynamics Engine (ODE) physics library to r1755 (post ODE 0.11.1) from ODE 0.10.1.  This particular version was chosen because it has received some testing.  The Linux and Windows libraries have been updated, Mac will follow (3ef9a4d).
  • I fixed a bug where sitting avatars would appear at the wrong place on the viewer minimap (a918c8d).
  • I removed the restriction where an avatar has to be logged in to a region if IARs are being saved or loaded from the command line.  This restriction is pointless if the command line requires the user’s password anyway (b46de6e).


  • No news this week.


1. Tweets that mention This week in OpenSim Dev - week ending Saturday 10th December 2010 | justincc.org -- Topsy.com - December 13, 2010

[…] This post was mentioned on Twitter by Justin Clark-Casey, Russell Holt. Russell Holt said: This week in OpenSim Dev – week ending Saturday 10th December 2010 http://bit.ly/gY398S […]

2. Bogus - December 13, 2010

Hi Justin ;D

Can you say, when come the 0.71 final ? And pls no more new versions from Hypegrid ;D

Have a nice Day ;D



3. Ener Hax - December 14, 2010

woot! thanks on the report! (a task in and of itself)

keep up the good work and thank you for making a way to express myself that i deeply enjoy =)

4. justincc - December 14, 2010

@Bogus – I would expect 0.7.1 to be out fairly soon but I couldn’t give a specific date. As for Hypergrid, I don’t believe that it’s going to change a lot now before 0.7.1 is released but I couldn’t say for sure, since I’m not writing that code.

@Ener – Hey Ener 🙂 Yeah, reporting all this is quite a task, particularly as there are so many different areas of OpenSim, many of which even I don’t have a lot of expertise on yet. But one tries, one tries…

5. Breen Whitman - December 18, 2010

“I updated OpenSim’s bundled Open Dynamics Engine (ODE) physics library to r1755”

I was somewhat excited to read this. I do enjoy playing with prim physics.

6. justincc - December 22, 2010

Hi Breen. I’m not sure how much an improvement this will make to physics itself (there’s some pretty odd behaviour which I suspect is more likely to be improved by changes to OpenSim itself rather than ODE). However, I’m optimistically hoping for a reduction in crashes and early indications are that this has got no worse, at least.

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