[News] OpenStreetMap.org in FLOSS Weekly, OSCON Summary from LWN

[News] OpenStreetMap.org in FLOSS Weekly, OSCON Summary from LWN

Post by Roy Schest » Tue, 11 Aug 2009 05:05:32


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FLOSS Weekly 81: OpenStreetMap.org

,----[ Quote ]
| OpenStreetMap.org, the provider of free and royalty-free geographic data.
|
| Guest: Steve Coast for OpenStreetMap.org
`----

http://www.twit.tv/FLOSS

OSCON 2009: Governments and open source

,----[ Quote ]
| It is hard to have an overriding "theme" at an event as large as O'Reilly's
| Open Source Convention (OSCON), but during the 2009 convention, one subject
| that came up again and again was increasing the number of connections between
| open source and government. There are three basic facets to the topic:
| adoption of open source products by government agencies, participation in
| open source project development by governments and their employees, and using
| open source to increase transparency and public access to governmental data
| and resources. Though much of the discussion (particularly in the latter
| category) sprang from the new Obama administration's interest in open data
| and government transparency, very few of the issues are US-centric: the big
| obstacles to government adoption of open source technology are the same
| around the world, from opaque procurement processes to fears about secrecy
| and security.
`----

http://lwn.net/Articles/344119/


Recent:

Post-OSCON roundup

,----[ Quote ]
| A lot happened in the few days since my keynote at OSCON and I think it
| time I did a round-up of women-in-open-source-related stuff from the
| conference itself and the not-quite-a-week since.
|
| Some wins for the conference:
|
| * Gina Blaber from Oeilly tells me that female attendance is up, and it
| looked that way to me. I guess around 5%, which of course is still kind
| of appalling, but I think a bit higher than last year.
| * Proportion of female speakers is up to 8.9% (from 8.36% last year).
| That just based on actual numbers of people, not the talks they gave;
| it might be a smidge higher based on number of talks. A small
| improvement, but any improvement is good at this point.
`----

http://infotrope.net/blog/2009/07/30/post-oscon-roundup/


2009 Google-O'Reilly Open Source Award Winners

,----[ Quote ]
| At this year's OSCON (O'Reilly Open Source Convention) event that took place
| last week in San Jose, California, Google announced the winners of its
| Google-O'Reilly Open Source Awards, which are given every year to the top
| contributors in various IT-related domains. Individuals that have shown
| exceptional dedication, leadership, innovation and have been actively
| contributing to open source development were rewarded in a ceremony in front
| of their peers.
`----

http://news.softpedia.com/news/2009-Google-O-039-Reilly-Open-Source-Award-Winners-117742.shtml


OSCON 2009

,----[ Quote ]
| I be hard-put to say whether OSCON or RubyConf is my favorite conference of
| the year; when I miss either I grumpy. Here a brief report from the
| latest San Jose instalment, with pictures.
`----

http://www.tbray.org/ongoing/When/200x/2009/07/27/OSCON


Standing out in the crowd: my OSCON keynote

,----[ Quote ]
| If you weren at OSCON this morning, here is what I spoke about in my
| keynote, Standing Out in the Crowd. I including most of the key visuals, so
| my apologies for the image-heavy post. Il also be uploading to
| slideshare.net (with voiceover I hope) and I told there will be video u
 
 
 

1. ANSI C compiler for x86 in Bash clax86-submit@crayne.org, lwn@lwn.net

2. Why not quadtrees for Openstreetmap.org maps??

They now use a database, which is roughly O(n).

You can fetch daily files of openstreetmap with:
wget http://www.yqcomputer.com/ ( < 6Gb)


Then, you get an uncompressed XML of about ... 100Gb.

A quadtree looks like this:
http://www.yqcomputer.com/
and is O(log(n))


With a datastructure, that is organised like that, it would be incredible
fast to reconstruct images from the data, and add data to openstreetmap...

Of course, if you would store blocks of 1 x 1, that would be an idea too.
(you start off 360 x 360, split into .. 180 x 180, then into 90 x
90 , then, ... )



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Shortwave transmissions in English, Francais, Nederlands, Deutsch,
Suid-Afrikaans, Chinese, Dansk, Urdu, Cantonese, Greek, Spanish,
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http://www.yqcomputer.com/ Updated every month or so ....

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