Tag: Planet

Short update to “Growing agreement to CT”

In my last post in average ca. 38 members accepted the new Contributor Terms (CT) every day. I created a new diagramm which shows the increase of the accounts for the past month.

Overall for the past month every day ca. 55 accepted the new CT.

What causes the increasing support to the new license? Are more people getting familiar with the new license through publicity work? Or is it maybe Fabian´s ODbl-Map?

thx @ dennis

Small add-ons to “How did you contribute …”?

Because of the upcoming license discussions, I made some small additions to the “How did you contribute to OpenStreetMap?” website. First (1) I imported a new planet dump file dated 11/17/2010. Additionally the user can get the information now if the OSM contributor has agreed to the new ODbL/CT, indicated by a green “Agreed” at the bottom part of the page.

If the OSM contributor has not agreed to the new ODbL/CT yet, it’s showing a different message (3), requesting the contributor to review and accept the new ODbL/CT here.

I hope that helps and please remember: If a contributor has not agreed to the new license yet, it could imply that he/she does not know about the license changes so far!

Try it out: http://hdyc.neis-one.org/

thx @ Dennis

Growing agreement to contributor terms

As I mentioned in an earlier post, since October 10th there is a list of OSM member accounts available that have agreed to the contributor terms. The file is available here and it will be refreshed every hour. I created a diagram that shows the increase of the number of accounts in the past.

So for the past 15 Days, in average, about 38 members accepted the contributor terms every day. As you can see in the figure above, there was a problem while creating the users file on the server between Oct. 29 and 31. It seems to be working normally again by now. Remember, new OSM members do automatically agree to the new conritbutor terms, so that they are NOT counted in this list!

However, I think it will be interesting to see if or how a change will be visible in the next weeks (or months?) compared to the numbers from my last post “Change of OSM object numbers through relicensing – Vers. 1”

thx @ dennis 🙂

How did you contribute to OpenStreetMap ? Version 2.0

Since my last blog post there are some small improvements available for the “How did you contribute to OpenStreetMap?” website.

The following picture shows the changes. First (1) I imported the new full history (10/22/2010) and normal planet dump file dated 10/27/2009. Completely *new* is the second OSM map which shows the “last” contributed node of the user (2) (depending on the imported OSM planet dump file in my database). Further a link to the contributor’s page in the OSM wiki has been included (3).

So: “How did you contribute to OpenStreetMap?” Use your UserLink and share it with other OSMers or simply get some information about other OSMers!

thx @ dennis

Change of OSM object numbers through relicensing – Vers. 1

Most of you know that OSM will change its license. This means that all data of the OSM project must be relicensed and therefore the contributors have to accept the new contributor terms. Some information about the new ODbL license can be found here.

Since October 9th or rather 10th there is a list of OSM member accounts available that have agreed to the new license. Here you can find Richard’s announcement in the OSMF blog and Matt’s announcement on legal-talk@openstreetmap.org.

Based on my “How did you contribute to OpenStreetMap?” database and the just mentioned “agreed users” list, I created some stats. Sadly they are (still) not up to date, but in my opinion interesting enough to publish them here anyway. In the first attempt I used the last modifier of an OSM object (node/way/relation) as the owner of the object. On the second analysis I use the creator (version=”1″) as the owner of the object.

In my OSM-User-Database of 10/13/2010 a total of 104354* members are the “owners” of the following OSM objects (* Notice: Not every member of the OSM project has contributed!):

  • Number of nodes : 801562971
  • Number of ways : 66719256
  • Number of relations: 765276

You can find the current status of the OSM database statistics here.

As of Oct. 10 th, 2010 (00:00), 2831 Users have accepted the new license. 18054 new OSM members (uid >= 286582) have accept the new contributor terms automatically. I created the following numbers of OSM objects, which will be available for relicensing (at the above mentioned date of my data). If you assume that the last modifier is the owner of the object: (the numbers in brackets represent the percentage of the total objects!)

  • Number of nodes : 448027992 (55,8943%)
  • Number of ways : 31734455 (47,5642%)
  • Number of relations: 237699 (31,0606%)

As I mentioned above, I did the same analysis with a second dataset in which the creator is also the owner of the OSM object (my table is based on the full-history-dump of August 1, 2010). A total of 98415 members created:

  • Number of nodes : 796020493
  • Number of ways : 63879479
  • Number of relations: (numbers available soon)

And the following numbers of OSM objects will be available for relicensing:

  • Number of nodes : 431778708 (54,2422%)
  • Number of ways : 29885534 (46,7842%)
  • Number of relations: (numbers available soon)

Remember, these statistics contain the TIGER import! If you extract this import, surely the percentage of nodes and ways are less, about 14% or even more? Maybe there a several data imports which have to be considered in the numbers? Has anyone else analyzed this before? However, I try to repeat these stats in the near future…

thx @ “the fabulous” dennis

Contribution in percentage

Some time ago I saw a diagram on the OpenStreetMaps statistics pages which showed the contribution of OSM Data by contributor in percent (here). This diagram was created last year (2009).

I tried to repeat this interesting analysis with the latest OSM data to see if there have been any significant changes. The following diagrams show the results of this analysis using the mid-august OSM data. The last modifier of an object is being considered as owner. (I think it has been handled the same way in the diagram of 2009?)

Contribution of Nodes

Contribution of Ways

Contribution of Relations

The results are more or less identical to the ones from last year. 98% of the OSM data are distributed on almost 10000 contributors in 2009 and 12000 contributors in 2010.

Based on my “How did you contribute to OpenStreetMap ?” and the used full planet dump (08/01/2010) I tried to create the same diagrams but based on the contributor who created the objects (version=”1”). The results are as followed:

Contribution of Nodes

Contribution of Ways

Contribution of Relations

I personally expected that the diagrams would change based on the questions “Who created the object?” and “Who worked on the object the last?”, but one needs to take a very close look to determine the differences within the stats. This means that more or less just about 12000 members have been working on the DB and contributed most of the data … what do you think?

thx @ dennis

How did you contribute to OpenStreetMap ? -Update-

Since last week there is a website available, which is able to display how you contributed to the OpenStreetMap (OSM) project: http://hdyc.neis-one.org

Today, I made some small updates. The picture below shows the changes in the website. First (1) I imported the new planet data (Planet Dump 09/15/2010) that shows you on which OSM objects you are the most recent modifier. *NEW* is that the timestamp of your first contribution to OSM is displayed (see (2)!), further a link to your first OSM Node is attached (3).

How did you contribute to OpenStreetMap ?

How did you contribute to OpenStreetMap ?

So: “How did you contribute to OpenStreetMap?” Use your UserLink and share it with other OSM members (3) … 🙂

„Nominal Members“ of #OSM – II

Last week I was able to present a variety of statistics that showed the amount of OpenStreetMap (OSM) members of the database compared with the numbers of  the actual amount of registered members.  However, I was just able to consider the most recent dataset (Planet Dump 08/19/2009) and could not take the history of the different objects into account. The results of this first analysis showed that last changes in the OSM database have been made by a total of 98.000 members.

In one of the comments to this post, Apmon mentioned that he had conducted a pretty similar analysis in the past but he had used the changeset file. In his case the results showed about 130.000 members that had contributed to OSM.

For a couple of months now there is a, for now still experimental, full planet dump file available, which also considers the history of the OSM objects. I repeated my analysis from last week with this dump file and counted all the members that ever created a node, a way and/or relation or modified any of them. The results showed about 112.000 OSM members.

I was still surprised by the differences between the results of my analysis and the one conducted by Apmon. So I took a closer look at the changeset-file. Using the most recent changeset-file (08/25/2010) I received a pretty similar amount of almost 132.000 members that assumedly made changes in OSM. However, the results show that there is a noticeable difference between the changeset-file and the planet-file. But where does this difference come from? Could there be changesets that have been recorded although nothing has ever been changed in the OSM database? Apparently the answer is “yes”! The number of members in the changeset file that caused a changeset but never included any actual changes is around 16.000. I asked Frederik how this could be possible. He and Matt explained that as soon as a member signs in with Potlach a changeset is created automatically for this user. This means that 16.000 members signed in with Potlach but never made any changes in the database? Very interesting number, isn’t it? Did the “new” members only take a look at the editor or were they overstrained?

By Damien Cox

By Damien Cox

There was another comment to the last post by Harry, who suggested, to send an email to all OSM members, for example afterfinishing Potlach 2. This way the “non-active” members might get active and interested in the project again. I think this is a great idea! Although there are a few things that need to be considered before doing this, as Harry mentions in his comment

… and again: thx @ dennis !

„Nominal Members“ of OSM?

There has been an exciting question on the German OSM mailing list yesterday (here). To clarify this question a little to the readers of this blog, the OSM member basically asked if anybody knows how many users ever really worked on a single note in OSM at all, and how many so called “nominal members” (members that never touched any node in OSM) can be found in OSM?

It sounded interesting to me, so I started working on a way to figure out the numbers. My results showed that the entire OSM planet file (dated 08/18/2010) has about 735 million nodes that have been provided by about 93.000 OSM members. 60 million ways were mapped by 68.000 members and about 10.000 members were involved with the creation of almost 690.000 relations. The history of the objects could not be considered during the analysis! In total there were about 98.000 members that contributed to the OSM database.

However, these numbers still show an interesting result considering the actual amount of 290.000 registered OSM members. So the question remains if there are a lot of members in OSM who are still standing in the waiting line and will start with their first edits pretty soon?

To see what the numbers looked like one year ago, I changed the tool that I created one more time and repeated the analysis with the planet file of 08/19/2009. I received the following results: At the given time there were about 412 million nodes provided by 49.000 members in the database. 32 million ways were mapped by 41.000 members and about 6.000 members were involved with the creation of almost 180.000 relations.

This means that one year ago all OSM data has been provided by 51.000 members although there were about 145.000 members registered. Thus, in the year 2009 about 35% of registered members did at least one edit on the OSM database. This number does not really change with the latest OSM dataset, with 290.000 registered members and about 98.000 members with at least one edit which represent about 34%!

To give a better overview, here are even more numbers for the year 2008: 253 million nodes provided by 15.000 members. 20 million ways mapped by almost 14.000 members and about 16.000 relations created by 1.600 members. In total there were about 16.000 members that contributed to the OSM database, while there were about 55.000 members registered. Thus, the percentage of active registered members lies around 29%.

In general the remaining question is: What happened to the other 65% that registered for the project but did not contribute to it? Is it too hard or too complicated to contribute to the project? Did those members just collect data for a short period of time? Is that why they do not show up in the analysis shown above?

thx @ Dennis for helping me with the translation!

OSM-“User”-WorldmapS

In the last post “current” OSM user activities per day, week and month were shown. The table providing the information of Users per Country was limited to the “TOP 16” and just a short timeframe. The following world map shows the amount of users per country for one month i.e. 10.05-10.06.2010

However, since this first map just gives some general information about the total amount of users per country and does not consider the population in each country, we made a second map that shows the relation between active users and the population in each country. To develop this map a so called “OSM-User-Ratio” has been created which includes the amount of OSM users per 1 million citizens for each country.

Next to the amount of users also the total amount of new nodes for each country were analyzed and can be seen in the following world map. The total amount of notes does not consider modified or deleted nodes.

So called “Bots” which are able to do certain automatic tagging-changing-actions have not been considered in the world map including the total amount of new nodes. Future analysis should consider these automatically created changes to show the differences between the maps including the nodes with and without the use of bots. Furthermore it would be interesting to see how many nodes in average are being created by one user a day, a week or a month … further suggestions or ideas?

thx @ dennis z. for the maps!