[talk-au] rendering times for NSW maps

Paul mylists at wilsononline.id.au
Sun Nov 18 21:20:35 GMT 2007


just for the records which website are we talking about, is it the main 
http://www.openstreetmap.org? or the information.. site?

On 18/11/2007 1:48 AM, David Groom wrote:
> blank
> ----- Original Message ----- 
> From: "Brent Easton" <b.easton at exemail.com.au>
> To: "Paul" <mylists at wilsononline.id.au>; "OSM Australian Talk List" 
> <talk-au at openstreetmap.org>
> Sent: Saturday, November 17, 2007 7:06 AM
> Subject: Re: [talk-au] rendering times for NSW maps
> 
> 
>> Hi Paul,
>>
>> The weekly dump of the planet.osm file happens Thrusday morning our time, 
>> finishing mid to late morning. That data is then loaded into a PostGIS 
>> database (more hours) from which the Mapnik renderings happens.
>>
>> Tiles are only marked to be re-rendered when people actually look at them 
>> so when you first go to an area, you don't see any change.
> 
> Also if your browser has cached the original images, then simply "looking" 
> at them again may not actual cause a re-render as the server doesn't know 
> anyone is "looking" at the tile .
> 
> David
> 
> 
>> Some time later, depending on how many other tiles around the world are 
>> being view at the same time, your rendering will be done and when you go 
>> back, there are your changes.
>>
>> For various technical reasons (disk space etc.), this process breaks and 
>> is re-run, so it can be well into the weekend or early next week before 
>> you see the changes from mapnik.
>>
>> Check out te osmarender layers though. Osmarender is now running on a new 
>> server and it is turbo-charged. Changed tiles are marked automatically and 
>> can be re-rendered within the hour. Some times it takes longer though, or 
>> you can request a manual re-render which happens real fast.
>>
>> Regards,
>> Brent.
>>
>>
>> *********** REPLY SEPARATOR  ***********
>>
>> On 17/11/2007 at 8:42 AM Paul  wrote:
>>
>>> This is probably a regular question but I thought changed titles where
>>> rendered once a
>>> week on Wed. I put some new roads around Bathurst on Tuesday but most
>>> haven't showed and
>>> some only show at different zoom levels.
>>> What the latest take on this?
>>>
>>> Paul
>>>
>>>
>>> _______________________________________________
>>> Talk-au mailing list
>>> Talk-au at openstreetmap.org
>>> http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk-au
>>>






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