Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-22 Thread Simone Cortesi
On Sat, Nov 21, 2009 at 13:50, Igor Brejc igor.br...@gmail.com wrote:
 Richard, thanks for mentioning Kosmos :)
 Yes, Kosmos draws OSM data on-the-fly and it supports continuous zoom
 levels (I've limited it up to zoom level 18 because of some .NET drawing
 engine problems on higher zooms). There are two drawbacks however: it
 runs on Windows only and the latest released version is getting old. But
 I'm working (hard?) on the v3 version which I hope will be easier to use
 and more powerful. And if I get the time, I'll try to make it Linux (and
 Mac)-friendly.

Thanks yo you Igor,
I really like Kosmos, I think of it as the most handy rendering system
available around OSM, its maps are far from polished as those made by
mapnik. But for a quick and dirty rendering, where you need to work on
a single area, it is awesome. It will be a very good thing to have a
full linux porting.

Keep up the good work!

-S

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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-22 Thread Aun Johnsen
On Sat, Nov 21, 2009 at 9:50 AM, Igor Brejc igor.br...@gmail.com wrote:

 Richard, thanks for mentioning Kosmos :)
 Yes, Kosmos draws OSM data on-the-fly and it supports continuous zoom
 levels (I've limited it up to zoom level 18 because of some .NET drawing
 engine problems on higher zooms). There are two drawbacks however: it
 runs on Windows only and the latest released version is getting old. But
 I'm working (hard?) on the v3 version which I hope will be easier to use
 and more powerful. And if I get the time, I'll try to make it Linux (and
 Mac)-friendly.

 I know I would use a Kosmos Mac renderer and maybe alternatively a Linux
version, so I can make local maps on areas I work. A map of the municipal of
Guarapari could help me oganize my efforts of completing the map.

Next step will be to make an openlayer engine that handles a small tile set
for puting Guarapari (with various zoom levels) on my homepage.
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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-22 Thread Simone Cortesi
On Sun, Nov 22, 2009 at 17:38, Aun Johnsen li...@gimnechiske.org wrote:
 Next step will be to make an openlayer engine that handles a small tile set
 for puting Guarapari (with various zoom levels) on my homepage.

this is simple :)

http://wiki.openstreetmap.org/wiki/OpenLayers_Simple_Example

-- 
-S

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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-21 Thread Peter Childs
2009/11/21 John Smith deltafoxtrot...@gmail.com:
 2009/11/21 Peter Childs pchi...@bcs.org:
 If we had an application, that could read osm and render on the fly we
 could have any zoom level we like, including zoom levels between zoom
 levels, (ie vector graphics)

 In theory Potlatch already does some of this, buts it written to enter
 data not render the map, so its not the purpose it was meant for.

 Such an application could do lots of extra stuff such having a
 plugable coordinate system, (so we can have better maps of the poles
 etc)

 Just wish I had time to do something. (Which I don't)

 Someone already did this using javascript...

 However it takes a lot of CPU to render on the fly like that...


But most people have more CPU than they really know what to do with
these days.

Download bandwidth and remote storage is the bigger problem with the
current tile method.


Peter.

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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-21 Thread John Smith
2009/11/21 Peter Childs pchi...@bcs.org:
 But most people have more CPU than they really know what to do with
 these days.

Actually it's going the other way, mobile phones and netbooks are
becoming the most common internet connected devices.

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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-21 Thread Igor Brejc
Richard, thanks for mentioning Kosmos :)
Yes, Kosmos draws OSM data on-the-fly and it supports continuous zoom 
levels (I've limited it up to zoom level 18 because of some .NET drawing 
engine problems on higher zooms). There are two drawbacks however: it 
runs on Windows only and the latest released version is getting old. But 
I'm working (hard?) on the v3 version which I hope will be easier to use 
and more powerful. And if I get the time, I'll try to make it Linux (and 
Mac)-friendly.

Igor

Richard Fairhurst wrote:
 Peter Childs wrote:
   If we had an application, that could read osm and render on the fly
   we could have any zoom level we like, including zoom levels
   between zoom levels, (ie vector graphics)
  
   In theory Potlatch already does some of this, buts it written to enter
   data not render the map, so its not the purpose it was meant for.

 Potlatch 2 will have a fully-fledged rendering engine with stylesheets 
 and everything.

 This bit's already written and you can try it at:
   http://www.geowiki.com/halcyon/

 There's also a similar, JavaScript-driven rendering engine called Cartagen:
   http://www.cartagen.org/

 And if you're on Windows, Kosmos is worth looking at.

 cheers
 Richard

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[OSM-talk] Isn't it time for a higher zoom level?

2009-11-20 Thread Arlindo Pereira
Hi there,

looking at the map renders of Rio de Janeiro's downtown, it looks very
cluttered, specially with Osmarender. I believe this should happen in many
other places. We should not be tagging for the renderer, rather the opposite
- fix bugs on the renderer to make it look exactly like you want. So, I was
wondering: Isn't it time for a higher zoom level?

I understand that that could throw more load on the servers, but maybe we
could have an option to render at highlevels only certain areas, such as
above a certain point density, or something like that. What do you think
about it?

Probably this should be targeted for a more specific list like mapnik-, but
I'd like to hear (er, read) what do you think about this matter.

Cheers,

-- 
Arlindo Saraiva Pereira Jr.

Bacharelando em Sistemas de Informação - UNIRIO - uniriotec.br
Consultor de Software Livre da Uniriotec Consultoria - uniriotec.com

Acadêmico: arlindo.pere...@uniriotec.br
Profissional: arlindo.pere...@uniriotec.com
Geral: cont...@arlindopereira.com
Tel.: +5521 92504072
Jabber/Google Talk: nig...@nighto.net
Skype: nighto_sumomo
Chave pública: BD065DEC
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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-20 Thread Ævar Arnfjörð Bjarmason
On Fri, Nov 20, 2009 at 8:44 PM, Arlindo Pereira nig...@nighto.net wrote:
 I understand that that could throw more load on the servers, but maybe we
 could have an option to render at highlevels only certain areas, such as
 above a certain point density, or something like that. What do you think
 about it?

We don't do pre-rendering so this shouldn't be necessary, but lack of
space/cpu has been cited for not rendering t...@h to zoom 17, the same
is likely to apply for 18 in the main mapnik layer.

I've tried rendering up to zoom 19 (or even 20) locally. It was very
useful for some areas.

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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-20 Thread Roy Wallace
On Sat, Nov 21, 2009 at 6:44 AM, Arlindo Pereira nig...@nighto.net wrote:

 So, I was wondering: Isn't it time for a higher zoom level?

Yeah, that'd be great, of course :)

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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-20 Thread Peter Childs
2009/11/20 Kenneth Gonsalves law...@au-kbc.org:
 On Saturday 21 Nov 2009 4:59:47 am Kenneth Gonsalves wrote:
 On Saturday 21 Nov 2009 2:14:35 am Arlindo Pereira wrote:
  Probably this should be targeted for a more specific list like mapnik-,
  but I'd like to hear (er, read) what do you think about this matter.

 http://xlquest.net


 oops - http://xlquest.net/?zoom=20lat=12.94659lon=80.13845layers=B
 --
 regards
 Kenneth Gonsalves
 Senior Project Officer
 NRC-FOSS
 http://nrcfosshelpline.in/web/

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If we had an application, that could read osm and render on the fly we
could have any zoom level we like, including zoom levels between zoom
levels, (ie vector graphics)

In theory Potlatch already does some of this, buts it written to enter
data not render the map, so its not the purpose it was meant for.

Such an application could do lots of extra stuff such having a
plugable coordinate system, (so we can have better maps of the poles
etc)

Just wish I had time to do something. (Which I don't)

Peter.

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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-20 Thread John Smith
2009/11/21 Peter Childs pchi...@bcs.org:
 If we had an application, that could read osm and render on the fly we
 could have any zoom level we like, including zoom levels between zoom
 levels, (ie vector graphics)

 In theory Potlatch already does some of this, buts it written to enter
 data not render the map, so its not the purpose it was meant for.

 Such an application could do lots of extra stuff such having a
 plugable coordinate system, (so we can have better maps of the poles
 etc)

 Just wish I had time to do something. (Which I don't)

Someone already did this using javascript...

However it takes a lot of CPU to render on the fly like that...

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Re: [OSM-talk] Isn't it time for a higher zoom level?

2009-11-20 Thread Richard Fairhurst
Peter Childs wrote:
  If we had an application, that could read osm and render on the fly
  we could have any zoom level we like, including zoom levels
  between zoom levels, (ie vector graphics)
 
  In theory Potlatch already does some of this, buts it written to enter
  data not render the map, so its not the purpose it was meant for.

Potlatch 2 will have a fully-fledged rendering engine with stylesheets 
and everything.

This bit's already written and you can try it at:
http://www.geowiki.com/halcyon/

There's also a similar, JavaScript-driven rendering engine called Cartagen:
http://www.cartagen.org/

And if you're on Windows, Kosmos is worth looking at.

cheers
Richard

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