[OSM-newbies] OpenMoonMap? / OpenUniverseMap?
Xan
dxpublica at telefonica.net
Sat Nov 21 10:47:42 GMT 2009
En/na Andre-John Mas ha escrit:
> On 20-Nov-2009, at 10:52, Kris Douglas wrote:
>
>
>> 2009/11/20 Xan <dxpublica at telefonica.net>:
>>
>>
>>> @James: if google did it, it's useful. The enterprises don't waste
>>> time.... They want to make money. So that information is useful in some way.
>>>
>>>
>> As a matter of fact, Google did do it for fun. They had an existing
>> system for Google maps, and decided to use free time to throw some
>> basic map data on to the engine. With the google engine, I could do it
>> in 20mins with the data.
>>
>
> Having looked at how things are done, the main challenge would be mostly
> with keeping the bandwidth down, than anything else. The server is
> essentially serving up tiles of varying sizes based on the zoom and the
> front-end is essentially deciding which tiles to fetch based on what is
> currently displayed and in which direction the user is moving the map.
>
> I was able to split one of the higher resolution maps from NASA using
> ImageMagick, which gives the tiles. I then made a basic UI, which I
> never got round to finishing that would fetch the image based on its
> name. For example:
>
> /..../<zoom-level>/image_<x>_<y>.jpg
>
> The code would know about how many tiles high and wide the map was and
> also the size of the tile for the given zoom.
>
> I haven't looked at how OSM draws its maps, but there is a good chance
> it may be doing the same thing.
>
> André-John
>
>
Did you do it really? It's exciting thing.
Anyone could provide the missing information to André-John for
completing the job?
André, if I could, I want to help when you have preliminarly version.
I'm a newbee but, for example I could put the names in craters of moon,
translate names (in spanish and catalan), etc.
Xan.
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