[OSM-dev] Slippy map and zoom

Artem Pavlenko artem.mapnik at googlemail.com
Fri Feb 15 15:31:10 GMT 2008


On 15 Feb 2008, at 15:23, Christopher Schmidt wrote:

> On Fri, Feb 15, 2008 at 03:14:54PM +0000, Artem Pavlenko wrote:
>>
>> On 15 Feb 2008, at 15:04, Christopher Schmidt wrote:
>>
>>> On Fri, Feb 15, 2008 at 02:55:11PM +0000, Tom Hughes wrote:
>>>> In message <20080215145149.GA12082 at alta.metacarta.com>
>>>>        Christopher Schmidt <crschmidt at metacarta.com> wrote:
>>>>
>>>>> On Thu, Feb 14, 2008 at 01:06:32PM +0000, Tom Hughes wrote:
>>>>>
>>>>>>> If this was possible, I guess the browser could also emulate  
>>>>>>> finer
>>>>>>> grades (half-levels) of zooming.  It would make for a less bumpy
>>>>>>> user experience.
>>>>>>
>>>>>> That is also something that the next release of OL is expected to
>>>>>> be able to do I believe.
>>>>>
>>>>> Not for OSM tiles: fractional zoom is only for services that allow
>>>>> arbitrary bbox requests.
>>>>
>>>> I was interpreting that as asking for animated zoom, where you
>>>> have apparent fractional zooms as it zooms in. I might have been
>>>> reading it wrong though.
>>>
>>> Hm, I took it to mean zooming to scales/zoom levels other than
>>> factor-of-two magnitude changes.
>>
>>
>> Animated zoom/pan would be very nice feature to have in OL.
>> See http://www.kosmosnimki.ru for examle
>
> You mean like http://openlayers.org/dev/examples/ 
> animated_panning.html ?
> http://dev.openlayers.org/sandbox/pagameba/transition/examples/ 
> transition.html
> ?

Yes. Is it in svn trunk ? I'd like to try.
>
> I'm not sure how your statement is relevant to the conversation above,
> since animated panning/zooming was already mentioned as something  
> likely
> to be in the next release.

I'm not sure either.  I thought it was relevant ;)
Artem

>
> Regards,
> -- 
> Christopher Schmidt
> MetaCarta





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