[MLB-WIRELESS] Elevation maps on BrisMesh site

[Tom Fifield]

The los between two points doesn't change (natural distasters and 
Japanese golf course makers left out of the equation), but sometimes the 
points move[eg GUR], and of course, new points are added - so if static 
images were created, they would have to be done on the node 
update/creation process, and we already create such images with the 
network and node maps on the LocFinder homepage, so of course we can do 
it. Doing it this way means that the 'cache' always has fresh data and 
does not need to be check on a 'view' page rendering.

Nothing is impossible, but the possible takes some doing :)

Of course, this may all be technicalities -- nothing much has actually 
been done yet!

However, if we were to make an at-a-glance LoS profile, how many nodes 
would you like in the list ... is 50 by default on the node pages 
excessive -- ramping up to 500 when the option is clicked --, or would 
putting the 'thumbnails' in /users/closest work better? Do you want to 
be able to specify the number and status and suburb and score of nodes?

The other obvious thing to point out is that a larger diagram would live 
at /maps/compare

Tom



Fenn Bailey wrote:

> Michael's right on the ball with this -
> There's no reason why a form of image caching couldn't be used. Images
> should be generated and linked against a hash of unique identifying
> parameters (ie: the node names/locations) and cached. The cache is 
> checked
> prior to serving images so slow generation only happens if necessary.
>
> Ideally, this principle should be combined with an aging/freshness 
> mechanism
> for pretty much all map image generation.
>
>     Fenn.
>
>  
>
>> -----Original Message-----
>> From: owner-melbwireless at wireless.org.au 
>> [mailto:owner-melbwireless at wireless.org.au] On Behalf Of Michael 
>> Borthwick
>> Sent: Wednesday, 12 January 2005 12:37 PM
>> To: Melbourne Wireless
>> Subject: Re: [MLB-WIRELESS] Elevation maps on BrisMesh site
>>
>>
>> On 12/01/2005, at 11:14 AM, Tom Fifield wrote:
>>
>>   
>>
>>> It's been on the cards for some time. See 
>>> http://www.melbournewireless.org.au/wiki/?LocFinderCrossSections .
>>>
>>> With regards to the thumbnails, please note that we have 50     
>>
>> nodes by   
>>
>>> default in the list compared to their 10. In my opinion, as these 
>>> images are actually generated dynamically, in addition to the sheer 
>>> number of images, node page load times would become a little silly.
>>>
>>>     
>>
>> Could they be generated statically as a background process on the 
>> server or elsewhere.
>> The LOS between two nodes should never change.
>>
>>
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>
>
>
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>  
>



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