Yes, we simply map what we can identify as leisure=common. And has Mark said, 
it will help if we trace the buildings close to the field.  Such data will be 
analyzed later by specialists. Our role is to provide them options that they 
will examine.
 Pierre 

      De : john whelan <[email protected]>
 À : Pierre Béland <[email protected]> 
Cc : "[email protected]" <[email protected]> 
 Envoyé le : Jeudi 19 février 2015 9h16
 Objet : Re: [HOT] leisure=common (Helipad)
   
So the advice back to the mapper?

My opinion would be if its readily identifiable as landuse=common then map it, 
but refrain from arbitrarily adding a circle tagged landuse=common close to 
each small village perhaps? 

Personally when I'm mapping if something like this stands out then it gets 
mapped but its quite rare that I spot one.

Thanks

Cheerio John



On 19 February 2015 at 08:59, Pierre Béland <[email protected]> wrote:

Hi John,
Our role is to grab information, facilitate the logistic of the humanitarian 
organizations. 

But we are not specialists. Once we have identified the common leisures, the 
GIS specialists from the international organizations can easily extract this 
info and examine further.
 Pierre 

      De : john whelan <[email protected]>
 À : "[email protected]" <[email protected]> 
 Envoyé le : Jeudi 19 février 2015 6h31
 Objet : [HOT] leisure=common (Helipad)
   
Project 892 task 23 is an example.  The following question got sent to me 
probably because I've been validating merrily away.

>What is the minimum diameter for a Helipad (leisure=common)?

Based on my own experience of visiting a remote Scottish Island the local 
football pitch, being smooth, level and firm enough was the designated 
helicopter landing place.

I'm not sure that you can tell enough from satellite imagery that a certain bit 
of ground is smooth, level and firm enough to take the weight of a helicopter.  
However we seem to have a fair number of circular leisure=common areas tagged 
near fairly small villages.

So can we flesh out a bit more of the requirements please and better identify 
what we should be looking for and mapping.

Thanks John

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