[mkgmap-dev] avg speed on roads

Sat Jun 5 07:35:52 BST 2010

thanks for clearing things up.

On Thu, Jun 3, 2010 at 5:57 AM, Felix Hartmann
<extremecarver at googlemail.com> wrote:
>
>
> On 02.06.2010 23:53, Carlos Dávila wrote:
>> El 02/06/10 23:26, Felix Hartmann escribió:
>>>
>>> On 02.06.2010 03:41, maning sambale wrote:
>>>> How much time penalty is added when the traffic_signal style below
>>>> is added:
>>>>
>>>> 2010/4/24 Florian Lohoff<f at zz.de>:
>>>>
>>>>>> certainly improve the arrival time estimation:
>>>>>> highway=traffic_signals { add mkgmap:road-speed = '-2'; add
>>>>>> mkgmap:road-speed-min = '1'
>>>>>>
>>>>
>>>>
>>> There is no time penalty. You simply decrease the speed/priority of the
>>> next adjoining streets that touch the POI.
>> That's right, of course, but at last speed decrease becomes an
>> increase in estimated arrival time.
> Well it's a big difference. Imagine a very long street as one piece,
> only split by one traffic light. Here the mechanism will completely
> fail. On the other hand, it could also only change for a few meters,
> again fail. In general it works well though. Unluckily Garmin hasn't
> foreseen time penalties based on POI. (there exist realt time penalties,
> but only for turning WHEN changing the street...).
>
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>

-- 
cheers,
maning
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