[talk-ph] Fwd: [OSM-talk] keepright! goes global

Tue Jul 21 07:02:56 BST 2009

well like all things OSM...use where it applies :)

On Tue, Jul 21, 2009 at 1:52 PM, maning
sambale<emmanuel.sambale at gmail.com> wrote:
> Especially ferry routes.  At least in garmin, you need to connect a
> road to the ferry route to be able to use the device for inter-island
> navigation.  I don't think this is truly correct.  If there is really
> no road between the pier and the pier parking, why should we link
> them?
>
> Just a thought.
>
> I agree with Eugene, keepright is not yet optimized for an archipelago
> like ours.  But given more feedback, it will get better.
>
> On 7/21/09, George Tujan <gtujan at gmail.com> wrote:
>> @marloue: we'll just have to recheck the roads, maning is probably
>> right we might have missed something out.
>>
>> On Tue, Jul 21, 2009 at 1:36 PM, maning
>> sambale<emmanuel.sambale at gmail.com> wrote:
>>> The plane route shoud connect to a road, that's how I understand it.
>>> Same with ferry routes
>>>
>>> On 7/21/09, Marloue Pidor <murlwe at mail2engineer.com> wrote:
>>>> Ohh, but I added a flight route from Davao to Manila. Check the data,
>>>> its there but I don't know why it did not appear. So, Technically Davao
>>>> is connected to Manila by plane. I will try to add ferry route to
>>>> Manila. Its a very long route.
>>>>
>>>>
>>>> murlwe
>>>>
>>>> <-----Original Message----->
>>>>>From: Eugene Alvin Villar [seav80 at gmail.com]
>>>>>Sent: 7/21/2009 12:10:35 PM
>>>>>To: totor_osm at yahoo.com
>>>>>Cc: talk-ph at openstreetmap.org
>>>>>Subject: Re: [talk-ph] Fwd: [OSM-talk] keepright! goes global
>>>>>
>>>>>Hi guys,
>>>>>
>>>>>I asked the tool's maintainer how the floating island error is
>>>> determined.
>>>>>Here's his answer:
>>>>>http://lists.openstreetmap.org/pipermail/talk/2009-July/038800.html
>>>>>
>>>>>I've reprinted it here below for convenience:
>>>>>
>>>>>
>>>>>The motto of this check is "you can go everywhere from everywhere".
>>>>>
>>>>>There is a set of starting points (highways in the center of big cities
>>>> that are
>>>>>well connected to many other streets) I picked randomly. The check
>>>> finds ways
>>>>>that are connected to these ways and thus finds a (bigger) set of ways.
>>>> This
>>>>>procedure is repeated until no more ways are found. Any way that was
>>>> not found
>>>>>is a floating island.
>>>>>
>>>>>There are 30 starting points all over the world, one of them in Manila.
>>>>>
>>>>>Please note that the check will follow any highway and ferries are
>>>> included, so
>>>>>it _should_ find islands as long as there's a ferry connected to a
>>>> highway on
>>>>>the island.
>>>>>
>>>>>So it seems that everything not connected to the main streets of Metro
>>>> Manila is
>>>>>considered as a "floating island". Mindoro is covered since there is a
>>>> ferry
>>>>>route from Batangas to Puerto Galera. I think if we can at least sketch
>>>> out the
>>>>>Ro-Ro routes, we can cover most of the major island. I will also
>>>> suggest adding
>>>>>Cebu and Davao cities as seeds to minimize problems.
>>>>>
>>>>>However, this will not cover all the islands (there are about 2,000
>>>> inhabited
>>>>>islands out of 7,100+ and not all of them have regular ferry routes
>>>> [like
>>>>>Batanes (?) which is served by flights]) so this means that we cannot
>>>> rely on
>>>>>keep right to point out all floating island errors. I think a
>>>> customized QA tool
>>>>>for the Philippines would be needed.
>>>>>
>>>>>I hope this helps! In the meantime, just uncheck this error and ignore
>>>> it until
>>>>>we can have a backbone connection for the Philippines and more seeds.
>>>>>
>>>>>
>>>>>Eugene / seav
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>On Mon, Jul 20, 2009 at 11:13 PM, Totor Osm <totor_osm at yahoo.com>
>>>> wrote:
>>>>>
>>>>>
>>>>>I saw some blue arrows indicating 2 roads are close, but not
>>>> conneected. In Cebu
>>>>>this is the case near Car-Car in the south, and also in the north of
>>>> Cebu
>>>>>Island. Maybe this could be the reason for the "island" warning on
>>>> other
>>>>>intersections (Not connected to the world, because of these gaps)?
>>>>>
>>>>>I'll try to connect them tomorrow.
>>>>>
>>>>>
>>>>>--- On Mon, 7/20/09, Eugene Alvin Villar <seav80 at gmail.com> wrote:
>>>>>
>>>>>> From: Eugene Alvin Villar <seav80 at gmail.com>
>>>>>
>>>>>> Subject: Re: [talk-ph] Fwd: [OSM-talk] keepright! goes global
>>>>>> To: "Totor Osm" <totor_osm at yahoo.com>
>>>>>> Cc: "Openstreetmap.ph.mailing.list" <talk-ph at openstreetmap.org>
>>>>>> Date: Monday, July 20, 2009, 2:53 PM
>>>>>
>>>>>> Ack!
>>>>>>
>>>>>> I've done a quick look around and it seems that the
>>>>>> general Luzon road network is the only one not riddled with
>>>>>> these errors!
>>>>>>
>>>>>>
>>>>>> On Mon, Jul 20, 2009 at 10:51 PM,
>>>>>> Eugene Alvin Villar <seav80 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>> Hi Totor,
>>>>>>
>>>>>> George also replied asking what these floating island
>>>>>> errors mean.
>>>>>>
>>>>>> As far as I understand it, it means that there is a small
>>>>>> network of navigable ways that is not connected to the rest
>>>>>> of the network. It does detect "islands" in Metro
>>>>>> Manila but I'm quite surprised to find that it seems to
>>>>>> think that the Cebu road network is one big error! Maybe a
>>>>>> few ferry routes would fix it?
>>>>>>
>>>>>>
>>>>>>
>>>>>> I'll ask the creator of keep right. I don't think
>>>>>> he anticipated archipelagos. Hehehe.
>>>>>>
>>>>>> Eugene / seav
>>>>>>
>>>>>>
>>>>>> On Mon, Jul 20, 2009 at 10:43 PM,
>>>>>> Totor Osm <totor_osm at yahoo.com>
>>>>>> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Great,
>>>>>>
>>>>>>
>>>>>>
>>>>>> but,ehr, could it be that Cebu is just one big floating
>>>>>> island ???
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>http://keepright.ipax.at/report_map.php?db=osm_XD&zoom=14&lat=10.35578&
>>>> lon=123.92528&layers=B0T&ch30=1&ch40=1&ch50=1&ch60=1&ch70=1&ch90=1&ch100
>>>> =1&ch110=1&ch120=1&ch130=1&ch150=1&ch160=1&ch170=1&ch180=1&ch191=1&ch192
>>>> =1&ch193=1&ch194=1&ch201=1&ch202=1&ch203=1&ch204=1&ch210=1&ch220=1&show_
>>>> ign=1&show_tmpign=1
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Whats wrong with the orange arrows? The nodes of the
>>>>>> intersections look ok to me...
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --- On Sun, 7/19/09, Eugene Alvin Villar <seav80 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> > From: Eugene Alvin Villar <seav80 at gmail.com>
>>>>>>
>>>>>> > Subject: [talk-ph] Fwd: [OSM-talk] keepright! goes
>>>>>> global
>>>>>>
>>>>>> > To: "OSM" <talk-ph at openstreetmap.org>
>>>>>>
>>>>>> > Date: Sunday, July 19, 2009, 4:21 PM
>>>>>>
>>>>>> > Hi guys,
>>>>>>
>>>>>> >
>>>>>>
>>>>>> > The keepright! QA tool for OSM just went almost
>>>>>> global.
>>>>>>
>>>>>> > Previously this tool was only enabled for Europe. This
>>>>>> tool
>>>>>>
>>>>>> > highlights spatial errors (such as overlapping
>>>>>> unconnected
>>>>>>
>>>>>> > ways that have no layer tags to separate them), and
>>>>>> tagging
>>>>>>
>>>>>> > errors (such as POIs without a name tag).
>>>>>>
>>>>>> >
>>>>>>
>>>>>> >
>>>>>>
>>>>>> > Here's a URL centered at the Makati CBD:
>>>>>>
>>>>>> >
>>>>>>
>>>>>> >
>>>>>http://keepright.ipax.at/report_map.php?db=osm_XD&zoom=15&lat=14.55284&
>>>> lon=121.02068&layers=B0T&ch30=1&ch40=1&ch50=1&ch60=1&ch70=1&ch90=1&ch100
>>>> =1&ch110=1&ch120=1&ch130=1&ch150=1&ch160=1&ch170=1&ch180=1&ch191=1&ch192
>>>> =
>>>>>
>>>>>=== message truncated ===
>>>>
>>>>
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>>>
>>>
>>> --
>>> cheers,
>>> maning
>>> ------------------------------------------------------
>>> "Freedom is still the most radical idea of all" -N.Branden
>>> wiki: http://esambale.wikispaces.com/
>>> blog: http://epsg4253.wordpress.com/
>>> ------------------------------------------------------
>>>
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>>>
>>
>
>
> --
> cheers,
> maning
> ------------------------------------------------------
> "Freedom is still the most radical idea of all" -N.Branden
> wiki: http://esambale.wikispaces.com/
> blog: http://epsg4253.wordpress.com/
> ------------------------------------------------------
>