Re: [talk-ph] how to tag demolished structures

[Jim Morgan]

maning sambale wrote, On Tuesday, 23 March, 2010 06:34 PM:
> Found this tag:
> http://wiki.openstreetmap.org/wiki/Key:Demolished

I've used landuse=construction in cases like this. Its a pretty safe bet that 
if a building has been demolished its going to be built on in the near future. 

Jim


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Re: [talk-ph] Better solution than MapOSMatic for Printing Maps

[Jim Morgan]

Is the Export function from OSM not big enough? You can select an area and then 
manually increase the resolution until it complains 

Jim

Andre Marcelo-Tanner wrote, On Friday, 26 March, 2010 11:35 AM:
> What can I use out there to print large hand maps? I tried Maposmatic 
> but it seems to be good only for a certain zoom and anything zoomed in 
> too much becomes like this:
> http://maposmatic.org/rendered//012132_2010-03-25_20-11_BonifacioHighStreetandSerendra.png
> http://maposmatic.org/rendered//012176_2010-03-26_04-17_TheFortTaguig.png
> 
> Any suggestions ? :)
> 
> Should I just piece together tiles?
> 
> Thanks,
> Andre
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Re: [talk-ph] Better solution than MapOSMatic for Printing Maps

[Jim Morgan]

Jim Morgan wrote, On Friday, 26 March, 2010 01:55 PM:
> Is the Export function from OSM not big enough? You can select an area and 
> then manually increase the resolution until it complains 

eg: 
http://tile.openstreetmap.org/cgi-bin/export?bbox=121.04277,14.54431,121.05921,14.55623&scale=2850&format=png

Jim

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Re: [talk-ph] RFC: Planned Arivac Bohol Data Import

[Jim Morgan]

maning sambale wrote, On Saturday, 27 March, 2010 11:42 AM:
> For comments:
> http://wiki.openstreetmap.org/wiki/WikiProject_Philippines/Data_import_Arivac_Bohol

Sounds good. I'd be glad to help out. As the amount of data currently in the 
area is negligable, and the amount to be imported is huge, maybe the best plan 
would be to keep a copy of what's there, and then just replace it wholesale. 

Then a few of us could assign ourselves areas, and manually re-add the old tags 
to the new data. 

Then we could recruit the help of locals to tag the road names and types, and 
any other features. This is a lot easier when the roads are already in place. 

But then again, I haven't really been involved in a mass-import before, so 
there's probably a few problems with that idea. If so, I'd go for the 
pre-processing idea. 

Jim


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Re: [talk-ph] Node position for towns

[Jim Morgan]

Ed Garcia wrote, On Tuesday, 06 April, 2010 10:05 PM:
> Glad you agree guys!  Surprised to see so many +1s in barely an hour
> from posting.  Okay then, I'll start with San Antonio in Zambales.  That
> town node is currently so far away from town proper ... it is currently
> located on the mountains.

Seems like a lot of these town / village / city markers are way off the mark to 
begin with. I guess they were imported en masse from an imprecise source. They 
usually seem to be 1 or 2 km off the mark. Usually when I find them, I'll drag 
them closer to a known settlement -- sort of plonk it in the middle of the most 
obvious mass of houses on a satellite view, or near the most obvious confluence 
of roads. Then when someone with more local knowledge finds it, they drag it 
closer to the City Hall ... and when the City Hall is actually on the map, then 
it's truly accurate. 

This process of gradually getting more and more precise seems to be what OSM is 
all about really. 

Jim

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Re: [talk-ph] Node position for towns

[Jim Morgan]

And just thinking a bit further ... maybe we're stressing out too much about 
this ... 

Village and town names are only really useful when you're using a wide zoom 
level, say level 12. You're zoomed out and you need to locate an area, town, 
city etc. As  you zoom in, the town name disappears, and so the exact location 
of the civic centre doesn't really matter so much. 

I reckon as long as its within a couple of hundred metres of the right spot, 
its probably OK. I certainly don't think its worth spending time and effort 
going over the entire map re-aligning nodes which may or may not be in the 
right place. The ones which are way off, sure, those are worth spending time 
on. 

Jim


Eugene Alvin Villar wrote, On Tuesday, 06 April, 2010 11:59 PM:
> I suggest to place the node in the town/city proper, which is not the
> geographical center and not always where the city or town hall is. The
> city/town proper is basically where the town plaza or poblacion area is.
> Usually, it's where the church or public market is.
> 

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Re: [talk-ph] road conversion from primary to trunk

[Jim Morgan]

Eugene Alvin Villar wrote, On Sunday, 11 April, 2010 09:55 PM:
> That said, I was actually thinking of upgrading Espana-Quezon Avenue to
> trunk. :-)
> 
> What do other people think?

My 2 centavos: Trunk roads are inter-city / town. Its also to do with the way 
people enter/exit the road. So ... NLEX should be a trunk: EDSA should be a 
primary road. 

Jim

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Re: [talk-ph] sanity check for maintaining GPS tracks

[Jim Morgan]

Totor wrote, On Tuesday, 13 April, 2010 08:23 PM:
> This is the script I use ($1 is input file, $2 is output file):
> gpsbabel -i nmea -f $1 -x discard,hdop=2,vdop=3,sat=4 -x position,distance=1m 
> -x transform,wpt=trk,del -x polygon,exclude,file=area.loc -x 
> transform,trk=wpt,del -o gpx -F $2

This is brilliant. Thanks for sharing. I had no idea gpsbabel could do that! 

Jim


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Re: [talk-ph] sanity check for maintaining GPS tracks

[Jim Morgan]

On a slightly related note ... I just went to the gpsbabel home page and looked 
at the features on the new beta release. Apparently it now supports the Locosys 
GT-31 ( the GPStoGo model), which it didn't when I used it last May. 

Just thought I'd pass that on. 

Jim

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Re: [talk-ph] SOTM 2010 scholarships

[Jim Morgan]

Marloue Pidor wrote, On Wednesday, 21 April, 2010 12:32 AM:
> Yes Eugene, my nomination is the same. You and Maning.

Absolutely ... seconded. Thirded?

Jim

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Re: [talk-ph] to share or not to share nodes?

[Jim Morgan]

maning sambale wrote, On Tuesday, 27 April, 2010 05:33 PM:
> However, in many cases it is good editing practice to minimize node
> sharing.  

> 4. Natural and landuse ways can share nodes.  For example,
> natural=water (for lakes) can share nodes with landuse=farm.

I'm never quite sure how I should be doing beaches [being a bit of an 
accidental island specialist .. :-)]

It seems fairly logical to join the seaward edge of the beach to the coastline. 
Is that OK? Does it play well with the 'shapefiles' whatever they might be ...

On the other hand I have some misgivings about it, because its a hassle to 
un-glue the beach edge and the coastline when you need to edit/move the beach. 

Hmmm. 

Jim

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Re: [talk-ph] GPS-Trusting Tourists Rescued From Australian Forest

[Jim Morgan]

Carlos Tirona wrote, On Tuesday, 11 May, 2010 03:52 PM:
> Three South Korean tourists whose trust in their Ford Falcon’s GPS got
> them stuck in a gully in southeast Queensland’s Cordalba State Forest,
> near Childers.

:-) Shortest Distance routing perhaps? I'm sure there must be a 'Pick another 
route' button. 

Jim

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Re: [talk-ph] wikiloc tracks

[Jim Morgan]

There's also Everytrail.com, where we got written permission to use the traces. 
There's only one for Bacolod though. 

http://www.everytrail.com/view_trip.php?trip_id=385787

Jim

maning sambale wrote, On Friday, 14 May, 2010 11:32 AM:
> One bacolod mapper gave me a tip of this useful site.
> 
> wikiloc.com
> 
> It has several traces we can possibly use.
> http://wikiloc.com/wikiloc/map.do#lt=11.695273&ln=122.102051&z=11&k=1&tab=0
> 
> This is one the source of tracks some mappers of Bacolod are using.
> If you can ask individual permission to the user with Philippine
> tracks we can use them in OSM.


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Re: [talk-ph] Corregidor Mapping Party

[Jim Morgan]

Interesting. I didn't know you could stay on the island. In that case I'll 
probably go over there and map it myself one of these weekends. I don't mind 
paying for a night myself. 

Maybe I'll see if I can take a mountain bike over there. Or perhaps one of the 
hostels has one. In which case I could do it all in a day.

Jim

Andre Marcelo-Tanner wrote, On Thursday, 20 May, 2010 02:34 AM:
> Maybe for future planning this, we could solicit donations from inns on 
> the island or from Sun Cruises. I think this is the list of places:
> (1) Corregidor Inn - by far the best accomodation but the most expensive.
> (2) MacArthur's Cafe - near the Lorcha dock on the north side of 
> Bottomside. (Bottomside is the area where you landed on the island). 
> They have a few cottage style rooms, basic accommodation.
> (3) Corregidor Cove Cafe - they have a few cottages on the ocean front 
> on the south side of Bottomside. Again basic accommodation.
> (4) Sea Calm Inn - located up the hill between Bottomside and 
> Middleside. Also known as the 'hostel'. The sign there says P650night. 
> (09189442884 or 09185241503)
> 
> Maybe offer them to map the place for free, just free stay or stipend, 
> and we can show them how to print a new and updated map or how they can 
> get the map image and add their own graphics to it to make their own 
> 'Tourist' Map of the Island that they can sell or make use of
> 
> Free mapping, what better value than free mapping? :)
> 
> Andre
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[talk-ph] Google MyTracks application

[Jim Morgan]

Google just open-sourced their MyTracks application. Works on Android-based 
devices, and will save to GPX.

http://mytracks.appspot.com/features

My Tracks Features
While recording tracks, you can:

   1. See location / progress on a map
   2. Monitor real-time statistics: time, distance, speed, elevation
 1. View elevation profile by time or distance
 2. Zoom, pan elevation profile
   3. Create waypoints
   4. Create statistics waypoints (splits tracks into subtracks)

To share tracks, you can:

   1. Upload to Google Map (example)
   2. Upload to Google Docs (example)
   3. Email as a Google My Map link
   4. Embed Google Map on a website
   5. Email as .gpx or .kml attachments
   6. Export as .gpx or .kml to phone SD card 
   7. Tweet your My Map link on Twitter using Twidroid 


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Re: [talk-ph] Car navigation using Garmin with OSM

[Jim Morgan]

maning sambale wrote, On Monday, 07 June, 2010 01:39 PM:
> I have been reviewing estimated time of arrival (ETA) for garmin gps
> routing.  I noticed that as Sehested reported, the speed calculation
> is over-optimistic.  Due to the absence of complete maxspeed data in
> PH streets, 

I think the reason they don't have maximum speed data is because there's no way 
anyone will ever reach it! I read somewhere that the average traffic speed in 
Makati is 12 km/h. Which means you might as well tag them all with Type 0. 

Suggesting a new slogan for Makati; "Normal rules don't apply"

Jim

PS. OK yes, I know that the max speed data is used to calculate the fastest 
possible time. Just having a bit of fun here. 

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Re: [talk-ph] cost of GPS data loggers

[Jim Morgan]

maning sambale wrote, On Thursday, 10 June, 2010 10:41 AM:
> Any idea of the cost of GPS data loggers in the Philippines?  I'm
> looking for the very basic small sized high sensitivity logger with
> bluetooth connection you can interface with a smart phone or a laptop.

I've recommended this Hong Kong site before, and will do so again  Data 
loggers start at about 500 HKD, but I got a non-logging GPS (which I hook up to 
my phone / laptop via bluetooth) for about 275 HKD. Still going strong. 

http://www.expansys.com.hk/gps

So if you know someone visiting HK, its worth a go. 

Do you actually need the logging? If you're hooking it up to a phone/laptop 
then maybe you just need the receiver, and can let the other device handle the 
logging?

You're welcome to borrow mine for a test drive if you want. 

Jim 


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[talk-ph] Farmville

[Jim Morgan]

I was just thinking ... if only we could get all the people wasting time on 
Farmville to direct their efforts towards OSM, we'd have an awesome map in 
minutes. 

Just dreaming ... Have a good weekend all. 

Jim

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Re: [talk-ph] cost of GPS data loggers

[Jim Morgan]

Andre Marcelo-Tanner wrote, On Thursday, 10 June, 2010 11:59 PM:
> Whats the cheapest device with the most accuracy? Do you really have to 
> get a Garmin or are there cheaper devices that just log?

Ones using the SIRFstar III chipset seem to get good reviews
http://en.wikipedia.org/wiki/SiRFstar_III
http://www.gpspassion.com/fr/articles.asp?id=143

Yes there are ones which just log. You use your phone / computer as the screen. 
Or download once you're finished.

There are also ones which just receive. You use your phone / computer for 
logging and as the screen. 

Jim

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[talk-ph] Skobbler. OSM for iPhone

[Jim Morgan]

> The skobbler navigation application for iPhone is now available in the UK and 
> Ireland. Skobbler uses data from the OpenStreetMap  Project (OSM) to display 
> maps and directions on a user's device and supports the iPhone 3G and 3GS – 
> it's likely the iPhone 4 will also be supported when it's released in the UK 
> on the 24th of this month.
> 
> The navigation app, specifically aimed at mobile phones, features voice 
> assisted turn-by-turn driving directions and support for pedestrian 
> navigation with path visualisation. Users can choose from a top-down two 
> dimensional (2D) map or a birds eye view, which the company considers 2.5D. 
> Additionally, users can also submit bug reports for OSM maps from within 
> skobbler and control iPod playback without leaving the app. When away from 
> base, users can simply use the "take-me-home" option to have the program 
> automatically calculate a route home from their current location.



A similar mapping application for the iPhone is oMaps, which The H used to 
navigate around Paris at last year's Open World Forum. It too uses mapping data 
from the OpenStreetMap Project, but does not provide voice assisted 
turn-by-turn navigation. However, oMaps is able to download the OSM “tiles” 
which make up the map and store them.

More info:
http://www.h-online.com/open/news/item/Skobbler-brings-open-source-maps-to-UK-iPhones-1022113.html



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Re: [talk-ph] Fwd: problem with naming Baguio streets created from quickbird

[Jim Morgan]

maning sambale wrote, On Monday, 21 June, 2010 01:28 PM:
> Eugene showed a technique to mark a tile "dirty" to trigger
> re-rendering last manda-ortigas party.  Can't remember how.
> Anyone on the list can probably help.

First you find out the URL of the tile: In Firefox I just right-click on the 
tile I'm interested in and select View Image. 

That gives you a URL like this
http://a.tile.openstreetmap.org/14/13699/7522.png

To mark it as dirty, just add /dirty on the end of the URL in the address bar, 
and hit return:

http://a.tile.openstreetmap.org/14/13699/7522.png/dirty

You get the message "Tile submitted for rendering", and it will go away and 
re-render the tile. 

It might take a few minutes, but usually this works pretty quickly

Jim

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Re: [talk-ph] Download tracks from Garmin

[Jim Morgan]

Bart Bartolome wrote, On Monday, 21 June, 2010 04:45 PM:
> Can you guys help me with how to get the tracks out of the garmin mobile 
> xt?  Googling didn't help me. ;)

My immediate thought would be GPSbabel ... http://www.gpsbabel.org/

Have you tried this already? It seems to handle most Garmin formats, and I 
imagine the serial/USB protocol would be the same for all models 

So you might do something like this for Windows
gpsbabel -t -i garmin -f com1 -o gpx -F output.gpx

Or in linux:
gpsbabel -t -i garmin -f /dev/ttyS0 -o gpx -F output.gpx

You might have to try a few different formats (ie, change the bit after -i) and 
you'd have to know the port the unit is connected to ( com1 or /dev/ttyS0 )
 
Jim

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Re: [talk-ph] Easy way to generate map with waypoint

[Jim Morgan]

Openlayers? 
http://openlayers.org/dev/examples/

The GeoRSS Marker example maybe? 

Jim

Andre Marcelo-Tanner wrote, On Thursday, 24 June, 2010 08:53 AM:
> Is there an easy way to link to OSM.org with a waypoint on it? I know 
> you can do the MLat + MLon in the query string for 1 marker, how about 
> the arrow icon that OSM.org uses for Search Results?
> Or is there a website which lets you position a marker on the OSM map 
> and then gives you a url to that map?
> 
> Thanks,
> 
> Andre
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Re: [talk-ph] better ways to coordinate coastline mapping?

[Jim Morgan]

Eugene Alvin Villar wrote, On Tuesday, 06 July, 2010 11:57 AM:
> To clarify things, the sawtooth detection script is quite naive. It
> simply detects if there are at three or more series of nodes where each
> pair of adjacent nodes have the same latitude or longitude. This will
> also detect any three linear nodes that all have the same latitude or
> longitude like this: ooo  

There are a number of cases where a near-straight line is acceptable. Maybe it 
would be better -- and I'm not sure if this is possible -- to examine, say, a 
series of three nodes. It would check if the first two have the same lat or 
long. If they have the same lat, then the second and third points would need 
the same long; if they have the same long, then the second and third points 
would need the same lat. Then you'd be correctly identifying the step-fashion 
jaggies, rather than straight lines. 


To increase certainty, you could make this a series of four, or five points. 
Again I don't know if this is possible or plausible, but it would seem like a 
better pattern to look for. Not sure if the formatting will come through but 



 p1 |_ p2
  |
  |
   p3 |__  p4
 |


Jim

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[talk-ph] TomTom new marketing strategy.

[Jim Morgan]

I'm not quite sure if this is cool, or very very sad  

http://starwars.tomtom.com/voices/index-starwars.php?Lid=4&voice=darthvader

The video of Darth Vader in the recording studio is quite funny though ...

Jim

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Re: [talk-ph] better ways to coordinate coastline mapping?

[Jim Morgan]

maning sambale wrote, On Wednesday, 14 July, 2010 04:02 PM:
> Note that some have a 99% status already, but, it is good for other
> eyeballs to have a look and comment on the actual %age and status.

I was surprised to see Palawan as 99% complete, so I whizzed over there for a 
quick look. I'd have to guess its no more than 30% complete in fact. Quite a 
long way to go ... but I guess no good satellite pics to trace from. 

Jim

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Re: [talk-ph] better ways to coordinate coastline mapping?

[Jim Morgan]

maning sambale wrote, On Thursday, 15 July, 2010 12:01 PM:
> What I mean here is the mainland of Palawan.  But yes the smaller
> islands needs more work.

Hmmm, now I'm beginning to think I didn't understand. I thought you were saying 
that the coastline of Palawan (yes, the main island) was 99% free of jagged 
coastlines. But when I look at it I can see about 30% unjagged, and 70% jagged. 
eg



Am I looking at the wrong thing here? Do you have a different view with all the 
jaggies removed? Ah ... or maybe I'm looking at the OSM rendered map, which 
hasn't been updated. Is that it? In which case, sorry to be dumb. 

Jim

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Re: [talk-ph] better ways to coordinate coastline mapping?

[Jim Morgan]

Eugene Alvin Villar wrote, On Thursday, 15 July, 2010 10:06 PM:
>  to generate
> closed shapefiles that Mapnik can use. This tool is only run
> infrequently and that is why coastlines do not update often in Mapnik.

I see what you mean 

"Last update of coastline errors: Wed Apr 14 13:19:17 UTC 2010
Using data available at: 100414
If this is really old it's almost certaintly due to missing daily diffs 
at
http://planet.openstreetmap.org/daily/
In which case you have to wait till after the next weekly dump..."

I guess something went wrong then ... three months is a long time on OSM

Jim


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[talk-ph] Groundtruth.

[Jim Morgan]

Just found this tool for making Garmin images from OSM data 

GroundTruth v1.0.0.0 by Igor Brejc
Generates Garmin maps from OpenStreetMap data
Visit http://wiki.openstreetmap.org/wiki/GroundTruth for more info

Also a helpful step-by-step guide. 

http://wiki.openstreetmap.org/wiki/GroundTruth_For_Dummies

I don't have a Garmin. But I thought it might be useful. Looks quite 
customisable as well. You can make eg a hiking map using a different set of 
rules. 

groundtruth makemap 
-rules="http://wiki.openstreetmap.org/wiki/GroundTruth_Hiking_Map";

Jim

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[talk-ph] Bing Maps Cab Fare Calculator

[Jim Morgan]

Nice idea. 




Jim

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[talk-ph] HTC Wildfire

[Jim Morgan]

I'm liking this ... 
http://www.expansys.com.hk/d.aspx?i=202095

GPS, and wifi, and under half the price of the other Android smartphones out 
there ...

Haven't managed to find any mentions of people running OSM app on it yet though 
...

Jim
 
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[talk-ph] Yes, but I've got a GPS

[Jim Morgan]

A mapping-focused strip from the always entertaining XKCD. 

http://xkcd.com/783/

Jim



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[talk-ph] Bacolod.

[Jim Morgan]

Hey, someone's been busy in Bacolod. Good job! 

http://www.openstreetmap.org/?lat=10.666&lon=122.9535&zoom=14&layers=M

Maybe this has been there for a while, but I only just noticed it ...

Jim

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Re: [talk-ph] Bacolod.

[Jim Morgan]

That's a shame. Maybe we should lend them a GPS2go unit?

Jim

Axel Kollmorgen wrote, On Thursday, 09 September, 2010 01:16 AM:
> i'm afraid most of the bacolod edits are still illegit. i did a short
> analysis (of
> http://www.openstreetmap.org/?lat=10.676&lon=122.952&zoom=12) in josm:

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Re: [talk-ph] Flight paths in OSM

[Jim Morgan]

Rally de Leon wrote, On Monday, 11 October, 2010 08:41 AM:
> While zoomed in very close, I have mistaken the said flight path for
> border or power line lots of times, 

I concur. I don't see any benefit in having flight paths beyond the end of the 
runway. And in fact I've also found them confusing in some instances. 

> The ferry routes on the other hand, provides good visual guides of which
> ports/ferry terminals are connected, and actually used for vehicle
> routing (eg. roro users). 

Aren't they actually _required_? If we don't have the ferry routes, then all 
the islands in the Philippines aren't connected by any ways, therefore routing 
doesn't work. So we actually need them. Seem to remember a previous thread 
about this.

Jim

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[talk-ph] Google Maps causes Invasion

[Jim Morgan]

Well not really, but it helped 



Jim

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Re: [talk-ph] Fwd: [OSM-talk] license change map

[Jim Morgan]

maning sambale wrote, On Friday, 12 November, 2010 02:27 PM:
> It seems that the Philippine data is not yet odbl ready (too few green
> ways).  I have my own preference on the license change (won't push it
> to anyone).  Having said that, please check your own settings in the
> openstreetmap.org and decide on the license and contributor terms.

Aha ... I knew there was a new license, but I didn't realise I had to log in 
and accept the license. They don't really make it too clear. For those of you 
who also haven't figured it out, from your home page its in the Settings 
section. 

They should really pop up a reminder when you login ...

Jim



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[talk-ph] ShenIT GPS phones.

[Jim Morgan]

I haven't used these at all, and have no idea of the quality, but it seems that 
you can get a GPS phone for around USD 100 now. 

http://www.shenit.com/cell-phone/gps-phones.html

Jim

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Re: [talk-ph] Microsoft is letting OpenStreetMap trace from their aerial imagery!!!

[Jim Morgan]

Latest testing release of JOSM already has support in the slippymaps plugin. 
Just took a look at a bit of Batangas, and the difference is amazing. 

Jim

Eugene Alvin Villar wrote, On Wednesday, 24 November, 2010 01:25 AM:
> Read it from the blog of Steve Coast, who have joined Microsoft's Bing
> Maps division: 
> http://blog.stevecoast.com/im-working-at-microsoft-and-were-donating-ima
> 
> Relevant quote: "Microsoft is donating access to it's global
> orthorectified aerial imagery to help OpenStreetMappers make the map
> even better than it already is."
> 
> Microsoft has vastly more and newer satellite imagery than Yahoo! has.
> This will certainly drastically increase the data in OSMPH.
> 
> :-D
> 
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Re: [talk-ph] Bing or own aerial pictures...

[Jim Morgan]

Totor wrote, On Sunday, 28 November, 2010 03:26 PM:
> I'll still continue to experiment with this, but the tracing from Bing might 
> be available earlier.

It seems to be available now if you're using the testing version of JOSM. Are 
we allowed to use it yet, or is there more legal wrangling to go through before 
we're cleared for takeoff?

Jim

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Re: [talk-ph] General strategy to using bing imagery in areas with no active OSMer (was Re: Microsoft Bing Maps Imagerty [sic] Terms of Use)

[Jim Morgan]

Ed Garcia wrote, On Tuesday, 07 December, 2010 03:13 PM: 
> I successfully added the Imagery plugin and it seems to work (I can see 
> Imagery item on the main menu)   But, I may be missing a step here... I could 
> not see the Bing Sat option from the Imagery menu items on the main menu.  
> All I can see are the Landsat / Landsat (mirror) / Yahoo Sat / Rectified 
> Image / Blank Layer.  How to I "add" Bing to the options?

Check you've got josm-latest rather than josm-tested. I'm guessing it hasn't 
made it through to the tested version yet. 

Jim



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Re: [talk-ph] bing in Naic, Cavite is shifted

[Jim Morgan]

The small area around Puerto Galera seemed OK as well. Haven't really started 
filling it in yet, but the bit I checked fitted in with existing traces and 
roads.

Jim

Eugene Alvin Villar wrote, On Wednesday, 08 December, 2010 01:52 PM:
> I've checked Cebu, CDO, Legazpi, Iloilo, and Calamba and they're all
> shifted with respect to GPS traces. Metro Manila seems to be the one
> with mostly correct positioning.
> 
> 
> 
> On Wed, Dec 8, 2010 at 12:46 PM, maning sambale
>  wrote:
>> In trying to bingify our last mapping party area in Naic, I found out
>> in potlacth2, that it is off by a few meters:
>>
>> location: http://osm.org/go/4zK5XbQcA-
>> image: http://farm6.static.flickr.com/5044/5243212688_a90e193375_b.jpg
>>
>> The max zoom I can see the image in P@ is z19.
>> --
>> cheers,
>> maning
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> 
> 

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[talk-ph] JOSM editing tip

[Jim Morgan]

Came across this on someone's blog - something I didn't know how to do in JOSM 
before. It always used to irritate me if ways were joined together, but this 
will definitely make editing them easier.

Jim
---

"I think the problem is that although it is easy to create a way onto of 
another, nobody knows how to edit them. If you click the line it will only 
select one of the ways. Using JOSM, if you middle click the line(or left & 
right click on laptops) a box will appear along side describing each way. 
Before releasing the mouse button, hold down the Control key to keep that box 
there (you can now release the mouse button) and while the control key is still 
pressed you can go and click the description of the way you want. Let go of 
everything and the way you want should be selected for whatever editing you 
wish to do. Sounds complicated doesn’t it, but once you’ve done it it’s easy 
enough to do again."

http://www.livingwithdragons.com/2009/04/cycling-ncn-65-to-get-home

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Re: [talk-ph] Bing or own aerial pictures...

[Jim Morgan]

This is brilliant, for sure, but it leads me to wonder about the idea of 
mapping using an automatic camera suspended (and therefore vertical) from a 
balloon or small aeroplane. So no need to rectify. 

I've read about some people doing this in France etc, but maybe this is a 
viable alternative to expensive aerial / satellite photography. And its 
portable, so its possible to take the plane/balloon to places where its needed 
and use it there. 

Thinking ... so we'd need 
 - a model plane with remote control (and someone to fly it)
 - a GPS to record the altitude, lat and long at any given time. 
 - a camera suspended in a sling which would allow it to be pointing towards 
gravity (or some way of measuring which angle it was pointing at) 
 - some mechanism for taking photos every five seconds (say) and recording the 
time of the photo.

Can't be too hard to figure out ... I'm guessing 1000 USD? Maybe we could even 
get a grant from the government for it?

Jim

Anthony Balico wrote, On Monday, 13 December, 2010 01:38 PM:
> One word: awesome!
> 
> 
> On Mon, Dec 13, 2010 at 1:06 PM, Totor  > wrote:
> 
> Hi all,
> 
> Just a quick note on the imagery.
> I still have problems stitching them with Hugin.
> More details here : http://osm.totor.ph/
> 
> I was able to align part of the pictures further, using
> QGIS. Still not good enough in my opinion, but I won't have time to 
> continue the experiment for the moment.
> Altough not good for editing, I uploaded the resulting imagery for 
> viewing here :
> http://osm.totor.ph/SM-Cebu/
> 
> Selecting the "My TMS" main layer allows to zoom to 21!
> 
> Regards,
> 
> Totor
> 
> --- On Sun, 11/28/10, Totor  > wrote:
> 
> > That could be great to add them to gravitystorm.
> > But wait for the final ones. The stitched images I have now
> > are not correctly aligned yet.
> > I hope that will be better after replacing the automatic
> > control points with manual ones. (Now automatic points on
> > tall building distort the ground level, so I try to place
> > all control points on ground level.)
> >
> >
> > --- On Sun, 11/28/10, maning sambale  wrote:
> >
> > > Very cool experiment!  Would you
> > > like this added to the philippine
> > > images we have in the osm dev server (spot and
> > > quickbirds)?  Maybe we
> > > can request gravitystorm to include this
> > imagery.  Or
> > > you can serve
> > > them yourself via tms.
> > >
> 
> 
> 
> 
> 
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[talk-ph] Pasig River Ferry

[Jim Morgan]

For the record ... 

 Original Message 
Subject:Re: Pasig River Ferry
Date:   Wed, 22 Dec 2010 08:14:19 +0800 (SGT)
From:   PRRC PRRC 
To: Jim Morgan 


Hi Jim,

Thank you for sharing this web map. We'll just put our ferry stations there.

Yours,
PRRC

--- On *Tue, 12/21/10, Jim Morgan //* wrote:


From: Jim Morgan 
Subject: Pasig River Ferry
To: pasigla...@yahoo.com.ph
Date: Tuesday, 21 December, 2010, 3:10 PM

Hi,

I contribute to the OpenStreetMap project. I noticed that the Pasig River 
Ferry stations aren't on the map, and I'd like to put them on there. Would you 
be able to put me in touch with someone who has the Latitude and Longitude 
geographic co-ordinates of each station.

Alternatively, you're welcome to edit the map yourselves, and put the 
stations on there. Its free for everyone to use.

http://www.openstreetmap.com/

Yours

Jim Morgan.



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Re: [talk-ph] Intramuros Mapping Party: Walking Papers scans

[Jim Morgan]

Wow, just back from vacation, and checked the map of this area. Fantastic job 
guys! 

Has anyone notified the Tourism Authority? I think they'd be impressed. Maybe 
they'd even fund future mapping initiatives of tourist areas? 

Jim


maning sambale wrote, On Thursday, 23 December, 2010 02:17 PM:
> Here's the rest of the WP scans.  Enjoy!
> 
> slice5 - Rally
> lhn56v42 - http://walking-papers.org/scan.php?id=pwqzwz4c
> d9lqrkrl - http://walking-papers.org/scan.php?id=vd9r7shv
> tkp7mh8g - http://walking-papers.org/scan.php?id=p6wwl2k9
> nkv54phm - http://walking-papers.org/scan.php?id=qtqmkt8g
> 
> slice6 - Ernest
> x2fpn2g5 - http://walking-papers.org/scan.php?id=v2d5l6cx
> d3kf7ptd - http://walking-papers.org/scan.php?id=l9lfzpmm
> q8vml3mf - http://walking-papers.org/scan.php?id=tp9h3r7f
> l4stqttf - http://walking-papers.org/scan.php?id=qzxn4tz9
> backnotes - 
> http://dl.dropbox.com/u/607635/osm_stuff/intramuros/ernest_backnotes.jpg
> 
> slice3 - maning
> h4dxl35s - http://walking-papers.org/scan.php?id=tnmvxdwb
> 629l7p78 - http://walking-papers.org/scan.php?id=8k7hphhl
> t9937xph - http://walking-papers.org/scan.php?id=chdbvxfs
> 8zgm9hbk - http://walking-papers.org/scan.php?id=kq8pt6lp
> 2tcgvn33 - http://walking-papers.org/scan.php?id=q2xw5tzv
> 
> 

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Re: [talk-ph] Sun Cruises is using OSM!

[Jim Morgan]

Leonard Soriano wrote, On Wednesday, 29 December, 2010 10:31 PM:
> Just this year also, I had several friends who brought their MTB bikes to 
> Corregidor island using sun cruise. Sometimes it depends who you were able to 
> talk to.

True ... I think I probably dealt with someone who didn't have the knowledge or 
authority to answer me correctly then. Or possibly they didn't understand my 
Brit accent. That happens a lot ... :-)
 
> Here is an interesting blog of Corregidor travel on folding bikes.
> http://www.thelonerider.com/2010/jan/corregidor/corregidor.shtml

Interesting. Maybe folding bikes are acceptable whereas the big ones are not? I 
notice as well that the ferry schedule isn't very friendly as it caters for the 
package tourists - you only have 4 hours actually on the island, unless you pay 
to stay overnight, and that brings the cost up to 2,000 pesos or so. 

Anyway, I'll try again. Maybe I'll enlist the help of my girlfriend as 
translator. 

Jim

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Re: [talk-ph] Intramuros Mapping Party: Walking Papers scans

[Jim Morgan]

maning sambale wrote, On Wednesday, 29 December, 2010 03:34 PM:
> On 12/29/10, Jim Morgan  wrote:
>> Wow, just back from vacation,
> Hopefully with some gps traces. :)

Long story ... I used my GPS on the first day while I was wandering around. I 
just noted down a few waypoints. Then when I tried to record some tracks, the 
software wasn't working (I'm using Mobile Trail Explorer, and had just 
upgraded). I fiddled around with this for a few hours, and then my GPS ran out 
of battery. And of course, I hadn't brought the charging cord with me -- it was 
sitting on the table when I got home. 

So, not very successful, but I put a few more places on the map at Bantayan. 

>> Has anyone notified the Tourism Authority? I think they'd be impressed.
> I did went to the Tourism Office (the building was in my assigned cake
> slice) and explained them what we are doing.  They asked me whether I
> am bidding for the tourist map contract.

I'll send them an email and let the list know what happens. 

Jim

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Re: [talk-ph] railway being shadowed by trunk highway on mapnik

[Jim Morgan]

Happy New Year! 

Ed Garcia wrote, On Friday, 31 December, 2010 08:14 PM:
> Is there a way to make mapnik display the railway "over" the highway so it 
> does not disappear?

Isn't that what the layer= tag does? 
http://wiki.openstreetmap.org/wiki/Layer

Although it goes on to warn: "Some people also use the layer tag to "fix" 
render issues. This is not an appropriate use. If a renderer is broken, then 
you are better off to open a ticket in trac [1], so somebody can start working 
on a real fix. "

Jim

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Re: [talk-ph] Be careful in tracing from Bing Maps

[Jim Morgan]

Eugene Alvin Villar wrote, On Thursday, 06 January, 2011 02:03 AM:
> In Potlatch 2 and Merkaartor 0.17, the imagery can be moved by
> pressing down the spacebar then dragging. I don't know how to do this
> in JOSM but it also has a way to move the background image.

Brilliant. I didn't know you could do this in Potlatch. Had a quick look around 
JOSM and it doesn't immediately seem possible. 

Jim

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Re: [talk-ph] Be careful in tracing from Bing Maps

[Jim Morgan]

Rally de Leon wrote, On Thursday, 06 January, 2011 12:04 PM:
> the one i'm using on windows: JOSM (version 3767)
> 
> While Bing Imagery & GPS traces are shown on the JOSM's background:
> click on menu: Imagery --> New offset

Don't seem to have that menu anywhere. I'm using the latest JOSM on Linux. 
Maybe the menu item is added with one of your plugins? What plugins are you 
running?

Jim

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Re: [talk-ph] Be careful in tracing from Bing Maps

[Jim Morgan]

Rally de Leon wrote, On Thursday, 06 January, 2011 03:08 PM:
> JOSM Version 3767 (on Windows) looks like this:
> No need for extra plug-in (it's built-in):

Indeed. Got it now. They must have sneaked that in in the last week or two! 
Good stuff. 

Jim


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Re: [talk-ph] San Juan, Batangas mapping

[Jim Morgan]

eric pareja wrote, On Tuesday, 18 January, 2011 09:57 AM:
> I'll be going to San Juan, Batangas on Wednesday, Jan. 19 and am
> wondering what GPS tracking software for the Nokia N97 would you guys
> recommend. I have been using SportsTracker, but it doesn't provide
> capability to add waypoints and POIs.

You could try Mobile Trail Explorer, but that seems a bit temperamental about 
which phones it works on. Try the current version 1.14 and the beta 1.15. 
http://www.substanceofcode.com/software/mobile-trail-explorer/ 

I used to use that on my Sony Ericsson K530i, and it was fine. However it 
stopped working recently so I switched to TrekBuddy (which I used at the 
weekend to do a few tracks around Timberland Heights). 
http://www.trekbuddy.net/forum/

It took me a while to figure out how to record tracks. Here is the user guide
http://www.trekbuddy.net/forum/viewtopic.php?t=22

And here is a very useful app for downloading atlases on your computer over 
wireless/wired, so you can upload them to your phone and save on 3g costs. 
http://mobac.dnsalias.org/

Incidentally that last piece of software works for many other GPS / mobile 
device mapping software. 

Jim

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[talk-ph] Non-mapping question

[Jim Morgan]

Hi all,

Planning a trip to Lake Caliraya in Feb. Will turn my GPS on of course, but the 
main idea is to do some trail running with some friends, rather than mapping.

Anyway, we're leaving Makati at around 10am on Saturday morning. Do any of you 
seasoned drivers have any opinions as to whether it would be faster to go North 
via Antipolo-Morong-Famy or south via Calamba-Bay. My only experience of this 
route was a single occasion where I hit a massive traffic jam in Pagsanjan. And 
of course the hit-or-miss SLEX. 

I'm thinking it should take between 2.5 and 3.5 hours. 

Jim

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Re: [talk-ph] Non-mapping question

[Jim Morgan]

Hi,

Thanks for the input, I thought there might be someone with local knowledge on 
the list!

tutubi wrote, On Tuesday, 25 January, 2011 10:37 AM:
> if you're from the north i.e. QC, it's faster via Rizal route. around 2.5 
> hours from Trinoma
> From Trinoma via Calamba, it's 3.5 hrs. SM Calamba is already open and even 
> the bypass road that will pass the new Calamba City hall has heavy traffic. 
> The trikes on Manila East Road are such nuisance too
> 
> total distance from trinoma via rizal is about 90 kms while via calamba is 
> probably 110 kms. 10am is quite late so expect heavy traffic too from Calamba 
> to Los Banos

Yes, so I'm coming from Makati, which would make the distances about equal. I 
gather the Northern route takes longer (smaller roads), but I was thinking it 
might be more predictable - a definite 3 hours rather than "somewhere between 
2.5 hours and 4 hours" depending on traffic at Calamba, South Super Highway, 
etc. 

Or maybe there's a way around the traffic, using the magic of GPS?

Jim

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Re: [talk-ph] Non-mapping question

[Jim Morgan]

tutubi wrote, On Tuesday, 25 January, 2011 10:37 AM:
> total distance from trinoma via rizal is about 90 kms while via calamba is 
> probably 110 kms. 10am is quite late so expect heavy traffic too from Calamba 
> to Los Banos

How about, for example, going past the Calumba turn and coming off at San 
Rafael near Tanauan? Then Pan Philippine Highway, make a left at San Felix, and 
rejoin the main road at Bay? Probably an extra 20km, but it avoids Calamba and 
Los Banos?

Jim

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[talk-ph] GPS co-ordinates on Vcard

[Jim Morgan]

Just a random thought ... 

It struck me that a very useful application for restaurants, bars etc, would be 
to put their Lat/Long co-ordinates on a webpage, in a format that would allow 
them to be imported into people's GPS units. In the same way as Vcard allows 
you to do with addresses. 

Any ideas on how this might happen? Perhaps this is more suited to the main OSM 
list. 

Jim

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Re: [talk-ph] ideas for tracking stepjuan's journey (Fwd: STEPJUAN Bai: A walking expedition for Children with Cancer)

[Jim Morgan]

maning sambale wrote, On Friday, 04 March, 2011 08:06 PM:
> This year he is planning to do the Visayas leg.  I'm looking for ideas
> on how we can once again track the journey and show a webmap.  Are
> there any GPS tracker available wherein we can directly interface to
> an OSM map?   The StepJuan crew is looking for sponsorships, if you
> have ideas, just post em here.

You might be able to persuade Globe to give you a sponsorship. They have a GPS 
tracking system which you might be able to use. Not sure how it would integrate 
with OSM though. 


http://site.globe.com.ph/web/business/news_events/news20cn?sid=TXHCbcuxpRcAAAv60wwAAAFae

Jim



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Re: [talk-ph] ideas for tracking stepjuan's journey (Fwd: STEPJUAN Bai: A walking expedition for Children with Cancer)

[Jim Morgan]

Andre Marcelo-Tanner wrote, On Monday, 07 March, 2011 08:51 PM:
> Make sure to test the actual droid phone + app to see how fast it can acquire 
> a GPS lock and send it with the tweet or else it might be sending tweets 
> without the GEO info

But this is pretty much what the Globe GPS tracking system does, except it 
sends the co-ordinates by SMS, I understand. And given that the walk is for a 
good cause, I'm sure they'd be approachable and would a) give you a free GPS 
tracker plan and b) help you promote the cause. 

I'd definitely second the solar charger idea.

Jim

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[talk-ph] GPS article

[Jim Morgan]

A general GPS tech article, rather than a mapping-related one, but I thought it 
might be interesting anyway. 


IT WAS just after midday in San Diego, California, when the disruption started. 
In the tower at the airport, air-traffic controllers peered at their monitors 
only to find that their system for tracking incoming planes was malfunctioning. 
At the Naval Medical Center, emergency pagers used for summoning doctors 
stopped working. Chaos threatened in the busy harbour, too, after the 
traffic-management system used for guiding boats failed. On the streets, people 
reaching for their cellphones found they had no signal and bank customers 
trying to withdraw cash from local ATMs were refused. Problems persisted for 
another 2 hours.

It took three days to find an explanation for this mysterious event in January 
2007. Two navy ships in the San Diego harbour had been conducting a training 
exercise. To test procedures when communications were lost, technicians jammed 
radio signals. Unwittingly, they also blocked radio signals from GPS satellites 
across a swathe of the city.

Continues ...




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Re: [talk-ph] GPS article

[Jim Morgan]

On Tuesday, 08 March, 2011 12:19 PM, Michael Cole wrote:

Of course other things went down, eg phones.. Because they were also jammed to
stop the sailors using phones to call ship to ship..

GPS is more and more needed but the ATM's themselves do not have gps units..
Unless they were mobile ATMS..
Well that was kind of the point ... The ATMs *did *use GPS, as the ATM 
system used GPS for their accurate time signal. No one anticipated it 
would fail until this test was run.


My main business is IT security, and that involves a component of risk 
analysis. This is the kind of risk which is very hard to spot, and one 
which will come out of left field and take you down. Which is why I 
personally found it so interesting.


Jim
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Re: [talk-ph] ideas for tracking stepjuan's journey

[Jim Morgan]

Another useful looking tool ... 

http://www.opengts.org/

Jim

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[talk-ph] GPS article

[Jim Morgan]

Backgrounder on GPS accuracy, dGPS, aGPS etc

http://www.theregister.co.uk/2011/03/10/rae_gps_report/

Jim

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[talk-ph] MapOSMatic

[Jim Morgan]

Just fantastic
http://maposmatic.org/

Makes a printable map with reference squares and an index from a quick drag on 
the OSM map. PDF, SVG and PNG formats. Wow. 

Also found this piece of software which does a similar thing, but haven't tried 
it yet ...
http://maperitive.net/

Cool tools. I actually found them randomly when I was looking for a way to zoom 
to 19 on OSM. 

Jim

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Re: [talk-ph] MapOSMatic

[Jim Morgan]

I contacted the guys at MapOSMatic to give some feedback. I felt that while it 
was a superb tool at some zoom levels (eg outputting a map of Makati area), 
that it lacked a bit when you zoomed in closer, or out further. 

Here is a reply from David Mentre at MapOSMatic. Development is evidently under 
way, and it looks set to get even better. I wish I was a coder ... 

Jim

---
Hello Jim,

Many thanks for your very positive feedback!

2011/3/30 Jim Morgan :
> > So, it seems that the tool works brilliantly if you select an area of the 
> > correct zoom level. But if you go Above or Below that level, then results 
> > are not so good.
In fact, we are using a fixed zoom level (I can't remember which one right now).

> > I'd like to suggest a variable zoom level for your tool. When people select 
> > an area on the map, take a note of the zoom level. Then render at +3 zoom 
> > levels (for example). Then the detail will always be consistent with the 
> > area selected.
Our intent was to provide a certain level of details on all maps,
whatever is the zoom level of a map. But we agree that this approach
might not satisfy all use cases.

> > Even better would be to allow people to select the detail level (+1, +2, +3 
> > etc).
I have added a task for this, so the feature wish is recorded:
  http://savannah.nongnu.org/task/index.php?11038

> > And the icing on the cake would be to allow people to include various items 
> > via checkboxes. Road names, Restaurants/Bars, Accommodation, Landmarks, 
> > Shopping etc.
Regarding the choice of various items, we are working on it, we a set
of predefined stylesheets. You can see an example of it on our
development version: http://dev.maposmatic.org/

> > Just thinking out loud here, and hoping to provoke some ideas. Is the code 
> > for MapOSMatic open sourced, so that I could hack at it?
Of course! :-)
  http://savannah.nongnu.org/projects/maposmatic/

We have also a mailing list, an IRC channel, etc. All patches are welcome! ;-)

> > Or is there a facility for referencing your own rendering style-sheets to 
> > alter the way things are rendered. Or, if neither of these are possible, do 
> > you have a small HowTo on how you went about creating MapOSMatic. I'd be 
> > very interested ...
As I said, the next version of MapOSMatic will have a set of
predefined stylesheet. But even with current MapOSMatic code, if you
install it on your own computer you can tailor the Mapnik rendering
stylesheet at will.

Best regards,
david




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Re: [talk-ph] Bridges

[Jim Morgan]

maning sambale wrote, On Friday, 01 April, 2011 07:02 PM:
>  To add a bridge, simply split a line/way from the beginning and end
> of the bridge.  Then add a tag bridge=yes to the newly created way.
> Make sure to add the correct name of the bridge.  

You may also want to adjust the layers, depending on what the bridge is 
straddling. For example if the bridge is over a river, you might want to make 
the river layer=-1 OR the bridge layer=1

Jim

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[talk-ph] OSM Marker.

[Jim Morgan]

I just found the answer to this question and thought I'd share it because its 
useful ... 

If you want to put a marker on a map, just take the normal URL from the 
Permalink eg. 

http://www.openstreetmap.org/?lat=14.534892&lon=121.052821&zoom=18&layers=M

And add the letter 'm' in front of the lat and lon tags: 

http://www.openstreetmap.org/?mlat=14.534892&mlon=121.052821&zoom=18&layers=M

Brilliant. 

Jim

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[talk-ph] GPSmid

[Jim Morgan]

GpsMid

Java Midlet to use OpenStreetMap data on a J2ME ready Mobile. Displays a moving 
map using external or internal GPS, shows the street name on which you are. 
There is Navigation support for car drivers, bicyclists and pedestrians plus 
many more ...

http://sourceforge.net/projects/gpsmid/

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Re: [talk-ph] dumaguete has no resident mapper

[Jim Morgan]

maning sambale wrote, On Tuesday, 19 April, 2011 08:56 PM:
> I've started adding small updates around Dumaguete downtown area.  I
> have to say that basic roads around downtown is complete.
> 
> http://osm.org/go/4nuN_4ab
> 
> Thanks to previous contributors.

Hah. I went there about a month ago. Nice city! Hope you made it up to Hayahay 
bar for a beer afterwards. :-) Siquijor was nice too ... 

I must say you've cleaned up the map a bit. I was only walking around, so just 
did the main bits of the city centre. 

> If you have friends living in the city please show them our map and
> demonstrate how they can contribute.

I don't know anyone there. Maybe the University would be interested ... plenty 
of keen students to work with. 

Jim

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Re: [talk-ph] OMG! A tagging proposal for trees!

[Jim Morgan]

maning sambale wrote, On Tuesday, 17 May, 2011 08:45 PM:
> http://wiki.openstreetmap.org/wiki/Tree_table

I sometimes wonder how OSM contributors figure on the Yale Brown 
Obsessive-Compulsive scale. A little is obviously a good thing. Categorising 
trees according to shape indicates something is a little out of whack to me. 
Trees grow / die / get chopped down! Maybe they should have a tag to indicate 
whether they have leaves or not, which we can change every Autumn and then back 
again every spring? 

Or maybe there are more useful things to map. 

Jim

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Re: [talk-ph] Tagging convention: names for city, municipal and barangay halls

[Jim Morgan]

Just to play devil's advocate here ... I guess there's also a case for marking 
a city, village, barangay as the exact geometric centre of the area. That would 
certainly make sense at the lower zoom levels. 

Maybe some renderers already do this? In which case, as long as the boundary 
area is tagged, then there's no need for the second, single point to be tagged, 
which saves work. 

Jim

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Re: [talk-ph] Tagging convention: names for city, municipal and barangay halls

[Jim Morgan]

Eugene Alvin Villar wrote, On Friday, 03 June, 2011 08:47 PM:
> If you just need the geometric center of a town or city, I agree that
> there is no need to add a point for that.
>
> The renderers can already place labels in the geometric center. For
> example, the main OSM map style Mapnik already does this. See this
> example for Obando, Bulacan . As you can
> see, there are two labels for Obando, the geometric center to the
> upper left which was added automatically, and the manual label to the
> lower right which corresponds to where the downtown area is (where the
> Obando Church, town plaza, and the college, and the public market is).

Good example! But when you zoom out one level, the geometric centre disappears, 
so for this renderer at least, the single, specified point is clearly the way 
to go. 
 
> (Hmmm, I think I can recreate the Siquijor map using OSM data now.
> Just need to find the time to do it. :-)

Hired a motorbike there a few months back and did a few updates ... :-)

Jim

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[talk-ph] Cherry Mobile Cosmo

[Jim Morgan]

Hi all,

I bought one of these a couple of weeks ago for P 6900. I've been waiting for a 
decent, cheap Android phone to come along, which to me is the whole reason for 
Android to exist. However most of them have been 500 USD, 400 USD, 300 USD, 
until this one came along. I was a bit sceptical about the build quality at 
first, but I went to the Cherry Mobile outlet, and hefted it in my hand a bit 
and decided to take the plunge -- no such thing as try-before-you-buy there. 

Here are the specs:
 http://www.cherrymobile.com.ph/site/mobiles/cosmo.html

As you can see its got Android 2.2, which apparently is streets better than 2.1 
or previous. 2.3 would have been even better, but 2.2 is OK. Other things which 
were on my "must have" list were 3G (check), wifi (check), and a 3.5 audio jack 
(check), and of course, the reason why I'm mentioning it here, GPS (check). 

I had a problem with it randomly shutting down when I first got it. My heart 
sank as I thought my worst fears were realised - cheap taiwanese trash. But the 
sales people worked with me diligently to figure out the problem, which turned 
out to be a bad memory card (actually a batch of them ...). 

So once it was working, it seems pretty good. Its not a speed machine, but its 
adequate for what I wanted. In particular the GPS ... works OK. It comes with 
Google Maps on it, so you need a wifi connection to really use that properly. 
However I found a version of Trekbuddy in the Android market, and loaded all my 
Trekbuddy maps onto it, and its been great. It takes a while to get a fix 
sometimes (I think its programmed to rely too much on AGPS and the 
contraversial wifi AP database), but once its got a fix, its been fine. 

I took it on a run last weekend, and it tracked me pretty well. I might try 
loading up the MapMyRun software next and see what happens with that. 

Anyone else running Android for mapping out there? Any good apps to try?

Jim


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Re: [talk-ph] Cherry Mobile Cosmo

[Jim Morgan]

Ed Garcia wrote, On Wednesday, 06 July, 2011 01:47 PM:
> Yes, for track logs and waypoint marking, I like MyTracks too.  

Went on another run last Sunday, so I tried out My Tracks. Worked pretty well, 
and it was simple, but it seems to require a data connection to download the 
maps, which I failed to do before the run. 

On previous phones (and on this Android one) I've used TrekBuddy. This has the 
massive advantage of being able to use pre-downloaded maps. I have all of Metro 
Manila on it upto zoom 16, and whenever I go somewhere new, I download the map 
using Mobile Atlas Creator. 

The downside of TrekBuddy is that its not so good for adding waypoints, but its 
primarily intended as a navigation app. 

Back to the phone ... the GPS fix on it doesn't seem to be as accurate as my 
NAVman B10 unit, and sometimes it puts me 10 or 20 meters away from where I 
know I am. So its probably of limited use as an OSM device, but its good enough 
for navigation, and the Geotagged photos are cool. 

Jim

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Re: [talk-ph] soliciting navdroid PH map improvements

[Jim Morgan]

Did you look at Trekbuddy? Its got tracks and waypoints, and a static map. No 
routing though. 

Jim

Ed Garcia wrote, On Monday, 01 August, 2011 05:54 PM:
> hmm... here are some...
> 
> if only navdroyd can do track logs
> and mark or collect waypoints
> and have custom POI lists like the Nuvi "extras",
> it would then be the perfect android gps tool for me.

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Re: [talk-ph] Ultimate mapping challenge: marking the Station Balanacan in OSM

[Jim Morgan]

maning sambale wrote, On Friday, 12 August, 2011 04:12 PM:
> My handheld GPS is off by 6.92 meters from the published PRS92 coordinates.

That reminded me, I was walking down the street the other day in Makati, and I 
came across a manhole cover. It had a detailed GPS co-ordinate engraved on it. 
http://dl.dropbox.com/u/274900/DSC00341.JPG

The co-ordinates were accurate down to 1/100th of a second, which seems quite 
precise (one second is around 28 metres at this latitude). I was wondering if 
this is common to all areas / cities, and if so, can we use it for something - 
aligning or verifying roads. 

Also ... maybe roadworks departments have records of these that they'd be 
prepared to release? 

Jim



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Re: [talk-ph] Ultimate mapping challenge: marking the Station Balanacan in OSM

[Jim Morgan]

Jim Morgan wrote, On Friday, 12 August, 2011 04:54 PM:
> That reminded me, I was walking down the street the other day in Makati, and 
> I came across a manhole cover. It had a detailed GPS co-ordinate engraved on 
> it. 
>   http://dl.dropbox.com/u/274900/DSC00341.JPG

To save you all the trouble, I just converted the lat/long to decimal and put 
it into OSM

http://www.openstreetmap.org/?mlat=14.56233&mlon=121.01716&zoom=17&layers=B000FTF

Jim

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Re: [talk-ph] plotting jeepney routes on OSM

[Jim Morgan]

There's a pdf file with all the makati routes plotted on it here, if anyone 
needs it
http://mmtm2.tripod.com/pdfs/mmtm_makati_1051.pdf

Jim

tutubi wrote, On Wednesday, 17 August, 2011 11:27 AM:
> I have blog posts on this topic like the one for divisoria, quiapo and those 
> going to Projetcs of quezon city:
>  
> http://www.backpackingphilippines.com/2010/11/how-to-get-to-divisoria-map-jeepney.html
> http://www.backpackingphilippines.com/2010/11/jeproks-project-quezon-city-jeepney.html
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Re: [talk-ph] Fwd: [OSM-talk] Scholarship program to State of the Map 2011

[Jim Morgan]

Sounds great so far. 

You might also want a small section on the particular challenges peculiar to 
the Philippines. Just off the top of my head:

- The lack of satellite data (always good to plug that one). So we rely 
more heavily on contributions, especially in rural areas. 
- The different ways of subdividing areas. City / Barangay / Village 
etc. and how that maps onto the OSM categories
- The different names for things. How do we mark a sari-sari store?  
(insert picture into slideshow) Convenience? Vulcanizing store (cue Spock joke 
...). 

Those are a few issues that I remember from the discussions on this list. I 
think this is the sort of thing which would be interesting to others from 
outside: The quirks. 

Jim

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Re: [talk-ph] Maning Sambale at State of the Map in Denver

[Jim Morgan]

Anyone notice something about the guy on the far left? 

Eugene Alvin Villar wrote, On Friday, 16 September, 2011 01:46 AM:
> Oops. URL: http://wiki.openstreetmap.org/wiki/File:SOTM11_denver.jpg

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Re: [talk-ph] Maning Sambale at State of the Map in Denver

[Jim Morgan]

OK, OK, I got Manning's post about Peter Batty after I sent this email ... 

Jim Morgan wrote, On Friday, 16 September, 2011 11:46 AM:
> Anyone notice something about the guy on the far left? 


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Re: [talk-ph] Fwd: [OSM-talk] Installing your own tileserver on Ubuntu

[Jim Morgan]

This sounded so good, I thought I'd give it a go this afternoon. However the 
commands given as typed in the email don't work. I'd recommend reading the long 
version at the wiki page he references later on: 
http://wiki.openstreetmap.org/wiki/Ubuntu_tile_server

Specifically I found these problems: 

- After adding the repository, you need to do an 'apt-get update' before the 
next step. 

- Very IMPORTANT. He doesn't mention the configuration step after installing 
libapache2-mod-tile. According to the wiki you need to "add your own username 
after www-data in order to import data". As I didn't do this, the renderer did 
not work. I've also spent about two hours trying to re-configure this setting, 
and can't find out how to do it. So, yes, read the wiki first. 

- The osm2pgsql misses out the --slim command line element. I also found that I 
needed to reduce the memory usage, having only 1Gb in my laptop. The --verbose 
helped as well. so:
osm2pgsql --slim --cache 300 --verbose philippines.osm.pbm

So what could have been a five minute wonder install has now turned into a 
three hour marathon for me due to bad instructions. Read the wiki. 

Jim

Eugene Alvin Villar wrote, On Monday, 10 October, 2011 07:07 AM:
> Hi guys,
> 
> This sounds interesting. Rendering and making tiles just for the Philippines 
> is viable on a desktop or even a laptop since the PBF file for the country is 
> only 27 MB.
> 
> Eugene
> 
> 
> -- Forwarded message --
> From: *Kai Krueger* mailto:kakrue...@gmail.com>>
> Date: Mon, Oct 10, 2011 at 6:13 AM
> Subject: [OSM-talk] Installing your own tileserver on Ubuntu
> To: t...@openstreetmap.org 
> 
> 
> Hello everyone,
> 
> with the recent need to crack down on tile scrapers and apps to not over
> tax the main OSM tileservers and hosting, there has been a lot of talk
> trying to convince people to set up their own tileserver.
> 
> Although that is of cause by far not the only hurdle to set up your own
> tileserver, one barrier is perhaps the perceived complicated procedure
> to set up all the elements necessary. Although there are a number of
> decent howtos already available on the wiki (perhaps even to many, each
> containing slightly different advice...), it is perhaps still more
> effort than people want to get into.
> 
> In the hope to make this process even simpler, I have created a bunch of
> packages for Ubuntu containing all the necessary software, as well as
> glue packages to deal with the necessary setup and interaction between
> the different components.
> 
> The packages aren't perfect yet, but hopefully sufficiently helpful
> already to be of use to others who are interested in playing around with
> their own tileserver.
> 
> A simple standard tileserver can now be setup in 5 commands in a terminal:
> 
> sudo add-apt-repository ppa:kakrueger/openstreetmap
> sudo apt-get install libapache2-mod-tile
> wget http://download.geofabrik.de/osm/north-america/us/colorado.osm.pbf
> osm2pgsql 
> 
>  -C 1500 colorado.osm.pbf
> sudo /etc/init.d/renderd restart
> 
> At the end you should have a working tileserver based on mod_tile and
> renderd with the standerd OSM-mapnik stylesheet.
> 
> You can test it out by opening the installed slippymap at
> http://localhost/osm/slippymap.html
> 
> You will of cause want to replace the above lines with the downloading
> and importing of an extract with the extract you care about.
> 
> Although for smaller areas hardware requirements aren't too bad, they
> quickly go up beyond what can be handled by a standard desktop computer.
> My rough guestimate of what a typical desktop / laptop can handle is
> about an extract of 100 - 300 Mb (no more than an hours worth of
> import). This covers most of the US and German states, as well as many
> of the other less densely mapped countries.
> 
> If you are more serious about your tileserver, you will need to tune the
> various configuration settings, but just to play around and for personal
> use, the default settings should work reasonable.
> 
> More information can be found on yet another wiki-page... (
> http://wiki.openstreetmap.org/wiki/Ubuntu_tile_server )
> 
> Any comments or feedback are welcome,
> 
> Kai
> 
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Re: [talk-ph] Fwd: [OSM-talk] Installing your own tileserver on Ubuntu

[Jim Morgan]

maning sambale wrote, On Tuesday, 11 October, 2011 03:30 PM:
> So after 3 hours, did it work jim?  I think that's the easy bit now.
> What's even more difficult is tweaking the default style to your own
> preference.  OSM's mapnik xml is really ginormous.  That would
> probably take me more than a week to understand.

Nope. Not working after 5 hours and 500 commands even ... gave up about 8pm 
last night. 

Not sure if it was missing the step of putting my username in the setup script 
which meant it doesn't work, or something else. But as I can't get postgresql 
to remove and reinstall properly, there's no way I can tell. I'm thinking it 
will be quicker to reinstall the OS fresh and start from there. Sigh. Wish I'd 
done it in a VM now ... 

Jim


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Re: [talk-ph] Fwd: [OSM-talk] Installing your own tileserver on Ubuntu

[Jim Morgan]

8 hours and 800 commands later ... 

Reformatted the computer, reinstalled Ubuntu 11.04, ran the FULL set of 
commands from the wiki, downloading the 500MB of coastline data, and adding my 
login name to the db permissions. 

Ran the database import, checked that the data was in the tables. Still 
nothing. The server works with the mapnik data, but can't get anything at all 
when I select local tiles. 

> These script will be probably useful to make it working.
> $ sudo -u postgres psql -d  -c "ALTER TABLE geometry_columns
> OWNER TO "
> $ sudo -u postgres psql -d  -c "ALTER TABLE spatial_ref_sys
> OWNER TO "

This is included in the setup scripts. Tables are owned correctly. 
 
> The 900913 is not normally included with postgis. To add it you
> should run: 
> $ sudo -u postgres psql -d  -f 900913.sql

This too is already included. Data is already in the database as checked by
gis=# SELECT * FROM spatial_ref_sys WHERE srid=900913;

> If you want to use hstore support then you will also need to enable
> the PostgreSQL hstore-new extension.

That has also been done already by the setup script. 

Is there any way I can check what's going on? Apache logs show nothing. renderd 
is running OK. A bit stuck here ... 



Jim

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Re: [talk-ph] Fwd: [OSM-talk] Installing your own tileserver on Ubuntu

[Jim Morgan]

But wait ... 

Although the web-page doesn't show any tiles 
http://localtileserver/osm/slippymap.html 
... the individual tiles are being generated ...
http://localtileserver/osm/11/1712/949.png

Its a bit slow, but it is working ... don't know why the webpage won't load any 
tiles ... OK, I'll play with it for a bit. 

Jim

Jim Morgan wrote, On Wednesday, 12 October, 2011 03:06 PM:
> 8 hours and 800 commands later ... 
> 
> Reformatted the computer, reinstalled Ubuntu 11.04, ran the FULL set of 
> commands from the wiki, downloading the 500MB of coastline data, and adding 
> my login name to the db permissions. 
> 
> Ran the database import, checked that the data was in the tables. Still 
> nothing. The server works with the mapnik data, but can't get anything at all 
> when I select local tiles. 
> 
>> These script will be probably useful to make it working.
>> $ sudo -u postgres psql -d  -c "ALTER TABLE geometry_columns
>> OWNER TO "
>> $ sudo -u postgres psql -d  -c "ALTER TABLE spatial_ref_sys
>> OWNER TO "
> 
> This is included in the setup scripts. Tables are owned correctly. 
>  
>> The 900913 is not normally included with postgis. To add it you
>> should run: 
>> $ sudo -u postgres psql -d  -f 900913.sql
> 
> This too is already included. Data is already in the database as checked by
>   gis=# SELECT * FROM spatial_ref_sys WHERE srid=900913;
> 
>> If you want to use hstore support then you will also need to enable
>> the PostgreSQL hstore-new extension.
> 
> That has also been done already by the setup script. 
> 
> Is there any way I can check what's going on? Apache logs show nothing. 
> renderd is running OK. A bit stuck here ... 
> 
> 
> 
> Jim
> 

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Re: [talk-ph] my sotm2011 lighning talk

[Jim Morgan]

maning sambale wrote, On Wednesday, 12 October, 2011 09:43 PM:
> Here's a post on what I said or suppose to say in <10minutes lighning
> talk in SOTM11 in Denver last month.
> 
> https://epsg4253.wordpress.com/2011/10/12/state-of-the-philippine-map-my-sotm2011-talk/

Great stuff. You realise however that Yahoo imagery has now been withdrawn 
though? 

"In September 2011 Yahoo sadly shut down their aerial imagery service 
completely. Luckily we have, since 2010, had a similar agreement with Bing 
(Microsoft). On the whole bing's imagery is superior, although not everywhere."
  http://wiki.openstreetmap.org/wiki/Yahoo!_Aerial_Imagery

Just thought I'd mention it on the list, as I only just found out about it 
myself recently. 

Jim

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[talk-ph] OpenSIGNALmaps

[Jim Morgan]

On a related note, just found this useful site which uses crowdsourcing to 
generate a map of 2g/3g signal strength. I'm betting the Philippines could do 
with more contributors, but pretty useful as it is. 

http://opensignalmaps.com/

Blurb from the website:
About OpenSignalMaps

With your help, we're creating a comprehensive database of cell phone towers, 
cell phone signal strength readings, and Wi-Fi access points around the world. 
This data is collected via our Android application and uploaded to our servers, 
taking care to use as little processing power and battery life as possible.

You can use this website to browse the data we've collected, including heat 
maps that show exactly how strong signal is in any particular area, as well as 
all the nearby towers for your carrier. Take a look around, and feel free to 
contact us if you have any questions or feedback.
Where does the data for our map come from?

The data is collected by users of our Android application. This data is 
stripped of any identifying information, and uploaded to our servers. We make 
this information openly available on this website, and provide a graphical 
interface to enable you to make sense of the raw data.
We need your help!

Please help us on our mission to map cell phone signal around the globe! 
Download our Android application, and not only will you be able to view nearby 
towers and signal information, but the application will automatically upload 
this information to our servers and help us keep our heat maps and tower 
locations up to date.



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Re: [talk-ph] (no subject)

[Jim Morgan]

Which of course is spam ... Ian, you might want to change your Yahoo password. 

Jim

ianlopez wrote, On Saturday, 05 November, 2011 06:28 AM:
> http:// 204studio. com / cvxkoa.php
> 
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[talk-ph] Ten Million

[Jim Morgan]

Just submitted changeset number 9904870

Ten million changesets coming up soon  

Jim

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[talk-ph] AVT offer on cashcashpinoy.

[Jim Morgan]

Thought I'd post this in case anyone was thinking of getting one: it seems to 
be a worthwhile discount. 


http://www.cashcashpinoy.com/product/avt-4-3-tft-touchscreen-gps-navigator

Jim

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Re: [talk-ph] Fwd: towns and inter-town roads

[Jim Morgan]

OK, well just to split hairs a bit here ... which is what this list is all 
about ... :-) 

So you have a road between Calamba and Los Banos for example. Do you name it 
Calamba - Los Banos road, or Los Banos - Calamba Road? I guess people in both 
towns would have strong opinions about this! Or do you split it roughly half 
way, and call it both, depending on what town you're nearest? I guess that 
would make more sense, but its more hassle to implement. 

Another thought. Do you just do this at the town level? How about if there's a 
village on the way? Or a road connecting two villages? 

I'm still of the opinion than any information at all is better than no 
information, but these seem like protocols worth hashing out. 

Won't be able to make the mapping thing tomorrow unfortunately, but have fun, 
and have a great Christmas/Festive Season/ all! 

Jim



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Re: [talk-ph] OSM on iPhone 4S

[Jim Morgan]

tutubi wrote, On Wednesday, 28 December, 2011 05:25 PM: 
> what's your recommended app for iPhone 4S (wifey's gift for me, who drools 
> over iPhones but too peso-pinching to even buy one)
> for me to browse offline map of OSM-PH  plus get tracklogs and POIs, free 
> apps preferred, of course.

A few more for you ...
http://wiki.openstreetmap.org/wiki/Apple_iOS

With a handy comparison chart ... 

Jim


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Re: [talk-ph] cheap and reliable field data collection equipment

[Jim Morgan]

maning sambale wrote, On Wednesday, 18 January, 2012 03:42 PM:
>  - data logger and digital cam - photos can be synchronized with gps
> tracks, has long battery life suitable for long fieldwork

I believe all you have to do is make sure that the camera time and date is set 
accurately and you can use the captured time and date of the photo to associate 
it with the GPX file. 

>  - a cheap droid phone - all in one device for fieldnotes,
> phototagging and gps tracklogging, limited battery life.  Jim
> mentioned a while ago Cherry mobile cosmo [0].  @Jim, based on your
> experience, do still suggest we look at this phone?

The camera is not so good (wasn't really expecting it to be in fact), so it 
would only be good for shots in daylight, and when the detail wasn't 
imperative. Battery life might be an issue, so you'd need to pack an external 
power source or have a method of recharging. But yes, its still working as 
advertised, and does anything Android will let it do. 

Finding one app to do everything would be tricky, so it might be a bit fiddly 
switching between mapping and photo app. 

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Re: [talk-ph] Costa Concordia on OSM

[Jim Morgan]

Eugene Alvin Villar wrote, On Thursday, 19 January, 2012 10:29 PM:
> Well, somebody thought that the ship would remain it its half-sunk
> state for quite some time and thus mapped it on OpenStreetMap:
> http://osm.org/go/xXqwIFro

Reminds me of an old military saying: "If it moves, salute it. If it doesn't 
move, paint it white". Only in this context it should be: "If it doesn't move, 
map it!" Maybe an OSM Tshirt slogan. :-)

Jim

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[talk-ph] GPS Jamming article.

[Jim Morgan]

Just general interest ...


http://arstechnica.com/business/news/2012/02/uk-research-measures-growing-gps-jamming-threat.ars

Jim

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Re: [talk-ph] foursquare "checked-in" on openstreetmap

[Jim Morgan]

maning sambale wrote, On Thursday, 01 March, 2012 09:19 AM:
> http://blog.foursquare.com/2012/02/29/foursquare-is-joining-the-openstreetmap-movement-say-hi-to-pretty-new-maps/

Nice. Followed a link in that post, and found this tool which looks quite handy:

http://mapbox.com/tilemill/

I forgot who it was, but someone on this list was looking for a way to change 
the way tiles are rendered. Looks like this tool might help. 

Jim
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Re: [talk-ph] OSM Philippine data in the X-Plane flight simulator

[Jim Morgan]

Eugene Alvin Villar wrote, On Monday, 19 March, 2012 12:34 AM: 
> (So lets all add lots more buildings!) :D

Guess we'd also need the height= tag ... 
https://wiki.openstreetmap.org/wiki/Key:height

Jim
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Re: [talk-ph] Crowdsourcing health facilities

[Jim Morgan]

Wayne Manuel wrote, On Saturday, 24 March, 2012 10:32 AM:
> What type of help could we provide them? They've asked me about the 
> extraction from Google Maps but for OSM, they didn't ask me.

Wouldn't there be some copyright issues with extracting from Google Maps? 
Whereas you can extract from OSM as long as you give the correct attribution. I 
think ...

Jim

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[talk-ph] Sneaky House Numbering Scheme

[Jim Morgan]

Pretty nice idea actually ... 

"Google is getting the public to identify house numbers and signs from Street 
View photos as part of its reCAPTCHA anti-spam technology - and feeding the 
data into its online mapping service."

http://www.theregister.co.uk/2012/04/04/google_recaptcha_street_view/

Jim

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[talk-ph] Atlas Trip Recorder

[Jim Morgan]

Just saw this after picking up a flyer in a hardware store
http://www.atlas.com.ph/

Funnily enough the website doesn't ever mention GPS, as that might give the 
game away I guess. :-)

However I did see in the testimonials section there are a few companies using 
the technology. I was wondering if they might turn out to be a repository of 
GPS data, that they might be persuaded to part with ... 

Jim

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