|Latitude: (13.0, Longitude: 101.5|
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Thailand is a Country in Asia at latitude 13° 0′ 0″ North, longitude 101° 30′ 0″ East.
Lots of work to do here.
There are some users in Thailand, add your own username if you map in Thailand by adding the following category to your user page (you can add your town or city at the same time). [[Category:Users in Thailand|name]]
There is an internet forum (message board) and a Facebook group for people in Thailand where you can talk with others about all things regarding OpenStreetMap (OSM) and in particular about mapping in Thailand. In this forum you can write your posts either in Thai language or in English language. If you have any questions about OpenStreetMap in Thailand, feel free to ask there. Proposals for this page can be added on the WikiProject Thailand Drafts page and discussed in the forum.
A nice tool from geofabrik labs was used to generate an animated gif of Thailand. It shows the progress of OSM in Thailand. A big THANK YOU to the community for making that huge progress. Keep on the good work.
Territory based projects
- Bangkok - Capital city and largest of Thailand's city by far
- Phang Nga - Province in the South West. Some people interested in this area
- Chiang Mai - Province in the North and the 2nd largest city of Thailand
- Phuket - Island province to the South of Thailand
For a list of Nakhon (City), Mueang (Town) and Tambon (Township) see Wikipedia: List of cities in Thailand
- Remote Surveys - Project for collaborative surveys of cities in Thailand
The user-base in Thailand is growing therefore we need to start coordinating.
As OpenStreetMap is a wiki-like project, every user is basically free to choose whatever tags he likes. Over the time some key/value pairs had become standard in the way to tag things. These are documented in the wiki, a good starting point is the Map Features page.
For Thailand some specialties exist in how to tag things here. This page lists only the things that are handled special in Thailand.
When conventions are final they will appear on this page, if they are still under discussion they will be listed on the Talk page.
- Thailand, Laos, Cambodia, Vietnam: Billingual, local (e.g. Thai) and English
- World: Several languages. Hint: Select "osm-labels-de" for Thai.
Background according to Wikipedia:
- "In linguistics, romanization or latinization, alternately spelt as latinisation or romanisation (see spelling differences), is the representation of a written word or spoken speech with the Roman (Latin) alphabet, or a system for doing so, where the original word or language uses a different writing system (or none). Methods of romanization include transliteration, for representing written text, and transcription, for representing the spoken word." Reference: wikipedia: Romanization.
- "The Royal Thai General System of Transcription (RTGS) is the official system for rendering Thai language words in the Latin alphabet, published by The Royal Institute of Thailand. It is used in road signs and government publications, and is the closest thing to a standard of transcription for Thai, though its use by even the government is inconsistent." References: wikipedia: Royal Thai General System of Transcription and wikipedia: ISO 11940.
How to get the transcription of names:
- Collect it from signs when collecting data. Map users will compare to signs.
- Wikipedia, other sources on the internet or for names of administrative organisations The Royal Institute: CHANGWAT, KHET, AMPHOE AND KING AMPHOE DIRECTORY.
- Use the program for Windows Chulalongkorn University: Thai Romanization Program.
- Transcribe yourself according to wikipedia: Royal Thai General System of Transcription.
- name=ภูเก็ต. Local language Thai. Note: There's an ongoing discussion in regard to brand names
- name:th=ภูเก็ต. Thai.
- name:en=Phuket. "Romanization".
The renderer can create maps in one or two languages:
- Thai only: e.g. ภูเก็ต
- English only: e.g. Phuket
- Bilingual: e.g. ภูเก็ต Phuket just by using the name and the name:en value.
People who can read Thai will prefer the names in Thai due to reasons discussed in wikipedia: Royal Thai General System of Transcription (RTGS). Other people will prefer the transcription of names in Roman characters. When using the map and comparing names to signs or when asking Thai people for help a bilingual map is convenient.
The table shows the classification of the highways used in Thailand for OSM and typical tagging examples. It follows the numbering scheme issued by the Thai authorities - with exception for trunk classification.
But over time e.g. a three-digit highway may become in total or in sections the importance and the standard of a two-digit (primary) or even of a one-digit (trunk) highway. In these cases all or larger sections of this highway can be classified higher. The same applies for urban highways. An unclassified highway without number can be classified tertiary.
In some cases a section of a trunk or primary road that crosses an urban area has lost its role as the fastest route due to a newer road around that urban area. In those cases the bypassed section can be classified lower and the newer and faster way around be upgraded to the bypassed section's former classification.
Please note that there is an active discussion about changing the classification scheme on the [forum], and this scheme may change soon.
See also the Thai highway network article on Wikipedia.
|Official classification||Reference number||OSM tagging
|highway=motorway||Roads tagged as motorway should be controlled-access highways. They do not provide access to properties, and are not accessible to motorcycles or pedestrians. They are often tolled.|
|Motorway (ทางหลวงพิเศษ, special highway)||
One or two digits, beginning with 5–9
7, 9, 35, 338
|highway=trunk||Green-background signs denote routes which are legally designated as motorways but currently lack full access control. They are usually accessible to motorcycles, and may provide access to adjacent properties. They should be tagged as highway=trunk (see below).|
|National Highway (ทางหลวงแผ่นดิน)||
One digit, beginning with 1–4
|Trunk classification should be applied to roads that look like motorways and are geared towards fast far-distance traffic, but are toll free and with unrestricted access; even bicycles and pedestrians may use them. Characteristics include:
If sections of other highways fulfil the above specification, those sections should also be classified as trunk roads.
Two digits, beginning with 1–4
Primary roads are built for long-distance travel, typically beyond province borders. They are mostly 1, 2 or 3 digit roads that do not meet trunk standards.
Typical features of primaries are:
Three digits, beginning with 1–4
Four digits, beginning with 1–4
|highway=secondary||Secondary roads are major roads inside a province.
E.g. Highway 3278: Min Buri - Bang Kapi (Bangkok)
Typical features of secondaries are:
Note that new roads often receive a 4-digit reference number, regardless of their importance - they might also be primaries or tertiaries.
|Rural road (ทางหลวงชนบท, rural highway)||
Two-letter province code and four digits
||E.g. Highway ยส.4011:, a rural road in the province Yasothon
Note that the provincial code is an integral part of the reference number. If you cannot type Thai characters, use e.g. "xx" to denote the presence of the provincial code rather than omitting it completely.
Roads that have a provincial prefix in their reference number should be tagged with ref=pf.nnnn where pf is the provincial prefix in Thai characters, followed by a dot, followed by the numerical portion of the reference number. There should be no spaces in the ref tag value.
|Concession highway (ทางหลวงสัมปทาน)||N/A||N/A||Concession highway is an administrative classification. Classification should follow the road's characteristics.|
|Local route (ทางหลวงท้องถิ่น, local highway)||สท.ถ1-0011
(Administrative reference, usually not signposted)
|highway=unclassified||Typically unclassified roads in Thailand are the roads having no designated number and connect villages to major highways. Unclassified is used for minor public roads typically at the lowest level of the interconnecting grid network. Unclassified roads have lower importance in the road network than tertiary roads, and are not residential streets or agricultural tracks. Unclassified roads are considered usable by motor cars.
The photo shows a milestone located in Sukhothai province illustrating the fact that some local highways are marked in this fashion.
- Map Features #Highway
- Highway tag usage
- Tagging samples/out of town
- Tagging samples/urban
- Asia/Asian Highway Network
- PTT ป ต ท
- Bangchak บางจาก
- PETRONAS ปิโตรนาส
- PT พีที
- Caltex คาลเท็กซ์
- Esso เอสโซ่
- Shell เซลล์
- SUSCO Siam United Services Public Company Limited สยามสหบริการมหาชน จำกัด
The fuel types can be tagged as described here Tag:amenity=fuel.
|waterway=riverbank||Used for larger rivers (more than 12m wide), to define an area between the opposite riverbanks.|
|waterway=river||Larger river, แม่น้ำ (Mae Nam). Typically wider than 5m. If the waterway is smaller than 5 meters you should consider using waterway=stream instead.|
|waterway=stream||Naturally formed waterway. Typically smaller than 2m, but can be used up to 5m (e.g. if the water is not deep and people can walk through it).|
|waterway=canal||If the name of the waterway contains the word "Khlong" (Thai: คลอง) or if it looks like a typical canal or khlong we should tag it as "canal". Add boat=* where appropriate.|
|waterway=ditch||If the waterway is significant smaller than a typical canal (less than 2 meters), chances are good that it is a "ditch".|
|waterway=drain||If it is made out of concrete (คอนกรีต) or build from other hard materials, it is maybe a "drain". A drain must not nessessarily contain water all the time. In dry seasons it could be dry and only be filled while it is raining! If the width exceeds 3 meters and the drain does contain water most of the time consider using waterway=canal instead.|
- Kingdom of Thailand > province > district > subdistrict > village
- Ratcha Anachak Thai > changwat > amphoe > tambon > muban
- ราชอาณาจักรไทย > จังหวัด > อำเภอ > ตำบล > หมู่บ้าน).
The local administration is administrated locally under the support of Department of Local Administration:
- county (Provincial Administrative Organization (PAO), องค์การบริหารส่วนจังหวัด (อบจ)): same boundary as province.
- municipality (thesaban, เทศบาล) has 3 classes:
- city (thesaban nakhon, เทศบาลนคร)
- town (thesaban mueang, เทศบาลเมือง)
- township (thesaban tambon, เทศบาลตำบล).
- A municipality can cover
- a whole district, e.g. wikipedia: Ko Samui;
- a district partially;
- a whole subdistrict, e.g. the city Khon Kaen covers the whole subdistrict Nai Mueang (wikipedia: Amphoe Mueang Khon Kaen);
- parts of more than one subdistrict, e.g. wikipedia: Nakhon Phanom;
- a subdistrict partially.
- in very rare cases can cover area from two districts
- tambon (Tambon Administrative Organization (TAO), องค์การบริหารส่วนตำบล (อบต)
- can cover one or more adjoining subdistricts in the same district, also subdistricts partially if area shared with a municipality.
- community (chumchon, ชุมชน)
- is administrated by a municipality and can be part of a subdistrict or cover parts of more than one subdistrict. Sometimes they share the same area as the Muban within the municipality
There are two special cases:
- Bangkok Metropolitan
- is divided into khet (เขต) which are divided into khwaeng (แขวง).
- is both a local administration as well as at province level
- City of Pattaya
- is part of but not administrated by Amphoe Bang Lamung. This is not reflected here and probably can't be tagged in OSM anyhow.
- there are more special administrative areas in planning to be similar with Pattaya, i.e. Mae Sot, Ko Samui, Hua Hin Cha-am.
The table shows the values for Key:admin_level and for Key:place. Municipality extends in parallel to subdistrict and may be more or less than one subdistrict. 10 administrative levels are used. The table lists the terms for the administrative units in English, Romanized Thai and Thai.
|Country||Administrative levels Key:admin_level and Key:place|
|N/A||Kingdom of Thailand||N/A|| Province /
|N/A|| District /
|N/A|| Subdistrict /
| Municipality City place=city
Municipality Town place=town
Municipality Township place=town
Tambon Administrative Organization (TAO) place=village
| Community |
|-||Ratcha Anachak Thai||-|| Changwat /
|-|| Amphoe /
|-|| Tambon /
| Thesaban Nakhon place=city
Thesaban Mueang place=town
Thesaban Tambon place=town
Tambon Administrative Organization (TAO) place=village
| Chumchon |
|-||ราชอาณาจักรไทย||-|| จังหวัด /
|-|| อำเภอ /
|-|| ตำบล /
| เทศบาลนคร place=city
องค์การบริหารส่วนตำบล (อบต.) place=village
| ชุมชน |
In Thailand addresses general consist of
|English||Romanized Thai||Thai||Romanized Thai||addr=*|
|hamlet||Muban (Mu)||หมู่บ้าน (หมู่)||Mu 2||addr:hamlet|
In addition to a survey with GPS one may also use some aerial images if available with a suitable license.
|Pay attention to a misalignment of Bing aerials as well as Landsat imagery. Always verify alignment with GPS tracks and realign images when needed.|
World of maps contains a map of Thailand that is in the public domain