The way I always understood the word survey in an OSM context is physically going somewhere, recording a fact about the geography and adding it to Openstreetmap. The job of a surveyor. I guess it's OK to send somebody else who takes picture or adds POIs for you.
Jo 2014-06-17 21:49 GMT+02:00 André Pirard <[email protected]>: > On 2014-06-17 15:16, Marc Gemis wrote : > > From http://wiki.openstreetmap.org/wiki/Map_Features#Annotation > > source = survey Track from GPS unit (usually GPX fomat) or other > physical survey; suggested addition - survey:date > <http://wiki.openstreetmap.org/wiki/Key:survey:date>=YYYY-MM-DD > > so IMHO checking the position on aerial images is not included > > > According to Key:source <http://wiki.openstreetmap.org/wiki/Key:source>, > > - survey = see above in section "How To Use" > - "How To Use": a survey is a survey, a survey is a survey, > - and, according to the dictionary, survey = "*to inspect* to view in > detail, ... *in order to ascertain* condition, value, etc." > - I doubt that "source:maxspeed > <http://wiki.openstreetmap.org/wiki/Key:source:maxspeed>=Survey 20 > November 2012" was done with a "GPS unit (usually GPX fomat) or other > physical survey": your quote is incoherent with Key:source > <http://wiki.openstreetmap.org/wiki/Key:source> > - in source:XXX=data, XXX is whose key (its name) source applies to > and data is the means of verification like visual and survey, including any > reference to a publication. When XXX does not exist, source applies to all > tags. > - there is no XXX specific to precise location indeed. > > So, to my best understanding of English, *source=survey 2014-04* means > that all data have been verified to be correct on that date. > > *And that's exactly my intention to indicate that all the data of a bus > stop entry has been verified* to spare the next visitor another useless > verification. > > It may happen that there is an error in a TEC entry and, in that case, the > survey date will be later than the import date and a note had better > explain why. > BTW, this has been presented on the Tagging@osm list and nobody denied > the meaning of survey, only someone said that he doesn't like the word > "survey" for that purpose. > > Now if you know a better way, don't hesitate to start suggesting. > > the source should a) contain some reference to TEC, > > and what do you think is *TEC 2014-04*? > or Julien's http://tec-wl.be 2014-04 instead? > > But, as we say, Jo should include that in his file. > > > b) any aerial image you have used (probably Bing). > > all I said doesn't exclude other sources like *Bing 2004* nor anything > else of http://wiki.openstreetmap.org > but I will not make an exhaustive list of what mappers are supposed to > know already > > On 2014-06-17 15:18, Ben Abelshausen wrote : > > "Survey" does mean explicitly that there was an actual survey (meaning, > going to each and every bus station to check if it is there!): > http://wiki.openstreetmap.org/wiki/Survey#How_to_use > > > Survey meaning that there was a survey makes no doubt, but the problem is > defining the word survey which, typically OSM, that article does not. So, I > resorted to a dictionary and it it's a verification by any means, not > necessarily going. > > Checking if it's there, and I'll add "where". > Actually, a plain bus stop is where the bus stops. So, having no bus stop > simply means that the bus doesn't stop. > If TEC says that the bus stops, I have a tendency to believe them, else > who should we believe? ;-) > Now, regarding the shelters, shoulders etc., and exact position, the > police have surveillance cameras to check that no one stole the street. > But we, penniless people, have satellites to check that no one stole bus > stops ;-) In the north, no problem using them. In the south, it needs > some trickery because we cannot copy (yet) orthophotos. The trickery is to > find the bus stop on a viewable-only, recent photo, then to check that it's > at the same place as on Bing, and then to copy it from Bing. Et voilà. > In the rare cases you must go, you can go by bus. Use a delivery itinerary > optimizer and a GPS tracker and buy a round trip tourist ticket. Ask the > driver if he prefers telling you where he would stop exactly or if you're > required to actually push the stop button each time. > > BTW, I have read that it's the way they make their maps. By running > trackers on drivers' GPSes and calculating the mean values. According to > the results obtained by TEC, I would recommend buying several round trip > tickets ;-) > > Just a little bit humorously ;-) > > André. > > regards > > m > > > On Tue, Jun 17, 2014 at 2:55 PM, André Pirard <[email protected]> > wrote: > >> On 2014-06-17 09:21, Marc Gemis wrote : >> >> >> On Mon, Jun 16, 2014 at 11:13 PM, André Pirard <[email protected]> >> wrote: >> >>> If you use *source=survey 2014-06 TEC 2014-04* in bus stops as I >>> recommend, you will both comply with the source requirement and be sure to >>> find the indication that they contain your file's data and can be deleted >>> from the remaining-to-be-updated file. >>> If an existing element does not contain *source=survey 2014-06** TEC >>> 2014-04* or later, it will be kept in the remaining-to-be-updated >>> file. If a mapper further updates the data, he is kindly requested to use >>> a new date such as *source=survey 2014-07* or *source=survey 2014-06-21* >>> . >>> >>> Sorry, but this is not a survey, this is an import. IMHO, you can >> only use survey when you go out and check the exact position of the bus >> stop. A survey is not transforming data from one database format into >> another. So please do not use source=survey. >> >> Survey is not just going out and check the bus position but ITHO >> >> verb <http://dictionary.reference.com/browse/survey> (used with object) >> 2. to view in detail, especially to inspect, examine, or appraise >> formally or officially in order to ascertain condition, value, etc. >> >> that is, ascertaining, making sure that all data associated with the bus >> stop is correct. >> >> Importing the TEC data is the reason for adding/updating *TEC 2014-04* >> (allowing to check that the import was done). >> As the user applying this import is also requested (see instructions) to >> adjust the location of the bus stop (not by going out but simply with Bing >> etc.), all the data will be "ascertained" after doing that (unless other >> data is to be verified) and then the user can add *survey 2014-04* or >> later. >> >> *survey 2014-04* is not an indication of the import but is/should be in >> the imported data as a facility for the user to just copy it instead of >> having to "type" it for each bus stop. He may keep it, change it or delete >> it but you should not tell him not to use it. >> >> So please *do* use source=survey during the import, but (*obviously*) >> *only* after ascertaining all the data. >> It indicates that you have adjusted the location etc... and that it must >> not be done 10 times. >> >> André. >> > > >
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