Re: [Tagging] Drain vs ditch

вс, 24 февр. 2019 г. в 02:56, Paul Allen : > Yes, we can merge the tags and have drain for both. I'm still wondering why "drain", not "ditch", should be kept in the case of merging the tags. Cheers, Eugene вс, 24 февр. 2019 г. в 02:56, Paul Allen : > On Sat, 23 Feb 2019 at 23:33, Hufkratzer

Re: [Tagging] Drain vs ditch

On Sat, 23 Feb 2019 at 23:33, Hufkratzer wrote: > On 23.02.2019 18:47, Paul Allen wrote: > > [...] As I see it, ditches are unlined. [...] > > > I googled for "ditch lining irrigation" and got these examples for lined > ditches: > > - >

Re: [Tagging] Drain vs ditch

On 23.02.2019 18:47, Paul Allen wrote: [...] As I see it, ditches are unlined. [...] I googled for "ditch lining irrigation" and got these examples for lined ditches: - http://www.northwestlinings.com/services-available/installation-services/irrigation-ditch-liner-system/ -

Re: [Tagging] Drain vs ditch

On Sat, 23 Feb 2019 at 17:19, Hufkratzer wrote: > > Irrigate with drains? This was the original question of the whole ditch > vs. drain discussion (see > ( > https://lists.openstreetmap.org/pipermail/tagging/2019-January/042047.html). > > It seems to be a contradiction to what wikipedia explains

Re: [Tagging] Drain vs ditch

On 23.02.2019 00:09, Graeme Fitzpatrick wrote: > [...] > =drain: Use waterway=drain for artificial waterways, typically lined with concrete or similar, usually used to carry water for drainage or irrigation purposes. > [...] Irrigate with drains? This was the original question of the whole

Re: [Tagging] Drain vs ditch

This will not suit the situation in Nederland, as explained earlier in this thread. We would have tons of exceptions on all the ‘ usually’s’ and ‘ typically’s’. Fr gr Peter Elderson > Op 23 feb. 2019 om 00:09 heeft Graeme Fitzpatrick het > volgende geschreven: > > >> On Fri, 22 Feb 2019 at

Re: [Tagging] Drain vs ditch

On Fri, 22 Feb 2019 at 20:48, Eugene Podshivalov wrote: > The primary concern of mine about the current definitios of drain and > ditch is that some people are differentiating them by size. > > or stay close to dictionary definitions which assumes some overlapping > between the meanings. Here is

Re: [Tagging] Drain vs ditch

The primary concern of mine about the current definitios of drain and ditch is that some people are differentiating them by size. Since there is no consent on "drain" tag deprecation, I suggest to at least correct the current definitions to prevent the misuse. We can either make a clear

Re: [Tagging] Drain vs ditch

ср, 20 февр. 2019 г. в 02:30, Warin <61sundow...@gmail.com>: > On 19/02/19 20:40, Eugene Podshivalov wrote: > > Canals and ditches are artificial channels carrying naturual water > > this suggests there is 'unnatural' water... > What does "unnatural" water mean to you? To me, "natural" means

Re: [Tagging] Drain vs ditch

On 19/02/19 21:21, Tony Shield wrote: I'm not in favour of combining ditch and drain. My mind sees a ditch as a dug-out stream which may flow into a stream or flow into a drain, the drain being a much larger flow. I see drains as  having water flow several metres wide but a ditch as less

Re: [Tagging] Drain vs ditch

On 19/02/19 20:40, Eugene Podshivalov wrote: Canals and ditches are artificial channels carrying naturual water this suggests there is 'unnatural' water... , so are the channels of a straightened river or stream. imho there is not difference between them. No difference to the water (natural

Re: [Tagging] Drain vs ditch

I'm not in favour of combining ditch and drain. My mind sees a ditch as a dug-out stream which may flow into a stream or flow into a drain, the drain being a much larger flow. I see drains as having water flow several metres wide but a ditch as less than a metre of surface flow. TonyS On

Re: [Tagging] Drain vs ditch

Canals and ditches are artificial channels carrying naturual water, so are the channels of a straightened river or stream. imho there is not difference between them. If we had such sections tagged as artificial waterways it would be possible to calculate statistics on man's impact on natural

Re: [Tagging] Drain vs ditch

On Mon, 18 Feb 2019 at 23:30, Graeme Fitzpatrick wrote: > > On Tue, 19 Feb 2019 at 09:23, Paul Allen wrote: > >> >> According to a sketch in a comedy show from so long ago I can barely >> remember it, the source >> of the River Thames was traced to a dripping tap. Which was fixed and >> the

Re: [Tagging] Drain vs ditch

On Tue, 19 Feb 2019 at 09:23, Paul Allen wrote: > > According to a sketch in a comedy show from so long ago I can barely > remember it, the source > of the River Thames was traced to a dripping tap. Which was fixed and the > river dried up. > > I don't think it was Monty Python, though it might

Re: [Tagging] Drain vs ditch

On Mon, 18 Feb 2019 at 22:50, Eugene Podshivalov wrote: > Any river starts as a waterway=stream which is some kind of a wooden leg, > isn't it > According to a sketch in a comedy show from so long ago I can barely remember it, the source of the River Thames was traced to a dripping tap. Which

Re: [Tagging] Drain vs ditch

*a wooden head*, to be more precise ) Cheers, Eugene вт, 19 февр. 2019 г. в 01:48, Eugene Podshivalov : > Any river starts as a waterway=stream which is some kind of a wooden leg, > isn't it? > > Cheers, > Eugene > > вт, 19 февр. 2019 г. в 01:31, Graeme Fitzpatrick : > >> >> >> On Tue, 19 Feb

Re: [Tagging] Drain vs ditch

Any river starts as a waterway=stream which is some kind of a wooden leg, isn't it? Cheers, Eugene вт, 19 февр. 2019 г. в 01:31, Graeme Fitzpatrick : > > > On Tue, 19 Feb 2019 at 06:11, Paul Allen wrote: > >> On Mon, 18 Feb 2019 at 19:50, Martin Koppenhoefer >> wrote: >> >>> >>> >>> Am Mo.,

Re: [Tagging] Drain vs ditch

On Tue, 19 Feb 2019 at 06:11, Paul Allen wrote: > On Mon, 18 Feb 2019 at 19:50, Martin Koppenhoefer > wrote: > >> >> >> Am Mo., 18. Feb. 2019 um 19:41 Uhr schrieb Eugene Podshivalov < >> yauge...@gmail.com>: >> >>> There are a lot of straightened rivers and streams all over the world. >>> Would

Re: [Tagging] Drain vs ditch

On Mon, 18 Feb 2019 at 19:50, Martin Koppenhoefer wrote: > > > Am Mo., 18. Feb. 2019 um 19:41 Uhr schrieb Eugene Podshivalov < > yauge...@gmail.com>: > >> There are a lot of straightened rivers and streams all over the world. >> Would it make sense to tag the straightened sections as

Re: [Tagging] Drain vs ditch

Am Mo., 18. Feb. 2019 um 19:41 Uhr schrieb Eugene Podshivalov < yauge...@gmail.com>: > There are a lot of straightened rivers and streams all over the world. > Would it make sense to tag the straightened sections as canal/ditch/drain > rather than river/stream? > I would not generally do it,

Re: [Tagging] Drain vs ditch

There are a lot of straightened rivers and streams all over the world. Would it make sense to tag the straightened sections as canal/ditch/drain rather than river/stream? Cheers, Eugene пн, 11 февр. 2019 г. в 22:07, Eugene Podshivalov : > пн, 11 февр. 2019 г. в 19:19, Hufkratzer : > >> This

Re: [Tagging] Drain vs ditch

пн, 11 февр. 2019 г. в 19:19, Hufkratzer : > This would require to deprecate "drain" and remove it from the presets, > otherwise we will continue to have 2 tags in the long run. As far as I > know deprecating a tag is only possible if it's usage declines. Currently > its usage increases

Re: [Tagging] Drain vs ditch

On 10.02.2019 14:57, Eugene Podshivalov wrote: [...} *Variant #2* Combine "ditch" and "drain" tags into one. [...} Personally I lean toward variant 2 [...} This would require to deprecate "drain" and remove it from the presets, otherwise we will continue to have 2 tags in the long run. As far

Re: [Tagging] Drain vs ditch

sent from a phone On 10. Feb 2019, at 13:28, Eugene Podshivalov wrote: >> (tunnel=culvert and man_made=pipeline) > tunnel=culvert is supposed to be used with waterway=*, isn't it? yes, what I meant was either tunnel=culvert with a waterway tag, or man_made=pipeline location=underground.

Re: [Tagging] Drain vs ditch

On Sun, 10 Feb 2019 15:28:00 +0300 Eugene Podshivalov wrote: > > > > пн, 4 февр. 2019 г. в 02:55, Martin Koppenhoefer > > > >: > > there is established tagging for buried man made waterways > > (tunnel=culvert and man_made=pipeline) > > tunnel=culvert is supposed to be used with

Re: [Tagging] Drain vs ditch

Short summary of what we have ended up with so far. - *Variant #1* Keep both "drain" and "ditch" tags but update their definitions to make a clear cut between the meanings: drain - Small artificial free flow waterways usually lined with concrete or > similar used for carrying away

Re: [Tagging] Drain vs ditch

> > пн, 4 февр. 2019 г. в 02:55, Martin Koppenhoefer >: > there is established tagging for buried man made waterways (tunnel=culvert > and man_made=pipeline) tunnel=culvert is supposed to be used with waterway=*, isn't it? Cheers, Eugene пн, 4 февр. 2019 г. в 02:55, Martin Koppenhoefer : > >

Re: [Tagging] Drain vs ditch

sent from a phone > On 3. Feb 2019, at 02:12, Michael Patrick wrote: > > and 'drain_open' or some such to distinguish it from subterranean drains ( > despite being buried, these are actually sometime more visible than the > ditches on aerial / sat photography ). there is established

Re: [Tagging] Drain vs ditch

sent from a phone > On 2. Feb 2019, at 18:22, Markus wrote: > > While i'm unsure that a mass edit is worth it, i see no > problem in introducing waterway=ditch + usage=drainage as an > alternative way to tag drainage ditches. this would work nicely for these cases, but it would not bring

Re: [Tagging] Drain vs. ditch

Date: Sat, 2 Feb 2019 17:12:33 -0800 From: Michael Patrick To: tagging@openstreetmap.org Subject: Re: [Tagging] Drain vs ditch A survey of international and some national lexicons indicates that the two terms 'ditch' and 'drain' are equivalent used in the context of liquids from the smallest

Re: [Tagging] Drain vs ditch

вс, 3 февр. 2019 г. в 16:38, Paul Allen : > Yes, we could switch to calling them all drains and then adding > lined=yes/no, but we already > have ditch and drain. I think it's better to fix the wiki than do that. If it was to select just one tag for the two notions, I would choose "ditch", not

Re: [Tagging] Drain vs ditch

On Sun, 3 Feb 2019 at 10:53, Eugene Podshivalov wrote: > > There are distinctions between these two terms, otherwise they would not > be defined separately. > In simple words, a ditch is a small open-air man-made or self-formed > channel in the ground for absolutely any purpose, both lined or

Re: [Tagging] Drain vs ditch

Michael, thank you very much for such in-depth analysis. I would conclude the following from it. There are distinctions between these two terms, otherwise they would not be defined separately. In simple words, a ditch is a small open-air man-made or self-formed channel in the ground for

Re: [Tagging] Drain vs ditch

A survey of international and some national lexicons indicates that the two terms 'ditch' and 'drain' are equivalent used in the context of liquids from the smallest to largest scales. The term 'drain' however seems mostly to apply at the interface where the water transitions from the substrate (

Re: [Tagging] Drain vs. ditch

Date: Sat, 2 Feb 2019 16:49:54 +0100 From: Peter Elderson To: "Tag discussion, strategy and related tools" Subject: Re: [Tagging] Drain vs. ditch Who is to decide? Mvg Peter Elderson Op 2 feb. 2019 om 15:38 heeft EthnicFood IsGreat het volgende geschreven: Date: S

Re: [Tagging] Drain vs ditch

On Sat, 2 Feb 2019 at 14:23, Hufkratzer wrote: > > If we were discussing a proposal I would agree, but replacing > waterway=drain by waterway=ditch + usage=drainage or sth. like that is > not such an easy task. We already have 800k drains. I assume it > requires a proposal with volting to

Re: [Tagging] Drain vs ditch

Not all ditches can be called drains and not all drains can be called ditches and there is some overlapping in their meanings which causes the confusion. I see three ways to go: 1. Define the basic meanings from dictionaries and let users decide on which tag to use, similar to Peter Elderson's

Re: [Tagging] Drain vs. ditch

Who is to decide? Mvg Peter Elderson > Op 2 feb. 2019 om 15:38 heeft EthnicFood IsGreat > het volgende geschreven: > > >> Date: Sat, 02 Feb 2019 14:22:20 +0100 >> From: Hufkratzer >> To: "Tag discussion, strategy and related tools" >>

Re: [Tagging] Drain vs ditch

If there is a drain worth mapping, I will map it as a drain. If the drain has the form of a ditch and I can see its only function is to be a drain, I will map a drain. Size and lining may be indicators, not definers. If a ditch has unclear function or multiple functions, I will map a ditch. If

Re: [Tagging] Drain vs. ditch

Date: Sat, 02 Feb 2019 14:22:20 +0100 From: Hufkratzer To: "Tag discussion, strategy and related tools" Subject: Re: [Tagging] Drain vs ditch If we were discussing a proposal I would agree, but replacing waterway=drain by waterway=ditch + usage=drainage or

Re: [Tagging] Drain vs. ditch

Date: Sat, 2 Feb 2019 11:20:01 +0100 From: Sergio Manzi To: tagging@openstreetmap.org Subject: Re: [Tagging] Drain vs ditch Thank-you for confirming that, Mark. Personally I think we, in OSM, should stop with this folly of overloading English words with meanings they do not have in *any

Re: [Tagging] Drain vs ditch

I have no objection to remove the lined/unlined characteristic from the definitions but am not sure about leaving just one tag for both "ditch" and "drain" notions. Here are some examples to consider. 1. Industrial drains are not always digged out. The channal in the ground may get formed by the

Re: [Tagging] Drain vs. ditch

Date: Sat, 2 Feb 2019 02:07:00 +0300 From: Eugene Podshivalov To: "Tag discussion, strategy and related tools" Subject: Re: [Tagging] Drain vs ditch The direct images got blocked. So here are the links. Drainage ditches: https://ak2.picdn.net/shutterstock/videos/3296402

Re: [Tagging] Drain vs ditch

If we were discussing a proposal I would agree, but replacing waterway=drain by waterway=ditch + usage=drainage or sth. like that is not such an easy task. We already have 800k drains. I assume it requires a proposal with volting to deprecate drain, adaption of the presets, perhaps a mass

Re: [Tagging] Drain vs ditch

+1 N > On 2 Feb 2019, at 10:39 pm, Markus wrote: > >> On Sat, 2 Feb 2019 at 11:21, Sergio Manzi wrote: >> >> Thank-you for confirming that, Mark. >> >> Personally I think we, in OSM, should stop with this folly of overloading >> English words with meanings they do not have in any

Re: [Tagging] Drain vs ditch

On Sat, 2 Feb 2019 at 11:21, Sergio Manzi wrote: > > Thank-you for confirming that, Mark. > > Personally I think we, in OSM, should stop with this folly of overloading > English words with meanings they do not have in any dictionary (be it AmE, > BrE, CaE, or whatever). > > Both the "ditch" and

Re: [Tagging] Drain vs ditch

On Fri, Feb 01, 2019 at 10:22:30PM +, Paul Allen wrote: > On Fri, 1 Feb 2019 at 22:09, Sergio Manzi wrote: > > > If you think it is important to differentiate between lined vs. unlined > > minor waterways (*and I'm not objecting to that*), I guess the best > > option would be to use a

Re: [Tagging] Drain vs ditch

On Sat, Feb 02, 2019 at 12:22:01AM -0800, Mark Wagner wrote: > > My copy of the Oxford English Dictionary has about a page of > definitions for "ditch" and "drain", and not a hint that either of them > needs to be lined. +1 ___ Tagging mailing list

Re: [Tagging] Drain vs ditch

Thank-you for confirming that, Mark. Personally I think we, in OSM, should stop with this folly of overloading English words with meanings they do not have in *any *dictionary (be it AmE, BrE, CaE, or whatever). Both the "ditch" and "drain" words *can *be used to describe certain features in

Re: [Tagging] Drain vs ditch

There are two cases when I'm in doubt when choosing between "drainage ditch" and "drain". 1. https://upload.wikimedia.org/wikipedia/commons/2/25/Lake_tahoe_storm_drain_el_dorado_beach_2.jpg I would call the pipe a "drain", but is the channal in the ground carrying industrial discharge after the

Re: [Tagging] Drain vs ditch

My copy of the Oxford English Dictionary has about a page of definitions for "ditch" and "drain", and not a hint that either of them needs to be lined. -- Mark On Sat, 2 Feb 2019 01:28:10 +0100 Sergio Manzi wrote: > I know, that's why I asked for a good one... > > On 2019-02-02 01:23,

Re: [Tagging] Drain vs ditch

I know, that's why I asked for a good one... On 2019-02-02 01:23, Joseph Eisenberg wrote: > Dictionary.com usually provides definitions in American English, so it > wouldn’t be a good source. > > On Sat, Feb 2, 2019 at 8:35 AM Sergio Manzi > wrote: > > Please point me to

Re: [Tagging] Drain vs ditch

Dictionary.com usually provides definitions in American English, so it wouldn’t be a good source. On Sat, Feb 2, 2019 at 8:35 AM Sergio Manzi wrote: > Please point me to a dictionary defining "drain" as a "lined ditch" or in > any way stating that a drain must be lined, because I tried and I

Re: [Tagging] Drain vs ditch

Please point me to a dictionary defining "drain" as a "lined ditch" or in any way stating that a drain must be lined, because I tried and I failed. Best I found is in dictionary.com  that (/under /"/Physical Geography/") define it as 1. an artificial watercourse, as a ditch or trench. 2. a

Re: [Tagging] Drain vs ditch

The direct images got blocked. So here are the links. Drainage ditches: https://ak2.picdn.net/shutterstock/videos/32964022/thumb/12.jpg https://upload.wikimedia.org/wikipedia/commons/8/8d/Drainage_Ditch_at_New_Eskham_Farm_-_geograph.org.uk_-_1170959.jpg Drains:

Re: [Tagging] Drain vs ditch

On Fri, 1 Feb 2019 at 22:43, Sergio Manzi wrote: > So, how do you tag drains which are not lined? > Ditch. Because, physically, that's what it is. -- Paul ___ Tagging mailing list Tagging@openstreetmap.org

Re: [Tagging] Drain vs ditch

Right in these days you can read in the Italian newspapers of an industry having contaminated with industrial sewage an area inhabited by 300.000... And let's not get started with what we /"westerns" /normally call "the third world"... So, how do you tag drains which are not lined? On

Re: [Tagging] Drain vs ditch

On Fri, 1 Feb 2019 at 22:37, Eugene Podshivalov wrote: > Here are some pictures to make the difference between drainage ditches and > drain clear. > Drainage ditches: > [image: image.png] > [image: image.png] > > Drains > [image: image.png] > [image: image.png] > [image: image.png] > [image:

Re: [Tagging] Drain vs ditch

Here are some pictures to make the difference between drainage ditches and drain clear. Drainage ditches: [image: image.png] [image: image.png] Drains [image: image.png] [image: image.png] [image: image.png] [image: image.png] Cheers, Eugene сб, 2 февр. 2019 г. в 01:29, Sergio Manzi : > I'm

Re: [Tagging] Drain vs ditch

On Fri, 1 Feb 2019 at 22:29, Sergio Manzi wrote: > I'm pretty sure that's the case in UK, but are you willing to bet on all > drains (*e.g. industrial*) of the world being lined? > I wouldn't bet on that one. However, OSM uses British English terminology. Then again, I would hope an industrial

Re: [Tagging] Drain vs ditch

I'm pretty sure that's the case in UK, but are you willing to bet on all drains (/e.g. industrial/) of the world being lined? On 2019-02-01 23:22, Paul Allen wrote: > On Fri, 1 Feb 2019 at 22:09, Sergio Manzi mailto:s...@smz.it>> > wrote: > > If you think it is important to differentiate

Re: [Tagging] Drain vs ditch

On Fri, 1 Feb 2019 at 22:09, Sergio Manzi wrote: > If you think it is important to differentiate between lined vs. unlined > minor waterways (*and I'm not objecting to that*), I guess the best > option would be to use a specific tag (lined=* ?) > As I understand it, Ordnance Survey maps in the

Re: [Tagging] Drain vs ditch

If you think it is important to differentiate between lined vs. unlined minor waterways (/and I'm not objecting to that/), I guess the best option would be to use a specific tag (lined=* ?) IMHO relying on the tagger knowledge of the OSM dictionary semantic subtleties (/which sometimes happen

Re: [Tagging] Drain vs ditch

To map drains that are not ditches? Mvg Peter Elderson > Op 1 feb. 2019 om 02:50 heeft Warin <61sundow...@gmail.com> het volgende > geschreven: > > It appears in the descriptions that a 'ditch' can be used as a 'drain'. So > why have a tag 'drain'?

Re: [Tagging] Drain vs ditch

On 01.02.2019 02:50 Warin wrote: It appears in the descriptions that a 'ditch' can be used as a 'drain'. So why have a tag 'drain'? Only if the water comes from wet land, not when it is industrial discharge (compare https://lists.openstreetmap.org/pipermail/tagging/2019-January/042543.html )

Re: [Tagging] Drain vs ditch

On Fri, 1 Feb 2019 at 11:51, Warin <61sundow...@gmail.com> wrote: > It appears in the descriptions that a 'ditch' can be used as a 'drain'. So > why have a tag 'drain'? > Really only to differentiate between lined & unlined, which I *think* may be important / needed? Thanks Graeme

Re: [Tagging] Drain vs ditch

On Fri, 1 Feb 2019 at 02:51, Warin <61sundow...@gmail.com> wrote: > > It appears in the descriptions that a 'ditch' can be used as a 'drain'. So > why have a tag 'drain'? I wouldn't oppose. > The only differences I have between canal and the other things is large verse > small and usefull

Re: [Tagging] Drain vs ditch

Ciao Sergio, On Thu, 31 Jan 2019 at 23:46, Sergio Manzi wrote: > > My only marginal objection is for canal: why don't you ditch (pun > intended...) the "used to carry useful water for transportation, hydro-power > generation, irrigation or land drainage purposes" clause? > > Are there any

Re: [Tagging] Drain vs ditch

It appears in the descriptions that a 'ditch' can be used as a 'drain'. So why have a tag 'drain'? The only differences I have between canal and the other things is large verse small and usefull quantity. Rather subjective, not a objective measurement. If the differences as so arbitrary why

Re: [Tagging] Drain vs ditch

Yes, great descriptions! My only marginal objection is for canal: why don't you ditch (pun intended...) the "/used to carry useful water for transportation, hydro-power generation, //irrigation or land drainage purposes/" clause? Are there any other "/Large man-made open flow (free flow vs

Re: [Tagging] Drain vs ditch

Hi Markus, I find your amendments great. Cheers, Eugene чт, 31 янв. 2019 г. в 20:29, Markus : > Hi Eugene > > Thanks for your summary! [^1] I'm in favour of the proposed > definitions and would welcome if the clarifications regarding size you > made here [^2] were included in the definitions,

Re: [Tagging] Drain vs ditch

Hi Eugene Thanks for your summary! [^1] I'm in favour of the proposed definitions and would welcome if the clarifications regarding size you made here [^2] were included in the definitions, like for example (*additions*, ~~deletions~~): canal - Large man-made open flow (free flow vs pipe flow)

Re: [Tagging] Drain vs. ditch

e: 4 > > Date: Wed, 30 Jan 2019 13:15:41 +0300 > > From: Eugene Podshivalov > > To: "Tag discussion, strategy and related tools" > > > > Subject: Re: [Tagging] Drain vs ditch > > > > ср, 30 янв. 2019 г. в 13:02, Warin <61sundow...@gmail.c

Re: [Tagging] Drain vs. ditch

Message: 4 Date: Wed, 30 Jan 2019 13:15:41 +0300 From: Eugene Podshivalov To: "Tag discussion, strategy and related tools" Subject: Re: [Tagging] Drain vs ditch ср, 30 янв. 2019 г. в 13:02, Warin <61sundow...@gmail.com>: Large means? Small means? To me I'd use sm

Re: [Tagging] Drain vs ditch

ср, 30 янв. 2019 г. в 13:02, Warin <61sundow...@gmail.com>: > Large means? > Small means? > > To me I'd use small = I can step over it, large means I cannot step over > it .. so ~1.1 metres is the line between the two. > Drains and ditches can be 0.1 to 5 metres wide. You can hardly step over a

Re: [Tagging] Drain vs ditch

Those descriptions look good On Wed, Jan 30, 2019 at 5:58 PM Eugene Podshivalov wrote: > Here is a summary of the discussion to check if there is a consensus. > > Current definitions of artificial waterways are unclear and ambiguous. > Some people assume that ditch and drain differ mainly in

Re: [Tagging] Drain vs ditch

Large means? Small means? To me I'd use small = I can step over it, large means I cannot step over it .. so ~1.1 metres is the line between the two. On 30/01/19 19:56, Eugene Podshivalov wrote: Here is a summary of the discussion to check if there is a consensus. Current definitions of

Re: [Tagging] Drain vs ditch

Here is a summary of the discussion to check if there is a consensus. Current definitions of artificial waterways are unclear and ambiguous. Some people assume that ditch and drain differ mainly in size, others differentiate them mainly on liquid type (can or cannot carry industrial discharge),

Re: [Tagging] Drain vs ditch

Le 29.01.19 à 16:13, Eugene Podshivalov a écrit : > How to we proceed with this topic? Should a proposal be created or the > wiki pages can be updated straight away by someone or myself based on > this discussion? maybe it's a good idea to write a small-summary-only post to check if there is a

Re: [Tagging] Drain vs ditch

How to we proceed with this topic? Should a proposal be created or the wiki pages can be updated straight away by someone or myself based on this discussion? Cheers, Eugene вс, 27 янв. 2019 г. в 17:22, Paul Allen : > On Sun, 27 Jan 2019 at 10:37, Eugene Podshivalov > wrote: > >> When drain and

Re: [Tagging] Drain vs ditch

On Sun, 27 Jan 2019 at 10:37, Eugene Podshivalov wrote: > When drain and ditch were originally introduced, was it supposed to > differentiate them in size? > If you read the current definitions closely you can notice the following: > [...] My guess is that this is a practical matter rather than

Re: [Tagging] Drain vs ditch

When drain and ditch were originally introduced, was it supposed to differentiate them in size? If you read the current definitions closely you can notice the following: https://wiki.openstreetmap.org/wiki/Key:waterway ditch - An *small* artificial free flow waterway used for carrying superfluous

Re: [Tagging] Drain vs ditch

Same here. Drains we don't have that much (almost none), but many many ditches of all sizes ('sloot') and canals of all sizes ('vaart', 'gracht', 'singel'). They carry and store water to and from the land: the whole system is designed to keep ground water levels fixed in dry times as well as wet

Re: [Tagging] Drain vs ditch

> > The question that still remains is: what does "small" and "large" mean? I daresay there is no way and no need to clarify the meanings of "small" and "large" for artificial waterways. We can leave this up to the user to decide on it. Even the definition of a steam as "you can jump over it" is

Re: [Tagging] Drain vs ditch

On Wed, 16 Jan 2019 at 13:40, Eugene Podshivalov wrote: > > ditch - Small artificial free flow waterways used for irrigating or draining > land as well as for deviding land. Irrigation ditches can be lined or > unlined, drainage ditches are usually unlined. Consider using waterway=canal > for

Re: [Tagging] Drain vs. ditch

Date: Wed, 16 Jan 2019 22:08:30 + From: ael To: tagging@openstreetmap.org Subject: Re: [Tagging] Drain vs. ditch On Wed, Jan 16, 2019 at 09:45:21PM +, Paul Allen wrote: On Wed, 16 Jan 2019 at 21:24, EthnicFood IsGreat < ethnicfoodisgr...@gmail.com> wrote: I have been taggin

Re: [Tagging] Drain vs. ditch

On Wed, Jan 16, 2019 at 09:45:21PM +, Paul Allen wrote: > On Wed, 16 Jan 2019 at 21:24, EthnicFood IsGreat < > ethnicfoodisgr...@gmail.com> wrote: > > I have been tagging them as drains, because they > > are too small to be called a stream, and they are not artificial, so > > they are not

Re: [Tagging] Drain vs. ditch

cfoodisgr...@gmail.com> wrote: > > > Date: Wed, 16 Jan 2019 13:32:04 -0500 > > From: Kevin Kenny > > To: "Tag discussion, strategy and related tools" > > > > Subject: Re: [Tagging] Drain vs. ditch > > > > > > On Wed, Jan 16, 201

Re: [Tagging] Drain vs. ditch

On Wed, 16 Jan 2019 at 21:24, EthnicFood IsGreat < ethnicfoodisgr...@gmail.com> wrote: I have been tagging them as drains, because they > are too small to be called a stream, and they are not artificial, so > they are not ditches. (At least in the OSM sense.) > In the OSM sense both ditches

Re: [Tagging] Drain vs. ditch

Date: Wed, 16 Jan 2019 13:32:04 -0500 From: Kevin Kenny To: "Tag discussion, strategy and related tools" Subject: Re: [Tagging] Drain vs. ditch On Wed, Jan 16, 2019 at 1:05 PM EthnicFood IsGreat wrote: Then what would you call a natural waterway that is too small to b

Re: [Tagging] Drain vs. ditch

Date: Wed, 16 Jan 2019 18:11:20 + From: Paul Allen To: "Tag discussion, strategy and related tools" Subject: Re: [Tagging] Drain vs. ditch On Wed, 16 Jan 2019 at 18:05, EthnicFood IsGreat < ethnicfoodisgr...@gmail.com> wrote: Then what would you call a

Re: [Tagging] Drain vs. ditch

On Wed, Jan 16, 2019 at 1:05 PM EthnicFood IsGreat wrote: > Then what would you call a natural waterway that is too small to be a > stream? The Wiki says that a stream is small enough to be stepped over, but gives no lower bound. I can't think of many permanent watercourses around here that are

Re: [Tagging] Drain vs. ditch

Date: Wed, 16 Jan 2019 15:38:13 +0300 From: Eugene Podshivalov To: "Tag discussion, strategy and related tools" Subject: Re: [Tagging] Drain vs ditch Can you jump over a drain or ditch? I find the jump over information well chosen for streams and most important pro

Re: [Tagging] Drain vs. ditch

On Wed, 16 Jan 2019 at 18:05, EthnicFood IsGreat < ethnicfoodisgr...@gmail.com> wrote: > > Then what would you call a natural waterway that is too small to be a > stream? > > Two possibilities. 1) A stream. 2) Not worth mapping. Take your pick. :) -- Paul

Re: [Tagging] Drain vs. ditch

Date: Wed, 16 Jan 2019 17:06:57 +0700 From: Dave Swarthout To: "Tag discussion, strategy and related tools" Subject: Re: [Tagging] Drain vs ditch Sounds good, Eugene. I like those descriptions. On Wed, Jan 16, 2019 at 4:41 PM Eugene Podshivalov wrote: =drain sugg

Re: [Tagging] Drain vs ditch

> > Can you jump over a drain or ditch? I find the jump over information well > chosen for streams and most important property when actually walking in an > area and trying to find a way through. In the place where I live drainage ditches are 1-5 meters wide and you can hardly jump over them.

Re: [Tagging] Drain vs ditch

sent from a phone > On 16. Jan 2019, at 10:39, Eugene Podshivalov wrote: > > No need to introduce any new tags. While I mostly agree with your interpretations, there are still some problems: what about lined irrigation channels? Can you jump over a drain or ditch? I find the jump over

Re: [Tagging] Drain vs ditch

Sounds good, Eugene. I like those descriptions. On Wed, Jan 16, 2019 at 4:41 PM Eugene Podshivalov wrote: > =drain >> suggested: Use waterway >> =drain for artificial >> waterways , typically >>

Re: [Tagging] Drain vs ditch

> > =drain > suggested: Use waterway > =drain for artificial waterways > , typically lined with > concrete or similar, usually used to carry water for drainage or > irrigation purposes. > > =ditch >

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