Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-17 Thread Steve Bennett
On Sun, Jan 9, 2011 at 2:36 PM, Paul Norman penor...@mac.com wrote: The question is, what else would go there? Flood gates don't belong there - that's the *usage* of the gate, not the *type* of gate. From a technical perspective you may be right, but practically speaking, we should design

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-17 Thread Nathan Edgars II
On Mon, Jan 17, 2011 at 6:18 PM, Steve Bennett stevag...@gmail.com wrote: On Sun, Jan 9, 2011 at 2:36 PM, Paul Norman penor...@mac.com wrote: The question is, what else would go there? Flood gates don't belong there - that's the *usage* of the gate, not the *type* of gate. From a technical

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-17 Thread Paul Norman
On Sun, Jan 9, 2011 at 2:36 PM, Paul Norman penor...@mac.com wrote: The question is, what else would go there? Flood gates don't belong there - that's the *usage* of the gate, not the *type* of gate. From a technical perspective you may be right, but practically speaking, we should design

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-17 Thread Steve Bennett
On Tue, Jan 18, 2011 at 10:41 AM, Nathan Edgars II nerou...@gmail.com wrote: On the other hand, what if one knows that there's a gate but not its purpose (for instance, when mapping drainage canals through swampy areas)? Indeed. How to cater for both situations? Steve

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-17 Thread John Smith
On 18 January 2011 09:18, Steve Bennett stevag...@gmail.com wrote: waterway=flood_gate flood_gate=sluice_gate ...is more usable for non-techie nerds than something like: waterway=flow_control flow_control=sluice_gate usage=flood_gate So why do we use highway=* for even small tracks? -1

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-17 Thread Steve Bennett
On Tue, Jan 18, 2011 at 2:19 PM, John Smith deltafoxtrot...@gmail.com wrote: So why do we use highway=* for even small tracks? The tagging system as a whole will never be entirely consistent, or even operate on consistent principles. The best we can do is fix small chunks at a time, and make

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-17 Thread John Smith
On 18 January 2011 16:13, Steve Bennett stevag...@gmail.com wrote: On Tue, Jan 18, 2011 at 2:19 PM, John Smith deltafoxtrot...@gmail.com wrote: So why do we use highway=* for even small tracks? The tagging system as a whole will never be entirely consistent, or even operate on consistent

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-16 Thread Paul Norman
discussion, strategy and related tools' Subject: Re: [Tagging] Feature Proposal - RFC - sluice_gate From: Steve Bennett On 5/01/2011 3:18 PM, John Smith wrote: Perhaps a more generic approach would work, eg waterway=flow_control flow_control=weir|sluice_gate|flood_gate|spillway_gate

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-08 Thread Paul Norman
From: Steve Bennett On 5/01/2011 3:18 PM, John Smith wrote: Perhaps a more generic approach would work, eg waterway=flow_control flow_control=weir|sluice_gate|flood_gate|spillway_gate| Yeah something like that would be reasonable. What I'd like to see a lot more of is planning

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-08 Thread John Smith
On 9 January 2011 13:36, Paul Norman penor...@mac.com wrote: I've been looking into this. How does this sound? waterway=dam and waterway=weir remain unchanged. I'm still in favour of shifting these into flow control... The question is, what else would go there? Flood gates don't belong there

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-05 Thread M∡rtin Koppenhoefer
2011/1/5 Steve Bennett stevag...@gmail.com:  On 4/01/2011 7:20 AM, Paul Norman wrote: They both have elements of flow control, but function in quite different ways and look very different. A weir is used to raise the water level or control flow, with water flowing over the top. A sluice gate

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-05 Thread M∡rtin Koppenhoefer
2011/1/5 John Smith deltafoxtrot...@gmail.com: On 5 January 2011 15:16, Steve Bennett stevag...@gmail.com wrote: waterway=dam (a wall with water on one side) waterway=weir (a wall with water flowing over the top) waterway=flow_control (an opening through which water sometimes flows).

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-05 Thread Steve Bennett
On 5/01/2011 7:27 PM, John Smith wrote: On 5 January 2011 15:16, Steve Bennettstevag...@gmail.com wrote: waterway=dam (a wall with water on one side) waterway=weir (a wall with water flowing over the top) waterway=flow_control (an opening through which water sometimes flows).

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-04 Thread John Smith
On 4 January 2011 07:19, Ulf Lamping ulf.lamp...@googlemail.com wrote: BTW: My feeling is, that sluice gates formerly were tagged with waterway=weir most of the time anyway. Doesn't mean they shouldn't be updated/added if there is a better tag... The suggested term floodgate would be more

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-04 Thread Steve Bennett
On 4/01/2011 7:20 AM, Paul Norman wrote: They both have elements of flow control, but function in quite different ways and look very different. A weir is used to raise the water level or control flow, with water flowing over the top. A sluice gate is essentially a valve for small waterways.

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-04 Thread John Smith
On 5 January 2011 11:38, Steve Bennett stevag...@gmail.com wrote: I'm wary of the endless drive to create more high-level tags. It increases the burden on reusers of the data. Normally I'd agree with you 100%, but in this case it's a bit different because as pointed out earlier weirs tend to be

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-04 Thread Steve Bennett
On 5/01/2011 3:18 PM, John Smith wrote: Perhaps a more generic approach would work, eg waterway=flow_control flow_control=weir|sluice_gate|flood_gate|spillway_gate| Yeah something like that would be reasonable. What I'd like to see a lot more of is planning ahead: coming up with a scheme

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Peter Wendorff
Hi. I'm not very familiar with waterway tagging, but AFAIK these are tagged as riverbanks, too. Your proposal doesn't say anything about how to map sluice gates at these bigger rivers as it proposes the usage on nodes only. As sluice gates assumably will be more on bigger waterways, that

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Elizabeth Dodd
On Mon, 03 Jan 2011 11:04:27 +0100 Ulf Lamping ulf.lamp...@googlemail.com wrote: Am 03.01.2011 02:59, schrieb Paul Norman: I've set up a proposal for sluice_gates, which are typically found on small waterways in agricultural areas at

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread John Smith
On 3 January 2011 20:04, Ulf Lamping ulf.lamp...@googlemail.com wrote: What's the difference to waterway=weir? A lot of weirs I've seen don't have any kind of gates, they just semi-dam a river to provide a water supply for nearby towns, the water freely flows over the top of the weir.

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Elizabeth Dodd
On Mon, 3 Jan 2011 20:37:10 +1000 John Smith deltafoxtrot...@gmail.com wrote: On 3 January 2011 20:04, Ulf Lamping ulf.lamp...@googlemail.com wrote: What's the difference to waterway=weir? A lot of weirs I've seen don't have any kind of gates, they just semi-dam a river to provide a water

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread John Smith
On 3 January 2011 21:06, Elizabeth Dodd ed...@billiau.net wrote: like this http://museumvictoria.museum/collections/items/766657/negative-weir-bridge-across-the-murray-river-mildura-victoria-circa-1925 I doubt I've seen such a large weir in person, I was thinking more along the lines of this:

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread M∡rtin Koppenhoefer
2011/1/3 Ulf Lamping ulf.lamp...@googlemail.com: Am 03.01.2011 02:59, schrieb Paul Norman: I've set up a proposal for sluice_gates, which are typically found on small waterways in agricultural areas at http://wiki.openstreetmap.org/wiki/Proposed_features/sluice_gate What's the difference

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread John Smith
On 3 January 2011 21:55, M∡rtin Koppenhoefer dieterdre...@gmail.com wrote: IMHO the difference is that a weir is used to control the water level (and sometimes used to produce energy) while a sluice gate is used for ships to navigate in rivers/canals with different levels (it is part of steps

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Dave F.
On 03/01/2011 10:04, Ulf Lamping wrote: Am 03.01.2011 02:59, schrieb Paul Norman: I've set up a proposal for sluice_gates, which are typically found on small waterways in agricultural areas at http://wiki.openstreetmap.org/wiki/Proposed_features/sluice_gate What's the difference to

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Dave F.
On 03/01/2011 11:55, M∡rtin Koppenhoefer wrote: 2011/1/3 Ulf Lampingulf.lamp...@googlemail.com: Am 03.01.2011 02:59, schrieb Paul Norman: I've set up a proposal for sluice_gates, which are typically found on small waterways in agricultural areas at

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Dave F.
On 03/01/2011 15:10, Elizabeth Dodd wrote: On Mon, 03 Jan 2011 15:00:08 + Dave F.dave...@madasafish.com wrote: A weir is an immovable barrier to retain water level: http://i.telegraph.co.uk/telegraph/multimedia/archive/01789/Andy-Brown-bath_1789275i.jpg Even that isn't completely correct

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread yvecai
Let's take it on the opposite, we have devices to control water, sort of 'dams'. * Water can go above, under, trough, or between gates * Can be fixed, moving, removable * Can be nodes, ways, or polygons I'm no expert in english, but somebody here could end up with a set of english word that

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Paul Norman
-boun...@openstreetmap.org [mailto:tagging- boun...@openstreetmap.org] On Behalf Of Ulf Lamping Sent: Monday, January 03, 2011 2:04 AM To: tagging@openstreetmap.org Subject: Re: [Tagging] Feature Proposal - RFC - sluice_gate Am 03.01.2011 02:59, schrieb Paul Norman: I've set up a proposal

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Paul Norman
...@openstreetmap.org [mailto:tagging- boun...@openstreetmap.org] On Behalf Of Peter Wendorff Sent: Monday, January 03, 2011 1:52 AM To: tagging@openstreetmap.org Subject: Re: [Tagging] Feature Proposal - RFC - sluice_gate Hi. I'm not very familiar with waterway tagging, but AFAIK

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Dave F.
On 03/01/2011 21:01, Richard Welty wrote: floodgate would seem to be the general term for these sorts of things; sluice_gate would be a subtype: I would say it's the other way around - flood prevention is one use of a sluice gate. As I pointed out, a sluice gate an be used for irrigation

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Ulf Lamping
Am 03.01.2011 21:20, schrieb Paul Norman: They both have elements of flow control, but function in quite different ways and look very different. A weir is used to raise the water level or control flow, with water flowing over the top. A sluice gate is essentially a valve for small waterways.

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Richard Welty
On 1/3/11 4:16 PM, Dave F. wrote: On 03/01/2011 21:01, Richard Welty wrote: floodgate would seem to be the general term for these sorts of things; sluice_gate would be a subtype: I would say it's the other way around - flood prevention is one use of a sluice gate. As I pointed out, a

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Elizabeth Dodd
On Mon, 3 Jan 2011 12:33:18 -0800 Paul Norman penor...@mac.com wrote: All the sluice gates I've seen are on the scale of 1m in opening size. A quick google image search also seems to only turn up small gates. I suppose there could be some large gates out there, so the proposal might need to

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Elizabeth Dodd
On Mon, 03 Jan 2011 15:23:34 + Dave F. dave...@madasafish.com wrote: Balranald Weir out of the water http://billiau.net/zoph/photo.php?photo_id=17253 Although it's hard to decipher what's happening in the second photo' , I would describe the movable parts as sluice gates not weirs.

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-03 Thread Elizabeth Dodd
On Mon, 03 Jan 2011 18:28:06 +0100 yvecai yve...@gmail.com wrote: Let's take it on the opposite, we have devices to control water, sort of 'dams'. * Water can go above, under, through, or between gates * Can be fixed, moving, removable * Can be nodes, ways, or polygons I'm no expert in

Re: [Tagging] Feature Proposal - RFC - sluice_gate

2011-01-02 Thread John Smith
On 3 January 2011 11:59, Paul Norman penor...@mac.com wrote: I've set up a proposal for sluice_gates, which are typically found on small waterways in agricultural areas at http://wiki.openstreetmap.org/wiki/Proposed_features/sluice_gate You might want to add an example photo for those not