Re: [OSM-Talk-ZA] How to display paths on all layers?

[Glen Wilson]

Assuming this is not a caching problem as described in an earlier thread,
it's possible the other paths in your comparison have different tags that
those the layer will choose to include. Tags affecting paths could be
things like sac_scale=* or trail_visibility=*, or a layer could decide to
render highway=path but not highway=footway (general purpose paths vs
footpaths perhaps found in more urban areas).

The general rule is to map what's on the ground, don't tag something just
to get it to show on the map. Have a look at the tags used in the other
paths. If (and only if) they apply to your paths then happily go apply them
to yours, and wait for the caching to do it's thing.

I found the wiki a very useful source of what tags to use.

Note: each layer will only render the things chosen by its developers. That
explains why didn't layers

//Glen 
P.S. I've written this off the top of my head. I'm not at a computer, so I
haven't yet been able to see what map data you've added

On Mon, 31 May 2021, 11:40 Tony Heher  wrote:

> I have published a number of tracks and they are visible on the Standard
> and CylOSM layers, but not on any other layers.
>
> But many other tracks and paths are visible on all layers. What does one
> have to do to make them visible? The Cycle Map is the "nicest" from a
> hiking point of view as the contours are clearer. The Standard map is not
> useful at all as it has no contours.
> ___
> Tony Heher
> +27 82 654 5582
>
>
> On Sat, May 29, 2021 at 12:50 PM Tony Heher  wrote:
>
>> Thanks, now obvious! And very useful as GPS tracks recorded in the
>> mountains have a lot of "jitter" (100 to 200m back and forth is not
>> uncommon)
>>
>> If of interest, this jitter effect is described in more detail at GPS in
>> the Mountains: the Good the Bad and the Ugly
>> 
>>
>> ___
>> Tony Heher
>> +27 82 654 5582
>>
>>
>> On Sat, May 29, 2021 at 10:09 AM John  wrote:
>>
>>> Hi Tony,
>>>
>>> I would suggest browsing through the help forum, here's an example.
>>>
>>>
>>> https://help.openstreetmap.org/questions/70677/gps-trace-is-not-searchable
>>>
>>> Traces in OSM are intended more an aid for editing than as usable data.
>>>
>>> You may want to rather consider creating routes and editing OSM. I know
>>> it's more work but also more useful long term. Perhaps you can get others
>>> to help in the Mountain Meanders group as a project. I'm sure you may also
>>> find some sort here when needed!!
>>>
>>> Just some thoughts,
>>> Good luck, I like what you are doing!
>>> John
>>>
>>> On Fri, 28 May 2021, 13:10 Tony Heher,  wrote:
>>>
 I have been using OSM for some time but am new to adding tracks. Is
 this the right forum to ask a question?

 I have uploaded tracks and received an email confirming that they have
 been accepted and published.  However, they do not appear on the map if I
 click *View Map.*
 [image: image.png]
 But if I click *Edit Map*, they are there.

 Can anyone advise what I am doing wrong?

 *Background*: This is part of the Mountain Meanders
  wiki which
 is documenting around 200 climbing and scrambling routes in the Western
 Cape.

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Re: [OSM-Talk-ZA] Compiling ZA Open Geo List

[Glen Wilson]

By open you mean simply available for download/access? (i.e. not
necessarily suitaeble for use in OSM)? //Glen/Tinshack

On 05 Aug 2016 22:33, "Grant Slater"  wrote:

> Hi All,
>
> I have started compiling a list of Open Geo data providers in South Africa.
>
> Any help expanding the list would be appreciated.
>
> https://docs.google.com/spreadsheets/d/1TRldpu2DfLgTENQxGY8tKpkBK181F
> nECcA_zX4wfE9Q/edit#gid=0
>
> Kind regards,
> Grant
>
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Re: [OSM-Talk-ZA] ngi-aerial offline for a day or 2

[Glen Wilson]

*well: Get well soon ;)
On 19 Mar 2014 6:08 PM, Glen Wilson 1tinsh...@gmail.com wrote:

 Get week soon ;)
 On 19 Mar 2014 6:00 PM, Grant Slater openstreet...@firefishy.com
 wrote:

 Hi All,

 I've had to take the ngi-aerial imagery offline for a day or 2.
 Offline: http://aerial.openstreetmap.org.za/

 An aircon in the server room at University College London which hosts
 the server has failed.

 Regards
  Grant

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Re: [OSM-Talk-ZA] Nkandla on OpenStreetMap

[Glen Wilson]

I was disappointed to find there aren't any nodes tagged name=Nkandla, 
barrier=gate.  No, I couldn't resist! :-D -- Glen

On 22-Nov-13 14:00, Grant Slater wrote:

On 22 November 2013 06:36, Dawid Loubser da...@travellinck.com wrote:

How poignant after the recent attempts of the ANC to hide information about 
this disgrace.

Oh? I hadn't noticed /sarcasm ;-)

Most of the photos published over the last few months are taken from
along this track:
http://www.openstreetmap.org/?way=247556016

/ Grant



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Re: [OSM-Talk-ZA] http://aerial.openstreetmap.org.za/ now seamless

[Glen Wilson]

Good became gooder! Thanks for your work.
On 13-Oct-13 16:50, Grant Slater wrote:

Talk-ZA,

http://aerial.openstreetmap.org.za/ imagery (available in iD,
Potlatch2  JOSM) is now seamless.
No ugly black strips while zoomed out.
Happy to describe setup if anyone is interested. (gdal vrt, gdalwarp,
mapserver...)

Gerhardus Geldenhuis also recently popped into CD:NGI in Cape Town and
has collected updated imagery. I hope to get this online soon.

Kind regards
  Grant

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[OSM-Talk-ZA] Tagging ground signs

[Glen Wilson]

Hi everybody

It seems a not uncommon practice to for place names to be markedin huge 
writing (on a hillside). They're very visible and have, I feel, some 
cartographic value.


Below is the start of a new tagging proposal.  I thought I'd throw it 
open to the list first before going to all the effort of putting 
something useless on the OSM Wiki 
http://wiki.openstreetmap.org/wiki/Proposed_features.  This is just a 
startand I'll probably add more detail and examples as time allows.  I 
haven't done much tagging of these objects because I've only just 
figured out what to tag them with.


*Tagging*
I propose placing a way over the name from left to right (of the word, 
so if it's upside down in you editor...) then tagging it with 
tourism=ground_sign name=*.  That would probably be sufficient for the 
River 
http://aerial.openstreetmap.org.za/?zoom=18layers=B0lat=-34.1142101lon=21.2524555sdale 
http://aerial.openstreetmap.org.za/?zoom=18layers=B0lat=-34.1142101lon=21.2524555 
example.  For the Oord / Resort 
http://aerial.openstreetmap.org.za/?zoom=18layers=B0lat=-30.5875051lon=25.5080875 
example,the way would simply contain multiple nodes to make it go around 
the corner.


Often these the signs are pictures, or written in a weird font that a 
renderer like Mapnik can't do justice to.  For these I propose tracing 
what you see on the ground and simply leaving the name=* tag blank.  You 
can still include the name by putting the letters you draw into a 
relation and tagging that with name=* (all the better to be able to 
search for it). The markings near Wakkerstroom 
http://aerial.openstreetmap.org.za/?zoom=18layers=B0lat=-27.3728169lon=30.1580294 
might require this method.


Filled shapes can be created by using closed ways and multipolygon 
relations.  I haven't come across such examples, but I'm sure they're 
out there.


*Supplementary tags*

 * width=* to specify how wide a line should be drawn
 * color=* (or colour=?) to specify what you think it specifies
 * surface=* or something similar to say what it's made of.


*Examples*

 * Riversdale near guess where:
   
http://aerial.openstreetmap.org.za/?zoom=18layers=B0lat=-34.1142101lon=21.2524555
 * Oord/Resort marking near Gariep Dam:
   
http://aerial.openstreetmap.org.za/?zoom=18layers=B0lat=-30.5875051lon=25.5080875
 * Voortrekker markings near Wakkerstroom:
   
http://aerial.openstreetmap.org.za/?zoom=18layers=B0lat=-27.3728169lon=30.1580294

I'm curious if these appear anywhere else in the world, or if it's just 
a local thing. There are other considerations too, like are 
/ground_sign/ and /tourism/ the best tag names to use(think about 
highway=road and highway=unclassified for an OSM newbie)


What'd'ya think about that?

Later

Glen

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Re: [OSM-Talk-ZA] Which base imagery to use

[Glen Wilson]

I'm also leaning towards the cd:ngi imagery because of more generally
consistant alignment. Whatever your preference, it's still a good idea to
check the alignment with (good quality) GPS traces (if available).

I have found having multiple sources available is useful for comparison
(e.g. that lake runs empty during the dry season, that road construction is
complete, or that amusement park used to be an airfield). Even though the
imagery date isn't available.you can often find clues as to which source
suits your purpose better.

-- Glen
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Re: [OSM-Talk-ZA] Lepelle, Motlatse, etc.

[Glen Wilson]

Before going too far into this, take a look at the name key 
http://wiki.openstreetmap.org/wiki/Name on the OSM wiki.  Also take a 
look at the on-the-ground rule 
http://wiki.openstreetmap.org/wiki/Disputes#On_the_Ground_Rule.  OSM 
records what is - there's little scope for what was and will be.


Basically name=* is what displays on most of the renderers etc. If most 
(local) people and (more importantly) road signs know it as the Blyde 
River then that's what should be set in the name=* tag.  In such a case 
official_name=Motlatse River is useful.


alt_name=* would probably apply if it were also called Blyde Canyon River.

Of course if the local government's got lots of money for sign changes 
(and the people want out with the old) then go ahead and use 
name=Motlatse River; old_name=Blyde River.


Language variations (name:xx=*) might be useful in cases where the 
official name is really just the same thing in a different language 
(which seems to be the case for Levuvhu vs Levubu, but I'm no language 
expert).  In these cases it's still a good idea to use 
name/official_name/old_name etc.


This naming stuff also applies to names of other things like places, 
parks, and streets.


Include the suffix (River/Stream/Spruit etc) in the name if known.  
It's quite possible to have Blyde River tagged as waterway=stream 
(waterway=* is a physical/functional tag and would be relevant even if 
it was called Motlatse Street).


Later

Glen

On 24-Mar-13 16:38, Gerhardus Geldenhuis wrote:

Hi
I think the alt name should be the old name. If we do it the other way 
around we risk getting involved in politics. Having the old names as 
alt names would however be important. More names means it gives 
flexibility to have differently rendered maps. You could probably even 
go as far as having the old province borders imported as historical 
data, not that it would be of much use but might be interesting for 
historical purposes.


Regards


On 24 March 2013 10:22, David Schneider d.schnei...@tradermail.info 
mailto:d.schnei...@tradermail.info wrote:


Hi List!

The OSM data still has the Olifants River, Blyde River, etc.
listed under
their old names.
According to various sources, the official name changed in 2005 to
Lepelle.

http://www.krugerpark.co.za/krugerpark-times-2-15-olifants-river-lepelle-20557.html
So did the names of a number of other places.

Have these name changes never been adopted by the ZA public, and
are therefore
merely an act of the bureaucracy? I think, both names should be in
our data.
Either as name: Lepelle, old_name: Olifants River, or name:
Olifants River,
alt_name: Lepelle. What do you think?

Best,
David


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--
Gerhardus Geldenhuis


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[OSM-Talk-ZA] Fwd: Survey re: OpenStreetmap

[Glen Wilson]

I came across this survey on the OSGeo Africa 
http://lists.osgeo.org/mailman/listinfo/africa mailing list.  It 
really does take less than 5 minutes to complete.


They don't really explain what happens to the data once it's been 
collected.  It might be interesting to see the results.


Glen

 Original Message 
Subject:[OSGeo Africa] Survey re: OpenStreetmap
Date:   Wed, 14 Mar 2012 21:23:52 +0200
From:   Gavin gavinjflem...@gmail.com
Reply-To: 	gavinjflem...@gmail.com, Africa local chapter discussions 
afr...@lists.osgeo.org

To: Africa local chapter discussions afr...@lists.osgeo.org




Begin forwarded message:
*From: *Theodor Foerster theodor.foers...@uni-muenster.de 
mailto:theodor.foers...@uni-muenster.de


*Date: *March 14, 2012 7:16:10 AM PDT

*To: *Theodor Foerster theodor.foers...@uni-muenster.de 
mailto:theodor.foers...@uni-muenster.de


*Subject: [ica-opensource] motivations for contributing to 
OpenStreetmap - survey*



Dear friends and collegues,

Please distribute and participate!

 Apologies for crossposting 

We would like to invite you to participate in a survey on motivations 
and obstacles to contribute geographic information to OpenStreetMap. 
OpenStreetMap is a collaborative project to create a free editable map 
of the world. This survey consists of up to eighteen questions and 
will take approximately five to (less than) ten minutes to complete. 
Participation in this survey is voluntary and anonymous. We would like 
to encourage you to spread the word about the survey and to send the 
survey link to your peers. Anyone can participate, no background 
knowledge about OpenStreetMap is required. The study is part of a 
diploma thesis at the Institute for Geoinformatics of the University 
of Münster, Germany.


To take the survey, click the link below:
https://www.surveymonkey.com/s/WXBZ7LB

The same survey is also available in german:
https://www.surveymonkey.com/s/WSHWJ3M

Thank you in advance for your participation

Dominik Wilmsen
If you have additional questions, please contact me at 
wilms...@gmail.com mailto:wilms...@gmail.com.


--
Dr. Theodor Foerster
Research Associate
Institute for Geoinformatics
Sensor Web, web-based geoprocessing  simulation lab
http://swsl.uni-muenster.de
http://ifgi.uni-muenster.de/~tfoer_01 
http://ifgi.uni-muenster.de/%7Etfoer_01


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[OSM-Talk-ZA] Tagging agricultural holdings/plots

[Glen Wilson]

Hi

I'm a little stuck on how to tag the place agricultural 
holdings/plots.  landuse=residential is too urban, landuse=farmland is 
too rural, and the validator shouts at me if I use landuse=User 
Defined. Tagwatch 
http://tagwatch.stoecker.eu/South_africa_and_lesotho/En/tags.html 
didn't shed any light either.


What's a plot?
It's a piece of privately owned land, usually 1-3ha in size.  It's used 
for residential *and* (recreational) agricultural use.  Because of the 
size of the properties, houses are sparsely spaced.


Some examples can be found at -26.093, 28.3458 
http://www.openstreetmap.org/edit?lat=-26.093lon=28.3458zoom=15.


The best I can come up with is landuse=agricultural_holdings, but I'm 
not sure if this will make sense in an international context (and surely 
they have such things in other parts of the world).  Use would be 
similar to landuse=residential.


-- Glen


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Re: [OSM-Talk-ZA] Capturing shopping centres

[Glen Wilson]

This seems like an interesting idea, although I think some parts are too
specific:

Why can't I use building=yes AND
shop=shopping_centre/shop=mall/shop=convenience/shop=* along with other tags
necessary for the building itself?  Also some shopping complexes have
auxillary buildings which are part of the site but aren't shops (guard huts,
offices, generators etc).

On the relation side, I also think site=mall is too specific: a mall
(covered area with multiple shops including multiple big stores like
Game/Woolworths/Pick 'n Pay etc) is different to a shopping centre
(non-covered area, usually with only one major grocery store and multiple
smaller shops), which in turn is different from small (and generally)
stand-alone shops.  A type=site relation works for all of them, but sizes
and purposes (and therefore customers) differ.

surface=* is usually used for the type of surface covering a feature (e.g.
surface=grass for a soccer pitch, or surface=asphalt for a parking area).
It might be a better idea to choose something else for the GLA (what about
surface_area or lettable_surface_area).

Good luck with your modelly shop mall thingy project.  Say hi to Agent Smith
for me.

Regards

Glen Wilson (Tinshack)

On 24 Aug 2011 8:24 PM, Johan Joubert johan.joub...@up.ac.za wrote:

Hi Talk-ZA'ers

As part of developing agent-based transport planning models, we are
capturing shopping centres. If you have a virtual world... agents have to
virtually work, and virtually shop ;-) To that extent we're partnering with
the South African Counci for Shopping Centres (SACSC). According to them,
their member register accounts for 50% of south African retail space. And
we're starting to capture them (all).

After capturing a few, OSM'er Werner2101 made some changes (for the better)
- so if you do happen to capture shopping centres in you vicinity, this is
how we will/want to capture the whole lot of them from here onwards until
someone makes another valuable contribution):

1. Capture the actual shopping centre building(s) as a closed way, with the
ONLY tag being
   - building=yes

2. Capture the parking area(s) (we have the actual capacity in many cases,
courtesy of SACSC) with the following tags:
   - amenity=parking
   - capacity=?? (if you have it)
   - parking=surface (or multilevel, or covered, etc)

3. Next, add the internal service roads with tag
   - highway=service
 ans where applicable, add
   - service=parking_aisle

4. Add everything together by creating a relation with the following tags:
   - type=site
   - site=mall
   - name=Mall Name Centre
   - surface=12345 (Gross Lettable Area (GLA, in square meters) )
   - website=whatever.co.za

Here is one example once it is done:
http://www.openstreetmap.org/browse/relation/1713491

Best regards,
Johan


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[OSM-Talk-ZA] N4 ring road: Nelspruit

[Glen Wilson]

Last night I went to bed in Nelspruit, near the N4.  This morning I woke 
up in Mbombela[1], near the R104.  You saw it on OSM[2] first.


-- Glen Wilson (Tinshack)

[1] Some road signs have changed, but I've left the city name as 
Nelspruit for now: it's only supposed to change after the world cup.

[2] Has anybody mentioned that OSM is cool?
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Re: [OSM-Talk-ZA] Chris Hani Baragwanath

[Glen Wilson]

Wow, that's an incredible level of detail.  Nice work!

-- Glen

On 2010/05/21 04:12 PM, John Grant wrote:

Looks great David, Well done

The email link on their IT dept web page
http://www.chrishanibaragwanathhospital.co.za/departments/it/show may be a
good start: prb...@mweb.co.za

They have a pathetic (by comparison) Google map
http://www.chrishanibaragwanathhospital.co.za/contact which they may be
prepared to replace :-)

Looks like a real service you have done for them!!

Regards,
John

On Monday 17 May 2010 21:22, David Richfield wrote:
   

Hi all,

The biggest hospital in the world is in our backyard, and only today
has been added to OSM.  I don't know the extent of the hospital.  Do
any of you have a clue?  Maybe there are some sources which will help
us to identify the boundaries on Yahoo imagery?  I marked some of the
roads there as access=private, but I'm not quite sure of the location
of the one gate: I only had my cellphone for track recording (I was on
a corporate social responsibility trip, so I didn't bring the laptop).

http://www.openstreetmap.org/?lat=-26.2669lon=27.94729zoom=15mlat=-26.26
202mlon=27.94501
 

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[OSM-Talk-ZA] Fw: PlanetGIS announcement: Free routable GIS street map of SA?

[Glen Wilson]

Somebody's taken notice -- Glen
- Original Message - 
From: Paul van Helden 
To: 
Sent: Tuesday, October 28, 2008 2:21 PM
Subject: PlanetGIS announcement: Free routable GIS street map of SA?


Hi Glen,

Are you familiar with the OpenStreetMap project? OpenStreetMap is a project 
aimed at creating and providing free geographic data such as street maps to 
anyone who wants them. Contributors to OpenStreetMap take GPS devices with them 
on journeys, or go out specially to record GPS tracks. They record street 
names, place names and other features using notebooks, digital cameras, and 
voice-recorders. Back at the computer, contributors upload those GPS logs 
showing where they travelled, and trace-out the roads on OpenStreetMap's 
collaborative database. Using their notes, contributors add the street names, 
information such as the type of road or path, and the connections between 
roads. That data is then processed to produce detailed street-level maps, which 
can be published freely on sites such as Wikipedia, used to create handheld or 
in-car navigation devices, or printed and copied without restriction. 

I've known about this project for some time, but after watching its coverage 
grow exponentially (click to see animation) for a while now, I eventually got 
very excited about it. This project has become the Wikipedia of street maps and 
has a real potential to surpass the accuracy and completeness of expensive 
commercial street maps in the near future... sustainably. With this data you 
can do whatever you like as long as you acknowledge the source, and you don't 
ever have to pay for updates. The more people that get involved, the more 
updates you'll see, and it's all free. It is very easy to add streets, change 
streets (or any other type of feature) and change or add attributes like names. 
Anyone can do it!

You can download this open and free street map of South Africa, as a PlanetGIS 
map, now from our website. Because this is such a living map, I will post an 
update on our website once per month. Your changes to the map will be included! 
View it or download it here: www.planetgis.co.za/browsemap.php?id=15. You can 
see how quickly the map is growing on this page: 
www.planetgis.co.za/sa-osm-progress.php.

A lot of changes have been made to Planet over the past month and a half. You 
have to get the latest version (3.0.5) to see this street map properly. Changes 
include such things as multiple labels for features, boxed labels, prioritized 
styles, and much much more. If you use 3.0.4 or earlier to view this street 
map, it won't look anything like it should.

Other news is that the searchable cadastral map for KwaZulu Natal is now ready 
for download.

Let me know if you would like to contribute to OSM, the Free Wiki World Map.

Best regards,

Paul van Helden
Planet GIS.

PS: The last training course for this year takes place next week and the 
overflow course the following week. This is your last chance to attend this 
very informative 3-day intensive course until February 2009. For more 
information please click here.


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