[Talk-in] OpenAerialMap Beta Goes Live

2015-05-31 Per discussione Shekhar Krishnan
http://hotosm.org/updates/2015-05-28_openaerialmap_beta_goes_live

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Re: [Talk-in] Id editor on Bhuvan

2015-05-26 Per discussione Shekhar Krishnan



Well, the foundation does exist.
Does this mean everyone creates an account on Bhuvan before starting
to trace in OpenStreetMap? I'm still not clear how this could work.
Might make sense to ask others. Paul, Mikel - do you have thoughts?



Would be good to know what Paul and Mikel think here.

It seems a question of what is public domain, not just according to 
OSM but also per Indian law. Apart from the discussions on Bing and the 
License Working Group, this is the only statement I find on the OSM wiki:


https://wiki.openstreetmap.org/wiki/Legal_FAQ#2._Contributing




Hmm, 20 tiles a day is not going to work. This is going to be high
traffic. And it does require reliable infrastructure. Worthwhile to
consider how we can support Bhuvan on this.
Also, few imagery are not in web mercator, those will have to be reprojected.


Yes, agreed, the 20 per day limit I see is not just for GeoTIFF 
downloads but also for the tile service.


There could perhaps then be a role for HBCSE-TIFR here as a  educational 
institution, and government client able to redistribute and serve 
high-availability imagery for scientific and developmental purposes to 
the OSM community.


The fact that Bhuvan is already using ID, tilecache, etc. is the opening 
I believe Nagarjuna was looking for when he initiated this thread.


We are ready to approach NSRC and ISRO via TIFR to support using Bhuvan 
for OSM mapping, if folks here can advise on what we should ask for. 
We're also approaching them for raw data which we're using for image 
processing and analysis at HBCSE.



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Re: [Talk-in] Id editor on Bhuvan

2015-05-18 Per discussione Shekhar Krishnan
Nice, I finally poked at this. For those on list who don't know tiles 
URL syntax, you can drop this URL into ID and it works great!


http://tile1.nrsc.gov.in/tilecache/tilecache.py/1.0.0/bhuvan_imagery2/{zoom}/{x}/{y}.jpg

The subdomain prefix tile1 can be replaced with tile2, 3, 4 (I 
guess these are backup servers?)



S.K.

On Sunday 17 May 2015 03:36 PM, Arun Ganesh wrote:



On Sun, May 17, 2015 at 4:15 AM, Paul Norman penor...@mac.com
mailto:penor...@mac.com wrote:

On 5/15/2015 11:39 PM, Devdatta Tengshe wrote:

As far as I know, Bhuvan uses Tilecache.py to serve out Imagery
in

tiles(http://tile1.nrsc.gov.in/tilecache/tilecache.py/1.0.0/bhuvan_imagery2/10/719/456.jpg).
The catch is that this imagery is in Geographic Latlong (i.e.
EPSG:4326) and not in Web mercator

Those are standard map tiles, in Web Mercator.

You can compare http://tile.openstreetmap.org/10/719/456.png and

http://tile1.nrsc.gov.in/tilecache/tilecache.py/1.0.0/bhuvan_imagery2/10/719/456.jpg
to see that they are the same area.


Thanks Paul, after poking around stumbled on their full list of tile layers:
http://tile1.nrsc.gov.in/tilecache/tilecache.py/1.0.0/layers

bhuvan_imagery is in WGS84
bhuvan_imagery2 is in web mercator

The tms url for bhuvan_imagery2:
tms:http://tile{switch:1,2,3,4}.nrsc.gov.in/tilecache/tilecache.py/1.0.0/bhuvan_imagery2/{zoom}/{x}/{y}.jpg
http://nrsc.gov.in/tilecache/tilecache.py/1.0.0/bhuvan_imagery2/%7Bzoom%7D/%7Bx%7D/%7By%7D.jpg




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Re: [Talk-in] Id editor on Bhuvan

2015-05-17 Per discussione Shekhar Krishnan
Has anyone poked around with the tileserver and can report experience so
far? This looks promising.

S.K.
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On 18-May-2015 2:04 am, Paul Norman penor...@mac.com wrote:

 On 5/16/2015 11:00 PM, Nagarjuna G. wrote:

 Do we really need the tiles? If they give an API service, wouldn't it be
 enough?

 We should be clear of exactly what to ask.

 Tiles are an API - you request z/x/y and get back an image for an area
 defined by z, x, and y.


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Re: [Talk-in] Id editor on Bhuvan

2015-05-17 Per discussione Shekhar Krishnan
We should get the raw imagery from them and make it ourselves. ISRO is
under no mandate to provide an API and Bhuvan may just disappear one day.

S.K.
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On 17-May-2015 11:39 am, Nagarjuna G. nagar...@gnowledge.org wrote:

 On 17 May 2015 4:27:46 am IST, Paul Norman penor...@mac.com wrote:

 On 5/15/2015 10:33 PM, Sajjad Anwar wrote:

  Couple of things to keep in mind here -

  1. We'd need open licensing, or it should say that tracing for
  OpenStreetMap is permitted.
  2. The layers should be in Web Mercator projection. There are quite a
  few Bhuvan layers that are not.

 There's two sides to this - one is getting the imagery, the other is
 having it hosted somewhere.

 If you can get the imagery under a usable license, I'm sure someone can
 host it. Once it's hosted, it can be added to the list for iD and P2
 (https://github.com/osmlab/editor-imagery-index) and to the JOSM wiki
 (http://josm.openstreetmap.de/wiki/Maps)

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 Do we really need the tiles? If they give an API service, wouldn't it be
 enough?

 We should be clear of exactly what to ask.

 GN

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Re: [Talk-in] Id editor on Bhuvan

2015-05-16 Per discussione Shekhar Krishnan
Ishan can you point us to wms or tiles feeds for Bhuvan? Afaik, they are
not there, but would be hugely useful for all sorts of work.

Sajjad's Nepal precedent is a good one to approach ISRO again for CartoSat
raw data. GN and I want to do this via TIFR, we could also work with Mapbox
India.

I'm not bothered about licensing terms, since these satellites were
launched with public money, and by right their output is public. :-)

S.K.
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On 16-May-2015 11:03 am, Sajjad Anwar m...@sajjad.in wrote:

 Dear GN,

  We checked Bhuvan today to get some idea.  We found that they also use
  Id editor for community contributions.

 This is interesting. I couldn't find though. Can you share a
 screenshot? This is particularly interesting for some of us who are
 working to make OpenStreetMap software available for outside the
 ecosystem.

 
  We are trying to get the high resolution satellite maps from ISRO for
  school and college mapping projects that we are currently doing.
 
  If openstreetmap.in would like to get the satellite maps from
  Bhuvan/ISRO, what do we need from them?  Do they have an API to pull
  them as background maps?  We may need them mostly while editing.  Since
  Id editor is already used by them, I am wondering they may already be
  using OSM software stack.

 Couple of things to keep in mind here -

 1. We'd need open licensing, or it should say that tracing for
 OpenStreetMap is permitted.
 2. The layers should be in Web Mercator projection. There are quite a
 few Bhuvan layers that are not.

 
  Was there any history of osm community seeking data from ISRO?

 Recently, we got in touch with ISRO for high resolution post
 earthquake imagery for Nepal. They shared the raw data and some of us
 at Mapbox processed it to make it available on OpenStreetMap -
 https://twitter.com/geohacker/status/593114332164001792

 Sajjad.

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Re: [Talk-in] Indian OSM server

2015-03-06 Per discussione Shekhar Krishnan
I am withdrawing the offer of hosting from Topomancy for OSM India 
community server.


All the same, I do not believe that having untrained and transient 
volunteers managing a service like this is at all viable, and don't know 
why such a simple question has led to such a prolonged debate.


This is why I recommended against hosting at HBCSE-TIFR, where I am on 
staff, and know how poorly resourced we are at the moment.



S.K.


On Friday 06 March 2015 08:40 PM, Johnson Chetty wrote:


On 6 March 2015 at 16:36, Arun Ganesh arun.plane...@gmail.com
mailto:arun.plane...@gmail.com wrote:
 
 
 
  On Fri, Mar 6, 2015 at 2:10 PM, Nagarjuna G. nagar...@gnowledge.org
mailto:nagar...@gnowledge.org wrote:
 
  If we show this 'truth' we will be welcoming trouble!
 
 
  Lets fix this first.
 
  Johnson can you share the existing mapnik_style.xml file? Would be
awesome if its on github.

Okay.. you want the default osm.xml or a separate style layer as
mapnik_style.xml for renderd?
I just saw that india streets repo and it seems you have mml stylesheet?

 
 
  GN
 
  On 05-Mar-2015 4:32 pm, Johnson Chetty johnsonche...@gmail.com
mailto:johnsonche...@gmail.com wrote:
 
  http://14.139.123.10:8080/osm/slippymap.html
 
 
  On Thu, 5 Mar 2015 16:20 Arun Ganesh arun.plane...@gmail.com
mailto:arun.plane...@gmail.com wrote:
 
  On Thu, Mar 5, 2015 at 11:23 AM, Johnson Chetty
johnsonche...@gmail.com mailto:johnsonche...@gmail.com wrote:
 
  Hello,
 
  By the way, the tile service is still running on the server ...
in case the new server acquisition and setup would take time.
 
  Is there a url for this?
 
 
 
  Cheers,
 
  On 1 March 2015 at 19:59, satyaakam goswami satyaa...@gmail.com
mailto:satyaa...@gmail.com wrote:
 
  On Thu, Feb 19, 2015 at 9:35 AM, Shekhar Krishnan
shek...@topomancy.com mailto:shek...@topomancy.com wrote:
 
  Knock knock. We were moving along with this and the thread
sputtered out.
 
 
  yeah we are here , do we have the servers ready , i have some
holidays coming up for Holi can work then .
 
 
  -Satya
  Satyaakam.net | fossevents.in http://fossevents.in |
 
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On Fri, Mar 6, 2015 at 2:10 PM, Nagarjuna G. nagar...@gnowledge.org
mailto:nagar...@gnowledge.org wrote:

If we show this 'truth' we will be welcoming trouble!


Lets fix this first.

Johnson can you share the existing mapnik_style.xml file? Would be
awesome if its on github.

GN

On 05-Mar-2015 4:32 pm, Johnson Chetty johnsonche...@gmail.com
mailto:johnsonche...@gmail.com wrote:

http://14.139.123.10:8080/osm/slippymap.html


On Thu, 5 Mar 2015 16:20 Arun Ganesh arun.plane...@gmail.com
mailto:arun.plane...@gmail.com wrote:

On Thu, Mar 5, 2015 at 11:23 AM, Johnson Chetty
johnsonche...@gmail.com mailto:johnsonche...@gmail.com
wrote:

Hello,

By the way, the tile service is still running on the
server ... in case the new server acquisition and setup
would take time.

Is there a url for this?

Cheers,

On 1 March 2015 at 19:59, satyaakam goswami
satyaa...@gmail.com mailto:satyaa...@gmail.com wrote:

On Thu, Feb 19, 2015 at 9:35 AM, Shekhar Krishnan
shek...@topomancy.com
mailto:shek...@topomancy.comwrote:

Knock knock. We were moving along with this and
the thread sputtered out.


yeah we are here , do we have the servers ready , i
have some holidays coming up for Holi can work then .


-Satya
Satyaakam.net

Re: [Talk-in] Indian OSM server

2015-03-06 Per discussione Shekhar Krishnan
I do not recommend using the TIFR servers for community purposes as we have
nobody on staff currently to manage them.

My offer of hosting via Topomancy still stands. Alex from Mapbox also
mentioned a possibility of support. Sajjad and Sanjay should advise.

S.K.
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On 05-Mar-2015 1:54 pm, Johnson Chetty johnsonche...@gmail.com wrote:

 Hello,

 By the way, the tile service is still running on the server ... in case
 the new server acquisition and setup would take time.

 Cheers,

 On 1 March 2015 at 19:59, satyaakam goswami satyaa...@gmail.com wrote:

 On Thu, Feb 19, 2015 at 9:35 AM, Shekhar Krishnan shek...@topomancy.com
 wrote:

 Knock knock. We were moving along with this and the thread sputtered out.


 yeah we are here , do we have the servers ready , i have some holidays
 coming up for Holi can work then .


 -Satya
 Satyaakam.net | fossevents.in |

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Re: [Talk-in] Indian OSM server

2015-01-28 Per discussione Shekhar Krishnan
If we're agreed on everything then what I propose is we go ahead with a 
dedicated box so work can start.


Topomancy is about to retire a server which can be redeployed for 
dedicated use by OSM India.


I'll assess the costs in a month or so and reply on list asking for 
sponsorships or donations. Topomancy can underwrite the costs for now.


Sanjay, Satyakaam, can we start rolling? Are there any explicit policies 
we want to set out on this list for sys admins and account holders?


Best,


Shekhar


On 01/29/15 02:52, Alex Barth wrote:


On Wed, Jan 28, 2015 at 2:29 PM, Shekhar Krishnan shek...@topomancy.com
mailto:shek...@topomancy.com wrote:

Can't Mapbox India underwrite this small expense for the India
community? Mikel, any thoughts?


Happy to talk if there's a need to sponsor servers.


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Re: [Talk-in] Indian OSM server

2015-01-28 Per discussione Shekhar Krishnan
As a staff member of HBCSE, I request that we not rely on this server, 
as we're moving towards off-site hosting for anything but lab 
experiments. This is not appropriate for community use.



S.K.


On 01/29/15 05:28, Johnson Chetty wrote:

Hello,

Sorry for the extended silence.

FWIW:
The Indian OSM Tile server was done quite a while back, around April
2014. Dr. Nagarjun, HBCSE had given us a machine in HBCSE and it was
serving away all the same. It's has been just sitting the same way until
Dec. end when we recommissioned it for tree mapping.

http://14.139.123.10:8080/osm/slippymap.html

Local tiles for India with minutely updates were enabled as well, though
not needed i believe. Have just changed it to nightly.

The machine specs are:
Ubuntu 12.04
8 x 1.4GHz cores
8 GB RAM
Roughly around 850GB

The server has been recommisioned, as there were no further updates.
Arun and Satyakam both have logins on the machine already.

If we want to get things up on an interim basis, we can do so with the
setup and get up styling enabled for it.
Atleast we have some thing ready somewhere, so the designers can try
stuff out.

Cheers,



On 29 January 2015 at 02:52, Alex Barth a...@mapbox.com
mailto:a...@mapbox.com wrote:


On Wed, Jan 28, 2015 at 2:29 PM, Shekhar Krishnan
shek...@topomancy.com mailto:shek...@topomancy.com wrote:

Can't Mapbox India underwrite this small expense for the India
community? Mikel, any thoughts?


Happy to talk if there's a need to sponsor servers.

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Re: [Talk-in] Indian OSM server

2015-01-28 Per discussione Shekhar Krishnan



On 01/29/15 10:00, satyaakam goswami wrote:


​Hi Shekhar,​
​  S
o what is the plan now are we going to use the ​HBCSE​ setup or create a
new one ?


Create a new one. Sanjay and I will follow up when he's up and online 
today or soon.



​i have asked Johnson ​for credentials on the present server , may be we
can use it as a staging server.


My recommendation is to not use it at all except for purely temporary 
purposes.



S.K.





thanks
​
​
-Satya
Satyaakam.net http://satyaakam.net/| fossevents.in
http://fossevents.in/ |​




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Re: [Talk-in] Indian OSM server

2015-01-28 Per discussione Shekhar Krishnan
This then goes back to the hosting question. Our original offer was
co-hosting on the server which also hosts OHM (and ChaloBEST). This is
apparently undesirable to the community.

We could provide a dedicated box, but that was not my intent in restarting
this thread, which goes back years. My aim was to remove the obstacle if
hosting and storage are issues.

Also hosting at HBCSE/TIFR (where I work and where Johnson made a start on
this) is not reliable, as sys-admins there are few and overburdened, and
servi es are unreliable.

At this point only a small number of active OSM India enthusiasts would be
using this service. Can we use a VM for now? If we're asking for a
dedicated box I'll have to approach Tim and Schuyler in Topomancy to see if
they agree.

Can't Mapbox India underwrite this small expense for the India community?
Mikel, any thoughts?

S.K.
On Jan 27, 2015 8:33 PM, Sanjay Bhangar sanjaybhan...@gmail.com wrote:

 Hey hey,

 Many apologies for the confusion there, then - I think I was half
 remembering conversations from some time ago where that was the plan.
 If the plan is just to mirror the OSM data and provide alternate
 styles more appropriate for India and localized, let's rock on :)

 I guess we still need a server for this, though, as people have
 rightly pointed out, its probably not a good idea to co-host with OHM.

 Thanks - and sorry again for the confusion :) - great to know that the
 boundary issue can also be managed with styles alone, that sounds
 great.

 Cheers,
 Sanjay

 On Tue, Jan 27, 2015 at 8:27 PM, H.S.Rai hardeep@gmail.com wrote:
  On Tue, Jan 27, 2015 at 3:42 PM, Arun Ganesh arun.plane...@gmail.com
 wrote:
 
  The boundaries remain a big reason to have our own tiles. All this
 takes is
  changes to the stylesheet, not the data itself.
 
  +1
 
  I am unable to get message which caused this confusion.
 
  We intend to have only tile server.
 
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Re: [Talk-in] Indian OSM server

2015-01-26 Per discussione Shekhar Krishnan
Johnson has access to the same server where OHM is hosted, known as
hackercoop, which is a community server provided courtesy of Topomancy
(which is me, Schuyler Erle and Tim Waters).

Since most if not all of the required stack is already installed and
configured for http://openhistoricalmap.org it shouldn't be too hard to
setup http://openstreetmap.in there. Johnson will need guidance from Sanjay
or Sajjad.

If we have consensus on this can we start setup? Satyakaam, you can ping
and point the nameservers at the hackercoop box (on which you should also
have an account, send keys to Sanjay if not).

Best,


S.K.

On Mon, Jan 26, 2015 at 1:33 PM, Arun Ganesh arun.plane...@gmail.com
wrote:



 On Mon, Jan 26, 2015 at 12:26 PM, satyaakam goswami satyaa...@gmail.com
 wrote:

 Via Topomancy, Sanjay Bhangar and I have a server with ample speed and
 space to host openstreetmap.in and related projects for at least one
 year. We are providing the same service to OpenHistoricalMap.


 lets talk about it , OpenHistoricalMap is something interesting would
 like to learn more about it .


 OHM info and mailing list:
 http://wiki.openstreetmap.org/wiki/Open_Historical_Map

 Meanwhile, lets start on OSM India. Johnson has already taken the first
 steps, looking forward to hearing from him.


 ​​
 -Satya
 Satyaakam.net http://satyaakam.net/ | fossevents.in |​


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Re: [Talk-in] Indian OSM server

2015-01-25 Per discussione Shekhar Krishnan
Shall we take this forward per Arun's proposal? I guess the question of
edits and forks has been addressed? Is there further consensus required on
this list?

Via Topomancy, Sanjay Bhangar and I have a server with ample speed and
space to host openstreetmap.in and related projects for at least one year.
We are providing the same service to OpenHistoricalMap.


S.K.

On Tue, Apr 15, 2014 at 3:40 PM, Ishan Chattopadhyaya 
ichattopadhy...@gmail.com wrote:

 Thanks Satyakam,
 I've put up a Wiki page on OSM wiki with this:
 https://wiki.openstreetmap.org/wiki/IN:Proposal

 Linked it from the domains page:
 https://wiki.openstreetmap.org/wiki/Domain_names#Countries_domains

 Regards,
 Ishan


 On Tue, Apr 15, 2014 at 3:08 PM, satyaakam goswami satyaa...@gmail.com
 wrote:

 On Mon, Apr 14, 2014 at 8:49 PM, satyaakam goswami satyaa...@gmail.com
 wrote:

  Hi All,
   There has been lots of discussions with both for and against
 setting up a server for India , i have setup a
 https://www.loomio.org/d/IThldJoE/openstreetmap-in-do-we-really-want-to-make-this-happen
 , do add yourself and lets come to a consensus on this topic.


 ​oh forgot to mention there was a document drafted some time last year by
 Arun Ganesh here it is
 https://docs.google.com/document/d/1nXz_oWkb29GBx-wGuMlD5yWUs_p2VRb8invFTVt8fu4/edit
 .


 ​
 ​
 -Satya
 Satyaakam.net http://satyaakam.net/ | fossevents.in | fossacademy.org​

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Re: [Talk-in] State of the Map India

2014-04-19 Per discussione Shekhar Krishnan
Pradeep:

Yes we can always do this at HBCSE/TIFR http://www.hbce.tifr.res.in in
Mumbai, where we have residential and lab facilities and a nice campus.
Also I own sotm.in and stateofthemap.in just in case. Let's talk!

Best,

Shekhar
On 19 Apr 2014 21:36, Pradeep Mohandas pradeep.mohan...@gmail.com wrote:

 Are we in any position to do a State of the Map in India?

 Pradeep


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Re: [Talk-in] Mappy hour?

2012-11-26 Per discussione Shekhar Krishnan

Dear Russ and All:

Tomorrow (Tuesday 27 Nov) doesn't work for me, since I just realised 
that this Wednesday is a state holiday and I'll have to work late.


Perhaps Wednesday 28 Nov would be better, since more folks will be free 
to travel and maybe taking a break.


We can meet in Worli at the flat of Sanjay Bhangar (also on this list), 
as wifi is currently broken in my office in Matunga West. Worli is 
nearby. Subhodip, Arun, Mikel etc. know the place.


The address is 105, Madhuli Apartments, opposite Nehru Planetarium and 
Atria Mall, Dr Annie Besant Road, Worli. My contact number is 
98200.45529 and Sanjay's is 98200.53341.


Russ, does this work for you, and if so can we confirm the meetup on 
Wednesday evening? Let's do it around 6 or 7pm since me and others will 
need to commute home by 9pm or so.


Best,


Shekhar


On Friday 23 November 2012 10:26 AM, paramvi...@gmail.com wrote:

Sounds good. Can someone post directions?
Sent from BlackBerry® on Airtel

-Original Message-
From: Russell Nelson russnel...@gmail.com
Date: Thu, 22 Nov 2012 23:53:09
To: talk-intalk-in@openstreetmap.org
Reply-To: talk-in@openstreetmap.org
Subject: Re: [Talk-in] Mappy hour?

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Re: [Talk-in] Mappy hour?

2012-11-22 Per discussione Shekhar Krishnan
Sure. Let's do a meetup next week in the evening sometime. Other Mumbai
OSMers around?

Please call me 98200.45529. My office is in Matunga West/Mahim and we can
most probably meet there.

Best,

Shekhar
--

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Topomancy LLC
48, Whipple Street, #1B
Brooklyn, NY, U.S.A.

http://shekhar.cc
On Nov 22, 2012 2:56 AM, Russell Nelson russnel...@gmail.com wrote:

 Hey everybody, I'm going to be arriving in Mumbai Sunday morning, here for
 a week. Does anybody want to get together of an evening, do some armchair
 mapping, talk about OSM, whatever? We usually work until 7:30 or 8, so I'm
 available after that. I'm working at Rediff in Mahim, but my hotel is the
 Bawa International in Santa Cruz, but I can make my way around Mumbai as
 needed.
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Re: [Talk-in] Fwd: NSDI Geoportal

2012-04-03 Per discussione Shekhar Krishnan

We should submit this portal for MetaRefresh http://metafresh.in

Arun, do you know folks there in Govt or HRD/ST ministry?


S.K.

On 04/03/2012 07:01 PM, Arun Ganesh wrote:

I stumbled upon the National Spatial Data Infrastructure site which
'aspires' to put a lot of geodata into public domain for the benefit of
the public. I got pretty excited and made an account hoping to find
something new, but it became some kind of extreme internet hurdle test
to get anything to work.

For your pleasure, if anyone has some free time and would like to know
how bad websites are made: http://nsdiindia.gov.in/

Please let me know if you manage to see any data at all.

--
j.mp/ArunGanesh http://j.mp/ArunGanesh




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Re: [Talk-in] Mumbai Brownfields

2011-08-04 Per discussione Shekhar Krishnan

Arun:

 Shekhar, can you list out the different classes (official and non
 official) of such dense settlements which look like slums, what they are
 locally called and their description? These areas are of high interest
 to urban planners, govt bodies, NGO's etc and having them mapped
 appropriately will definitely be a lot of help to different parties.

Here is a study I participated in several years ago on Housing 
Typologies in Mumbai:

http://www.urban-age.net/0_downloads/House_Types_in_Mumbai.pdf

I was hoping someone like you with better knowledge would
 bring this up and propose a more meaningful tag. Replacing tags does not
 require much effort.

It's not about replacing tags, it's the logic of tracing something that 
looks contiguous from the bird's eye but is actually quite a mixed 
environment. These are not even common neighbourhoods where 
place=locality would be appropriate.


 Going by the wikipedia definition of brownfield land
 http://en.wikipedia.org/wiki/Brownfield_land, i did not think it was
 totally inappropriate either.

Yes it is, brownfields are contaminated or former industrial sites which 
are either abandoned or slated for redevelopment. Urban mixed 
settlements in India are entirely unrelated.


My interest is in 'slums' which have
 unregulated and unplanned developments (and have been marked by the
 government for rehabilitation, clearing and redevelopment).

Redevelopment is a highly political process, as is the meaning of the 
term slum, which is often used to indicate a desire to displace poor 
people and demolish their settlements.


I don't believe our cartography should reflect the view of government or 
builders who seeks to clear and rebuild entire areas to favour certain 
classes. Slums encompass a wide spectrum and continuum of housing 
practices. Most such settlements require upgradation, better services, 
and in-situ development. That's a different debate.


No settlement in Mumbai is unregulated or unplanned, informal housing 
comes up in areas which are marked on plans for other purposes and are 
usurped by local officials and landowners/slumlords. They are highly 
regulated as far as water, sanitation, electricity and other services 
are concerned.


Maps have their own ethics. I think we should all be careful that our 
desire for transparency does not end up making some people more 
vulnerable, by putting them on the map in the wrong way. That said, I'm 
very eager to map houses, markets, workshops, schools and temples in the 
wadis, koliwadas, gaothans, chawls of Mumbai.


Best,


Shekhar


On 08/03/2011 03:03 PM, Arun Ganesh wrote:



On Wed, Aug 3, 2011 at 11:56 AM, Shekhar Krishnan shek...@mit.edu
mailto:shek...@mit.edu wrote:

All:

I noticed activity in Mumbai recently by Arun Ganesh (PlaneMad)
where a lot of landuse:brownfield areas are being traced around
various villages, koliwadas, wadis, slums and mixed-use and
industrial settlements.

I know there was some earlier discussion of how to tag so-called
slums but brownfield is certainly not appropriate, see the tag
which is land scheduled for new development
http://wiki.openstreetmap.org/wiki/Tag:landuse%3Dbrownfield

It seems that this tag is being used indiscriminately across any
cluster in Mumbai which appear dense, this covers a wide spectrum of
settlements that all look the same from a satellite image.


Hi Shekhar, I wanted to do an analysis of how much area such settlements
cover and was tracing the boundaries of these areas. Since there isn't
any agreed convention, i just continued what an earlier user had done in
south mumbai.

--
j.mp/ArunGanesh http://j.mp/ArunGaneshhttp://j.mp/ArunGanesh



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[Talk-in] Mumbai Brownfields

2011-08-03 Per discussione Shekhar Krishnan

All:

I noticed activity in Mumbai recently by Arun Ganesh (PlaneMad) where a 
lot of landuse:brownfield areas are being traced around various 
villages, koliwadas, wadis, slums and mixed-use and industrial settlements.


I know there was some earlier discussion of how to tag so-called slums 
but brownfield is certainly not appropriate, see the tag which is 
land scheduled for new development

http://wiki.openstreetmap.org/wiki/Tag:landuse%3Dbrownfield

It seems that this tag is being used indiscriminately across any cluster 
in Mumbai which appear dense, this covers a wide spectrum of settlements 
that all look the same from a satellite image.


While I am always happy to see more people helping map Mumbai -- there 
are only a handful of us -- I'm opposed in principle to tagging dense 
areas inhabited by 60% of the population as brownfield.


Best,


S.K.
--

Shekhar Krishnan
58/58A, Anand Bhavan
201, T.H. Kataria Marg (Lady Hardinge Road)
Matunga (West), Mumbai 400016, India

http://heptanesia.net
http://web.mit.edu/shekhar

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Re: [Talk-in] Mumbai Map Cleanup

2010-12-12 Per discussione Shekhar Krishnan
Is anyone based in Mumbai interested in meeting up some evening over the 
next few weeks to discuss strategies for developing OpenStreetMap in 
Mumbai? Please contact me and we can fix a date and venue.


Best,


Shekhar

On 04/11/2010 08:11 PM, Arun Ganesh wrote:

I just checked out the area, and it is littered with untagged nodes
(43,000? http://www.openstreetmap.org/browse/changeset/4362880), like
you said, the building geomentry is broken and there are no segments
connecting the nodes :(

Regarding using the mumbai freemap as a base, i have still not been able
to access the map till date http://mumbai.freemap.in/ i can only see a
bunch of points, and even that breaks when zoomed in. Does the dataset
contain streetnames?

On Sun, Apr 11, 2010 at 7:26 PM, Shekhar Krishnan shek...@mit.edu
mailto:shek...@mit.edu wrote:

Yesterday I uploaded a set of buildings for the Colaba-Cuffe Parade
area of South Mumbai based on the datasets which our group CRIT
created through our Mumbai Freemap project several years ago. Our
shape files were converted to OSM using polyshp2osm.py and tagged
and uploaded via JOSM. One can now see a sprinkling of new buildings
here:
http://www.openstreetmap.org/?lat=18.91115lon=72.81534zoom=15
http://www.openstreetmap.org/?lat=18.91115lon=72.81534zoom=15

Editing these files in JOSM is *very* slow and difficult, as is
uploading via JOSM or using the batchupload py scripts. For each
shape file we have for all of Greater Mumbai, the shp2osm conversion
yields 40-50 osm files which must be uploaded individually. After
trying just one file, less than half of the total buildings are
being rendered by Mapnik, perhaps because their geometries are broken.

But the process works, and with more time and effort could result in
a major contribution to OSM which I've wanted to do for years now.
The AND data for Mumbai is both generally skewed and is very
inaccurate in some places (and fixed in others, thanks to
volunteers). And it is mostly just major roads. I agree with Arun
and Kenneth that it is perhaps easier to start afresh. Another
option is to use our datasets as a base from which to start, via
shp2osm conversion of our layers.

Our freemap dataset contain layers for buildings, roads, and other
public and reserved plots, with further work on conversion/import
and mapping attributes to tags we could make a significant
contribution to an entirely new OSM Mumbai either through direct
upload or conflation with the existing coverage from AND and volunteers.

Best,


Shekhar

PlaneMad wrote:

On Thu, Mar 18, 2010 at 12:27 PM, PlaneMad
theplane...@gmail.com mailto:theplane...@gmail.com
mailto:theplane...@gmail.com mailto:theplane...@gmail.com
wrote:

 From my experience fixing Mumbai, i have come to realize
that its
pretty much impossible to realign the streets in parts without
confusing yourself. I had started deleting unnamed AND ways
to make
the task easier, but that didnt help too much as you lose the
reference street geometry to match with the yahoo imagery.

I feel the best way to fix the map is to remove all the AND
paths
completely, start tracing the roads and name them by using
an old
extract of the original AND import as reference. Good idea?
-- http://j.mp/ArunGanesh


Btw, i will be in Mumbai to attend India HCI at IIT powai from
20-24. If anybody else is attending, we could try to work
something out with the IIT students.

--
http://j.mp/ArunGanesh




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Re: [Talk-in] about a story in the sunday mid day, a newspaper in mumbai, india

2010-10-19 Per discussione Shekhar Krishnan
I just spoke with Sowmya Rajaram from Mid-Day and will be meeting her to 
talk more about OSM and web mapping in Mumbai on Thursday 21 October in 
the early evening.


If anyone on this list from wants to join us for this meeting to talk 
about their experience with OSM in Mumbai, please email me and I will 
let you know the time and place to meet on Thursday, somewhere in Parel 
or Dadar.


Best,


Shekhar


On 10/19/2010 01:52 PM, Mikel Maron wrote:

Yes, the India talk list is the forum to communicate with the core
active members of OSM India. I'm forwarded this email to them, and hope
that somewhere there can step up to help.

-Mikel
== Mikel Maron ==
+254(0)724899738 @mikel s:mikelmaron
http://mapkibera.org/
http://wiki.openstreetmap.org/index.php/Haiti



*From:* Jochen Topf joc...@remote.org
*To:* Sowmya Rajaram sowmy...@gmail.com
*Cc:* mikel_ma...@yahoo.com; t...@openstreetmap.org
*Sent:* Tue, October 19, 2010 11:04:10 AM
*Subject:* Re: about a story in the sunday mid day, a newspaper in
mumbai, india

Hi!

More information about OSM in India is here:
http://wiki.openstreetmap.org/wiki/India
There is also a mailing list here:
http://lists.openstreetmap.org/listinfo/talk-in .

I am forwarding this email to Mikel Maron who has actually done some OSM
activities in India and might be more able to help with your questions. I am
also sending it to the general community talk mailing list. Maybe somebody
there is from Mumbai and can help you.

Jochen

On Tue, Oct 19, 2010 at 12:47:23PM +0530, Sowmya Rajaram wrote:
  From: Sowmya Rajaram sowmy...@gmail.com mailto:sowmy...@gmail.com
  Date: Tue, 19 Oct 2010 12:47:23 +0530
  Subject: about a story in the sunday mid day, a newspaper in mumbai,
india
  To: jochen.t...@geofabrik.de mailto:jochen.t...@geofabrik.de
 
  Hi
  I write to you as the assistant editor of the Sunday Mid Day, a newspaper
  published in Mumbai, India. I was interested in doing a story on the Open
  Street Map project and saw your email on a presentation on the subject on
  Slidehshare. Please let me know how and when to contact you for more
  information. If you could also give me some contacts for people involved
  with the project in Mumbai and/or India, it would be really useful. I'm
  doing the story this week, so I'd appreciate a quick response. Do let me
  know. Thanks.
 
  --
  Sowmya Rajaram
  Sunday Mid Day,
  Mid Day Infomedia Ltd,
  Peninsula Centre,
  Dr SS Rao Road,
  Opposite Mahatma Gandhi Hospital,
  Parel (East),
  Mumbai 400012
  Phone: 67017188

--
Jochen Topf joc...@remote.org
mailto:joc...@remote.orghttp://www.remote.org/jochen/ +49-721-388298




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Malad (West), Mumbai 400064, India

http://crit.org.in
http://heptanesia.net

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Re: [OSM-talk] who moved Mumbai?

2008-07-06 Per discussione Shekhar Krishnan
I have also imported the road network layer from the Mumbai Freemap and here
is the WMS URL:

http://mumbai.freemap.in/wms.cgi?srs=epsg:4326format=image/pngrequest=GetMapservice=WMSversion=1.1.1layers=road_net_line_4326

Good for comparing to AND's road network. ;-)


S.K.

2008/7/6 Shekhar Krishnan [EMAIL PROTECTED]:

 I spent today attempting to grapple with these issues, with some success.
 We've reprojected the WMS into wgs84 (EPSG:4326) from UTM 43N (EPSG:32643)
 by reprojecting the shape files using ogr2ogr. This fixed the WMS problem,
 and I have succesfully loaded these URLs for different layers from the
 Mumbai Freemap in JOSM:

 Buildings (Polygons)

 http://mumbai.freemap.in/wms.cgi?srs=epsg:4326format=image/jpegrequest=GetMapservice=WMSversion=1.1.1layers=building_polygon_4326

 Building Outlines (Lines)

 http://mumbai.freemap.in/wms.cgi?srs=epsg:4326format=image/jpegrequest=GetMapservice=WMSversion=1.1.1layers=building_line_4326

 Municipal Land Use Reservations (Polygons)

 http://mumbai.freemap.in/wms.cgi?srs=epsg:4326format=image/jpegrequest=GetMapservice=WMSversion=1.1.1layers=reserved_polygon_4326

 There are several other layers in http://mumbai.freemap.in that are not
 here yet, and I will work on grouping and styling them so there is only one
 for buildings and another for road and rail networks and send around new
 links. A quick glance at the results in OSM shows that as reported, with the
 AND data on OSM right now, everything has been moved east and north, though
 this is not consistent and in Central Mumbai the offset seems to becomes
 less.

 This raises the question of what to do generally about Mumbai in OSM. While
 a WMS overlay looks nice and can be traced by volunteers with a great deal
 of time and effort, I am more interested in directly loading these shape
 files into JOSM and supplementing or replacing the AND data with our Mumbai
 Freemap layers. I am happy to share these shape files with anyone in the OSM
 community who might be able to lend a hand using osmlib, ruby-shapefile,
 gml2osm, or any other method.

 A correction to Mikel: the third dataset which you mentioned we have from
 the Govt of Maharashtra PWD is not of Mumbai, but of the rest of the state,
 and contains the entire road network, all village names and maps, and
 district boundaries for Maharashtra. These are also shape files with their
 own pecularities.

 I've had issues both with JSOM and the WMS plugin which I'll also note
 here. I'm a newcomer to both, so any help is appreciated. Downloading data
 for Mumbai from OSM and from local OSM instances such as
 http://demo.binyasit.com:3000/ almost always returns only a snippet of the
 area which I select from the permalink. I'm not sure why, sometimes I get
 the fulll boundaries of Greater Mumbai and then a handful of nodes.

 Also, the WMS plugin is not very good at saving changes made to new
 entries, which often revert to the previous saved entry after restarting
 JSOM. This has made it difficult to keep track of which WMS URL is being
 called as the menu is not refreshed after saving a URL and restarting JSOM.
 The other issue, which Chippy raised, is the lack of UTM support in the WMS
 plugin which should be addressed as we would rather use our UTM projection
 fof maximum accuracy.

 Thanks for the help and support!

 Best,


 Shekhar

 2008/7/6 Tim Waters (chippy) [EMAIL PROTECTED]:

 UTM which EPS:32643 appears to be, could be implemented within the
 wmsplugin.

 The WMSplugin uses some classes from jcoord, to convert from OSGB
 (what the NPE wms server uses) to wgs84. (OSGB is itself Transverse
 Mercator too)

 Looking at the jcoord package, it also has classes to convert from UTM
 zones also :
 http://www.jstott.me.uk/jcoord/api/1.1-b/uk/me/jstott/jcoord/UTMRef.html
 So I'd think the wmsplugin could be hacked to get it working
 reasonably easily.

 Regards,

 Tim

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 India
 
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9 Supriya, 2nd Floor
Plot 709, Parsee Colony Road no.4
Dadar, Mumbai 400014
India

http://web.mit.edu/shekhar
http://heptanesia.net
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Re: [OSM-talk] who moved Mumbai?

2008-07-05 Per discussione Shekhar Krishnan
Since someone mentioned the Mumbai Freemap [1] into OSM, I thought I would
finally introduce myself to the list. I am coordinator of the project, which
was developed in 2005-2006 to showcase the kind of geo-data being collected
by volunteers in Mumbai's architect and activist communities connected to
CRIT (Collective Research Initiatives Trust) [2].

The data itself is poorly formed, having been originally drawn in AutoCAD
without geographic attributes and retrospectively warped into shape files
from sets of disconnected lines and attribute tables [3]. In our community
mapping project, we now hope to merge our base layers into OSM and train
groups in JOSM to detail particular areas, which we can use as the basis for
projects on public spaces, community housing and heritage conservation in
Mumbai.

For some time now we have wanted to contribute this data to OSM, and we now
have devoted funds from UNDP [4] which we plan to use in support of OSM as
an infrastructure for our research and design practice. Earlier this year
Mikel Maron and Schuyler Erle organised a series of Freemap/OSM  workshops
[5] which seeded new communities in cities across India, and in Mumbai
generated significant interest.

We think that the existing Mumbai Freemap is mostly useful as a backdrop
(WMS) against which new nodes and relations need to be traced and tagged
within OSM, and we are determined to migrate our vector data into OSM in
stages over the next few months. Chris Schmidt wrote this script [6] to
migrate MassGIS shape files into OSM.

Any suggestions on how best to approach this SHP to OSM migration and the
wider goals of our project are most welcome!

Best,


Shekhar

[1] http://mumbai.freemap.in
[2] http://crit.org.in
[3] http://wiki.freemap.in/moin.cgi/MumbaiFreeMapDatabase
[4] http://www.apdip.net/projects/ictrnd/2005/l43-in/
[5] http://wiki.freemap.in/moin.cgi/FreeMapIndia2008
[6] http://boston.freemap.in/osm/files/mgis_to_osm.py



2008/7/5 Nathan Vander Wilt [EMAIL PROTECTED]:

 On Jul 5, 2008, at 1:01 AM, Kenneth Gonsalves wrote:
  On 05-Jul-08, at 3:24 AM, Frederik Ramm wrote
 
  everything is AND and everything is consistently out of place to
  the  southeast with the same offset - is there any way to
  programmatically  change this?
 
  I have a script that I could use for this task if people want.
  Obviously I'd need to know exactly what to move and by what amount...
 
  cool - will measure the offset and revert

 Are you sure this isn't a coordinate system datum issue? If the AND
 data uses a different datum than WGS-84, it may be more than just a
 simple offset for all vertices that you need. There are several open
 source programs available for converting from one datum to another.
 What datum is the original AND data in?

 thanks,
 -natevw

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Plot 709, Parsee Colony Road no.4
Dadar, Mumbai 400014
India

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http://heptanesia.net
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