[OHM] Building Infrastructure for OHM ­­ RPA Historic Wetland Mapping

SK53 sk53.osm at gmail.com
Fri Oct 30 15:08:36 UTC 2015


You can also save all your control points in cases of glitches, but not
sure if possible to restore them. Just add /gcps to the url of the map, as
in http://mapwarper.net/maps/8225/gcps.

Tim may elucidate when he catches up with this conversation.

Jerry

On 30 October 2015 at 14:54, Sanjay Seth <sanjay at rpa.org> wrote:

> It looks like I would have to get an Admin account to do batch imports?
>
> Between manual control points and batch imports, I think we’re set. This
> is a great tool.
>
>>
> *Sanjay Seth* | Research Analyst
>
> Regional Plan Association
>
> (917) 546-4327 | rpa.org
>
>
> From: Albin Larsson <albin.post at gmail.com>
> Date: Fri, 30 Oct 2015 10:49:05 -0400
> To: Sanjay Seth <sanjay at rpa.org>
> Cc: SK53 <sk53.osm at gmail.com>, "Historic at openstreetmap.org" <
> historic at openstreetmap.org>
> Subject: Re: [OHM] Building Infrastructure for OHM ­­ RPA Historic
> Wetland Mapping
>
> Maps Warper support batch imports too so I guess it would be a great match
> for this project.
>
> //
> Albin
> On Oct 30, 2015 15:45, "Sanjay Seth" <sanjay at rpa.org> wrote:
>
>> Awesome! Sorry, a bit new to MapWarper. But thanks for pointing that out.
>> Didn’t see the control panel. That’s perfect!
>>
>>>>
>> *Sanjay Seth* | Research Analyst
>>
>> Regional Plan Association
>>
>> (917) 546-4327 | rpa.org
>>
>>
>> From: SK53 <sk53.osm at gmail.com>
>> Date: Fri, 30 Oct 2015 10:35:34 -0400
>> To: Sanjay Seth <sanjay at rpa.org>
>> Cc: Albin Larsson <albin.post at gmail.com>, "Historic at openstreetmap.org" <
>> historic at openstreetmap.org>
>> Subject: Re: [OHM] Building Infrastructure for OHM ­­ RPA Historic
>> Wetland Mapping
>>
>> You can manually add control points in MapWarper: I've done it as a
>> starting point for a few GSGS 3906 maps by finding the lat/lon for the
>> corners (IIRC using nearby.co.uk). All you do is mark the relevant point
>> on the target, mark anywhere in the rectification layer and then adjust the
>> lat lon values in the control panel.
>>
>> Jerry
>>
>> On 30 October 2015 at 14:34, Sanjay Seth <sanjay at rpa.org> wrote:
>>
>>> Very cool! Thanks for doing that, Albin. I’ll start testing it out
>>> locally and will let you know how it goes!
>>>
>>> I would love to use Map Warper. It just doesn’t seem to work for these
>>> maps. The NOAA maps only map out natural features – so, there aren’t really
>>> any strong points to use for rectification. It’s from the 1830’s, so you
>>> can’t use the coastline or riverbeds – and there aren’t any roads on these
>>> maps.
>>>
>>>
>>>
>>>
>>> The only accurate way to do the rectification for these maps is to use
>>> these graticules, translate into decimal degrees, and create a
>>> rectification point from that:
>>>
>>>
>>>
>>> It doesn’t seem as though map warper allows you to make custom
>>> rectification points based off the decimal degrees of the point – but is
>>> rather a more visual interface that requires the historic maps to have a
>>> feature represented on the current OSM map.
>>>
>>>>>>
>>> *Sanjay Seth* | Research Analyst
>>>
>>> Regional Plan Association
>>>
>>> (917) 546-4327 | rpa.org
>>>
>>>
>>> From: Albin Larsson <albin.post at gmail.com>
>>> Date: Thu, 29 Oct 2015 19:52:42 -0400
>>> To: Sanjay Seth <sanjay at rpa.org>
>>> Cc: SK53 <sk53.osm at gmail.com>, "Historic at openstreetmap.org" <
>>> historic at openstreetmap.org>
>>> Subject: Re: [OHM] Building Infrastructure for OHM ­– RPA Historic
>>> Wetland Mapping
>>>
>>> Maps Warpers mask feature can deal with those map borders ;-)
>>>
>>> Here is the OHM instance of TM:
>>> https://github.com/Abbe98/osm-tasking-manager2/tree/RPA-wetlands
>>>
>>> Everything should be working except, making queries directly to OHM
>>> using the Overpass Turbo link, it's possible using some data setting in the
>>> URL but I haven't used it recently. Some string could say OpenStreetMap in
>>> some places to but most of them should be right.
>>>
>>> For OAuth I created an app "RPA - Wetlands" it's "Main Application URL"
>>> is set to the Github repo but as far as I remember this won't be an issue
>>> at least not when running it locally.
>>>
>>> //
>>> Albin
>>>
>>> 2015-10-29 21:17 GMT+01:00 Sanjay Seth <sanjay at rpa.org>:
>>>
>>>> That was quick! Looking forward to test driving the TM tomorrow. Thanks
>>>> for jumping in on this, Albin.
>>>>
>>>> The good thing about the maps we have chosen is that, based on the 1830
>>>> to 1850 time period, there isn't significant overlap of map content.
>>>> However, there are overlapping borders that do need to be cropped out.
>>>>
>>>> I am hesitant to use Map Warper for these historic maps, as the
>>>> features on the map are mostly natural. But I could be convinced. Here's
>>>> our current methodology for georeferencing:
>>>> https://www.dropbox.com/s/g2fz8ti9npmbh30/Tutorial_and_Methodology_for_Mapping_Historic_Wetlands.pdf?dl=0
>>>>
>>>> These are all of the maps we are going to georeference from the NY
>>>> metro region:
>>>> https://www.dropbox.com/sh/q73vhjrnj0e1lbf/AADTjbuSbYM7n2JgtWLG-vOya?dl=0
>>>>
>>>> This is a map RPA created in 2003 that looks at many of the historic
>>>> wetlands in the NY/NJ Harbor, from a single British survey map:
>>>> https://www.dropbox.com/s/pc0p9i6nlvfs1tm/RPA_Historic_TIdelands_NYNJ_Harbor_Estuary.jpg?dl=0
>>>>
>>>> And here are some examples of georeferenced maps (Tif):
>>>> https://www.dropbox.com/sh/xe0naanoabdtavt/AACiPDiUyGJA6LbrOjIOpqO2a?dl=0
>>>>
>>>> In order to create a draft TMS, I uploaded the individually referenced
>>>> maps as GeoTIFFs into TileMill, combined into a single map, and was able to
>>>> export a single map in a TMS format.
>>>>
>>>> However, ideally to make this scalable beyond the New York metro
>>>> region, we would want to use something like MapWarper to make it easy for
>>>> others to georeference other geographies or times series.
>>>>
>>>> Thoughts?
>>>>
>>>> Thanks! -s
>>>>
>>>>
>>>> Sanjay Seth | Research Analyst
>>>> (917) 546-4327 | www.rpa.org
>>>> Regional Plan Association
>>>> ________________________________________
>>>> From: Albin Larsson [albin.post at gmail.com]
>>>> Sent: Thursday, October 29, 2015 3:51 PM
>>>> To: SK53
>>>> Cc: Historic at openstreetmap.org
>>>> Subject: Re: [OHM]      Building Infrastructure for OHM ­– RPA Historic
>>>> Wetland Mapping
>>>>
>>>> But that wouldn't work if the maps overlap? Such as maps over the same
>>>> area but for different time periods.
>>>>
>>>> I got an instance of TM up and running against OHM, will probably find
>>>> some issues but is published my code later tonight.
>>>>
>>>> //
>>>> Albin
>>>>
>>>> You need to look at what Donal Diamond (IrlJdel) does for the GSGS3906
>>>> maps which are individually warped on map warper, but pulled together in a
>>>> single TMS layer.
>>>>
>>>> Example individual map TMS:
>>>> http://mapwarper.net/maps/tile/11180/{zoom}/{x}/{y}.png<
>>>> http://mapwarper.net/maps/tile/11180/%7Bzoom%7D/%7Bx%7D/%7By%7D.png>
>>>> Combined TMS: tms[18]:
>>>> http://mapwarper.net/layers/tile/101/{zoom}/{x}/{y}.png<
>>>> http://mapwarper.net/layers/tile/101/%7Bzoom%7D/%7Bx%7D/%7By%7D.png>
>>>>
>>>> I don't know what magic is involved, but it works.
>>>>
>>>> Jerry
>>>>
>>>> On 29 October 2015 at 19:20, Albin Larsson <albin.post at gmail.com
>>>> <mailto:albin.post at gmail.com>> wrote:
>>>> 3000 maps is a bit of a issue, iD API for custom TMS layer only support
>>>> one at a time, and I guess that those 3000 maps is overlapping too? For
>>>> example the HOT TM has one TMS layer for each project, something that
>>>> wouldn't work in this case.
>>>>
>>>> I see two possible solutions for this, one is to add the link to each
>>>> relevant TMS layer in the task description, this would be a lot of manual
>>>> work. Another and probably better solution is to add all maps to iDs
>>>> imagery index, currently there is less then 200 maps there, I'm not sure
>>>> about how much 3000 maps would affect performance... This solution requires
>>>> that all maps has bounding boxes. Maybe I would need to setup a custom iD
>>>> instance too...
>>>>
>>>> //
>>>> Albin
>>>>
>>>>
>>>> 2015-10-29 20:03 GMT+01:00 Steven Johnson <sejohnson8 at gmail.com<mailto:
>>>> sejohnson8 at gmail.com>>:
>>>> Hi Albin,
>>>> I think that's essentially the task, but instead of invoking
>>>> openstreetmap, the TM would instead point to OHM. Awesome if you can stand
>>>> up a new instance!
>>>> Thanks,
>>>>
>>>> -- SEJ
>>>> -- twitter: @geomantic
>>>> -- skype: sejohnson8
>>>>
>>>> There are two types of people in the world. Those that can extrapolate
>>>> from incomplete data.
>>>>
>>>> On Thu, Oct 29, 2015 at 2:46 PM, Albin Larsson <albin.post at gmail.com
>>>> <mailto:albin.post at gmail.com>> wrote:
>>>>
>>>> I'm looking into it, shouldn't take much time at all to setup. Just
>>>> setting up a new TM instance connected to OpenHistoricalMap?
>>>>
>>>> //
>>>> Albin
>>>>
>>>> On Oct 29, 2015 19:32, "Sanjay Seth" <sanjay at rpa.org<mailto:
>>>> sanjay at rpa.org>> wrote:
>>>> Hi folks –
>>>>
>>>> I had sent around an email about a month ago about a project at RPA (
>>>> www.rpa.org<http://www.rpa.org>) to map the historic wetlands of the
>>>> New York metropolitan region from the 1830’s - 1850’s, as part of our
>>>> research on climate adaptation. (See email chain below for details).
>>>>
>>>> The project has started to take off. We have had a great response from
>>>> the community so far – and have partnered with Steven Johnson at TeachOSM
>>>> and others to shepherd this mapping effort. Through this project, we hope
>>>> to build out some of the infrastructure that would help the OHM community
>>>> continue to grow.
>>>>
>>>> For this project, we will need a Tasking Manager that is connected to
>>>> OHM. We could build off the TeachOSM TM by overriding the default iD link
>>>> for each job – or set up an entirely separate TM for OHM. I think the
>>>> latter may be a better option. Is there other infrastructure OHM needs to
>>>> move forward that could fit in the scope of this project? (I have a modest
>>>> amount of funding that I could use to defray some of the cost of
>>>> development time. Can anyone on this list point me in the direction of
>>>> someone who would be willing to get an OHM-connected TM up and running?)
>>>>
>>>> I look forward to hearing any comments, questions, ideas, suggestions
>>>> from you about this project as it moves forward – and to gauge your
>>>> interest in the project as a whole. If you would like to be involved in
>>>> this project, please feel free to contact either myself (sanjay at rpa.org
>>>> <mailto:sanjay at rpa.org>) or Steven (sejohnson8 at gmail.com<mailto:
>>>> sejohnson8 at gmail.com>).
>>>>
>>>> Thanks!
>>>> Sanjay
>>>>
>>>> Sanjay Seth | Research Analyst
>>>> (917) 546-4327<tel:%28917%29%20546-4327> | www.rpa.org<
>>>> http://www.rpa.org>
>>>> Regional Plan Association
>>>> _______________________________________________
>>>> Historic mailing list
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>>>>
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>>>>
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>>>>
>>>>
>>>>
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