[Talk-ht] TopoMap 1:50k Was: Onboarding new mappers

[Sam Vekemans]

Hi,
I think i can make a 1 meter garmin MapSource installer for the whole
island, so it can be used as reference.

Would that help?
Sam

On 2/13/10, David Groom <reviews at pacific-rim.net> wrote:
> Certainly the west around the  Dame Marie & Jeremie areas, the topomap 1:50k
> layer is way out of alignment with any other data source.  Its seems OK in
> other areas I have looked at.
>
> Its Ok if you have really recognisable features such as a coastline to
> re-align the topomap layer, but I fear inland that much data may be traced
> by less experienced mappers which is simply in the wrong place.
>
> David
>
>   ----- Original Message -----
>   From: ce-test, qualified testing bv - Gert Gremmen
>   To: talk-ht at openstreetmap.org
>   Sent: Friday, February 12, 2010 2:57 PM
>   Subject: Re: [Talk-ht] Onboarding new mappers
>
>
>   There is a huge amount of stuff to map in rural areas.
>
>
>
>   1.       Install java en download JOSM
>
>   2.       Install the WMS plug-in
>
>   3.       Choose a rural area somewhere, not to big and download data
>
>   4.       play around and study JOSM for an hour or so, ask questions if
> you need to
>
>   5.       Install WMS layers "best aerial" and TOPO 50K
>
>   6.       JOSM may shift layers so as to align them, to already avalaible
> data : the topo map below is less then 100 meter off however.
>
>   7.       compare and map rivers, hamlets, roads (most tracks anyway)  land
> slidings , important buildings mountain peaks
>
>   8.       The tope map gives you a wealth  of names and places and
> mountains peaks to map
>
>   9.       The areal pictures show you roads, buildings and rivers (depends
> on available resolution in your area)
>
>   10.   Study, compare and add missing items
>
>   11.   Report the area you are working on to this list (topo map  reference
> lines ?) to avoid duplicates
>
>
>
>   WMS links for JOSM
>
>
>
>   best aerial :
> http://hypercube.telascience.org/cgi-bin/mapserv?map=/geo/haiti/mapfiles/4326.map&layers=haiti-best&request=GetMap&version=1.0.0&styles=&format=image/jpeg&service=WMS&
>
>
>
>   topomap 1:50K (all of Haiti)
>
>
> http://hypercube.telascience.org/cgi-bin/mapserv?map=/home/ortelius/haiti/haiti.map&layers=haiti-tlm-50&request=GetMap&version=1.0.0&styles=&format=image/jpeg&service=WMS&
>
>
>
>   Well you also might map using the potlatch editor, but you won't have 2
> layers to switch to,
>
>   and while potlatch is easier to start with ... JOSM will do much better
> and accurate mapping,
>
>   and has some features (like Q : make a building or area square-angled) and
> add-node-on-the fly
>
>   You should see me mapping rivers / areas with that, that you will miss
> very much.
>
>
>
>   Oh, do not forget to connect roads to roads, other wise a router may never
> find them.
>
>   Loose roads are of no use .
>
>
>
>    Well, see for yourself.
>
>
>
>   Gert Gremmen
>
>
>   Regards
>   Karl
>
>


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