[Talk-ca] Using ImportImagePlugin in JOSM

[Peter Freeman]

Hi Sam, see my reply to Richard.  I attached the files there.

Peter Freeman
180 Musgrave Place
Salt Spring Island, V8K 1V5
British Columbia, Canada
(250) 653-4623
http://members.shaw.ca/petersfreeman

On 11-01-30 11:02 AM, Sam Vekemans wrote:
> Hi,
> Sure, can you send a link to the .zip file containing those maps that
> you need converted?
>
> In Victoria, there is a meet-up group called Victoria geo-geeks, i can
> pass it on and ask around if i cant figure it out :)  There is also
> the osgeo mailing lists who has a wide variety of experts.   (For
> stuff like this which is slightly out of OSM-land)
> Other software might be needed in the in-turn for re-projecting to a
> format that JOSM likes.
>
> If it's just .jpg that needs to be stretched mapwarper is a cool tool
> for it.
> http://mapwarper.net/
> and depending on the area your looking at, we can see if their is
> other datasets that are available, and just not yet in OSM (but could
> be, ... if ...)
>
> Cheers,
> Sam
>
>
> On Sun, Jan 30, 2011 at 10:16 AM, Peter Freeman
> <petersfreeman at gmail.com <mailto:petersfreeman at gmail.com>> wrote:
>
>     I am unable to get the InstallImagePlugin to work in JOSM
>
>     GOAL
>     ====
>
>     I have an image of a map that I scanned and I want to load it into
>     JOSM as an underlay so I can trace the ways on the map in JOSM.
>
>     PREPARATION
>     ============
>
>     The map file is called map.jpg and I have created a world file
>     called map.wld
>
>     TRIALS
>     ======
>
>     I don't fully understand the values I need for the world file,
>     however it represents an area approximately 8 kilometres (West to
>     East) by 6 kilometres (North to South) and the top left hand edge
>     of the map is approximately at a latitude of  1.5 (North) and a
>     longitude of 103.5 (East) so I looked at this link: 
>     http://en.wikipedia.org/wiki/World_file and my file contains these
>     values as a starting point:
>
>     100.0
>     0.0
>     0.0
>     -100.0
>     103.5
>     1.5
>
>     When I load the image, the plugin notices that I don't have a
>     projection file (.prj) so it asks me if I want the default
>     coordinate system.  I choose Yes.  Nothing appears and the scale
>     (top left corner of JOSM goes to 20037.5 and I cannot zoom in or
>     out.  I have varied the values in the world file considerably but
>     with the same result.
>
>     QUESTIONS
>     ==========
>
>     Has anyone used this plugin?
>     Can you give me reasonably correct values for my world file?
>     Do I need to create a projection file
>     What do I need to do to make this work?
>
>     Thank you,
>
>     Peter
>
>
>     -- 
>
>     Peter Freeman
>     180 Musgrave Place
>     Salt Spring Island, V8K 1V5
>     British Columbia, Canada
>     (250) 653-4623 <tel:+12506534623>
>     http://members.shaw.ca/petersfreeman
>
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>
>
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