[OSM-talk] JOSM on Raspberry pi 4

[John Whelan]

Thank you for the process.

Cheerio John

James wrote on 2020-12-21 19:15:
> wget https://josm.openstreetmap.de/josm-latest.jar
>
> java -jar josm-latest.jar
>
> in a terminal
>
> On Mon., Dec. 21, 2020, 7:13 p.m. John Whelan, <jwhelan0112 at gmail.com 
> <mailto:jwhelan0112 at gmail.com>> wrote:
>
>     I don't know enough about the pi to know where to copy it to.
>     Getting the latest .jar isn't a problem.
>
>     Thanks John
>
>     James wrote on 2020-12-21 19:11:
>>     https://josm.openstreetmap.de/josm-latest.jar
>>
>>     java -jar josm-latest.jar
>>
>>     On Mon., Dec. 21, 2020, 7:10 p.m. John Whelan,
>>     <jwhelan0112 at gmail.com <mailto:jwhelan0112 at gmail.com>> wrote:
>>
>>         It seems to load from "sudo apt-get install josm" but it is
>>         version 14760. thank you Martin Bone you tube. I'm not too
>>         sure where to download the new .jar file to get it to a more
>>         recent version. So technically it will work. The big question
>>         then becomes is it useful? Low power but needs a screen. Can
>>         we leverage it in anyway? I'm thinking if it gets into
>>         schools it might be useful but if it needs a more powerful
>>         machine than the school might purchase can we nudge up the
>>         specs in someway? I know you can use a smartphone but JOSM is
>>         a bit more powerful and you can grab a bit of osm compress it
>>         then load it up on the pi. Not real time but in areas where
>>         there is little activity a 3 or 4 day old file might well be
>>         good enough. I'm thinking Africa here. Solar panel into a
>>         powerbank, run the pi from a powerbank. On a slightly larger
>>         scale solar panel into an instant pot with battery, gives you
>>         enough power to run a pi as well. Instant pots have been run
>>         from solar with battery, the 3 quart pot requires a lower
>>         power level. Can someone come up with a mixture that would
>>         work? Thanks Cheerio John
>>         Oliver Simmons wrote on 2020-12-21 18:48:
>>>
>>>         You’ll want to turn as much rendering off in JOSM as you can.
>>>
>>>         Mainly:
>>>
>>>         1. Disable “Draw boundaries of downloaded area” (This is a
>>>         big performance hit for some reason)
>>>
>>>         2. OSM Data -> Options that affect drawing performance -
>>>         disable both antialiasing options.
>>>
>>>         3. OSM Data -> ditto - “Hide labels when dragging the map”
>>>         may also help.
>>>
>>>         AFAIK other options won’t make much difference, those are
>>>         just the main three.
>>>
>>>         You may also want to experiment with styles, some (such as
>>>         “Advanced lane & road attributes” will put a lot more load
>>>         on rendering due to their complexity and the transparent parts.
>>>
>>>         With the RAM & speed upgrades on the Pi4, downloading a lot
>>>         of data shouldn’t be much of an issue, only if you try to
>>>         look at it all at once.
>>>
>>>         ―
>>>
>>>         - Oliver Simmons [https://goodclover.xyz]
>>>
>>>         *From: *John Whelan <mailto:jwhelan0112 at gmail.com>
>>>         *Sent: *21 December 2020 11:30 PM
>>>         *To: *OpenStreetMap <mailto:talk at openstreetmap.org>
>>>         *Subject: *[OSM-talk] JOSM on Raspberry pi 4
>>>
>>>         Has anyone tried it?  My thoughts run along the lines of the
>>>         pi 400 which has 4 gigs of memory might be interesting,
>>>         there are pi4s with 8 gigs available.
>>>
>>>         If so how do you install it and run it.
>>>
>>>         Thanks John
>>>
>>>         -- 
>>>
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>>>
>>
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