[OSM-talk] JOSM on Raspberry pi 4

[James]

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>
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>
> 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 <jwhelan0112 at gmail.com>
>> *Sent: *21 December 2020 11:30 PM
>> *To: *OpenStreetMap <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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