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I have now been using openplotter for a couple of weeks on Raspberry Pi 4, 4GB version, for sail routing in Finland and Estonia, running o-chart vector charts on opencpn for both countries. Like some others have already reported, RPIO just does not seem to have enough gpu power to do the job on a screen resolution higher than 1024x768. But there are a plenty of single boards around, so I am wondering if someone would have tested alternatives to recommend? The list of potential candidates includes at least Orenge Pi 4B, odroid XU4, ASUS tinkerboard s and rock pi 4, all sporting some versions of Mali gpu
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I have used rockpro and it's faster but not significantly faster than the pi4. I guess I don't mind 1366x768.. it's enough.
if you really want performance and don't care about power as much, the n5000 cpu is very fast and has intel graphics
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Potentially the problem is for OpenCPN only.
If you have browser based apps you could let your display device do the heavy graphics job.
And in this case a Pi4 has more then enough power.
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AvNav should be easy to install on Op.
And you can use your ocharts that you have licensed for this system.
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Do you have OpenGL enabled?
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2020-08-01, 11:10 PM
(This post was last modified: 2020-08-01, 11:11 PM by holgerw.)
maybe it helps to assign 512mb or more to graphics on an pi4.
tis is easyly done in raspi-config or "pi configuration" in preferences.
but be shure to set it back on booting an pi3. could also be done later in /boot/config.txt.
happy summer
holger
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2020-08-01, 11:21 PM
(This post was last modified: 2020-08-01, 11:24 PM by abarrow.)
I assigned 384Mb to graphics and it really improved my performance. I'm using it now at 1600x1200 resolution on a 17 inch monitor and it is fine.