On Friday 13 April 2018 08:07:09 Alan Corey wrote: > I usually have xwd (from x11-apps) installed and recently cooked up > this script: > > #!/bin/bash > datestr=`date +"%Y-%m-%d_%H-%M"` > outname=/tmp/ss_$datestr.xwd > echo "Saved as " $outname > xwd -display ':0.0' -root -out $outname > > It can do a screen dump even over an ssh connection. They're saved as > .xwd files of course but convert in ImageMagick can convert them to > .png, .jpg, whatever. You could make the convert step part of the > script, but you might prefer to do that later if speed of capturing > is important. > The snapshots I have made of the r-pi screens I have done by ssh logins, running the app I want a snapshot of, and ksnapshot that.
> I'm building an RPI tablet with the official touchscreen and needed a > way to do remote screen captures. Date and time is part of the output > filename. > > On 4/12/18, Gene Heskett <ghesk...@shentel.net> wrote: > > On Monday 02 January 2017 02:13:17 Gene Heskett wrote: > >> Greetings folks, new to the list, with 2 problems. > >> > >> 1. Need a snapshot utility like this x86 wheezy install has. What > >> it its name if it exists. Using LXDE if that's important. > > > > The name will likely contain snapshot, I think mine is ksnapshot? > > No, its not on the jessie install, locate is only finding > > systemd.snapshot, which isn't a screen snapshotter, its a systemd > > snapshotter > > > >> 2. Whats the magic recipe to enable AIGLX rendering on the r-pi > >> 3b's? > > > > No such critter exists AFAIK. I'm getting an update rate in the 7 > > frames a second rate using the framebuffer on that jessie based > > install, with hdmi drive output at 1920x1024. So the backplot is > > often just noticeably behind the machine. You tend to get used to > > it. But don't forget its not running a debian kernel, and what its > > running is pinned. > > > > Its running kernel 4.4.4-rt9-v7+ #7 SMP PREEMPT RT, custom built for > > close to realtime on armhf hardware. Works ok where there is > > hardware step generation, and a mesa 7i90HD can supply 8 axis's > > worth of step generators. That depends on the firmware installed on > > the 7i90HD and the user can update it. It talks to this card using > > SPI, writing at 41 megabaud, and reading back the status at 25 > > megabaud. 32 bit packets per transmission either direction. Needless > > to say, that SPI cable is very short, nominally 1 inch. > > > >> Thank you all. > >> > >> Cheers, Gene Heskett > > > > -- > > Cheers, Gene Heskett > > -- > > "There are four boxes to be used in defense of liberty: > > soap, ballot, jury, and ammo. Please use in that order." > > -Ed Howdershelt (Author) > > Genes Web page <http://geneslinuxbox.net:6309/gene> -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene>