I think the suggestion is that since instructions for those operations exist, searching down that path could lead you to a solution to your tangentially related problem.
note that one of the examples given was "offset" which appears to be what you're looking for. -wes On Fri, Apr 1, 2022 at 6:46 AM Michael Barnes <barnmich...@gmail.com> wrote: > Pardon my ignorance and confusion. I don't see how rotation, mirror, etc. > has anything to do with touchscreen calibration. When I touch the screen, I > want to click the button/text under my finger, not three buttons/words > away. What does screen rotation have to do with that? > > Michael > > > On Fri, Apr 1, 2022, 00:17 Tomas Kuchta <tomas.kuchta.li...@gmail.com> > wrote: > > > Look for how to rotate the original raspberry pi screen. It is done via > > transform matrix. If that works for your screen, using custom values in > the > > matrix allow for any transform, including offset, multiplication, > rotation > > and mirror. > > > > -Tomas > > > > On Fri, Apr 1, 2022, 01:29 Michael Barnes <barnmich...@gmail.com> wrote: > > > > > I had a Raspberry Pi connected to the official 7" touchscreen monitor > in > > my > > > truck. The small monitor wasn't cutting it. I found and hooked up an > > > Elecraft 10" monitor. It works great, but the touch feature is about > 3/4" > > > off from where I touch. Makes it near impossible to do anything via the > > > touchscreen. I've been searching with no luck on how to calibrate this > > > thing. What few references I found were years old and don't seem to be > > > right for the latest systems. I'm using the latest (I think) Raspberry > > OS. > > > > > > Any tips on finding how to calibrate this thing? > > > > > > Thanks, > > > Michael > > > > > >
