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Dual Touch Screens on Windows 10

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Dual Touch Screens on Windows 10

Postby jrball » Wed May 22, 2019 3:46 pm

LaunchPads are pretty reliable but I don't like the job of designing and setting up overlays for different organs. Also they don't allow me to mimic the HW stop layouts.

Touchscreens give me the flexibility to change organs and to use the designers stop layouts
I have two nice touchscreens but I believe only one at a time is possible under Windows 10.

Searching for possibilities I found XOTOPAD and a few similar Controllers. XOTOPAD has the closest button display to HW stops.
Has anyone tried XOTOPAD with HW? Did you get it to work?
I would like to use HW screen for the right jamb and XOTOPAD (or something) for the left jamb.

Are there other MIDI controller that might work with HW?

How difficult is programming a Windows MIDI Controller having lighted, latching buttons with in/out MIDI signals?
What language and development environment would I use for this type of program?

Thanks for any help you can offer.
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Re: Dual Touch Screens on Windows 10

Postby engrssc » Wed May 22, 2019 4:11 pm

You might want to check https://touch-base.com/drivers.

Rgds,
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Re: Dual Touch Screens on Windows 10

Postby dhm » Wed May 22, 2019 5:16 pm

jrball wrote:I have two nice touchscreens but I believe only one at a time is possible under Windows 10.

I have no trouble running two touchscreens with Windows 10 on a number of different PCs.
For several years we have used the free eGalaxTouch drivers (http://www.eeti.com.tw/drivers_Win.html).
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Re: Dual Touch Screens on Windows 10

Postby IainStinson » Wed May 22, 2019 5:33 pm

I use two touchscreens with Windows 10 and don't use any "special" drivers. You just need a graphics card which supports dual screens (and two usb ports for the "touch" connections).

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Re: Dual Touch Screens on Windows 10

Postby dhm » Wed May 22, 2019 5:59 pm

I don't use an extra graphics card - just whatever graphics are on the motherboard.
(https://www.gigabyte.com/uk/Motherboard ... -rev-60#ov)
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Re: Dual Touch Screens on Windows 10

Postby jrball » Wed May 22, 2019 7:33 pm

Thanks for the ideas. I'll try the eGalax drivers.
Windows Tablet mode doc say only one at a time, and tablet setup only allows one touch.
Modern graphics card with 3 outputs, all HDMI compliant.
I must be doing something wrong if others got 2 touchs to work.
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Re: Dual Touch Screens on Windows 10

Postby organtechnology » Wed May 22, 2019 10:36 pm

Hi,

I was told by Keytec before they sold that Win 10 did not need drivers that it was possible to use the Win 10 internal drivers for the touch pad computers. I will do some serious research on this soon as we will be switching to Win10 to avoid being left in Limbo which is small town outside Cleveland. :wink:
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Re: Dual Touch Screens on Windows 10

Postby murph » Thu May 23, 2019 4:11 am

Don't use tablet mode!!!!
It's only for portable devices. Touch and pen works with at least 2 screens in normal mode.
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Re: Dual Touch Screens on Windows 10

Postby jrball » Fri May 24, 2019 1:40 pm

eGalax doesn't see any devices.
Funny, the second screen supports accurate touch in the task bar.
However, touch elsewhere on the screen is unpredictable, sometimes moving the cursor and often closing the program. When I run a spreadsheet on the second screen in full screen mode I get random results from touching.
Windows knows I have two touch screens but doesn't know how to handle the second one.

For fun I ran XOTOPAD split between the two screens. Buttons touch properly on one screen but are transparent on the other screen. By transparent I mean they are either ignored or they activate the underlying notification bar as if XOTOPAD wasn't there.
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Re: Dual Touch Screens on Windows 10

Postby dhm » Fri May 24, 2019 6:27 pm

jrball wrote:eGalax doesn't see any devices.

Somewhere in the eGalaxTouch setup process you should see a check-box for "Enable multiple monitors?".
If you launch the eGalaxTouch utility, you should see one icon for each monitor, assuming they are connected by USB to the PC.
And did you do the 4-point calibration before trying to use them?
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Re: Dual Touch Screens on Windows 10

Postby jrball » Sat May 25, 2019 1:51 pm

Installed eGalax again.
Yes to multi-mon, etc.
"Add" -> "No more controllers"
"Monitor Mapping" -> "Device not found"
No icons anywhere to be found.

Here's a workaround. I have an old PC that be a second screen.
I'll run XOTOPAD on it and connect to HW PC via a MIDIBox cable.
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Re: Dual Touch Screens on Windows 10

Postby jrball » Sat May 25, 2019 5:23 pm

I think this will also work but it will take some time to code.
In the meantime has anyone else tried it or knows why it might not work?

Start with a second small PC running a touch screen and a free copy of HW.
Program a CODM organ with stops and their screen buttons with labels.
Design the buttons to look similar to the target organ's buttons on the main touch screen.
The CODM will have one dummy rank that never speaks.
Code the MIDI to not interfere with the main organ's MIDI.
Route the MIDI signals to and from the main HW PC via a MIDI interface such as MIDIPLUS2x2.
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