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LINUXCNC_HOME then, what is its value?

  Flex gui 1.3.0 keyboard jog 
 I upgraded from 1.2.2 to 1.3.0 and received the attached error  message .If I delete jog_modes_cb or jog_vel_sl from .ui, I can open the GUI, but a pop-up warns that jog_modes_cb is needed for jogging. All other functions work in the GUI except jogging. I tried a few Flex programs and they worked. If I load Ver1.2.2, everything works normally.  

The reason I am using Qt C++ is that the existing external module, which was developed in C++, is incompatible with Qt Python (QtPy).

Thanks.

Is there any reason you're not using something such as linuxcnc.org/docs/2.9/html/gui/qtvcp.html

/lib/linuxcnchal.so
- hal_export_funct - not exist

/rtlib/hal_lib.so
- hal_export_funct - exist

LIBS += -L$$LINUXCNC_HOME/lib -llinuxcnchal
LIBS += -L$$LINUXCNC_HOME/rtlib -lhal_lib

** Link Error when building qt app ('Not found -lhal_lib')

Thanks

You can always reduce the size of the image.

The libs are not actually in /lib and /rtlib are they?

Hello,

First of all, thank you very much for the quick reaction.
My concern is to exploit the dissolution of the chip for a more precise presentation. The zoom function built into Qtdragon is forced to invent pixels, but this is not significant to a small extent. There is not much to get out of a currently used resolution of 640x480 pixels. In the current situation, improvement would only be achieved by reducing the distance from the camera, but I come to areas where it becomes unhealthy for the camera.
My milling machine is just a cheese mill, but improving ease of use is nothing bad.
The picture of OpenCV has to be read somewhere, and couldn't you install these lines?

cap.set (cv2.cap_prop_frame_width, 1600)
cap.set (cv2.cap_prop_frame_height, 1200)

The values ​​are now mine and it works so far that the picture becomes visibly worse with small values.
Or how do you get Linux not to take the standard resolution?

Thank you for your efforts and all the best, Frank.