pyvcp - Virtual Control Panel for LinuxCNC
pyvcp [-g WxH+X+Y] [-c component-name] myfile.xml
-g WxH+X+Y
This sets the initial geometry of the root window. Use WxH for just size, +X+Y for just position, or WxH+X+Y for both. Size / position use pixel units. Position is referenced from top left.
-c component-name
Use component-name as the HAL component name. If the component name is not specified, the basename of the XML file is used.
Python Virtual Control Panel in the LinuxCNC documentation for a description of the xml syntax, along with examples.