Should be relatively easy using pycairo for the graphics. You can use gtk drawing area and Cairo.create to make the widget. On Dec 23, 2012 7:21 PM, "Gene Heskett" <[email protected]> wrote:
> Greetings; > > Never having played with very much xml, I am wondering how it might be > possible to make a round tachometer display that has 2 needles, one in one > color for requested speed, and one in a contrasting color to show actual > speed as reported by the slightly filtered encoder.velocity output. > > I am using the tutorial at: > > <http://www.linuxcnc.org/docs/2.5/html/hal/pyvcp_examples.html> > > down toward the bottom of that page. > > Or is a dual needle display even possible in PyVCP? > > I am assuming that if I can make it display the disconnected meter, then a > halshow will discover the (halpin)<spindle_rpm>(/halpin) that I can then > 'connect' in the postgui.hal to one of the hal outputs from the encoder? > > Thanks. > > Cheers, Gene > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! > Power corrupts. Absolute power is kind of neat. > -- John Lehman, Secretary of the Navy, 1981-1987 > I was taught to respect my elders, but its getting > harder and harder to find any... > > > ------------------------------------------------------------------------------ > LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial > Remotely access PCs and mobile devices and provide instant support > Improve your efficiency, and focus on delivering more value-add services > Discover what IT Professionals Know. Rescue delivers > http://p.sf.net/sfu/logmein_12329d2d > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
