Thanks, got it. John Murphy jmur...@comsonics.com
On Thu, Mar 19, 2015 at 10:30 AM, Tom Rondeau <t...@trondeau.com> wrote: > On Thu, Mar 19, 2015 at 9:26 AM, Murphy, John <jmur...@comsonics.com> wrote: >> >> Hello GNU Radio'ers, >> >> I have a GRC flowgraph with a custom C++ block that feeds a stream of >> vectors of floats to the QT GUI Vector Sink. Which particular internal >> vector of floats gets streamed out of the custom C++ block is set on >> the fly from a QT GUI Chooser. I am using the autoscale on the QT GUI >> Vector Sink. >> >> The autoscale is okay but I do come up against shortcomings with it >> and I could do better if I could somehow have the C++ code for the >> custom C++ block (or the stuff in the GRC flowgraph, but that seems >> more difficult to me) call some function to change the QT GUI Vector >> Sink Y Axis Min and Max on the fly when the param choosing the vector >> is changed. >> >> Would someone please indicate how to do this, if it can be done? And >> perhaps provide a link to a similar example on the web to work from, >> if such exists? >> >> Thanks, >> John > > > In the Vector Sink's properties, you can set a variable for the y-min and > y-max. When you change the variable (via a slider or in any other way), it > will change the y axis settings. > > Tom > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
