ok folx, don't worry -- I think I'm going to use turtle graphics. Will be far simpler and quicker to adapt to what I want to do.
On Mon, Nov 14, 2011 at 4:46 AM, Ian Clark <[email protected]> wrote: > I guess the problem I'm running up against is that: > > pd 'new' > pd (sin;cos,: ]) range 1 7.5 0.5 > pd *: 0.1*i.160 > pd 'show' > > works with either of the two middle statements, but not both together, > the second obliterating the first. (Why not?) > > I want to superimpose two differently structured data items, one of > which is able to form closed polygons but doesn't share the x-vector > of the other one. > > > On Mon, Nov 14, 2011 at 1:07 AM, Ian Clark <[email protected]> wrote: >> Thanks, Fraser. >> >> Yes, having my mind on other things I was hoping not to have to go >> down to the pd level, and wondering if someone's done it already for >> me. >> >> "Really quite easy" when you get down to it. Nothing an evening or >> three won't sort out. Then I can get down to the real problem. >> >> >> On Mon, Nov 14, 2011 at 12:47 AM, Fraser Jackson >> <[email protected]> wrote: >>> Using the low-level verb pd in the plot package gives you complete control >>> of overlaying plots on the same scales. See the help on Plot/ Verbs and >>> definitions in the plot demos. >>> >>> ----- Original Message ----- >>> From: "Ian Clark" <[email protected]> >>> To: "Programming forum" <[email protected]> >>> Sent: Monday, November 14, 2011 12:54 PM >>> Subject: [Jprogramming] Modified plot >>> >>> >>>> j602 Plot Package question... >>>> >>>> How best can I superimpose a polygon (ideally drawn using the same x,y >>>> coords) on a Plot window generated by eg: >>>> 'line' plot XX ; YY >>>> where XX is x-positions generated by (say) steps 0 10 100 >>>> and YY is corresponding y-data? >>>> >>>> Purpose: to view the behavior of candidate curve-following algorithms. >>>> YY is the curve to be followed. The polygon will show the attempts to >>>> follow it. >>>> ---------------------------------------------------------------------- >>>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >> > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
