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How to combine plot with dynamic graphic?

Todd Pytel
Posted 1 year ago

I have a heat map that I'd like to combine with an overlaying dynamic graphic (see attached notebook). I can't figure out how to do this despite much googling and puttering. I'm sure I don't understand the nuances of dynamic modules and how they interact with graphics sufficiently. Advice?
POSTED BY: Todd Pytel
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Have you tried Show?

dp = DensityPlot[a r + b, {x, y} \[Element] Disk[], Frame -> False];
DynamicModule[{pt = {0.5, 0}},
 Show[dp,
  Graphics[{
    {Thick, Circle[]},
    Line[{{0, 0}, Dynamic[pt]}],
    Locator[Dynamic[pt, (pt = constrain[#]) &], None],
    {EdgeForm[Thin], Opacity[0.05],
     Disk[{0, 0}, Dynamic[pt[[1]]]]},
    {PointSize -> 0.018, Point[Dynamic[pt]]}},
   PlotRange -> 1.1]]]

The Dynamic stuff does not work.
POSTED BY: Gianluca Gorni
Todd Pytel
Todd Pytel
Posted 1 year ago
POSTED BY: Todd Pytel
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