Example of using IterationManagers.jl with PlotlyJS.jl to update plot

examples/plottingexample.jl

@@ -0,0 +1,58 @@
+using IterationManagers
+using PlotlyJS
+
+import IterationManagers: update!, finished, pre_hook, iter_hook, post_hook
+
+type PlottingMgr <: IterationManager
+    nupdates::Int
+    p::PlotlyJS.SyncPlot
+end
+
+PlottingMgr(nupdates::Int, x::Vector) = PlottingMgr(nupdates, plot(scatter(;y=x)))
+
+type PlottingState{T} <: IterationState{T}
+    nupd::Int
+    npts::Int
+    prev::T
+end
+
+function update!(istate::PlottingState, v; by=nothing)
+
+    # Update number of times we've updated the plot
+    istate.nupd += 1
+
+    # Update Points
+    istate.prev = copy(v)
+
+    # Update trace
+    restyle!(mgr.p, y=Vector[v])
+end
+
+finished{T}(mgr::PlottingMgr, istate::PlottingState{T}) = istate.nupd > mgr.nupdates? true : false
+
+
+function plot_update{T<:AbstractVector}(v::T)
+
+    # Replace oldest point with random number
+    vnew = Array(eltype(v), size(v))
+    vnew[1:end-1] = v[2:end]
+    vnew[end] = randn()
+
+    return vnew
+end
+
+function pre_hook{T}(mgr::PlottingMgr, istate::PlottingState{T})
+    istate.prev = mgr.p.plot.data[1][:y]
+    display(mgr.p)
+    nothing
+end
+iter_hook{T}(mgr::PlottingMgr, istate::PlottingState{T}) = println("Hi, drew $(istate.prev[end])")
+post_hook{T}(mgr::PlottingMgr, istate::PlottingState{T}) = println("Hi, I'm done.")
+
+
+npts = 100
+nupdates = 500
+mgr = PlottingMgr(nupdates, randn(npts))
+istate = PlottingState(0, npts, Array(Float64, npts))
+managed_iteration(plot_update, mgr, istate; by=nothing)
+