Add plotting and generate plots

examples/plot_star.jl

@@ -0,0 +1,96 @@
+using MetagraphOptimization
+using Plots
+using Random
+
+function gen_plot(filepath)
+    name = basename(filepath)
+    name, _ = splitext(name)
+
+    filepath = joinpath(@__DIR__, filepath)
+    if !isfile(filepath)
+        println("File ", filepath, " does not exist, skipping")
+        return
+    end
+
+    g = import_txt(filepath)
+
+    Random.seed!(1)
+
+    println("Random Walking... ")
+
+    for i = 1:30
+        print("\r", i)
+        # push
+        opt = get_operations(g)
+
+        # choose one of fuse/split/reduce
+        option = rand(1:3)
+        if option == 1 && !isempty(opt.nodeFusions)
+            push_operation!(g, rand(collect(opt.nodeFusions)))
+            println("NF")
+        elseif option == 2 && !isempty(opt.nodeReductions)
+            push_operation!(g, rand(collect(opt.nodeReductions)))
+            println("NR")
+        elseif option == 3 && !isempty(opt.nodeSplits)
+            push_operation!(g, rand(collect(opt.nodeSplits)))
+            println("NS")
+        else
+            i = i-1
+        end
+    end
+
+    println("\rDone.")
+
+
+
+
+    props = graph_properties(g)
+    x0 = props.data
+    y0 = props.compute_effort
+
+    x = Vector{Float64}()
+    y = Vector{Float64}()
+    names = Vector{String}()
+
+    opt = get_operations(g)
+    for op in opt.nodeFusions
+        push_operation!(g, op)
+        props = graph_properties(g)
+        push!(x, props.data)
+        push!(y, props.compute_effort)
+        pop_operation!(g)
+
+        push!(names, "NF: (" * string(props.data) * ", " * string(props.compute_effort) * ")")
+    end
+    for op in opt.nodeReductions
+        push_operation!(g, op)
+        props = graph_properties(g)
+        push!(x, props.data)
+        push!(y, props.compute_effort)
+        pop_operation!(g)
+
+        push!(names, "NR: (" * string(props.data) * ", " * string(props.compute_effort) * ")")
+    end
+    for op in opt.nodeSplits
+        push_operation!(g, op)
+        props = graph_properties(g)
+        push!(x, props.data)
+        push!(y, props.compute_effort)
+        pop_operation!(g)
+
+        push!(names, "NS: (" * string(props.data) * ", " * string(props.compute_effort) * ")")
+    end
+    
+    plot([x0, x[1]], [y0, y[1]], linestyle = :solid, linewidth = 1, color = :red, legend=false)
+    # Create lines connecting the reference point to each data point
+    for i in 2:length(x)
+        plot!([x0, x[i]], [y0, y[i]], linestyle = :solid, linewidth = 1, color = :red)
+    end
+    #scatter!(x, y, label=names)
+
+    print(names)
+
+    gui()
+end
+
+gen_plot("AB->ABBB.txt")