fixed empty plots

examples/meetup/nnet.ipynb

@@ -2,71 +2,11 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [
+   "outputs": [],
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "INFO: Recompiling stale cache file /home/tom/.julia/lib/v0.4/OnlineStats.ji for module OnlineStats.\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "  0.544174 seconds (2.08 M allocations: 156.080 MB, 2.81% gc time)\n",
-      "\n",
-      "\n",
-      "\n",
-      "maxabs(β - coef(o)) for\n",
-      "\n",
-      "glm:      0.006636741266573876\n",
-      "sgd:      NaN\n",
-      "proxgrad: 0.010237129356885588\n",
-      "rda:      1.4318993623506318\n"
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "WARNING: Base.FloatingPoint is deprecated, use AbstractFloat instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Qwt/src/widgets.jl:5\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:13\n",
-      "WARNING: Base.Uint32 is deprecated, use UInt32 instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:13\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:13\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:18\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:18\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:21\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:21\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:45\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:120\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:191\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:274\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:336\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:338\n",
-      "WARNING: Base.String is deprecated, use AbstractString instead.\n",
-      "  likely near /home/tom/.julia/v0.4/Glob/src/Glob.jl:346\n"
-     ]
-    }
-   ],
    "source": [
     "using Plots, DataFrames, OnlineStats, OnlineAI\n",
     "default(size=(500,300))\n",
@@ -77,35 +17,21 @@
    "cell_type": "code",
    "execution_count": 4,
    "metadata": {
-    "collapsed": false
+    "collapsed": false,
+    "scrolled": false
    },
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "(xmeta,ymeta) = (nothing,nothing)"
+      "(xmeta,ymeta) = (nothing,nothing)\n"
-     ]
-    },
-    {
-     "ename": "BoundsError",
-     "evalue": "BoundsError: attempt to access 0-element Array{Any,1}\n  at index [0]",
-     "output_type": "error",
-     "traceback": [
-      "BoundsError: attempt to access 0-element Array{Any,1}\n  at index [0]",
-      ""
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "\n"
      ]
     }
    ],
    "source": [
-    "p = plot(10)"
+    "using Plots; gadfly()\n",
+    "p = plot(10);"
    ]
   },
   {

src/backends/immerse.jl

@@ -80,7 +80,9 @@ end
 
 function Base.setindex!(plt::Plot{ImmersePackage}, xy::Tuple, i::Integer)
   for mapping in getGadflyMappings(plt, i)
+    # @show "before",i xy mapping[:x] mapping[:y]
     mapping[:x], mapping[:y] = xy
+    # @show "after",i xy mapping[:x] mapping[:y]
   end
   plt
 end

src/plot.jl

@@ -111,7 +111,7 @@ function plot!(plt::Plot, args...; kw...)
   kwList, xmeta, ymeta = createKWargsList(plt, groupargs..., args...; d...)
   
   # if we were able to extract guide information from the series inputs, then update the plot
-  @show xmeta, ymeta
+  # @show xmeta, ymeta
   updateDictWithMeta(d, plt.initargs, xmeta, true)
   updateDictWithMeta(d, plt.initargs, ymeta, false)
 
@@ -225,7 +225,7 @@ typealias FuncOrFuncs @compat(Union{Function, AVec{Function}})
 convertToAnyVector(v::@compat(Void); kw...) = Any[nothing], nothing
 
 # fixed number of blank series
-convertToAnyVector(n::Integer; kw...) = Any[zero(0) for i in 1:n], nothing
+convertToAnyVector(n::Integer; kw...) = Any[zeros(0) for i in 1:n], nothing
 
 # numeric vector
 convertToAnyVector{T<:Real}(v::AVec{T}; kw...) = Any[v], nothing

src/utils.jl

@@ -290,7 +290,9 @@ end
 
 # used in updating an existing series
 
-extendUnitRange(v::UnitRange{Int}, n::Int = 1) = minimum(v):maximum(v)+n
+extendUnitRange(v::UnitRange{Int}, n::Int = 1) = isempty(v) ? (1:n) : (minimum(v):maximum(v)+n)
+extendSeriesData{T}(v::Range{T}, z::Real) = extendSeriesData(float(collect(v)), z)
+extendSeriesData{T}(v::Range{T}, z::AVec) = extendSeriesData(float(collect(v)), z)
 extendSeriesData{T}(v::AVec{T}, z::Real) = (push!(v, convert(T, z)); v)
 extendSeriesData{T}(v::AVec{T}, z::AVec) = (append!(v, convert(Vector{T}, z)); v)