From 0d665c661f23a4248d2ecb76a723e4efbbd7a592 Mon Sep 17 00:00:00 2001
From: ChrisRackauckas <chrisrackauckas@gmail.com>
Date: Sat, 15 Apr 2017 13:14:14 -0700
Subject: [PATCH 1/6] complex recipe

---
 src/recipes.jl | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/recipes.jl b/src/recipes.jl
index 3f63ea40..83b3a8e8 100644
--- a/src/recipes.jl
+++ b/src/recipes.jl
@@ -809,6 +809,18 @@ datetimeformatter(dt) = string(convert(DateTime, dt))
     real(cp.args[1]), imag(cp.args[1])
 end
 
+# Splits a complex matrix to its real and complex parts
+# Reals defaults solid, imaginary defaults dashed
+# Label defaults are changed to match the real-imaginary reference / indexing 
+@recipe function f{T<:Number,T2<:Number}(x::AbstractArray{T},y::Array{Complex{T2}})
+  A = real.(y)
+  B = imag.(y)
+  _y = [!iseven(i) ? A[:,i÷2+1] : B[:,i÷2] for i in 1:2size(A,2)]
+  linestyle --> reshape([!iseven(i) ? :solid : :dash for i in 1:2size(A,2)],1,2size(A,2))
+  label --> reshape([!iseven(i) ? "Re(y$(i÷2+1))" : "Im(y$(i÷2))" for i in 1:2size(A,2)],1,2size(A,2))
+  x,_y
+end
+
 
 # --------------------------------------------------
 # Color Gradients

From 1852ba99b35b96c6b2a858c3744c1edcd32ed334 Mon Sep 17 00:00:00 2001
From: ChrisRackauckas <chrisrackauckas@gmail.com>
Date: Sat, 15 Apr 2017 13:16:40 -0700
Subject: [PATCH 2/6] force real x

---
 src/recipes.jl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/recipes.jl b/src/recipes.jl
index 83b3a8e8..a22dc069 100644
--- a/src/recipes.jl
+++ b/src/recipes.jl
@@ -811,8 +811,8 @@ end
 
 # Splits a complex matrix to its real and complex parts
 # Reals defaults solid, imaginary defaults dashed
-# Label defaults are changed to match the real-imaginary reference / indexing 
-@recipe function f{T<:Number,T2<:Number}(x::AbstractArray{T},y::Array{Complex{T2}})
+# Label defaults are changed to match the real-imaginary reference / indexing
+@recipe function f{T<:Real,T2<:Number}(x::AbstractArray{T},y::Array{Complex{T2}})
   A = real.(y)
   B = imag.(y)
   _y = [!iseven(i) ? A[:,i÷2+1] : B[:,i÷2] for i in 1:2size(A,2)]

From 9a59df793dba43aed9104598b3d6ae591840d859 Mon Sep 17 00:00:00 2001
From: ChrisRackauckas <chrisrackauckas@gmail.com>
Date: Sat, 15 Apr 2017 17:00:00 -0700
Subject: [PATCH 3/6] coloring setup

---
 src/recipes.jl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/recipes.jl b/src/recipes.jl
index a22dc069..984b4a0a 100644
--- a/src/recipes.jl
+++ b/src/recipes.jl
@@ -818,6 +818,7 @@ end
   _y = [!iseven(i) ? A[:,i÷2+1] : B[:,i÷2] for i in 1:2size(A,2)]
   linestyle --> reshape([!iseven(i) ? :solid : :dash for i in 1:2size(A,2)],1,2size(A,2))
   label --> reshape([!iseven(i) ? "Re(y$(i÷2+1))" : "Im(y$(i÷2))" for i in 1:2size(A,2)],1,2size(A,2))
+  color --> reshape([!iseven(i) ? i÷2+1 : i÷2 for i in 1:2size(A,2)],1,2size(A,2))
   x,_y
 end
 

From 7def4e8e7372cff8b6d046d8f578635964f173a9 Mon Sep 17 00:00:00 2001
From: ChrisRackauckas <chrisrackauckas@gmail.com>
Date: Sun, 16 Apr 2017 13:01:51 -0700
Subject: [PATCH 4/6] add transformation option

---
 src/recipes.jl | 32 ++++++++++++++++++++++++--------
 1 file changed, 24 insertions(+), 8 deletions(-)

diff --git a/src/recipes.jl b/src/recipes.jl
index 984b4a0a..1bef17c8 100644
--- a/src/recipes.jl
+++ b/src/recipes.jl
@@ -812,14 +812,30 @@ end
 # Splits a complex matrix to its real and complex parts
 # Reals defaults solid, imaginary defaults dashed
 # Label defaults are changed to match the real-imaginary reference / indexing
-@recipe function f{T<:Real,T2<:Number}(x::AbstractArray{T},y::Array{Complex{T2}})
-  A = real.(y)
-  B = imag.(y)
-  _y = [!iseven(i) ? A[:,i÷2+1] : B[:,i÷2] for i in 1:2size(A,2)]
-  linestyle --> reshape([!iseven(i) ? :solid : :dash for i in 1:2size(A,2)],1,2size(A,2))
-  label --> reshape([!iseven(i) ? "Re(y$(i÷2+1))" : "Im(y$(i÷2))" for i in 1:2size(A,2)],1,2size(A,2))
-  color --> reshape([!iseven(i) ? i÷2+1 : i÷2 for i in 1:2size(A,2)],1,2size(A,2))
-  x,_y
+@recipe function f{T<:Real,T2<:Number}(x::AbstractArray{T},y::Array{Complex{T2}};
+                                       transformation=:split2D)
+  if transformation==:split2D
+    A = real.(y)
+    B = imag.(y)
+    _y = [!iseven(i) ? A[:,i÷2+1] : B[:,i÷2] for i in 1:2size(A,2)]
+    linestyle --> reshape([!iseven(i) ? :solid : :dash for i in 1:2size(A,2)],1,2size(A,2))
+    label --> reshape([!iseven(i) ? "Re(y$(i÷2+1))" : "Im(y$(i÷2))" for i in 1:2size(A,2)],1,2size(A,2))
+    color --> reshape([!iseven(i) ? i÷2+1 : i÷2 for i in 1:2size(A,2)],1,2size(A,2))
+    retval = (x,_y)
+  elseif transformation==:split3D
+    A = real.(y)
+    B = imag.(y)
+    ylabel --> "Re(y)"
+    zlabel --> "Im(y)"
+    retval = (x,A,B)
+  elseif transformation==:modulus
+    _y = norm.(y)
+    label --> reshape(["||y$(i)||" for i in 1:size(_y,2)],1,size(_y,2))
+    retval = (x,_y)
+  else
+    error("Transformation unknown. Please use :split2D, :split3D, or :modulus")
+  end
+  (retval...)
 end
 
 

From 0be08242077129b3c40da812b793d746ac45f187 Mon Sep 17 00:00:00 2001
From: ChrisRackauckas <chrisrackauckas@gmail.com>
Date: Sun, 16 Apr 2017 13:14:12 -0700
Subject: [PATCH 5/6] (complex) type recipe

---
 src/recipes.jl | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/recipes.jl b/src/recipes.jl
index 1bef17c8..48c201bf 100644
--- a/src/recipes.jl
+++ b/src/recipes.jl
@@ -801,12 +801,10 @@ datetimeformatter(dt) = string(convert(DateTime, dt))
 # -------------------------------------------------
 # Complex Numbers
 
-@userplot ComplexPlot
-@recipe function f(cp::ComplexPlot)
-    xguide --> "Real Part"
-    yguide --> "Imaginary Part"
-    seriestype --> :scatter
-    real(cp.args[1]), imag(cp.args[1])
+@recipe function f{T<:Number}(A::Array{Complex{T}})
+    xguide --> "Re(x)"
+    yguide --> "Im(x)"
+    real.(A), imag.(A)
 end
 
 # Splits a complex matrix to its real and complex parts

From 3e7dd9bb77cd51ac432aaae5c5e7bdfb481f3566 Mon Sep 17 00:00:00 2001
From: ChrisRackauckas <chrisrackauckas@gmail.com>
Date: Mon, 17 Apr 2017 22:15:13 -0700
Subject: [PATCH 6/6] tone down recipe

---
 src/recipes.jl | 28 ++++------------------------
 1 file changed, 4 insertions(+), 24 deletions(-)

diff --git a/src/recipes.jl b/src/recipes.jl
index 48c201bf..5be5b6e0 100644
--- a/src/recipes.jl
+++ b/src/recipes.jl
@@ -810,30 +810,10 @@ end
 # Splits a complex matrix to its real and complex parts
 # Reals defaults solid, imaginary defaults dashed
 # Label defaults are changed to match the real-imaginary reference / indexing
-@recipe function f{T<:Real,T2<:Number}(x::AbstractArray{T},y::Array{Complex{T2}};
-                                       transformation=:split2D)
-  if transformation==:split2D
-    A = real.(y)
-    B = imag.(y)
-    _y = [!iseven(i) ? A[:,i÷2+1] : B[:,i÷2] for i in 1:2size(A,2)]
-    linestyle --> reshape([!iseven(i) ? :solid : :dash for i in 1:2size(A,2)],1,2size(A,2))
-    label --> reshape([!iseven(i) ? "Re(y$(i÷2+1))" : "Im(y$(i÷2))" for i in 1:2size(A,2)],1,2size(A,2))
-    color --> reshape([!iseven(i) ? i÷2+1 : i÷2 for i in 1:2size(A,2)],1,2size(A,2))
-    retval = (x,_y)
-  elseif transformation==:split3D
-    A = real.(y)
-    B = imag.(y)
-    ylabel --> "Re(y)"
-    zlabel --> "Im(y)"
-    retval = (x,A,B)
-  elseif transformation==:modulus
-    _y = norm.(y)
-    label --> reshape(["||y$(i)||" for i in 1:size(_y,2)],1,size(_y,2))
-    retval = (x,_y)
-  else
-    error("Transformation unknown. Please use :split2D, :split3D, or :modulus")
-  end
-  (retval...)
+@recipe function f{T<:Real,T2}(x::AbstractArray{T},y::Array{Complex{T2}})
+  ylabel --> "Re(y)"
+  zlabel --> "Im(y)"
+  x,real.(y),imag.(y)
 end