Merge pull request #127 from bcsj/lineplot-nan-support

added support for vectors containing NaN in lineplot

src/canvas.jl

@@ -85,6 +85,9 @@ end
 function lines!(c::Canvas, X::AbstractVector, Y::AbstractVector, color::Union{Int, Symbol})
     length(X) == length(Y) || throw(DimensionMismatch("X and Y must be the same length"))
     for i in 1:(length(X)-1)
+        if isnan(X[i]) || isnan(X[i+1]) || isnan(Y[i]) || isnan(Y[i+1])
+            continue
+        end
         lines!(c, X[i], Y[i], X[i+1], Y[i+1], color)
     end
     c

src/interface/lineplot.jl

@@ -101,7 +101,9 @@ function lineplot(
         color::Symbol = :auto,
         name = "",
         kw...)
-    new_plot = Plot(x, y, canvas; kw...)
+    idx = map(!isnan, x)
+    idx .&= map(!isnan, y)
+    new_plot = Plot(x[idx], y[idx], canvas; kw...)
     lineplot!(new_plot, x, y; color = color, name = name)
 end