infinite shapes

src/backends/glvisualize.jl

@@ -289,6 +289,8 @@ function extract_points(d)
     dim = is3d(d) ? 3 : 2
     array = if d[:seriestype] == :straightline
         straightline_data(d)
+    elseif d[:seriestype] == :shape
+        shape_data(series)
     else
         (d[:x], d[:y], d[:z])[1:dim]
     end

src/backends/gr.jl

@@ -1186,6 +1186,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
             GR.selntran(1)
 
         elseif st == :shape
+            x, y = shape_data(series)
             for (i,rng) in enumerate(iter_segments(x, y))
                 if length(rng) > 1
                     # connect to the beginning

src/backends/inspectdr.jl

@@ -272,6 +272,7 @@ For st in :shape:
 =#
 
     if st in (:shape,)
+        x, y = shape_data(series)
         nmax = 0
         for (i,rng) in enumerate(iter_segments(x, y))
             nmax = i

src/backends/pgfplots.jl

@@ -222,6 +222,8 @@ function pgf_series(sp::Subplot, series::Series)
         d[:x], d[:y], d[:z]
     elseif st == :straightline
         straightline_data(series)
+    elseif st == :shape
+        shape_data(series)
     elseif d[:marker_z] != nothing
         # If a marker_z is used pass it as third coordinate to a 2D plot.
         # See "Scatter Plots" in PGFPlots documentation

src/backends/plotly.jl

@@ -704,7 +704,7 @@ function plotly_series_shapes(plt::Plot, series::Series)
     base_d[:name] = series[:label]
     # base_d[:legendgroup] = series[:label]
 
-    x, y = plotly_data(series[:x]), plotly_data(series[:y])
+    x, y = shape_data(series)
     for (i,rng) in enumerate(iter_segments(x,y))
         length(rng) < 2 && continue
 

src/backends/pyplot.jl

@@ -454,6 +454,8 @@ function py_add_series(plt::Plot{PyPlotBackend}, series::Series)
     x, y, z = series[:x], series[:y], series[:z]
     if st == :straightline
         x, y = straightline_data(series)
+    elseif st == :shape
+        x, y = shape_data(series)
     end
     xyargs = (st in _3dTypes ? (x,y,z) : (x,y))
 

src/backends/unicodeplots.jl

@@ -157,6 +157,8 @@ function addUnicodeSeries!(o, d::KW, addlegend::Bool, xlim, ylim)
     # get the series data and label
     x, y = if st == :straightline
         straightline_data(d)
+    elseif st == :shape
+        shape_data(series)
     else
         [collect(float(d[s])) for s in (:x, :y)]
     end

src/utils.jl

@@ -1121,3 +1121,25 @@ function straightline_data(xl, yl, x, y)
         return xdata, a .* xdata .+ b
     end
 end
+
+function shape_data(series)
+    sp = series[:subplot]
+    xl, yl = isvertical(series) ? (xlims(sp), ylims(sp)) : (ylims(sp), xlims(sp))
+    x, y = series[:x], series[:y]
+    factor = 100
+    for i in eachindex(x)
+        if x[i] == -Inf
+            x[i] = xl[1] - factor * (xl[2] - xl[1])
+        elseif x[i] == Inf
+            x[i] = xl[2] + factor * (xl[2] - xl[1])
+        end
+    end
+    for i in eachindex(y)
+        if y[i] == -Inf
+            y[i] = yl[1] - factor * (yl[2] - yl[1])
+        elseif y[i] == Inf
+            y[i] = yl[2] + factor * (yl[2] - yl[1])
+        end
+    end
+    return x, y
+end