update point_size_numerical test

test/testscripts/point_size_numerical.jl

@@ -1,5 +1,14 @@
 using Gadfly
 
-set_default_plot_size(6inch, 6inch)
+set_default_plot_size(9inch, 3inch)
 
-plot(x=rand(100), y=rand(100), size=rand(1:8, 100)./100, Geom.point)
+y, size = [0.55, 0.7, 0.9, 0.99, 0.9], [0.4, 0.5, 0.6, 0.68, 0.63]
+juliaclrs = Gadfly.parse_colorant(["forestgreen", "brown3", "mediumorchid"])
+theme = Theme(key_swatch_shape=Shape.circle, alphas=[0.1], discrete_highlight_color=identity)
+
+p1 = plot(x=[2,1.13,2.87], y=[3,1.5,1.5], size=[0.75], alpha=[0.8],
+    color=juliaclrs, Coord.cartesian(fixed=true))
+p2 = plot(x=1:5, y=y, size=10^5*size, Scale.size_radius(maxvalue=10^5), theme)
+p3 = plot(x=1:5, y=y, size=10^5*size, Scale.size_area(maxvalue=10^5), theme)
+
+hstack(p1, p2, p3)