Gnuplot line types
Until version 4.6 The dash type of a linestyle is given by the linetype, which does also select the line color unless you explicitely set an other one with linecolor. However, the support for dashed lines depends on the selected terminal: Some terminals don’t support dashed lines, like png (uses libgd) Other terminals, like pngcairo, support dashed lines, but it is disables by … Read more