If the data series passed to ScaleGradient in plot is integer-valued, it does not generate a correct color gradient. Here is a sequence consisting of integers used in a call to ScaleGradient:

screen shot 2013-06-07 at 5 01 47 pm

And the same after casting to floats:

screen shot 2013-06-07 at 5 04 23 pm

Comment From: cpcloud

@fonnesbeck can u post ur code? thanks!

Comment From: fonnesbeck

Here is a complete example

Comment From: jreback

deprecating rplot in 0.16.0, so closing this.