Add a new continuous colour/fill scale using colorbrewer colours -- rebased to current master #828
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It fetches 6 colours from a colorbrewer palette and feeds them to gradientn. It gives very nice results even if the palettes were not intended for that use originally.
As per Hadley's request: "add a few words to the main doc mentioning that it does both continuous and discrete variables""
Give more precisions regarding the intent of the original colours and how ggplot2 modifies them (in the continuous case).
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This is a version of #439 that applies cleanly to the current version of hadley/ggplot2 .