RCircos.Get.Heatmap.Color.Scale: Generate Color Scales for Heatmap Plot
Description
Create color scales for heatmap plot. Currently there are six color scales could be generated:
BlueWhiteRed: colors from blue (lowest) to white then red (highest)
GreenWhiteRed: colors from green (lowest) to white then red (highest)
GreenYellowRed: colors from green (lowest) to yellow then red (highest)
GreenBlackRed: colors from green (lowest) to black then red (highest)
YellowToRed: colors from yellow (lowest) to red (highest)
BlackOnly: black only