}
if (colorRamp != null && colorRamp.length() > 0) {
ColorRamp ramp = null;
if (colorRamp.equalsIgnoreCase("random"))
ramp = (ColorRamp) new RandomColorRamp();
else if (colorRamp.equalsIgnoreCase("red"))
ramp = (ColorRamp) new RedColorRamp();
else if (colorRamp.equalsIgnoreCase("blue"))
ramp = (ColorRamp) new BlueColorRamp();
else if (colorRamp.equalsIgnoreCase("custom")) {