double PossibleRobot::getPercentageOfRobotColours(const Fovea &saliency) const {
    std::set<Colour> colours;
    colours.insert(cWHITE);
    colours.insert(cTEAM_AWAY);
    colours.insert(cTEAM_HOME);
    return getPercentageOfColours(saliency, colours);
}
double PossibleRobot::getPercentageOfRobotColours(const Fovea &saliency) const {
    std::set<Colour> colours;
    colours.insert(cWHITE);
    colours.insert(cROBOT_BLUE);
    colours.insert(cROBOT_RED);
    return getPercentageOfColours(saliency, colours);
}
double PossibleRobot::getPercentageOfColour(const Fovea &saliency, const Colour &desiredColour) const {
	std::set<Colour> colours;
	colours.insert(desiredColour);
	return getPercentageOfColours(saliency, colours);

}