var boundedTopY = g.toDomYCoord(yExtremes[0], i) + maxYPixelsToDraw;
var boundedBottomY = g.toDomYCoord(yExtremes[1], i) - maxYPixelsToDraw;
var boundedTopY = g.toDomYCoord(yExtremes[0], i) + maxYPixelsToDraw;
var boundedBottomY = g.toDomYCoord(yExtremes[1], i) - maxYPixelsToDraw;