if( (pixel.x>=mapPixelWidth && pixel.y>=mapPixelHeight) )
break;
//draw vertical lines and labels
if( pixel.x<mapPixelWidth)
graphics.drawLine(pixel.x,
0,
pixel.x,
mapPixelHeight - BOTTOM_STRIP_HEIGHT + GRID_LINE_EXTENSION);
if (showLabels) {
graphics.drawString((int)(coord.y)+"",