for(int i=0; i<col.numCells(); ++i)
wasDrawn |= drawCell(g, clocs[i], radCell, col.getCell(i));
//Draw small black circle to indicate input bit origin locations
if(_showInput && _data!=null && _data[col.ix()][col.iy()]==1) {
wasDrawn = true;
int r = Math.max(2, rad/6);
g.setColor(new Color(128,0,128));
g.fillOval(circle.x-r, circle.y-r, r*2, r*2);
g.setColor(Color.BLACK);