if (condition == !$spots_absent) {
echo(condition, $spots_absent, "Y");
translate(xy * (spot_gap + spot_dia) * sqrt(0.5))
- circle(r= spot_dia/2);
+ circle(r= spot_dia/2 +
+ ($spots_plusgap ? multicolour_gap : 0));
} else {
echo(condition, $spots_absent, "N");
}