printf("-s <value> \t steps (default %d)\n",STEPS);
printf("-d <value> \t refresh display (default %d)\n",REFRESH);
printf("-r <value> \t amorphous influence range (default %d)\n",RANGE);
printf("-s <value> \t steps (default %d)\n",STEPS);
printf("-d <value> \t refresh display (default %d)\n",REFRESH);
printf("-r <value> \t amorphous influence range (default %d)\n",RANGE);