rotation_axis=`h5dump -a "/entry/sample/transformations/omega/vector" $FIRSTFRAME 2>/dev/null | grep "(0):" | sed -e "s/^.*://; s/,//g"` | rotation_axis=`h5dump -a "/entry/sample/transformations/omega/vector" $FIRSTFRAME 2>/dev/null | grep "(0):" | sed -e "s/^.*://; s/,//g"` |