Example of Particle File
The coordinate system is as follows.

Every line contains the particle location information
#
# |y +-----------> X
# | |
# | |
# | |
# +------- x |
# / Y
# /z
#
# real field image field
#
#
# ID x y z X Y I
2 3.208 6.028 -0.229 205.30 62.19 1.27
6 3.821 3.973 0.192 244.52 193.72 6.10
8 3.933 6.384 -0.142 251.73 39.41 32.09
19 1.879 6.936 -0.034 120.27 4.11 214.47
20 0.927 5.151 0.171 59.35 118.30 13.10
22 1.018 6.633 0.040 65.17 23.47 203.70
28 0.299 3.697 0.116 19.11 211.40 63.10
32 1.996 6.628 -0.110 127.77 23.81 72.25
43 2.520 3.213 -0.146 161.25 242.37 28.34
44 1.292 5.087 -0.186 82.70 122.44 7.48
58 3.376 3.780 0.000 216.09 206.09 240.00
59 3.045 4.454 0.134 194.89 162.91 40.26
65 0.878 4.286 0.010 56.22 173.70 237.69
79 1.757 5.945 -0.015 112.45 67.52 234.49
83 0.417 4.784 -0.087 26.70 141.84 111.80
88 3.031 5.303 0.094 194.01 108.60 99.65
91 2.385 3.783 0.059 152.64 205.88 170.34
111 1.486 5.819 0.054 95.13 75.59 179.33
124 1.643 6.247 -0.136 105.18 48.21 37.53
127 0.197 5.624 -0.225 12.63 88.06 1.52
132 1.086 5.224 0.044 69.48 113.69 197.63
133 3.652 5.180 0.197 233.73 116.46 5.01
156 3.368 4.394 -0.108 215.54 166.77 74.82
169 3.587 3.124 0.045 229.55 248.08 195.25
172 1.510 3.587 -0.199 96.66 218.43 4.63
178 3.916 3.959 0.071 250.60 194.62 145.60
179 0.733 5.437 0.096 46.91 100.06 95.19
181 0.766 3.288 -0.196 49.04 237.58 5.06
185 3.615 5.143 0.065 231.33 118.87 158.27
187 1.923 6.208 0.036 123.05 50.69 211.43
191 3.965 3.205 -0.148 253.74 242.90 26.87
201 0.124 4.885 -0.026 7.93 135.36 224.87
207 2.034 4.646 -0.233 130.19 150.66 1.04
218 2.412 4.845 0.018 154.38 137.94 232.68
224 1.525 3.411 -0.061 97.63 229.69 166.21
234 2.388 3.736 -0.116 152.85 208.87 62.58