1. Switch to NaN: sometimes, when the height is very low, all columns from the latitude column on will become NaN:
Code: Select all
1 1 11 1 18 5 0 99 -25.0 44.440 -111.338 0.3 786.2 248.2 1864.3
2 1 11 1 18 5 0 99 -25.0 46.052 -109.776 0.0 824.1 243.8 1517.5
3 1 11 1 18 5 0 99 -25.0 46.920 -108.695 0.0 865.8 243.8 1154.2
4 1 11 1 18 5 0 99 -25.0 38.079 -109.228 144.2 768.0 267.3 2018.2
5 1 11 1 18 5 0 99 -25.0 40.467 -120.049 4855.3 433.6 234.7 1437.5
1 1 11 1 18 4 0 99 -26.0 44.442 -111.374 0.8 786.3 248.6 1862.8
2 1 11 1 18 4 0 99 -26.0 46.056 -109.825 0.0 823.5 244.4 1522.2
3 1 11 1 18 4 0 99 -26.0 46.928 -108.785 0.3 864.7 244.3 1161.7
4 1 11 1 18 4 0 99 -26.0 37.715 -109.474 109.2 773.8 267.9 1999.5
5 1 11 1 18 4 0 99 -26.0 41.374 -120.266 4947.3 435.0 234.9 1324.2
1 1 11 1 18 3 0 99 -27.0 NaN NaN NaN NaN NaN NaN
2 1 11 1 18 3 0 99 -27.0 NaN NaN NaN NaN NaN NaN
3 1 11 1 18 3 0 99 -27.0 NaN NaN NaN NaN NaN NaN
4 1 11 1 18 3 0 99 -27.0 37.374 -109.690 74.4 779.8 268.6 1982.3
5 1 11 1 18 3 0 99 -27.0 42.310 -120.455 5040.4 436.7 234.9 1202.4
1 1 11 1 18 2 0 99 -28.0 NaN NaN NaN NaN NaN NaN
2 1 11 1 18 2 0 99 -28.0 NaN NaN NaN NaN NaN NaN
3 1 11 1 18 2 0 99 -28.0 NaN NaN NaN NaN NaN NaN
4 1 11 1 18 2 0 99 -28.0 37.096 -109.923 43.7 784.9 269.2 1957.8
5 1 11 1 18 2 0 99 -28.0 43.262 -120.624 5140.0 438.2 235.1 1093.9
3. Row of asterisks: sometimes, the switch to NaN as the trajectory presumably hits the ground will be preceded by a row of asterisks (see trajectory 1 in sample_traj_asterisks.txt)
Code: Select all
1 1 15 12 30 15 0 99 -21.0 28.243 -82.265 15.0 1024.5 285.9 -112.1
2 1 15 12 30 15 0 99 -21.0 33.475 -84.965 111.1 988.4 274.9 82.0
3 1 15 12 30 15 0 99 -21.0 33.758 -86.949 318.6 965.4 277.5 65.5
4 1 15 12 30 15 0 99 -21.0 33.949 -88.400 672.7 928.3 277.8 33.7
5 1 15 12 30 15 0 99 -21.0 44.433 -110.504 5582.3 377.4 237.2 1812.3
1 1 15 12 30 14 0 99 -22.0********* -82.368 ******** ******** ******** ********
2 1 15 12 30 14 0 99 -22.0 33.505 -85.006 118.9 986.2 275.2 98.4
3 1 15 12 30 14 0 99 -22.0 33.778 -87.046 324.1 964.5 277.5 67.0
4 1 15 12 30 14 0 99 -22.0 33.954 -88.617 674.6 928.6 277.9 27.0
5 1 15 12 30 14 0 99 -22.0 44.862 -112.152 5663.4 380.9 237.6 1696.1
1 1 15 12 30 13 0 99 -23.0 NaN NaN NaN NaN NaN NaN
2 1 15 12 30 13 0 99 -23.0 33.547 -85.068 127.6 984.3 275.5 100.1
3 1 15 12 30 13 0 99 -23.0 33.819 -87.158 329.9 963.8 277.6 66.3
4 1 15 12 30 13 0 99 -23.0 33.970 -88.828 677.2 929.1 278.0 20.6
5 1 15 12 30 13 0 99 -23.0 45.156 -113.749 5758.5 386.9 238.4 1501.9
1 1 15 12 30 12 0 99 -24.0 NaN NaN NaN NaN NaN NaN
2 1 15 12 30 12 0 99 -24.0 33.603 -85.154 137.3 982.4 275.7 102.3
3 1 15 12 30 12 0 99 -24.0 33.881 -87.284 335.7 963.1 277.6 66.3
4 1 15 12 30 12 0 99 -24.0 33.995 -89.033 680.2 929.4 278.1 14.6
5 1 15 12 30 12 0 99 -24.0 45.332 -115.290 5822.3 392.6 239.3 1337.5