Dear Elizabeth,<br><br>What vendor is this table for?<br><br>Best,<br><br>Seongjin Choi<br><br><div class="gmail_quote">On Wed, Jul 9, 2008 at 3:39 PM, Elizabeth Finger <<a href="mailto:Elizabeth.Finger@lhsc.on.ca">Elizabeth.Finger@lhsc.on.ca</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hello-<br>
<br>
I have running into an error- the DTI Mapping program is crashing out, when attempting to do a tensor calculation with an updated gradient table from the AIR Matrix calcuation that uses two series. We have two separate series with 3 b0 images and 33 graidents with the same DTI parameters per subject. We have used AIR to align them together, and generated an updated gradient table. When we reload the two AIR series into the DTI Mapping window with the new gradient table from AIRMatrix output (table pasted below, now with 72 lines, starting w/ 0 and ending w/ 71), the data load correctly. However, when we attempt to run the tensor calculation with automatic outlier rejection, as soon as the calculation starts the program crashes out. If we use the original gradient table there is no problem. Also, if we use half of the updated gradient tables (either first half w/ numbers from 0 to 35, or the second half w/ original airmatrix numbers from 36-71, the tensor calculation works. Is there something else we can do to use the revised gradient table for both series and include both series in the tensor calculation?<br>
<br>
Thank you,<br>
Elizabeth Finger<br>
<br>
*** New Gradient Table ***<br>
0: 0.000000, 0.000000, 0.000000<br>
1: 0.000000, 0.000000, 0.000000<br>
2: 0.000000, 0.000000, 0.000000<br>
3: 0.999999, 0.000434, -0.000390<br>
4: 0.313706, 0.949767, -0.000230<br>
5: -0.072833, 0.636259, 0.767252<br>
6: 0.875411, -0.479757, 0.061399<br>
7: -0.199675, -0.555806, 0.809540<br>
8: -0.615266, -0.363411, 0.700719<br>
9: 0.684460, 0.371145, 0.627016<br>
10: -0.565897, 0.821968, 0.063204<br>
11: 0.901326, 0.406546, 0.148179<br>
12: 0.093208, -0.995034, -0.035177<br>
13: 0.144608, -0.895242, -0.421890<br>
14: 0.524194, -0.680821, -0.509454<br>
15: -0.481128, -0.733741, 0.480656<br>
16: -0.823076, 0.449965, 0.347979<br>
17: -0.888253, -0.063133, -0.455690<br>
18: -0.672102, -0.732741, 0.110781<br>
19: 0.699453, -0.110723, -0.705987<br>
20: 0.441389, -0.391523, -0.806244<br>
21: -0.281831, -0.814184, -0.507885<br>
22: -0.601632, -0.812283, -0.508305<br>
23: 0.629421, 0.708171, 0.317496<br>
24: -0.568210, 0.273148, -0.778529<br>
25: 0.829784, -0.324714, 0.454091<br>
26: 0.313490, 0.491775, 0.811144<br>
27: 0.054139, -0.216170, -0.975053<br>
28: 0.286972, -0.904461, 0.315101<br>
29: 0.923529, -0.021970, -0.383806<br>
30: 0.264165, -0.607207, 0.749858<br>
31: 0.260233, -0.609104, 0.749834<br>
32: 0.854475, 0.400779, -0.330854<br>
33: -0.097884, 0.220989, -0.970907<br>
34: -0.349784, -0.104215, 0.931861<br>
35: -0.426056, -0.091100, -0.900897<br>
36: 0.000000, 0.000000, 0.000000<br>
37: 0.000000, 0.000000, 0.000000<br>
38: 0.000000, 0.000000, 0.000000<br>
39: 0.999991, -0.004224, -0.000249<br>
40: 0.314415, 0.949532, -0.000519<br>
41: -0.075562, 0.638964, 0.766869<br>
42: 0.875203, -0.479650, 0.061976<br>
43: -0.199274, -0.552859, 0.809863<br>
44: -0.614361, -0.360801, 0.701046<br>
45: 0.685615, 0.369276, 0.626992<br>
46: -0.559605, 0.826597, 0.062539<br>
47: 0.904448, 0.399873, 0.148048<br>
48: 0.093181, -0.995075, -0.035007<br>
49: 0.144334, -0.895057, -0.421964<br>
50: 0.519135, -0.685870, -0.509212<br>
51: -0.481587, -0.732226, 0.480938<br>
52: -0.823207, 0.450559, 0.347815<br>
53: -0.886639, -0.063294, -0.456166<br>
54: -0.676109, -0.728467, 0.111361<br>
55: 0.700883, -0.109309, -0.705804<br>
56: 0.444573, -0.392454, -0.805908<br>
57: -0.280834, -0.812282, -0.508434<br>
58: -0.601365, -0.814664, -0.507772<br>
59: 0.629210, 0.711182, 0.316532<br>
60: -0.566986, 0.272640, -0.778692<br>
61: 0.830525, -0.326559, 0.453683<br>
62: 0.315200, 0.490945, 0.811119<br>
63: 0.054672, -0.213494, -0.975138<br>
64: 0.284283, -0.905688, 0.314935<br>
65: 0.923751, -0.020852, -0.383734<br>
66: 0.259252, -0.608233, 0.749993<br>
67: 0.259508, -0.605161, 0.750359<br>
68: 0.854059, 0.401502, -0.330884<br>
69: -0.095633, 0.224934, -0.970803<br>
70: -0.349293, -0.104589, 0.931882<br>
71: -0.423139, -0.088227, -0.901151<br>
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</blockquote></div><br>