Comments (1)
Dirack
commented on June 14, 2024
The problem is probably in the CMP coordinates vector. One first solution attempt is to define an aperture parameter (maximum number of traces in CRE Gather). Stacking does not use all traces in a CRE Gather it has an aperture that can be used in the CRE Gather panels generation. That is used in commit b15de79
To understand how it works, look at the first 50 traces in the CMP coordinates file. Thay are not outside of the model (<5.025):
sfdisfil < creMhCoordinates-m0-0-t0-0.rsf
0: 3.5 3.5 3.501 3.502 3.503
5: 3.504 3.506 3.508 3.511 3.514
10: 3.517 3.52 3.524 3.528 3.533
15: 3.537 3.542 3.547 3.553 3.559
20: 3.565 3.571 3.577 3.584 3.59
25: 3.597 3.605 3.612 3.62 3.627
30: 3.635 3.643 3.652 3.66 3.668
35: 3.677 3.686 3.695 3.704 3.713
40: 3.722 3.731 3.741 3.75 3.76
45: 3.77 3.779 3.789 3.799 3.809
50: 3.819 3.829 3.84 3.85 3.86
55: 3.871 3.881 3.892 3.902 3.913
60: 3.924 3.934 3.945 3.956 3.967
65: 3.978 3.989 4 4.011 4.022
70: 4.033 4.044 4.055 4.066 4.077
75: 4.089 4.1 4.111 4.123 4.134
80: 4.145 4.157 4.168 4.18 4.191
85: 4.203 4.214 4.226 4.237 4.249
90: 4.26 4.272 4.284 4.295 4.307
95: 4.318 4.33 4.342 4.354 4.365
100: 4.377 4.389 4.401 4.412 4.424
105: 4.436 4.448 4.46 4.472 4.483
110: 4.495 4.507 4.519 4.531 4.543
115: 4.555 4.567 4.579 4.591 4.603
120: 4.614 4.626 4.638 4.65 4.662
125: 4.674 4.686 4.698 4.71 4.723
130: 4.735 4.747 4.759 4.771 4.783
135: 4.795 4.807 4.819 4.831 4.843
140: 4.855 4.867 4.879 4.892 4.904
145: 4.916 4.928 4.94 4.952 4.964
150: 4.977 4.989 5.001 5.013 5.025
155: 5.037 5.05 5.062 5.074 5.086
160: 5.098
If we define CRE Gather panels with aperture of 50 traces, the bug should disappear.
from cregatherstack.
Related Issues (20)
- [FEA] Flag option to select traveltime approximation
- [BUG] Segmentation fault when number of offsets is less than stacked aperture variable in Mcrestack.c
- [FEA] Change the name of the package to creGatherStack HOT 1
- [FEA] Use the Mvfsacrsnh.c from original repository as a dependency, delete the copy
- [FEA] Build the cre stacked section with one SConstruct
- [FEA] Test the SConstruct and get stacked section using CRE and CDS approximations
- [DOC] Delete useless examples and build only two general examples
- [FEA] New experiment: Multi layer model
- [BUG] Segmentation fault in sfvfsacrsnh applied to multi layer model HOT 1
- [FEA] Use madagascar Recipes to do cre gather stack
- [FEA] Use SCons explicity dependency to avoid building errors
- [FEA] Add pef interpolation example to Madagascar package recipes
- CRE Gather stack article
- [BUG] Aperture parameter in Mgetcregather.c in conflict with Mcrestack.c
- [FEA] New program: Use parameter RNIP to estimate VRMS
- [FEA] program sfrnip2vrms receives only rnip file as input
- [BUG] program sfrnip2vrms is getting wrong input values HOT 1
- [FEA] Create a function to CRE Gather Stack process
- [FEA] Update the package to new vfsa version 1.1.2 HOT 3
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