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Extracted sub-volume with incorrect coordinates #492
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Any comments/suggestions? |
Hi, My best guess is that you have a bug when you create your own CDP lookup table, rather than just copying the header as-is. I'd start by simplifying that as you don't really benefit from creating the headers from scratch. |
Hi @jokva Many thanks for the suggestion. So, I decided to follow the Python code in https://github.com/equinor/segyio/blob/master/python/examples/copy-sub-cube.py Here is my new script: def generate_sub_volume(inline, xline, filename, outfile):
if name == 'main':
########################################## Unfortunately, the segy generated cannot be imported into my interpretation package. What am I missing? Do you have other suggestions? Best regards, |
Hi,
Thanks for such great package!
I wanted to extract a sub-volume from a 3D survey. The sub-volume is defined by a range of inlines and crosslines. For that, I followed your examples. Although the sub-volume gets generated, once I export the segy file into my interpretation package. I notice that the sub-volume is miss-positioned with respect to the input 3D survey. Please refer to attached screen shot, in which I illustrate the issue. Also, you will find a copy of the script that I used to extract the sub-volume.
Many thanks for your suggestions,
Ivan
Extracted_sub_volume.zip
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