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[Pre-stack VDS read](https://community.opengroup.org/osdu/platform/domain-data-mgmt-services/seismic/open-vds/-/wikis/Pre-stack-data#pre-stack-vds-read) : read a shot- or receiver-gather from AWS S3 into a Numpy array using a Python function
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[Use of a mask](https://community.opengroup.org/osdu/platform/domain-data-mgmt-services/seismic/open-vds/-/wikis/Pre-stack-data#use-of-a-mask) : remove the zero-valued padded traces that are inserted in the VDS |
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[Use of a mask](https://community.opengroup.org/osdu/platform/domain-data-mgmt-services/seismic/open-vds/-/wikis/Pre-stack-data#use-of-a-mask) : remove the zero-valued padded traces that are inserted in the VDS
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[Retrieve SEGY trace headers](https://community.opengroup.org/osdu/platform/domain-data-mgmt-services/seismic/open-vds/-/wikis/Pre-stack-data#retrieve-segy-trace-header) : read the SEGY trace headers to access x,y,z coordinates for shots and receivers
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Decode SEGY trace headers : extract values from specified byte locations
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Meta data : extract information from the VDS meta data |
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