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OpendTect
6.3
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Storage and access of data in survey-geometry driven blocks. More...
Classes | |
| class | Block |
| Single block of data. More... | |
| class | DataStorage |
| Base class for Reader and Writer. More... | |
| class | Dimensions |
| class | GlobIdx |
| class | SampIdx |
| class | Writer |
| Writes provided data into Block Storage. More... | |
Typedefs | |
| typedef short | IdxType |
| typedef unsigned short | SzType |
| typedef Survey::Geometry3D | SurvGeom |
Storage and access of data in survey-geometry driven blocks.
A 3D survey Geometry defines a full 'Lattice' that in turns defines a unique set of indices for inlines, crosslines and Z. We can group the positions into blocks of a size that can easily be read in one go but is still big enough to not make a huge number of files. BTW the default size 80x80x80 was chosen to always fit within a default HD cache unit of 8MB.
With these predefined dimensions, we can set up indexes for each block in each dimension (the GlobIdx). Within the blocks, you then have local, relative indices 0 - N-1 in SampIdx.
| typedef short Seis::Blocks::IdxType |
| typedef unsigned short Seis::Blocks::SzType |
Generated at for the OpendTect seismic interpretation project. Copyright (C): dGB Beheer B. V. 2017