Opened 14 years ago
Last modified 14 years ago
#87 assigned task
Enable sequential reading/searching of large images
Reported by: | MatthewWhiting | Owned by: | MatthewWhiting |
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Priority: | normal | Milestone: | Release-2.0 |
Component: | Searching | Version: | 1.1.9 |
Severity: | normal | Keywords: | |
Cc: |
Description
While proper distributed processing is not yet available in Duchamp, is should be easy to implement a pseudo-distributed search, where each channel map is read and searched individually, then the sources combined in the usual way.
Use this ticket to record work needed to produce this option - it would be useful for searching large images that do not fit in memory.
Change History (3)
comment:1 Changed 14 years ago by
Status: | new → assigned |
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comment:2 Changed 14 years ago by
comment:3 Changed 14 years ago by
[724] has a new function for Object3D that returns a pixelset (vector list of voxels) with the flux values filled in from an array (that is given as an argument).
This should do what is required for the first dot point above.
Have attempted to implement something along these lines (subCubeIter.x in my devel directory). There are several problems:
Changes needed: