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| ID | Project | Category | View Status | Date Submitted | Last Update | ||||
| 0004223 | ParaView | (No Category) | public | 2006-12-18 09:19 | 2009-12-09 14:49 | ||||
| Reporter | Jean Favre | ||||||||
| Assigned To | Berk Geveci | ||||||||
| Priority | low | Severity | major | Reproducibility | always | ||||
| Status | closed | Resolution | fixed | ||||||
| Platform | OS | OS Version | |||||||
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| Target Version | Fixed in Version | ||||||||
| Summary | 0004223: multiple execution of Image Reader when running PV in parallel | ||||||||
| Description | I am having trouble developping a custom reader (public inheritance of vtkImageAlgorithm). When running PV on a single node, my reader executes once only - as expected - and creates a vtkImageData. I can then use any number of Filters downstream When running PV on multiple nodes, my reader executes every time I start a new filter. Can't figure out what triggers it. Forget about my own source code. I went back to the basics and put a DebugOn() statement in vtkImageReader. It exhibits exactly the same behavior: on a single node, execute once and only once as expected. on multiple nodes, executes multiple times. Here is an example running on 2 nodes, First read of a 90^3 raw binary file (the extents are split in the Z direction): Reading extent: 0, 89, 0, 89, 0, 45 Reading extent: 0, 89, 0, 89, 43, 89 then I extracted a I=29 ortho-slice and the reader executed again Reading extent: 29, 29, 0, 89, 0, 89 Reading extent: 29, 29, 0, 89, 0, 89 then I extracted an J=45 orthoslice and the reader executed again Reading extent: 0, 89, 45, 45, 0, 89 Reading extent: 0, 89, 45, 45, 0, 89 then I executed an isosurface and the reader executed again Reading extent: 0, 89, 0, 89, 0, 45 Reading extent: 0, 89, 0, 89, 43, 89 We have only found this multiple execution with ImageData. Other readers (for example for StructuredGrid) do not execute multiple times. | ||||||||
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(0007901) Berk Geveci (administrator) 2007-06-17 17:34 |
Fixed bug in vtkExtractVOI. |
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| Issue History | |||
| Date Modified | Username | Field | Change |
| 2009-12-09 14:49 | Berk Geveci | Project | @3@ => ParaView |
| 2011-06-16 13:10 | Zack Galbreath | Category | => (No Category) |
| Issue History |
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