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| ID | Project | Category | View Status | Date Submitted | Last Update | ||||
| 0004161 | ParaView | (No Category) | public | 2006-12-06 19:46 | 2007-01-23 15:15 | ||||
| Reporter | Ken Moreland | ||||||||
| Assigned To | Dave DeMarle | ||||||||
| Priority | high | Severity | feature | Reproducibility | always | ||||
| Status | closed | Resolution | fixed | ||||||
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| Target Version | Fixed in Version | ||||||||
| Summary | 0004161: Client side delivery | ||||||||
| Description | There needs to be a general mechanism for aggregating data and moving it to the client side. This is a requirement for our V&V scripting tools. | ||||||||
| Tags | No tags attached. | ||||||||
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(0006218) user521 2007-01-17 13:41 |
I added a facility for calculating min, max and sum of attribute values in vtkMinMax.cxx and for returning the result to the client via a paraview.fetch(), a python function. To do the parallel aggregation vtkReductionFilter tells each node to execute vtkMinMax to produce a per node min/max/sum, and then gathers the results to the root node and executes vtkMinMax again to produce a global min/max/sum. Question 1: Do we want to make these general gather and aggregate operations available in the GUI, or are they solely meant for scripted applications? For min/max/sum we have to execute vtkMinMax on the per node results to get a global result. However the default gather operation for the paraview GUI is to simply concatenate all per node results. For this reason vtkMinMax is not available from the GUI. Question 1: Min/max/sum of attribute values is a very simple type of aggregation - it simply discards all geometry and aggregates the data values. What type of geometric aggregation do we need and for what data types? |
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(0006246) Ken Moreland (manager) 2007-01-23 15:15 |
The current implementation seems to solve our current PGraph and Python scripting needs. As more use cases come up, we will generate new items in this tracker. |
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| Issue History | |||
| Date Modified | Username | Field | Change |
| 2011-06-16 13:10 | Zack Galbreath | Category | => (No Category) |
| Issue History |
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