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public:user_software:prefactor [2016-02-23 11:08] – [FAQ] Andreas Horneffer | public:user_software:prefactor [2019-02-25 09:16] (current) – [To do list] David Rafferty | ||
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There are several pipeline parsets in this repository: | There are several pipeline parsets in this repository: | ||
- | * **Pre-Facet-Cal.parset** : The " | + | * **Pre-Facet-Calibrator.parset** : The calibrator |
- | * **Pre-Facet-Cal-RawData-Single.parset** : A pre-facet pipeline to work on raw (non NDPPP' | + | * **Pre-Facet-Target.parset** : The target |
- | * **Pre-Facet-Cal-RawData-PreAvg.parset** : A pre-facet | + | * **Initial-Subtract.parset** : A pipeline that generates full FoV images and subtracts the sky-models from the visibilities. (Needed for Factor.) |
- | * **Initial-Subtract.parset** : A pipeline that generates full FoV images and subtracts the sky-models from the visibilities. (Needed for facet-calibration, | + | |
==== Software requirements ==== | ==== Software requirements ==== | ||
- | * the full " | + | * the full " |
* LoSoTo | * LoSoTo | ||
- | * Python-PP | + | * LSMTool |
* Python matplotlib | * Python matplotlib | ||
- | * WSClean (for Initial-Subtract, version >=1.9) | + | * WSClean (for Initial-Subtract) |
+ | * Aplpy (see https:// | ||
+ | * See the prefactor GitHub page for more information | ||
==== Documentation ==== | ==== Documentation ==== | ||
- | There is a preliminary version of a cookbook chapter | + | Installation and setup is explained |
**Please read that first!** | **Please read that first!** | ||
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* observed close enough in time that calibration values can be transferred | * observed close enough in time that calibration values can be transferred | ||
* For each observation you should process all the calibrator data at once together. (Clock/TEC separation and flagging of bad amplitudes work better with the full bandwidth.) | * For each observation you should process all the calibrator data at once together. (Clock/TEC separation and flagging of bad amplitudes work better with the full bandwidth.) | ||
- | * The target data can be processed one time- or frequency- block at a time. | + | |
- | * Yes, updating the LOFAR software can be annoying. But it is worth ist! Trust me. 8-) | + | |
- | * Get someone | + | * Don't forget |
==== FAQ ==== | ==== FAQ ==== | ||
- | **BLAS Core affinity :** Your pipeline runs slow. All NDPPP / BBS / whatever processes use only little CPU time and only one core of the node is busy.\\ | + | **BLAS Core affinity :** Your pipeline runs slow. All NDPPP-/BBS-/whatever- processes use only little CPU time and only one core of the node is busy.\\ |
On clusters like CEP-3 the OpenBLAS library is built with threading affinity. This means that by default the different processes all try to use the same core(s). The '' | On clusters like CEP-3 the OpenBLAS library is built with threading affinity. This means that by default the different processes all try to use the same core(s). The '' | ||
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</ | </ | ||
That was caused by a bug in an old version of the genericpipeline. Update the software, make sure you use the new version of the software when starting the pipeline, and check the pathes in '' | That was caused by a bug in an old version of the genericpipeline. Update the software, make sure you use the new version of the software when starting the pipeline, and check the pathes in '' | ||
+ | |||
+ | **invalid value for ExecField executable: | ||
+ | < | ||
+ | 2016-04-25 15:53:23 ERROR | ||
+ | 2016-04-25 15:53:23 ERROR | ||
+ | 2016-04-25 15:53:23 ERROR | ||
+ | 2016-04-25 15:53:23 ERROR | ||
+ | 2016-04-25 15:53:23 ERROR | ||
+ | 2016-04-25 15:53:23 ERROR | ||
+ | </ | ||
+ | The given path points to a file that either doesn' | ||
+ | ==== To do list ==== | ||
+ | |||
+ | For feature requests or bug reports, please open an issue on the GitHub at: | ||
+ | https:// | ||
+ |