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- ids_get(<path_including_indices>)
- ids.path.to.field.get(indices) will be also investigated
querysyntax- TBD
- what users exactly need?
- we may take a look at Demux actor
| Info | ||
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The ualdemux actor extracts single fields from a CPO given as input. Each exported field is defined by an output port added by the user, you can add as many output ports as you want. It is mandatory that the name of the port is the full path of the field to export, for example datainfo/whatref/machine is the path to machine field of a limiter CPO. The actor takes a time as input, which is propagated as output port if we manipulate a non-timed CPO, or a timed CPO in timeSlice mode. The timeSlice mode is a parameter of the actor, you can change its value by double clicking on it: if it is set at true, data are extracted for the slice corresponding at the input time, if it is set at false, data are extracted for each time slice (so a simple scalar data will become a 1D vector). If timeSlice is false, the output time becomes also a vector of times. </p> <p>/!\Note that at this time, ualdemux actor allows only 1D data export in kepler. </p> <p>TheThe last feature of this actor is the selection of subset to be extracted. You need to specify this selection in the name of the output port as follow: first you have to add a ; (semicolon) after the name of the field, then you have to specify the dimension in which you consider the data (1 is the first dim). After that, you can add as many ;index as you want (a semicolon followed by an index you want to extract). You can also replace the index by an expression index1:index2 (with a colon) to specify a set of indexes between both index1 and index2. For example, position/z;1;5;10;15:18 will export indexes [5,10,15,16,17,18] of the field z. |
Returned valuesFunctionality:
- If the field is a A simple structure or a leaf with no more than one array of structure ancestor,
- Returned: an array of the field is returnedi, containing the desired indices of its parent array of structure (optional argument, valid only if the requested leaf has the same size for all desired indices).
- Example : magnetics.flux_loop(indices).flux
- Q: how can we specify this with Bartek’s method ? Does a Python method accept a syntax such as magnetics.flux_loop(:).flux.get or magnetics.flux_loop.flux.get(:) ?
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- An array of structure
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- Returned: an array of structure containing the desired indices (optional argument, by default all indices are returned).
- Example : magnetics.flux_loop(indices) à straightforward with Bartek’s method
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- An array of structure with an array of structure ancestor:
- Example. ic_antennas.antenna(indices1).module.get(indices2)
- It will be investigated if the method can be also easily implemented (i.e. the result is not guaranteed and the need is less obvious)
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- A
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- field or a simple structure with more than one array of structure ancestor
- Example:
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- ic_antennas.antenna(indices1).module(indices2).power_launched.get
- It will be investigated if the method can be also easily implemented (i.e. the result is not guaranteed and the need is less obvious)
OPEN POINTS:
- Syntax - TBD
- Is it possible to implement ids.path.to.field.get(indices) -> arrays of structures as a part of path....
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