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raster bands computation from different images/datacubes #48
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This is a Web Editor error that has been fixed. The actual error was from GEE and stated that the overlap resolver is missing. While looking at the code, it seems overlap resolver is not supported (there's a ToDo in code, but the parameter hasn't been removed from the process spec)
@bgoesswe Did you implement that? Could you finish the implementation? Could be related to #47, too? @pacomoral One thing that confuses me here is that the load_collection arguments are exactly the same. The reduce_dimensions, too. So you are merging two equal data cubes, which doesn't seem very meaningful. Is there something I'm missing or is the process not correct? After clarifying this, we may be able to provide an alternative solution, too. |
I am now implementing the overlap resolver, but one additional note on this process graph: If you want to use the merge_cubes process and the input datacubes overlap, you have to specify the overlap resolver attribute in the merge_cubes process. Otherwise, the backend does not know what to do with the overlapping data. |
You are right, @m-mohr, data used in the model doesn't seem very meaningful, it's just a toy problem in which data was selected trying not to cause incompatibility problems. I attached a new model with more realistic data. By reading your answers, I understand that the way for computing bands from different images is via 'merge_cubes', so I'll focus on this approach. I'm just landing on the OpenEO planet, advise welcome! Thanks! |
No I am not finished yet, I will comment on this issue when it should work. |
Just to update, last error I got has been solved!, it was a matter of parameters missing in the rename_labels command (file attached). Good news, now I'm able to compute from different cubes taking precautions of controlling label band names for avoiding overlaps in the merge_cubes. @m-mohr, @bgoesswe Thanks for your support! |
Then this issue is solved, right? |
We are aiming to do some computation between bands from different files (e.g. IM1_B1+IM1_B2+IM2_B1+IM2_B2). The way to do that was trying the merge_cubes command for having all bands in the same cube, but an error comes up (this.getTitle is not a function).
Looks like there is an overlap_resolver (merge_cubes) issue in GEE, (thanks for the info, Matthias). And the main point is how to compute data from different sources, either with merge_cubes or another command/approach, any suggestions?
Regards
Paco
openEO_2dc_problem.txt
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