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Rasters from small molecules samples fails #178

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opened 2026-08-26 16:55:45 +02:00 by gotthard_g · 0 comments
gotthard_g commented 2026-08-26 16:55:45 +02:00
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Problem:
User (Baba) is collecting small molecules samples
When rastering, the rastering is done, but as there is not enough low resolution spots detected, there is an error in DAQ.
Database gets " Error in raster: unsupported operand type(s) for /: 'NoneType' and 'float' Additional comment: Raster sequence failed: unsupported operand type(s) for /: 'NoneType' and 'float'" and a RasteringFailed event.
This leads to raster runs without diffraction images and a "wrong" failed event.
Capture d’écran 2026-08-26 à 16.24.40.png

The correct behaviour should be that the rastering was done properly, it should likely send a diffraction image from the position it went, and I could display on DB side that there was not enough spots at low resolution.

Problem: User (Baba) is collecting small molecules samples When rastering, the rastering is done, but as there is not enough low resolution spots detected, there is an error in DAQ. Database gets " Error in raster: unsupported operand type(s) for /: 'NoneType' and 'float' Additional comment: Raster sequence failed: unsupported operand type(s) for /: 'NoneType' and 'float'" and a RasteringFailed event. This leads to raster runs without diffraction images and a "wrong" failed event. ![Capture d’écran 2026-08-26 à 16.24.40.png](/attachments/7b5cac92-7c35-4b88-b9ae-f5d8f4e8647f) The correct behaviour should be that the rastering was done properly, it should likely send a diffraction image from the position it went, and I could display on DB side that there was not enough spots at low resolution.
Capture d’écran 2026-08-26 à 16.24.40.png
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buntschu_d (buntschu_d) duan_j (duan_j) glettig_w (glettig_w) gobbo_a (gobbo_a) gotthard_g (gotthard_g) leonarski_f (leonarski_f) mx-gitea olieric (olieric) perl_d (perl_d) takaba_k (takaba_k) wang_m (wang_m)
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Reference: mx/AareDAQ#178