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aare/RELEASE.md
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Fix/mt cluster finder dropping frames (#265)
Issue from Jonathan. 

- writing to output queue did not check if queue is full - such that
frames were dropped.

## Dataset to recreata issue: 

data overf 10G interface can be accessed on pc: pc-highz-02
raw frames:
/mnt/sls_det_storage_10G/highZ_data/JMulvey/Calibration_From_HZ02/2025Jan_m343/Zr15800eV/250129_CZTsolo_Xray_Tp_15C_tint_100_master_0.json

pedestal frames:
/mnt/sls_det_storage_10G/highZ_data/JMulvey/Calibration_From_HZ02/2025Jan_m343/Zr15800eV/250129_CZTsolo_Pedestal_Tp_15C_tint_100_master_0.json

---------

Co-authored-by: Erik Fröjdh <erik.frojdh@psi.ch>
2026-01-20 17:02:27 +01:00

3.0 KiB

Release notes

head

New Features:

  • Expanding 24 to 32 bit data
  • Decoding digital data from Mythen 302
  • added transform_eta_values. Function transforms :math:\eta to uniform spatial coordinates. Should only be used for easier debugging.
  • New to_string, string_to for aare
  • Added exptime and period members to RawMasterFile including decoding
  • Removed redundant arr.value(ix,iy...) on NDArray use arr(ix,iy...)
  • Removed Print/Print_some/Print_all form NDArray (operator << still works)
  • Added const* version of .data()

Bugfixes:

  • multi threaded cluster finder doesnt drop frames if queues are full

2025.11.21

New Features:

  • Added SPDX-License-Identifier: MPL-2.0 to source files

  • Calculate Eta3 supports all cluster types

  • interpolation class supports using cross eta3x3 and eta3x3 on full cluster as well as eta2x2 on full cluster

  • interpolation class has option to calculate the rosenblatt transform

  • reduction operations to reduce Clusters of general size to 2x2 or 3x3 clusters

  • max_sum_2x2 including index of subcluster with highest energy is now available from Python API

  • interpolation supports bilinear interpolation of eta values for more fine grained transformed uniform coordinates

  • Interpolation is documented

  • Added tell to ClusterFile. Returns position in bytes for debugging

Resolved Features:

  • calculate_eta coincides with theoretical definition

Bugfixes:

  • eta calculation assumes correct photon center
  • eta transformation to uniform coordinates starts at 0
  • Bug in interpolation
  • File supports reading new master json file format (multiple ROI's not supported yet)

API Changes:

  • ClusterFinder for 2x2 Cluster disabled
  • eta stores corner as enum class cTopLeft, cTopRight, BottomLeft, cBottomRight indicating 2x2 subcluster with largest energy relative to cluster center
  • max_sum_2x2 returns corner as index

2025.8.22

Features:

  • Apply calibration works in G0 if passes a 2D calibration and pedestal
  • count pixels that switch
  • calculate pedestal (also g0 version)
  • NDArray::view() needs an lvalue to reduce issues with the view outliving the array

Bugfixes:

  • Now using glibc 2.17 in conda builds (was using the host)
  • Fixed shifted pixels in clusters close to the edge of a frame

2025.7.18

Features:

  • Cluster finder now works with 5x5, 7x7 and 9x9 clusters
  • Added ClusterVector::empty() member
  • Added apply_calibration function for Jungfrau data

Bugfixes:

  • Fixed reading RawFiles with ROI fully excluding some sub files.
  • Decoding of MH02 files placed the pixels in wrong position
  • Removed unused file: ClusterFile.cpp

2025.5.22

Features:

  • Added scurve fitting

Bugfixes:

  • Fixed crash when opening raw files with large number of data files

Download, Documentation & Support

Download

The Source Code: https://github.com/slsdetectorgroup/aare

Documentation

Documentation including installation details: https://github.com/slsdetectorgroup/aare

Support

erik.frojdh@psi.ch
alice.mazzoleni@psi.ch
dhanya.thattil@psi.ch