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Jungfraujoch/docs/TOOLS.md
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v1.0.0.rc-161 (#71)
This is an UNSTABLE release. It includes many experimental features, as well as many AI generated fixes. We recommend using rc.152 for production use.

* **rugnux: significantly better quality of results, and faster.** A large rework of integration, scaling, merging, geometry refinement and space-group determination, together with measurements the program previously made no attempt at - the direct beam before indexing, the beam stop, the goniometer rotation scale, and the stretches of a sweep the crystal did not deliver. A rotation dataset typically gains observations at better <I/sigma> and R_meas, and every `mx` and `scale` run writes a `<prefix>_report.txt` results report modelled on XDS's `CORRECT.LP`. Many defaults moved with it: spot detection is self-calibrating, beam-stop detection and rotation geometry post-refinement are on, resolution limits default to as far as the detector reaches, and ice-ring handling engages only where the crystal is measured to have ice.
* **jfjoch_viewer:** the beam-stop shadow, the detector calibration and the beam-centre measurement are reachable from "Analyze dataset"; the settings panel reports how the sample moved and how polarized the beam was; image rendering and interaction are faster.
* **Performance:** bitshuffle+LZ4 images are decoded on the GPU rather than on the host, with the bitshuffle inverse fused into preprocessing so the decompressed frame is never held in device memory.
* **Broker, writer, packaging and build:** image-slot lifetime and locking fixes, per-image datasets sized by the images actually written, the Debian/Ubuntu broker package renamed to `jfjoch`, and `image_analysis` compiling under MSVC again.

**Breaking change to the rugnux command line:**
* `--azint-only` and `--scale` are **removed**, replaced by `--mode azint` and `--mode scale`; the full pipeline is `--mode mx` and remains the default. A script passing the old flags now fails with the list of valid modes rather than silently running the wrong one.
* `-t`/`--stride` is **refused on rotation data**: skipping frames cuts every reflection's rocking curve, so the combined fulls and their partiality would be measured over frames the sweep never recorded. Select a contiguous range with `-s`/`-e` instead. `--mode azint` and `--force-still` still take a stride.

**Breaking changes to OpenAPI** - regenerate the client (`jfjoch-client` 1.0.0-rc.161, `frontend/src/client`) or read the affected fields as optional:
* `image_scale_b` is removed from the `plot_type` enum, so a client requesting that plot now gets an error rather than a curve.
* `azim_int_settings.high_q_recipA`, `spot_finding_settings.high_resolution_limit` and `spot_finding_settings.low_resolution_limit` are no longer `required`. All three mean "no limit at that end" when unset and are omitted from the response instead of carrying a placeholder value, which raises in a client generated from an rc.160-or-earlier spec. A value of 0 is still accepted and means the same thing.

**Breaking changes to the stored formats** - a consumer reading these fields must treat them as optional:
* The per-image image-scale B factor is no longer computed, so `/entry/MX/imageScaleBFactor` is absent from newly written HDF5 files and the corresponding key is absent from the CBOR DataMessage and END blocks. Files written by rc.160 and earlier still contain it and still open; nothing in the pipeline reads it any more.
* `_reflns.jfjoch_diffrn_ISa` now carries the whole-range `1/sqrt(a*b)` that XDS's ISa denotes, and the error-model `a` and `b` are reported in XDS's convention; the strong-reflection asymptote moves to `_reflns.jfjoch_diffrn_ISa_asymptotic`. **A file written by an earlier version carries the asymptote under the plain `ISa` name.**

Reviewed-on: #71
Co-authored-by: Filip Leonarski <filip.leonarski@psi.ch>
2026-08-13 17:03:10 +02:00

2.8 KiB

Tools

Besides the main services (jfjoch_broker, jfjoch_writer, jfjoch_viewer), the repository ships a number of command-line tools. Each prints its own usage when run with -h or without arguments.

Data analysis

rugnux

Offline CLI tool that runs the full crystallographic analysis pipeline (spot finding, indexing, integration, scaling/merging) on a stored HDF5 dataset, producing a _process.h5 file and, when merging, reflection files. Merging is on by default (--no-merge disables it). --mode picks what a run does: mx (the above, the default), azint (only azimuthal integration, no spot finding/indexing), scale (re-scale/merge the already-integrated reflections in a _process.h5 without re-integrating) or calibration (detector geometry from a calibrant's powder rings, written as a .poni file). See rugnux.

jfjoch_extract_hkl

Extracts reflections (HKL list) from a Jungfraujoch master file; can sum the same HKL across neighbouring images and compare against an XDS INTEGRATE.HKL reference.

FPGA / PCIe card management

jfjoch_pcie_status

Prints detailed status information about the card. Safe to run during data collection:

./jfjoch_pcie_status /dev/jfjoch0

jfjoch_pcie_net_cfg

Reads and modifies the network configuration of the card's interfaces:

jfjoch_pcie_net_cfg <device name>
     Read configuration for all network interfaces of a device
jfjoch_pcie_net_cfg <device name> <if number>|fgen
     Read configuration for a particular network interface / internal frame generator
jfjoch_pcie_net_cfg <device name> <if number>|fgen ipv4 <IPv4 address>
     Set IPv4 address for a particular network interface / internal frame generator
jfjoch_pcie_net_cfg <device name> <if number>|fgen direct 0|1
     Set direct mode for a particular network interface / internal frame generator
jfjoch_pcie_net_cfg <device name> <if number>|fgen clear
     Clear Ethernet counters for a particular network interface / internal frame generator

jfjoch_pcie_clear_net_counters

Resets the card's Ethernet, UDP and ICMP packet counters (which otherwise run from power-on):

./jfjoch_pcie_clear_net_counters /dev/jfjoch0

Testing, benchmarking and simulation

jfjoch_udp_simulator

UDP packet simulator used to test the Jungfraujoch FPGA receiver.

jfjoch_fpga_test

Exercises and benchmarks the FPGA data path and receiver. With -H it runs the high-level synthesis C model on the CPU, so no FPGA device is required.

jfjoch_lite_perf_test

Performance test of the lite (CPU/GPU) analysis path — indexing, integration and optional file writing.

jfjoch_hdf5_test

Tests single-threaded HDF5 writer performance.

jfjoch_simplon_test

Minimal test client for a DECTRIS SIMPLON detector API.