Every dense map that needs geometry now evaluates each image pixel at its
place on the detector plane (DetectorModules), so it is right for a stacked
panel layout and picks up refined module placements:
- AzimuthalIntegrationMapping: bins, resolution, solid-angle/polarisation
corrections built per pixel through the table; a pixel on no panel is left
as a masked one. The geometry cache key now includes the panel table, so a
mapping built after the stills module placement is rebuilt rather than
served from the cache. ResolutionMaskBits follows (it is a lookup).
- ROIMap / ExportROIMap: azimuthal ROIs on the plane (box and circle ROIs
stay in image pixels).
- ROIIntegration CPU+GPU: the weighted sums are taken per ROI and panel in
image pixels and placed on the plane at the end (exact; the affine commutes
with a weighted mean).
- HotPixelFinder: ring/sector keys and the zeta of the persistence rule on
the plane.
- Background beam-centre walk CPU+GPU: pixels binned at their plane position;
host and device share BackgroundPlanePoint so they stay bit-identical.
New common/PanelRows.h: ForEachPixelInRows, ForEachPixel cut to a band of
rows in index order, for the row-parallel builders.
An empty table takes the old arithmetic in the old order: rotation sets and
every single-panel input are unchanged. [PanelLayout] AzintMapping and
ResolutionMask enabled (+ azimuthal ROI map and ROI centroid on the plane);
new BeamCenterFromBackground_BinsOnThePlane and
ROIIntegrationGPU_MatchesCPU_Panels.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015CeEGgpKdfkCTJb3YNMJcu
A synthetic 2 x 2 panel detector, its panels turned 0/180/90/-90 degrees, recorded twice: assembled
with the gaps masked, and stacked one panel under the other with the DetectorModules that place them -
the same value in every physical pixel. What is already layout-correct runs as [PanelLayout]: the
panel table itself, spot centroids on the plane through SpotAnalyze, and predictions going plane ->
panel -> Bragg engine -> plane.
The equivalences the next stages have to deliver are hidden cases tagged [PanelLayoutTodo], failing
today: the azimuthal-integration map and the resolution mask per stored pixel (stage 1), Bragg
integration measuring the same intensity (stage 2), and spot finding that never joins two stacked
panels (stage 3). A stage that makes its case pass retags it [PanelLayout].
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015CeEGgpKdfkCTJb3YNMJcu