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Improved scan status - #249
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…a, and allow switching
The poll that should fetch a scan's last points once it finished never ran: it was conditional on the poll interval still being set, but the previous run of the effect had already cleared it. So the final image was whatever the last regular poll got, up to half a second before the scan ended. It now runs whenever a scan stops running. /binned answers 503 with Retry-After while the data file is behind the catalog. That was logged as a polling error; it is now treated as "not ready yet": during a scan the next poll simply tries again, and the final poll, which nothing follows, retries after the time the server asks for (up to 10 times). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BsMDFhupHcBFbVJPK8QAvR
A quiet line at the bottom right of the plots says where the plotted scan is: "Scanning…", then "Scan complete", which fades out after a few seconds. While the final poll waits on a 503 it says the last points are loading, and if they never arrive, or the scan failed, it says so in the warning or error colour and stays. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BsMDFhupHcBFbVJPK8QAvR
…dges Cells no point had landed in yet were drawn black, the same as a measured low value, so a scan in progress looked like dark data. They are now faint diagonal stripes, one in the colour of the page behind the plots and one a shade darker on a light page or lighter on a dark one, so they recede in either theme. Each cell is drawn as 4x4 pixels to carry the pattern. A run without diodes shows its diode plots as all stripes, the camera's shape. A flat image (a single point, or all values equal) was scaled to black, since its range is zero; it is now drawn at full brightness. The plots were drawn in pixel numbers, without axes. They now get /binned's bin edges as axes, so each cell sits between its own edges in scan coordinates. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BsMDFhupHcBFbVJPK8QAvR
…n or footprints A Plot Type choice under Data Source picks the drawing, with a tooltip on what each shows. Setpoint grid is /binned's grid as before; the others come from Tiled's /render, drawn over the scan's extent at 200 px on its longer side: a step-sized rectangle at each recorded position (Readbacks), a beam-sized Gaussian on each point, or each point's beam footprint with overlaps split between neighbours. Both data sources work in every drawing. Where /render drew nothing, or covered a pixel only partly, it fades into the empty-cell stripes, so gaps the beam left stay visible. Gaussian and footprints use the beam size the run records. No run records one yet, so /render falls back to one scan step, and a note under the plots says so, with the size used. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BsMDFhupHcBFbVJPK8QAvR
The drawing is now two choices of one line each. Positions: Setpoints (the scan's grid, each cell the mean of the points read back in it) or Readbacks (each point where the motors read back). Plot Type: Rectangles, Gaussian or Footprints. Gaussian and footprints only make sense at the readback positions, so on the setpoint grid they are greyed out and the grid's cells show as rectangles; the shape picked for readbacks is kept meanwhile. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BsMDFhupHcBFbVJPK8QAvR
The empty cells' 2-pixel stripes were hard to tell from dark data in the dark theme. They are now the page's background crossed by thin diagonal lines, lighter than a dark background and darker than a light one. For lines that thin, the setpoint grid is drawn at least 240 pixels on its longer side (and at least 4 per cell), with the axes split to match. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BsMDFhupHcBFbVJPK8QAvR
ViSR: plot types, final poll and scan status on top of the Enz Locum UI
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in progress/untested
to be reviewed/merged after PR #235
aims
Closes issue #245