FR-MRG-4 — A merged panorama's filled border shows artefacts at full resolution #79

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2026-09-27T23:43:40Z

dtourolle commented

2026-09-27 23:43:40 +00:00

A merged panorama's filled border shows artefacts at full resolution: a repeating diagonal pattern of cloud and rock along the top edge, and an orange/red smear at the bottom right.

Why

Found while re-recording the manual for 0.19.0. The panorama scene's composite (_MG_8320-pano.dng, 22990×5972, border filled by the experimental MI-GAN fill) used to open as its embedded preview, where the fill looked clean, as it does on the merge page. Since giant-images (0.19.0) a composite this size opens and develops at full size, so the fill is seen at full resolution for the first time. The artefacts are in the fill, not in D19.

Acceptance

the filled border of the demo panorama looks continuous at 1:1 in develop and in a full-size export
or, if the fill cannot hold up at full size, the composite says the border is synthesised and the fill is scaled or feathered so it doesn't read as repeated texture

**A merged panorama's filled border shows artefacts at full resolution: a repeating diagonal pattern of cloud and rock along the top edge, and an orange/red smear at the bottom right.** ## Why Found while re-recording the manual for 0.19.0. The panorama scene's composite (`_MG_8320-pano.dng`, 22990×5972, border filled by the experimental MI-GAN fill) used to open as its embedded preview, where the fill looked clean, as it does on the merge page. Since giant-images (0.19.0) a composite this size opens and develops at full size, so the fill is seen at full resolution for the first time. The artefacts are in the fill, not in D19. ## Acceptance - [ ] the filled border of the demo panorama looks continuous at 1:1 in develop and in a full-size export - [ ] or, if the fill cannot hold up at full size, the composite says the border is synthesised and the fill is scaled or feathered so it doesn't read as repeated texture

dtourolle added the pipeline size:M gpu labels 2026-09-27 23:43:40 +00:00

dtourolle referenced this issue

2026-09-28 23:59:06 +00:00

FR-MRG-6 — Catalogue a merged panorama at once, thumbnail it during the merge, and give it a wide grid cell #83

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Reference: dtourolle/DarkRoom#79