NotMyFault

If you try to use the Matt filter (destructive), you get immediately a crash if you change the matte color to „no color“. additionally platform discrepancy: The filter does not allow to adjust alpha / transparency.

The second issue is even worse: the wrong preview matches the export. The export is 101 px wide instead of the document width 100. There is absolutely no reason to add a pixel when "Selection only" is active in Export and a filter layer is active.

Hi, 2 issues with Export Preview: In case the file is smaller than the preview, it will get zoomed automatically. Issue 1: A thin line (1px or more) is added at the left side, which is neither part of the image nor the export. Issue 2: If you select the PT filter layer (instead of the merged pixel layer), the right edge will be shown as white (which is wrong) instead of the coloured 1px pattern. Photo 2.4.2 on Mac Mac Export Preview broken.afphoto

You can use guides and edit them while in Develop Persona. To use rulers or helper layers: Apply Develop (as linked / embedded layer), then activate rulers in Photo Persona or add helper objects. Then activate again Develop persona.

So there the basic steps: Use Develop Persona / Lens Correction to get rectangular shape from Photo (use crop as helper line) create a gap / frame. This is important as tiles will have a gap, and otherwise the lines at the edges will not match. I added a rectangle with noisy grey color. To correct the lightness: added two info panel samplers in HSL mode, showing 63% to 74% lightness. Added a curve, sampled the darker spot, put the node up until it matches 75%. Added a rectangle with a gradient on alpha channel from left (100% alpha) to right (0% alpha). This euqlizes the lightness, confirmed by matching L in info panel. Such delikate workflows are only possible if working with unedited RAW files. There is more fine-tuning required, I caused a light seam due to wrong pixel alignment, and removed some outflown reflections. You could try to match the "marble" pattern Some cameras allow to overlay a grid to the viewfinder / display during image capture. This really helps to avoid perspective distortion. The image was quite underexposed, this creates a bit noise in darker areas (after brightening them up).

I think this is quite usable

use the lens correction only to correct the perspective distortion you made during capture. This works far better then perspective filter as you have 0.1 % control via sliders and modifier keys.

We would really need the unedited RAW file. The tile is zoomed in too much. It is possible. Lightness can be equalised, all distortions can be compensated (in RAW, if the lens is known). To get a reference: make an image of a checkered board (of few large areas), so we can see how lines get distorted. Normally tiles have a seam, this helps to hide some imperfections. To avoid the lightness issue, you can flip the tiles accordingly depending on position (e.g. left center / right center: flip vertically)

I may have misunderstood the request. if your target is to get the waves match perfectly: use designer to create a symbol from tile Create 8 copies. Increase canvas by factor 3 in x and y direction. show column guides distrube tiles in 3x3 grid rotate the middle tile (inside the symbol, not the symbol) until the waves perfectly match

My usual workflow: create a helper rectangle on top indicating the target add a perspective alignment below adjust the nodes so they match the rectangle if you observe other lens distortions like barrel, correct them first. Alternatively, the Develop Persona is you friend, it allows fine control over rotation, distortion, etc

https://affinity.help/photo2/English.lproj/pages/Workspace/customizingWorkspace.html use the Window menu, and click on the „Macro“ entry.

The problem seems to be caused by overlapping nodes (before expand stroke). E.g. the letter S. Use the node tool and drag the nodes out of positions, some are duplicate and covering each other. If you create the letters from scratch without duplicates, expand stroke works correctly.

It seems V1 handles this better than V2.

Affinity cannot read out those profiles. There are LUTs available for download, created by forum users, which simulate those profiles. But there is nothing out of the box from Affinity.

The alt/option key lets you subtract from selection.

I‘m using Photo V1 and V2 since 2 years on Mac and never observed such behavior except i caused it by accident (modifier key or mode toggle)

There are multiple possible causes: keyboard shortcuts like modifier keys can toggle this clicking on the selection mode switches (add, subtract etc) Inverting selection by menu or keyboard other apps may steal focus temporarily, disrupting the selection process. Come on. The recording is to document what user input triggers the observed issue, not to blame the user. If you find an issue, and you are the only person on earth who observe this specific issue, it is in your interest do provide all relevant details allowing others, specifically moderators and developers to reproduce the issue. Just run the screen recording always. If bug does not occur, just delete the recording to save space. If bug occours again Immediately save file with history save screen recording Upload both (you may request a private Dropbox upload link from moderators)

I think nothing has changed in handling of alpha (with zero) recently. The workarounds for channel packing are still required:

It totally depends on the actual image. Bunch of possible methods: Use luminosity range mask (or blend range) Use selection by color Use selection brushes pre-process copy of image with tone map persona, sharpening HSL, or other filters to enhance contrast use channels panel to find color channel with best contrast For nightskies always take multiple exposures with tripod. The background will stay mostly unchanged, the sky will change between images. Can be used with stacks to create masks Try converting to LAB/16 (for masking only) If you can upload the file we can check what works best. We need best possible quality, RAW or TIFF/16

You are probably right, I did rely on a screenshot from another post and did not test on my own.

File a bug report.

The export preview gives wrong results. it shows only roughly 1/2 of the actual resolution and creates ugly resampling artifacts. test file shows a checkered board of either 2px or 1px pixel size. Affects all platforms. RPReplay_Final1713510201.mov export preview bug.afphoto

Export preview rendering (zoomed ca. 800% Exported image shown in preview

The issue is not related to any layer fx or overlays. Even if you export a jpeg, open that file, and start export preview again the same issue occours, in Designer and in Photo.

It took some time to understand what the issue is, as the description in the posts left room for interpretation and the jpg after upload does not really show the issue. the export preview is shown in 1/2 resolution of the actual file, leading to artifacts the rendering inside Designer and exported files are ok. for me a bug. Image shows a screen capture of export preview (at 800%) put back into the source document, masked by a rectangle.