John Rostron
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Everything posted by John Rostron
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Why would you want such a facility? I'm sure that it would be useful in some very special circumstances, but woud it be useful to the majority of Affinity users? I ask this because the developers would need to prioritize their efforts. John
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You could do this in Photo using the Filter > Distort > Equations. However, you would then have rasterized text. I could expand further if you wished to pursue this route. John -
What I see is a star field. I am not sufficiently familiar with astrophotography to be able to recognize noise in such an image. Have you tried searching in the Questions forum for astrophotography noise? John
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This would suggest that the best way to re-crop is to: Select crop Expand the crop area beyond what you would guess you need (since it is invisible) Press Apply Select crop again and select your final crop. As @MEB says, it is not very intuitive. John
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I think that the OP, @Charles p would find this thread more interesting if the replies focus on the original question. As @firstdefence said, it would help if you could post an image. John
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Do not confuse the export with the saving. When you exported your file it would have given you the window for you to select the name and location for the exported file. Have you looked there? After the export, your file is still an Affinity file, and if you save it it will save as an .afphoto file. You can ignore this step and just close the file, clicking on No when asked if you want to save. John
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What is the feature you are requesting in this post? Perhaps it should be moved to Questions.
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It makes sense to me that if you paste layers on top of each other, the topmost one is the last added and the original is at the bottom. John
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Do you mean that you can't see a way to do this? John
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Yes, it should be at the top of the screen, but the starting screenshot needs to be at the bottom of the layers stack, which it will be if you started off with this and pasted the others on top of it. John
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If it works for you then go for it! I don't think that there is a right or wrong way. John
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Frequency?
John Rostron replied to phil146's topic in Pre-V2 Archive of Affinity on Desktop Questions (macOS and Windows)
Strictly, frequency refers to only a part of an image. If you look at the girl's hair above, this is a high-frequency part of the image. The pixel values change rapidly with position. If you look at her cheek, the pixel values do not change much with position. This is a low-frequency part of the image. People use 'a high-frequency image' to refer to an image in which high frequency areas dominate. In a low frequency image, the low frequency areas dominate. John -
When you say "using JPEGS" do you mean that you converted the .exr files to .jpg, or were you stitching the original .jpegs before HDR. The alternative approach to this problem is to stich five images at each EV into a panorama and save. Then you load the five panoramas into a HDR stack. John
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Interesting that Vuescan will not work for you. It works fine for me and my Nikon LS50 film scanner. What scanner are you using? It could be that you should try scanning in Vuescan, then polishing the scanned image in AP. Vuescan itself does offer a fair amount of image processing which would be worth investigating. It would help if you could post some sample scanned images so we can see where the problem lies. John
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As @Alfredsaid, the Affinity notification just checks for updates and offers to download. If you are up-to-date, then it may be some time before your next offer! John
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I am quite happy with the Equations Filters. You could give @carl123's equations a pseudo-random appearance by adding another sine curve with a longer wavelength that is not a simple multiple of the existing one. What I could not do is add a noisy displacement. I tried looking for one, but was only offered electronic equiplmemt. Is it some form of displacement mapping? John
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I bought my Affinity programs from the Affinity store. When I start either of these it automatically checks for updates. I believe this may be different if you have bought from the Mac store or the Microsoft store. John
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You learn something every day! John
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I have just tried to follow this with an image that had been cropped. I cannot see anything labelled Xfm, but I do have a Transform panel. As you also find, I could not enter anything in that field. However if I rasterize the image, then I can. I do find that when I click in the centre box of the bunch of nine, the top left one still remains highlighted, even though the centre of rotation now works as expected. John
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I have just tried this with Nik Viveza, Nik Dfine, Topaz Adjust and a couple of other plugins. All showed the same behaviour: Crop then Filter shows the full image. Crop, Rasterize then Filter shows the cropped image. Rasterizing first also seems to prevent the Nik plugins showing peculiar colours. John
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Clearer indication of current tab
John Rostron replied to affinity_admirer's topic in Older Feedback & Suggestion Posts
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I'm sure that Nik is not the only plug-in where this is true. My normal wokflow is to start by duplicating my base layer, then apply any cropping, then rasterise . All before calling a plug-in. John
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According to the DxO website, a new version of the Nik suite is due for release in 2018. John
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I would have thought that you just lay the phone down on the white tabletop and take a photograph of it. Or am I missing something? John
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I don't think that is this is entrely Affinity's fault. It seemst to be a problem with the interface between Nik and Affinity. At present Nik software is in a limbo, having been bought by DxO, but we have had no information about their intentions. This is because the crop tool in Affinity is non-destructive. The cropped parts are still there. You could try rasterizing the layer first. This often works. It sometimes even prevents the colour change in Viveza. John
