Pietrach Posted September 10, 2019 Share Posted September 10, 2019 Hi i have a series of nearly 40 images taken from a tripod each at 1/15sec. I wanted to stack them, align, and use Median stack to mimic a long exposure. This works flawlessly in photoshop, but I get all sorts of problems in AP. I do file, stack, select auto align, and on you go. The effect, with Median selected is very poor. Not only there is no or very little movement (long exposure) visible in the clouds, but also the images are more miss-aligned than they were comparing to manual stacking in layers. This is the resulting image from auto stack in AP (APauto-fail.jpg). This is an image where I manually blended all 39 images placed on individual layers, without any alignment for images - as AP does not allow to auto align layers without using a stack as far as I know. Am I doing something wrong? All images are exactly the same size. Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted September 10, 2019 Staff Share Posted September 10, 2019 Hi Pietrach, Welcome to Affinity Forums Do you mind providing the images you are using for us to check this out? I will provide an upload link if you don't mind to upload them all (or you may share a folder from a cloud service if you prefer). Thank you. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Pietrach Posted September 10, 2019 Author Share Posted September 10, 2019 Happy to use your link. Please provide. Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted September 10, 2019 Staff Share Posted September 10, 2019 Here's the upload link. Thank you for your support. Pietrach 1 Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Pietrach Posted September 10, 2019 Author Share Posted September 10, 2019 19 minutes ago, MEB said: Here's the upload link. Thank you for your support. Files uploaded MEB 1 Quote Link to comment Share on other sites More sharing options...
John Rostron Posted September 10, 2019 Share Posted September 10, 2019 My guess is that there are too many soft edges (clouds, waves) and not enough hard edges (rocks, mountains) for the auto alignment to work properly. (Or at least in Affinity Photo.) There seems to be a related problem in auto aligning astronomical images. John Pietrach 1 Quote Windows 10, Affinity Photo 1.10.5 Designer 1.10.5 and Publisher 1.10.5 (mainly Photo), now ex-Adobe CC CPU: AMD A6-3670. RAM: 16 GB DDR3 @ 666MHz, Graphics: 2047MB NVIDIA GeForce GT 630 Link to comment Share on other sites More sharing options...
Pietrach Posted September 10, 2019 Author Share Posted September 10, 2019 2 hours ago, John Rostron said: My guess is that there are too many soft edges (clouds, waves) and not enough hard edges (rocks, mountains) for the auto alignment to work properly. (Or at least in Affinity Photo.) There seems to be a related problem in auto aligning astronomical images. John If this is the case, then it is extremely disapointing, as this image is not, by any stretch of imagination, lacking features which the software could use for alignment. Especially that the individual images were pretty much aligned any way. Auto Alignment is a must for me. Enough to be a deal-breaker. John Rostron 1 Quote Link to comment Share on other sites More sharing options...
firstdefence Posted September 10, 2019 Share Posted September 10, 2019 Why did you go for a stack? I wonder if you wouldn't have gotten a more evocative powerful image with an actual long exposure. Pietrach 1 Quote iMac 27" 2019 Somona 14.3.1, iMac 27" Affinity Designer, Photo & Publisher V1 & V2, Adobe, Inkscape, Vectorstyler, Blender, C4D, Sketchup + more... XP-Pen Artist-22E, - iPad Pro 12.9 (Please refrain from licking the screen while using this forum) Affinity Help - Affinity Desktop Tutorials - Feedback - FAQ - most asked questions Link to comment Share on other sites More sharing options...
Pietrach Posted September 10, 2019 Author Share Posted September 10, 2019 29 minutes ago, firstdefence said: Why did you go for a stack? I wonder if you wouldn't have gotten a more evocative powerful image with an actual long exposure. I would I agree, but at that time I did not have an ND filter with me. Sometimes I also use this technique if it is very windy and risk of camera movement to high, despite the tripod. Quote Link to comment Share on other sites More sharing options...
Pietrach Posted September 11, 2019 Author Share Posted September 11, 2019 @MEB did you manage to look at these alignment issues? Thank you Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted September 11, 2019 Staff Share Posted September 11, 2019 H Pietrach, Yes, I've started checking this yesterday but I'm still working on it/would like to take a deeper look at this. I will get back to you soon. Pietrach 1 Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Pietrach Posted September 16, 2019 Author Share Posted September 16, 2019 @MEB any update on this one? I am still struggling with this issue. Quote Link to comment Share on other sites More sharing options...
Pietrach Posted September 18, 2019 Author Share Posted September 18, 2019 On 9/11/2019 at 2:04 PM, MEB said: H Pietrach, Yes, I've started checking this yesterday but I'm still working on it/would like to take a deeper look at this. I will get back to you soon. @MEB can I please ask for some feedback on this issue? Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted September 18, 2019 Staff Share Posted September 18, 2019 Hi Pietrach, I'm sorry for the delay getting back to you. You haven't did anything wrong. Affinity's auto-alignment options unfortunately don't get a better result with this set of images. I've logged this and passed the files to the dev team for inspection/feedback. I will update this thread as soon as I have more info. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
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