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Hi, I think there's a problem with the FITS file. It seems to be monochrome, but there is a Bayer matrix pattern clearly visible. It needs to be debayered, but that's not so easy as it is opened and treated as monochrome. I tried to convert it with FITSWork "CCD to RGB" and to split into 3 b/w image...

hist.csv is sort of irrelevant for now. Please have a look at stretch.csv and then we can go forward.

Dietmar.

I'm pretty sure that despite thinking I downloaded version 2, I am still ending up with version 1 I'm sure I'm messing up the explanations, sorry. :oops: So step by step, we will get that right. File size should be 6.656 bytes, date 2024-03-30 20:41 After running there should be two CSV files: - hi...

Hi Mike Mike in Rancho ! Back again ;-) Yes, the DLL is used to read the TIFF files. https://bitmiracle.com/libtiff/ There are a lot of examples how to use. It’s a .NET port of the famous libtiff library. TIFF sounds simple, but in fact it’s a complex format with lots of incarnations. It is possible...

And my ST while I was at it. :D :thumbsup: I just checked my ST licence and it already expired one month ago. :shock: But latest beta works without hint and saving is possible as well ... :think: @Ivo - maybe your licence check does not work any more? Just renewed as well - it's really only a symbo...

Mike in Rancho wrote: ↑Fri Mar 29, 2024 4:06 pm If you want to DM a link I suppose I could review the project. Maybe? I have VS 2022, not sure if that's what it is in.

I've uploaded the whole VS solution into the shared folder, too.

As I wrote, when applying a global stretch, each brightness mapping should be unique. But it isn't. But, problem with the app, or problem with our understanding what is going on? Or both Maybe a bit of both. ;) But it isn't too worse. Thinking a bit deeper, it is quite clear, that saving as 16-bit ...

Hi Mike Mike in Rancho please use with caution - I found a problem. As I wrote, when applying a global stretch, each brightness mapping should be unique. But it isn't. I just implemented a check. I should have done earlier. :( :oops: The differences are quite large, for example: 13412 - 12870 13412 ...

Mike Mike in Rancho https://c.web.de/@334960167135216273/rXqD2muuQZeuz62YiKT7Sw Please create a local folder and copy the files into it. Open up a console window and navigate to this folder. You can run the tool by typing 'StretchTransformCurveAnalyzer'. No params yet. It expects 'pre.tiff' and 'pos...

Mike, I think now we are on the right track. If you are interested and we both think the app can be useful to try out things and to get a better understanding, I will be glad to share it. But first I have to bring it into a no-nerd usable state. :oops: I still need to get out a yellow pad to try to ...