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Java error on normalization step on mosaic with both RGB and B&W images on 1.075 under OSX
When I want to make a mosaic with RGB images and monochrome images, there is an error message during NORMALIZATION process.
I use multichannel option and select RGB images, then Ha images (all images are preprocessed from 30 to 100 images).
I assembled first calibrated RGB instead of each R, G, B because of color difference in final mosaic.
When I only make mosaic with Ha, or only RGB, it works fine. When I want to process all, there is error
Please download the 4 images (2 Ha 2 RGB) here
This was working fine on previous version of APP as I already aligned 16 fields of this object, each RGB + S + H + O )
I am under MacBook Pro with Catalina OSX
Ok, finally having some time to analyse. I always suggest to prepare a mosaic by first creating the seperate panels and normalizing + post processing them as far as possible in the linear stage. Then reload them to make a final mosaic. In this case, I made the Ha and RGB separately (absolutely amazing quality btw) and tried to combine those, but also ran into a Java error. I'll inform Mabula about it.
So I've had too many Christmas drinks I think. Normalizing H-alpha and RGB is not possible at the moment, it's because it then has to normalize 1 channel (Ha) against 3 (RGB) and how to do that needs to be tested well and might be in a future version. Also, the error is something APP should take care of more clearly and Mabula is going to look at that. In the mean time it should be possible if you seperate the RGB into 3 seperate channels. Also, just registering, skipping normalization and going straight for RGB combine will also work.
FYI this mosaic (in fact 16 fields each SII, Ha, OIII, R, G, B) has worked in previous version of APP : S, H, O + RGB with normalization too.
For sure, I could use 6 monochrome chanels (SHORGB) but RGB balance is more difficult. Or maybe I process each RGB in color to get neutral background, then I split chanels in R, G and B images, like you suggerred 😉
Ok, so because I knew I would probably run into an error again, I tried a different approach (the right one, I was mistaken in my original reply). It may be that in your case normalization is going wrong (as mentioned above) as you can't normalize a 3-channel image with a 1-channel image, in that case you do need to split the channels. I loaded in all channels in multi-channel mode and set APP to create a mosaic and integrate per channel. In RGB combine I then added all data to their proper channel.
Here are the settings I used in screenshot;