I have Alpha channel checked off and save as a .png. Not sure what else I can do.
There is no reason I can think of why this wouldn't be working unless it's a bug of some kind.. Have you tried closing the file and reopening it? Try it on another file and see if it works.
Closed the file, rebooted the cpu. Tried different files with the same result.
I can take it to photoshop and drop the background. Just another step I would like to not have to do.
Is this happening with all your views or just some? I have noticed since testing this that it seems to be hit or miss on one file I found too. All of my other files work fine and I have never noticed this issue before. I have yet to pin point why its choosing certain views to not work . I am leaving all my settings the same on every export and sometimes it's OK and others not. I am going to try and keep researching some today. I am thinking it may be a render mode issue. You might want to try and switch up your render mode if you currently use the same settings on all the files you tested.
I did tests on all render modes and all of them exported fine with your exact settings and no background. Remove ground did not seem to effect this outcome either. I would recommend you call your VAR and see if they can help you out with this. There may be some settign I am unaware of in your default properties making this not work properly. Sorry i couldn't be of more help.
I had the same problem and tried some different things to see how I could fix it. When importing the PNG's with alpha channel in Adobe After Effects I get a clean result, so I can drop in other backgrounds or do some coloring stuff. And I also found a way to get it work in Photoshop: Create a new document with the final output size you need and set the background to "transparent". Now you can place your composer PNG image and there won't be any background.
I just tested this today with Windows 10 and Composer 2016 and it worked without any issue, so you can just open Photoshop, go to "file - open" and navigate to the image, open it and there you go.
Hope that helps.
Try turning on "remove ground" in that same dialog.
Yeap this is the correct way.
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