Intuos

@R C-Ror @GarryP any idea what I have to do here?

PNG doesnt support any number of alphachannels like other formats. PNG says that the fourth channel in a file is only for transparency. If you open a png with transparency in photoshop it will be viewed as a single-layer image. its not a flat background. Alphachannels can encompase everything, while transparency has a specific channel relation. YOu can have multiple alphachannels but only use one channel for transparency. Photoshop treats transparancy and alpha channels seperately. The transparency in a existing PNG can be edited in photoshop by creataing a layermask from the transparency-data. Open the Palette Info click on Palette Options top right and choose Paneloptions for second colour value pick the mode "opacity" click ok the infopanel will show the level of opacity at the postion of the mouse if you want to edit the layer transparency directly, you can create a layer mask thats based on the layer transparency. Choose the layer choose layer>layermask>from transparency A miniature of the layermask will be displayed,which is connected with the layer. Masks are saved in alphachannels. In the channel window you should see a Layer-0-Mask. Hide the color channels and make the Layer-0-Mask visible by clicking on the eye to see the mask. Masks and chanels are greyscale images, thats why they can be edited with the normal tools. Black areas are protected, white areas can be edited. Hope it makes sense. I translated it from german.

I talked to the helpdesk of the CAD software and they sent a step by step guide to work around the issue. Sadly its tailored for photoshop and in german The gist of it is is that I should create a Layer Mask from the transparency. That Photoshop treats transparency and alpha channels seprate. Will be difficult trying to follow the steps which is focused on photoshop and how they relate to affinity.

He used photoshop. Im at a loss tbh and dont know what else I can do.

Its super weird though. I exported the file as PSD and gave it to a buddy who uses the same software. He exported it from PSD to PNG and then it worked fine in the CAD software. He can choose in export "color with alpha channel (32-bit)" so it seems to me that affinity photo doesnt export it like that?

Okay @GarryP youre right it does export it. Thanks for the tip. I dislike this CAD software so incredibly much.

Hi everyone, I want to export a png with transparent background so I can import it in my CAD software. I created a document 1000x1000 pixels. Used a tree-brush to create said image with a shadow. Next I click on export PNG and when I go and import it in my CAD software it just doesnt let me choose a Alpha channel. So I assume theres none exported. I tried all solutions that have been posted on the forum but I cant seem to get it right. I added the file and a screenshot of the import window. Thanks in advance for your help. Tree.afphoto