Jump to content
You must now use your email address to sign in [click for more info] ×

Recommended Posts

Sometimes I want to erase a white background so I use filter/color/erase white paper but sometimes the makes certain parts of the image transparent (white stuff grey stuff etc) how can I repair these sections? Thanks

Hope this question is clear enough .

Mac MacBook Pro 15 in.  OS X 10.9.5, Mid 2012 456.77 GB Affinity Design and Photo.

Link to comment
Share on other sites

1 you can duplicate the layer before doing the "erase white paper" filter

2 apply the "erase white paper" on the bottom image

3a add a mask to the top image, invert mask

4a paint white on the mask in the areas you want to bring back



3b use blend ranges of the top image, go to "source layer range" and adjust the right side downwards so that the bright parts are not opaque, you can also use this and masks in conjunction


here is how you use blend if/ blend ranges



or just use blend if of one single layer in first place so that white gets transparent, you can then adjust the graduation yourself instead of using the fixed erase white paper filter

I wonder what "erase white paper" does apart from a sort of blend ranges thing anyway?


hope that helps  :)



Link to comment
Share on other sites

Erase White Paper should really be called Erase "L" Value.... which is what it does (AFAI can tell).

If you want it to use it to actually "erase white paper", it should only be applied on purely black and white imagery.

Otherwise it'll give you levels of transparency :o .

Link to comment
Share on other sites

  • Staff

Hi uncle808us

The Erase White Filter is indeed intended to be used to literally "erase white paper" from scanned drawings. Although you can use it for other purposes (including colour images) it wasn't designed for that purpose.


If you create a selection of the subject you want unaffected by the filter, invert it and shrink as needed, you can use then it to remove the white from colour images too.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...

Important Information

Terms of Use | Privacy Policy | Guidelines | We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.