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Updating project from 1080p to 4k

Towanime

Hi there,

We are currently trying to figure out how to go from 1080p to 4k resolution in our characters, This link makes it sound as simple as replacing the current images with the new bigger ones with more quality and choosing to "Stretch" in when the editor detects the changes (Image below).

Are there other things or possible issues to considerate when making these type of changes? Thanks in advance.

Misaki

Hi,

It is a good question. Using the Stretch option is an easy way to replace the images to resized images, but I think there are these concerns:

The Stretch option is only working for meshes, so if your project has region attachments, they will be the original images' size. Thus, you need to make sure that there is no region attachment left in your skeleton before replacing the image files.
After replacing the images, you can’t use the Reset button in the mesh’s properties because it will turn the mesh to the original size. It might make your meshes difficult to edit.

Therefore, I recommend you make a backup before replacing the images.

Towanime

Thank you, but will this be enough to make them "4k assets"?

It makes me think as if the new bigger images are being downscaled to fit the size of the old 1080p meshes so not sure if this is enough to see the new details or if I would need to create a new skeleton and animations with the new 4k images.

The new atlases have the bigger 4k pieces for sure but if they are downscaled to fit the meshes that were originally created with 1080p images then it defeats the purpose if I update bigger images with the stretch option?

I'm really confused about this one so please let me know what you think!

Misaki

Ah, I understand what you are concerned about. Don’t worry, replacing images using Stretch can be made to support high resolution. As you said, it doesn’t change the skeleton’s size in Spine Editor, so you have to change the skeleton’s scale setting in Editor or at runtime. Skeletons’ size is indefinite when just exported because the skeleton may be zoomed in and out by cameras in your application, but either way, high resolution Atlas Textures allow you to display high resolution Spine characters.