Got it by myself. Images in scenery folder "MUST BE SMALLER THAN 300kb and should be squared only".
Hello:
IIUC, you are referring to the general rule in 3D simulation / game development that compels mapped texture material images to have "Powers of 2" pixel dimensions.
Make Better Textures For Games, 'Power of two' & Proper Image Dimensions
www.katsbits.com
I have not seen any documentation which compels a limit of 300 kb per texture material image for MSFS glTF 3D models.
Certainly for web distribution, smaller glTF 3D models may mean a more efficient download from MS' Azure servers ...and end user MSFS 2020 run time performance.
But, since MSFS add-ons are likely to be distributed via 'normal' (
read:
...SLOWWWWW !
) MS store or other online web servers as discrete packages, glTF is IMHO only a consideration for those who are concerned about the total scenery object 'budget' for the MSFS rendering engine within a particular local project area.
If detail is a goal for a project with few 3D models, one may wish to use mapped texture material images that are
NOT lossy-compressed, with
NO *.PNG color compression
en.wikipedia.org
However, assuming one has the option to
NOT lossy-compress
*.PNG materials to an objectionable extent, up to
12x compression of geometry can be achieved via glTF:
The Khronos™ Group, an open consortium of leading hardware and…
www.khronos.org
Do you by any chance have a link to any documentation which states that MSFS glTF format 3D models require a limit of 300 kb per mapped texture material image ?
BTW: If you do have a personal MSFS development goal of achieving smaller
*.PNG files for use with MSFS glTF format 3D models, you might find this interesting:
That's not surprising. PNG 8 is definitely as high a quality, but your image size will be small . I think gener7 made a great suggestion about removing the metadata.
community.adobe.com
GaryGB
