Compression schemes.
Compression schemes.
I've had some complaints about my large downloads due to my custom terrains on my world. It has been suggested that I use jpg files, but every time I format my textures as such I get errors saying that the file compression scheme is unsupported. Is there more than one compression scheme for jpg formats? Does terrain only support bmp or are gif, png, tif, or targa format supported as well?
We support bmp, jpg, dds and tga.
Jpg: In the paint prog I use, jpg has options for "standard" and "progressive" encoding. I use standard, and that works for me. The compression ratio ought to be up to you.
bmp: you should be able to use RGB (16m colours) and RLE (256 colours)
dds: I believe this is the most efficient format to use (for various reasons I don't understand, but basically it's the official directx texture format, so there we go). However you might find it tricky to get a program to save as dds without some fecking about. Nvidia offers a free dds exporter that works with painshop pro (I've used it) and photoshop (I believe).
tga: this does work. It confuses me - I dont understand the alpha stuff with tgas - but it can be used.
In general you should be fine with jpgs, unless you can sort out the dds stuff. Jpg will be more efficient for downloads. The only real drawback using it for texture files is that sometimes the compression creates artifacts in the seams between texmaps.
f
Jpg: In the paint prog I use, jpg has options for "standard" and "progressive" encoding. I use standard, and that works for me. The compression ratio ought to be up to you.
bmp: you should be able to use RGB (16m colours) and RLE (256 colours)
dds: I believe this is the most efficient format to use (for various reasons I don't understand, but basically it's the official directx texture format, so there we go). However you might find it tricky to get a program to save as dds without some fecking about. Nvidia offers a free dds exporter that works with painshop pro (I've used it) and photoshop (I believe).
tga: this does work. It confuses me - I dont understand the alpha stuff with tgas - but it can be used.
In general you should be fine with jpgs, unless you can sort out the dds stuff. Jpg will be more efficient for downloads. The only real drawback using it for texture files is that sometimes the compression creates artifacts in the seams between texmaps.
f
