Le 15-03-28 15:05, Sven Littkowski a écrit :
> Hi,
>
> currently, I am using large images for my spaceship project as hull
> textures (please see the attached image). But that takes plenty memory
> and increases a lot the rendering time.
>
> If you look to the attached hull texture, is there any way to create
> something like this with a function or formula? Please assists. Thanks.
>

You may be able to get away by scalling it down by half, maybe more.
Could reduce the file's size by as much as 75%. WILL reduce the memory 
use by 75%.
Reduce the colour depth : Save as a 256 colours image (8 bit / pixel) 
instead of true colour (24 bit / pixel). The image use only 72 distinct 
shades of gray. This may reduce the file's size by about a third. WILL 
reduce the memory use by 2/3.

Use the highest compression available so that the file is as small as 
possible. Loading the file take much more time than uncompressing it.

Attached at 10% of the original size and 256 colours.


Alain

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Attachments:
Download 'seneca ii - hull plating - reduced.png' (30 KB)

Preview of image 'seneca ii - hull plating - reduced.png'