ChinRey Posted January 28, 2020 Share Posted January 28, 2020 (edited) Starting with a lesson. It's one I've posted here many times before. One of the most important techniques for reducing land impact is balancing the weights by splitting up a large mesh into several smaller ones. With all other factors being equal, several smaller meshes will have lower download weight but higher server weight and since it's the largest of those weights that counts as the land impact, we want to get them as equal as possible. Here's a row of four poplars I'm working on right now: If I upload it as a single mesh, the download weight is 6 and the server weight 0.5, so the land impact becomes 6. If I split it with the trunks and the foliage as separate meshes, the download weight drops to about 3 and the server weight is increased to 1, which gives 3 LI. If I split the group into four separate meshes, I can get the download weight down to about 2 with the server weight increased to 2 - a perfect balance and the lowest land impact possible for this without butchering the LoD or simplifying the mesh. This is a very important trick for every serious SL mesh maker to know. --- But then there's the frustration: why is it so? Download weight is determined by the mesh file sizes with the significance of the various LoD models determined by the mesh' overall size. In this case the LoD/size factor is insignificant so it's all about file size. So, two files combined takes up half the kB of the same amount of data in a single file? That doesn't make any sense at all. Is there anybody familiar with the quirks of the SL software who can explain this? Edited January 28, 2020 by ChinRey Typos 3 Link to comment Share on other sites More sharing options...
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