Jadeclaw Denfu Posted September 30, 2012 Share Posted September 30, 2012 Something is fishy here:Tried myself at house design, result was ugly...But aesthetics aside, the house is made out of 83 parts, rezzed out on my Junlong property gives a land impact of 115. Right click, -> Edit. 1 objects selected land impact 115. Click on Unlink, it says 83 objects selected, land impact 86. Click on link again, land impact is back on 115. On the Cass-Sim, land impact was 83 everything unlinked, linked 172. Since I terminated the lease there, I can't go back to recheck.Why is that so? Shouldn't prims count 1:1, no matter if linked together or not? Link to comment Share on other sites More sharing options...
Theresa Tennyson Posted September 30, 2012 Share Posted September 30, 2012 There's a new way of calculating of calculating land impact that is meant to better reflect the actual load a build puts on a server. Simple box prims usually have a land impact of less than 1, sculptys are usually around 2 and hollow objects can have a much higher land impact which can be reduced by changing their "physics type" so that the server doesn't calculate them as hollow when it simulates the physics on them. Mesh items have a similar, more complicated calculation. If a linkset includes at least one object that's mesh or one that's had its physics type changed to "none" or "convex hull" the entire linkset will be recalculated using the new formula. When its unlinked everything but the mesh items will be calculated with the old 1:1 system. Re link your house parts and then edit them and click on the "More info" link. I'm willing to bet that it will tell you the linkset has a "download weight" that's a fairly low number, a "server weight" of about 43-44 and a "physics weight" of 115. Now go to "features" and change the physics type for the linkset to "convex hull." When you re-select it you'll probably find that the land impact of the house is not only less than 115, it's less than the 86 you'd get counting the prims individually - you can often cut the land impact of a house to half of what it would be under the old 1:1 system this way but it can get complicated if you have a lot of scupties or hollow walls you need to be able to walk through. Link to comment Share on other sites More sharing options...
jwenting Posted September 30, 2012 Share Posted September 30, 2012 never seen that happen except with mesh parts, and made some rather complex sculpties. Maybe if you blow them up extremely large the land impact might go up, but I've made sculpties of 10x10x0m that had a land impact of 1. Link to comment Share on other sites More sharing options...
Jadeclaw Denfu Posted September 30, 2012 Author Share Posted September 30, 2012 Interesting... Physics: Prim I get: Objects: 1 Prims: 83 Download: 16.4 Physics: 115.3 Server: 43.5 Display: 7038 Selected: 115 Rezzed on Land: 420 including another house and stuff. Physics: Convex Hull I get: Objects: 1 Prims: 83 Download: 16.4 Physics: 17.9 Server: 43.5 Display: 7038 Selected: 44 Rezzed on Land: 349 including other stuff. And selected is shown as Land Impact. Calculating as hollow you say? I have created windows by stretching a cube into a wall, hollowing it out, making the frame by stretching a cube to a suitable size, hollowing it out as well, then putting a transparent stretched cube into that hole as glass panel. Another layer on the inside serves for the inner wallpaper. I rezzed one of these wall modules alone and Land Impact is 3 as convex hull instead of 6 as a prim collection. I learned something new today, thanks for the tip. And I learned something else: You can put a different texture on each side of a prim. So it's goodbye wallpaper layer. Guess, I have to learn a lot more... Link to comment Share on other sites More sharing options...
namssab1nad Piers Posted September 30, 2012 Share Posted September 30, 2012 If you have any scripts in any of the prims and try to change the physics type to convex hull, it can actually make your land impact go up. The same can be said with certain types of prims changed over to convex hull. This is especially true with the torous prim. From your description, this sounds most plausible. Way around this is to unlink the responsible prim. This may take a little bit of time to figure out, but can be worth it if you are tight on prim (land impact) allowance. Link to comment Share on other sites More sharing options...
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