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FSX Are excludes efficient?

Timmo

Timmo

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newzealand
Are excludes efficient?

For example, if you had a part of a bgl that you wanted to be hidden (i.e. a certain type of landclass or water body) is it OK to simply include that type in the BGL and then use an exclude to remove it? Or is that horribly inefficient?

The other option is to provide separate versions of the scenery with certain types not included....but that has an impact on distribution/file sizes.

Any ideas? Are the excludes run before the BGL is loaded or after the BGL is loaded?
 
Excludes have a habit of doing what they are asked to do, most of the time. Remember that excludes don't work horizontally, they only impact what's been previously read into the sim. So if you are going to put something in and then take it out, the exclude must be in a higher level folder.

I think the underlying question would be why ask the sim to read, process and then exclude it away. Depending upon what that all entails, it could be inefficient. I try not to ask too much of the sim with what I do, because I realize there's a whole lot more that could be added to it besides what I produce.
 
If you mean terrain exclusions, I believe Doug Mathews from MS has said something to the effect that the order of shapes in a bgl file is indeterminate and if you need to control order they must be in different files. For scenery exclusions I'm not sure.

scott s.
.
 
LCSims said:
Excludes have a habit of doing what they are asked to do, most of the time. Remember that excludes don't work horizontally, they only impact what's been previously read into the sim. So if you are going to put something in and then take it out, the exclude must be in a higher level folder.

I think the underlying question would be why ask the sim to read, process and then exclude it away. Depending upon what that all entails, it could be inefficient. I try not to ask too much of the sim with what I do, because I realize there's a whole lot more that could be added to it besides what I produce.
Click to expand...

haha yes indeed...excludes certainly are finicky!

The reason why Im asking is because I have a couple of options of how to implement a feature- One is to simply compile the scenery without the items I don't want to show, the other is to compile it all and then exclude what I don't want.

The idea is to reduce the impact of high quality day on users machines that can't handle streaming it in....but if the data is actually loaded and THEN excluded then there is no point using excludes to try and boost performance.

The flip side is a larger (file size) scenery addon and/or more files to load.
 
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