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Separate night map?

T

toprob

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1,125
I was hoping to have separate day and night maps, to keep the file size down. The day map is LOD15, compressed to about a 640MB file, and I wanted to keep the night map small to fit on a CD, so I wanted that to be LOD13, heavily compressed. However since the day image is slightly under the LOD15 resolution, I am 'forcing' an extra LOD to use the full detail. Of course this forces the night map to LOD 15 as well, since it is controlled by the same Output params in the INF file.

When I create separate files, which share a water and blend mask, the water is messed up. Combining them fixes it, but adds 200MB to the file size.

Has anyone managed to do anything similar, mixing LODs?
 
Never tried to do that. If file size is the issue, have you considered using a SplitFileLOD directive? I tried it with a LOD13 (that is, sort of like FS9) and it seemed to work OK. LOD13 might generate a lot of files. Might be worth experimenting with a lower LOD setting.

I have a project where I did the main photo, blend, and nite @ 1m (LOD15) then include a second bgl for just the near airport view without nite @ 15 cm (LOD18) and that seems to work, but there's no water or blend in the second bgl.

scott s.
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Thanks for that. I may just drop a LOD. The problem is that the area I'm doing is 50% water:)
In the future I plan to do the airport at a higher resolution, and as it borders the harbour I'm not looking forward to getting the existing water mask and the new water mask working properly, based on what I've learned this week.
 
Robin- You've tried using the 'variation = day/night' tag and put them in two seperate bgls?
 
Timmo said:
Robin- You've tried using the 'variation = day/night' tag and put them in two seperate bgls?
Click to expand...

Yes, but that displayed the water incorrectly around the blend mask. I don't know if this happens all the time, but it was certainly the result I was getting every time -- separate files = broken blend. Same file = works fine.
 
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