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Zimmerbz

Blurries / Pop ups

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From the Prepar3D help file:

[MAIN]

FIBER_FRAME_TIME_FRACTION=0.33

Non-Default entry. This entry will not exist in your Prepar3D.cfg file by default and must be added to the file.

Performance Tuning Tip:

This setting, which defaults to a value of .33 (33%), defines the percentage of each frame that is devoted to loading scenery. Increasing this number can reduce "the blurries", but it can cause stutters, and can also reduce the overall frame rate. Try reducing the number to the lowest level where you still get smooth scenery paging. This will vary depending on disk speed as well as the type of flying, as well as the selected scenery options.

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I experienced also some blurry textures, I played with TEXTURE_BANDWIDTH_MULT (increasing to 150 or 200), also with the FIBER_FRAME_TIME_FRACTION, it helped a little but not completely (it introduces stutters), in the end I increased the LOD radius from 6.5 to 8.5, seems better on my side. I let the TEXTURE_BANDWIDTH_MULT back to 30 and no FFTF set.

I am using an i7-4790K with GTX 1080TI FTW3.


Valentin Rusu

AMD Ryzen 5900x OC, EVGA RTX 3080 Ti FTW3, DDR4 32GB @3200MHz, Samsung 840 PRO Raid for Win 10 Pro, Samsung 960 PR0 512GB NVMe SSD for P3D v4.5

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8 minutes ago, Vali said:

I experienced also some blurry textures, I played with TEXTURE_BANDWIDTH_MULT (increasing to 150 or 200), also with the FIBER_FRAME_TIME_FRACTION, it helped a little but not completely (it introduces stutters), in the end I increased the LOD radius from 6.5 to 8.5, seems better on my side. I let the TEXTURE_BANDWIDTH_MULT back to 30 and no FFTF set.

I am using an i7-4790K with GTX 1080TI FTW3.

Accoding to Lockheed Martin's Beau Hollis LOD has been still capped to 6.5 until today.

http://www.prepar3d.com/forum/viewtopic.php?f=6312&t=126408&p=165549#p165549

Kind regards, Michael


MSFS, Beta tester of Simdocks, SPAD.neXt, and FS-FlightControl

Intel i7-13700K / AsRock Z790 / Crucial 32 GB DDR 5 / ASUS RTX 4080OC 16GB / BeQuiet ATX 1000W / WD m.2 NVMe 2TB (System) / WD m.2 NVMe 4 TB (MSFS) / WD HDD 10 TB / XTOP+Saitek hardware panel /  LG 34UM95 3440 x 1440  / HP Reverb 1 (2160x2160 per eye) / Win 11

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2 minutes ago, pmb said:

Accoding to Lockheed Martin's Beau Hollis LOD has been still capped to 6.5 until today.

http://www.prepar3d.com/forum/viewtopic.php?f=6312&t=126408&p=165549#p165549

Kind regards, Michael

Good to know, thanks for the link. But still, I did not notice the blurry textures after I change it. Will check again these days.

I used EXTURE_SIZE_EXP=9 (usually is set to 10 but as I wanted faster loading for the tests...) and high resolution textures checked. But these were unchanged when I played with the LOD radius.

 


Valentin Rusu

AMD Ryzen 5900x OC, EVGA RTX 3080 Ti FTW3, DDR4 32GB @3200MHz, Samsung 840 PRO Raid for Win 10 Pro, Samsung 960 PR0 512GB NVMe SSD for P3D v4.5

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Honestly, I also thought to have got better results with higher LODs initially, but I suppose Beau Hollis should know about it...

I usually use TEXTURE_SIZE_EXP=10 as well, but the loading times are quite high indeed.  

Kind regards, Michael


MSFS, Beta tester of Simdocks, SPAD.neXt, and FS-FlightControl

Intel i7-13700K / AsRock Z790 / Crucial 32 GB DDR 5 / ASUS RTX 4080OC 16GB / BeQuiet ATX 1000W / WD m.2 NVMe 2TB (System) / WD m.2 NVMe 4 TB (MSFS) / WD HDD 10 TB / XTOP+Saitek hardware panel /  LG 34UM95 3440 x 1440  / HP Reverb 1 (2160x2160 per eye) / Win 11

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