Faster HDR tweak

[Selcuk73 0]

Especially for TrackIR users, I figured out how to change the transaction time between the dark and light areas. 

That is, the getting used of the eyes of light difference between the cockpit and the look outside of it. 

 

Backup in Prepar3d root file directory the ShaderHLSL folder where you can replace it later if something goes wrong. 

 

Find in ShaderHLSL the Postprocces folder, doubleclick on HDR.hlsl file.
At the top there are these original lines: 

 

static const float BloomThreshold = 03.25f; 

static const float Bloom Magnitude = 03.75f; 

static const float Bloom Blur Sigma = 0.9f; 

static const float Delta Time = 0.2F; 

 

Change Time Delta Time= between 2.0F; or 3.0f; and 4.0f; to your liking. 

 

Close folder with save.

Delete the contents of your Shaders folder in Prepar3d  in root directory . 

 

The contens in that folder when you start prepar3d it will automaticly rebuild,it is harmless to delete that 

The shaders folder is localized in your computer in the following adress:

 

C:\Users\Yourname\AppData\Local\Lockheed Martin\Prepar3D v2\Shaders

 

Have fun !!

[whoispankaj 51]

I am sorry ..but what exactly does it do..

[dgraham1284 92]

I am sorry ..but what exactly does it do..

 

 

 

 

change the transaction time between the dark and light areas. 

 

I believe that....

[ryanbatc 12,850]

It should decrease the time in takes for the light to become dark and the dark to become light.

 

RE: "Delete the shaders" - which files do I delete?

[Guest]

What a coincidence! Yesterday I posted on the LM forum if there was a way to tweak the HDR settings, mainly the darkening effect and the transition time, which is way too slow by default! So thanks for this! I will certainly give this a try today! Maybe the answer to my other question, the darkening effect, can also be tweaked in that file...!

[Guest]

Well, I gave the tweak a try and you made my day!!! What an improvement! I never really used HDR up to now but with 2.3 and this tweak (I use a setting of 4.0) it's almost perfect! This feels a lot more realistic: the panel itself is clear and bright enough within a second when I look down at it and when I look up again to the sky I get a very short blindening effect. Very smooth and very realistic! In fact, I don't even feel the need to tweak the darkening effect anymore now! This really made a HUGE difference! Amazing how important such a little tweak can be!

 

Thanks for this great tip!!!

[NG_Aviator 39]

Does using HDR reduce performance?

[ryanbatc 12,850]

Well, I gave the tweak a try and you made my day!!! What an improvement! I never really used HDR up to now but with 2.3 and this tweak (I use a setting of 4.0) it's almost perfect! This feels a lot more realistic: the panel itself is clear and bright enough within a second when I look down at it and when I look up again to the sky I get a very short blindening effect. Very smooth and very realistic! In fact, I don't even feel the need to tweak the darkening effect anymore now! This really made a HUGE difference! Amazing how important such a little tweak can be!

 

Thanks for this great tip!!!

 

I still don't get the "delete your shaders" part - which files do I delete?

[Guest]

I still don't get the "delete your shaders" part - which files do I delete?

 

All files in this folder:

 

C:\Users\Yourname\AppData\Local\Lockheed Martin\Prepar3D v2\Shaders

 

The folder is hidden by default so you first may have to enable the option to see hidden folders.

[issgazer 0]

Just tried it and I concur, it's an excellent tip.  Thank you Selcuk73.

[MBaclawski 11]

That's a Keeper for Sure, Great Find. !!!!

[DylanM 1,069]

Good stuff -  thanks Selcuk!

[ryanbatc 12,850]

Doesn't seem to make a difference for me... I used .4f

[Gerardius 20]

Great!! Thanks a lot!!!

Doesn't seem to make a difference for me... I used .4f

You shoul try values between 1.0 and 4.0

[n4gix 4,947]

Outstanding contribution. I used 4.0f myself and am extremely pleased with the quickness of the transition.

 

Would the OP please copy/paste his post in the "P3D Tips and Tricks" forum where I can then lock it for posterity?