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FlyIce

Really faint cloud shadows on ground in XP11

9 posts in this topic

Cloud shadows on ground look pretty nice in P3D, but I can hardly see any cloud shadows on the ground in XP11. If I look really hard I may see some kind of really faint and flicking grays spots on the grounds, but nothing looks like shadows in P3D. 

Are you guys having the same experience too? Shadows of terrain, trees and buildings etc are kind of ok, though still not as as good as P3D I'd say.

This is the section in my lua file for settings on shadow (modified and collected from other peoples' shadow settings). The set( "sim/private/controls/clouds/cloud_shadow_lighten_ratio", 0.950000) is supposed to make cloud shadow darker but doesn't seem to do anything obvious. I'm new to XP11 and learning the lua and settings though.

----------------------------------------------------------------------
--                            SHADOWS                               --
----------------------------------------------------------------------
    -- reduce "the shake rattle and roll of the shadows"
    -- the max value is 4!
    set( "sim/private/controls/shadow/csm_split_exterior", 4)
    set( "sim/private/controls/shadow/csm_split_interior", 4)

    ------------------------------------------------------------------
    -- shadow_cam_size: Lower quality has jagged edges. 
    -- 2048 (low), 4096 (medium), 8192 (high)
    set( "sim/private/controls/fbo/shadow_cam_size", 8192)
    set( "sim/private/controls/clouds/shadow_size", 4096)

    ------------------------------------------------------------------
    -- min_res_for_shadow:          get rid of flashing cloud shadows?
    -- cloud_shadow_lighten_ratio:  bigger number = darker (default:0.5)
    set( "sim/private/controls/clouds/min_res_for_shadow", 1.5)
    set( "sim/private/controls/clouds/cloud_shadow_lighten_ratio", 0.950000)

    ------------------------------------------------------------------
    -- cockpit_near_adjust: shadow distance?
    -- cockpit_near_proxy: shadow distance?
    set( "sim/private/controls/shadow/cockpit_near_adjust", 3)
    set( "sim/private/controls/shadow/cockpit_near_proxy", 20)

    ------------------------------------------------------------------    
    -- far_limit:  shadow distance
    -- lambda_cockpit: Lower number extends shadow to the horizon  
    --                 up to a point, a whole number doesn't work. 
    set( "sim/private/controls/shadow/csm/far_limit", 50000.00)
    set( "sim/private/controls/shadow/csm/lambda_cockpit", 0.850000) 

    ------------------------------------------------------------------
    set("sim/private/controls/skyc/max_shadow_angle",-89)
    set("sim/private/controls/skyc/min_shadow_angle",-90)
    set("sim/private/controls/shadow/last_3d_pass", 2.0)

 

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increasing the visibility (manual weather) will get you more sun and shadow but whether you can do that with real weather or a weather addon I don't know.  I fly with manual weather most of the time. I have no familiarity with lua scripts so maybe someone else can help more.

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I'm fine with the clouds shadows intensity, what I would like is to know how to kill clouds shadows flickering on ground.

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To me is both the intensity (you can hardly tell there are shadows) and the flickering which is very distracting. 

P3D nailed cloud shadow pretty much on the first try, and even FSX can have decent cloud shadows with DX10 plugin (?). I assumed this thing is easy but apparently XP11 just couldn't get it right. 

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I remember changing the cloud shadow setting and could get some darker shadows. I can test it out later. Do you need HDR lighting on?

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I googled and it seems "set( "sim/private/controls/clouds/cloud_shadow_lighten_ratio", 0.950000)" is the one to make clouds darker, default value is 0.5 or 0.75. But I didn't see anything obvious. I have HDR on.

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Can you provide a screenshot? Have you checked how it looks at max visibility (100 miles)?

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I've been really disappointed as well with the flickering, barely visible cloud shadows. I thought something might have been wrong with my PC. Will definitely take a look at that Ultimate sim pack. Thanks for posting Ham. 

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