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FNV Imagespace Modifier High Noon megabug


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#1
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FNV Imagespace Modifier High Noon megabug





#2

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you can create the same issus if the day and sunset/sunrise drastically different

#3
Xilandro

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In response to post #73293853.


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No, it's not the same issue.

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In response to post #73293853. #73294008 is also a reply to the same post.


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language barrier i try with other words

i notice a simliar issus general with Day and sunset/sunrise the only different is the Color Tint. 150/225 /225 Day. 100/255/255 Sunset. but its feel exactly like your video. this IMS system general work not perfect. but its still better as nothing

#5
Xilandro

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In response to post #73293853. #73294008, #73294053 are all replies on the same post.


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Let me explain. Imagine a line from 0 to 1. In this case, transition is a process when the value is going from 0 to 1 over time, like this: 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1. ALL values of 2 different imods are remapped on this 0 to 1 line. Certain imod settings are very sensitive to changes if they're used in combo with other sensitive settings. Like contrast average luminance mixed with big brightness changes. Or target luminance with bright scale and bright clamp mix. Or all of them together. The more different these settings are in the imods that are about to undergo transition, the bigger is the chance you'll get messed up visuals. But that is how it's supposed to work, transition itself is 100% correct. So the issue is 100% on the person who made these imods without giving it proper attention, or without knowledge what each setting is doing exactly. It can be fixed just by sticking to some standardized contrast and luminance range for the whole mod (ie, no negative values and no values higher than 1.8) But again, the code behind the transition is working properly there.
Issue I have explained in the video is caused by the code not working properly at all. Remember the transition 0-1 line I described? High noon looks a bit different. It's 0 - 1 - 0. High noon imod transitions into the day imod and back, like this: values *should* start as 0 (starts at the end of sunrise/start of day), move to 1 (~12pm) and then move back to 0 (at the sunset start/day end). Whole transition *should* work like this:
0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1 (12pm peak), 0.9, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1, 0.
But the code is broken and it works as 1 - 0 - 1:
1, 0.9, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1, 0 (12pm peak), 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1
That's the issue I'm talking about.

#6
Xilandro

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In response to post #73293853. #73294008, #73294053, #73294293 are all replies on the same post.


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"i notice a simliar issus general with Day and sunset/sunrise the only different is the Color Tint. 150/225 /225 Day. 100/255/255 Sunset"
No, I just tested it. Works fine. You might actually see the bug I described in the video because you have a high noon imod different to the day imod

#7
Xilandro

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In response to post #73293853. #73294008, #73294053, #73294293, #73294358 are all replies on the same post.


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basically, do this, until the bug is fixed (which I doubt will ever be)
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In response to post #73293853. #73294008, #73294053, #73294293, #73294358, #73294558 are all replies on the same post.


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" It can be fixed just by sticking to some standardized contrast and luminance range for the whole mod "
this is correct..noticed this years ago..

but i never noticed adverse effects with different ism's with the same settings.
you saying that a copy of a ism would have the same bug, even if all settings on the second are a exact match of the first ?
Not that it would serve any purpose other than naming.

#9
Xilandro

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In response to post #73293853. #73294008, #73294053, #73294293, #73294358, #73294558, #73297093 are all replies on the same post.


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No, you can use different IMOD forms for day and noon, if they have 100% identical settings, that's totally viable option. But there's no real point doing it except for the naming.

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In response to post #73293853. #73294008, #73294053, #73294293, #73294358, #73294558, #73297093, #73297588 are all replies on the same post.


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Maybe JIP can fix that stuff in the code ?




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