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Search Results: Comments
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Now this also means I get to write formulas for testing my assumptions about how the Poser math functions work, rather than having to wire the test networks up by hand.
-- I'm not mad at you, just Westphalian.
Thread: Better documentation on the Math_Functions node? | Forum: Poser Technical
Probably not worth a separate post, but I got my little tool working. This Python code:
produces this compound node (after loading from file):
which can be used like this (for example):
If I add this to the Python script:
I get shown a preview image. This is implemented very hackily at the moment, but easy to fix.
-- I'm not mad at you, just Westphalian.
Thread: Better documentation on the Math_Functions node? | Forum: Poser Technical
-- I'm not mad at you, just Westphalian.
Thread: Better documentation on the Math_Functions node? | Forum: Poser Technical
One of the craziest things I ever noticed was when studying the bias(U, V), the pattern is completely symmetrical about the diagonal. I looked more deeply at the math and found you can swap the inputs and get the same results:
Neat!
-- I'm not mad at you, just Westphalian.
Thread: Better documentation on the Math_Functions node? | Forum: Poser Technical
bagginsbill posted at 2:12 PM Mon, 21 October 2024 - #4490616
I'm getting this in Poser12, but only if SuperFly is selected as the renderer. For FireFly, it's the natural logarithm regardless of the second parameter. Preview and FireFly renders also produce the natural logarithm every time, while the SuperFly render reflects the image here.I never saw the 2nd input to log do anything. I'm in Poser 12 and lower. What did you observe?
-- I'm not mad at you, just Westphalian.
Thread: Better documentation on the Math_Functions node? | Forum: Poser Technical
I never found any Poser docs for the math behind any of the nodes. I reverse engineered everything.
Your bias is correct. You can actually verify this by hand, building a ** (log(b) / log(.5)) in nodes and then take THAT node, subtract with an actual math:bias node having the same inputs, then take the absolute value of that difference and multiply by 1000 and plug that into ambient_color. If there's any deviation it will show up as not black. Here I used U and V as my two inputs, and the lower four nodes do the explicit math. The upper two compare and amplify differences from the real Bias function.
Excellent, thanks! I was considering something along those lines but somehow the multiplication at the end didn't occur to me. Brainworms, I swear.
-- I'm not mad at you, just Westphalian.
Thread: Better documentation on the Math_Functions node? | Forum: Poser Technical
I found two references for bias and gain on the interwebs that used different bias functions (Poser seems to go with the original one, not the faster alternative) and messed up the definition of the gain in two unique ways. I'm somewhat tempted to read the original paper, but I'm also way too lazy...
-- I'm not mad at you, just Westphalian.
Thread: Better documentation on the Math_Functions node? | Forum: Poser Technical
For reference, here's what I have so far (in Python, after import numpy as _np). Not super-confident about those last three, so I might dig for my texture baking kit for Poser and do a numerical comparison on top of the visual one. There may also be some edge cases I got wrong.
-- I'm not mad at you, just Westphalian.
Thread: Poser Right For My Project | Forum: Poser Technical
For completeness, you can actually use and redistribute Antonia and the clothes I made for her (but not the texture she comes with) freely with attribution: Antonia Polygon 1.3 Standalone Figure
I am not aware of any male Poser figures that are freely distributable, but I imagine one could morph Antonia into a male shape if one so desired.
-- I'm not mad at you, just Westphalian.
Thread: Dynamic Clothes WIPs for La Femme 2 | Forum: La Femme 2
Thread: Dynamic Clothes WIPs for La Femme 2 | Forum: La Femme 2
Here's one with a longer skirt and PG-friendly chest (I hope). Do you think she'll get in trouble over her extravagant stockings?
-- I'm not mad at you, just Westphalian.
Thread: Dynamic Clothes WIPs for La Femme 2 | Forum: La Femme 2
Haha, sorry! I think I must have used the "areolas small" morph in my default character, which made them a bit pinchy.I was about to yell SHE IS VERY PG-FRIENDLY IN DEFAULT but you beat me to it LMAO
-- I'm not mad at you, just Westphalian.
Thread: Dynamic Clothes WIPs for La Femme 2 | Forum: La Femme 2
That said, I just checked, and I did in fact have the nipple morphs on when I thought I didn't. Apologies! *wipes egg from face*
Here's the same pose with all morphs off (I hope) and a more opaque shirt (except for sleeves). I haven't made the skirt longer yet, but it turns out not to ride up as much when she's her original, skinnier self.
-- I'm not mad at you, just Westphalian.
Thread: Dynamic Clothes WIPs for La Femme 2 | Forum: La Femme 2
You're assuming our girl does not have pokey nipples in her natural state. 
It's in fact of my biggest problems when simulating clothes on her that the areolae and nipples aren't completely flat by default.
-- I'm not mad at you, just Westphalian.
Thread: Dynamic Clothes WIPs for La Femme 2 | Forum: La Femme 2
I think she might also need something like an "under shirt" breast morph to go with the less sheer blouse material.
-- I'm not mad at you, just Westphalian.
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Thread: Better documentation on the Math_Functions node? | Forum: Poser Technical