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Review rendering of plants around nest. Turned off fog to get a better look at
things. The billboarded plants are behaving and rendering nicely. HDRI
background, radiosity, 1 area light, and 40,000+ plants. Rendered in just over 3
hours....long enough to watch the Buffalo Bills loss. :)
Miller
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Attachments:
Download 'nest_plants.png' (3716 KB)
Preview of image 'nest_plants.png'
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On 11/14/23 06:29, Mike Miller wrote:
> Review rendering of plants around nest. Turned off fog to get a better look at
> things. The billboarded plants are behaving and rendering nicely. HDRI
> background, radiosity, 1 area light, and 40,000+ plants. Rendered in just over 3
> hours....long enough to watch the Buffalo Bills loss. :)
> Miller
>
Looking good.
I see some extra bright plants at larger distances. Are those
intentional or just happening for some reason?
Bill P.
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William F Pokorny <ano### [at] anonymous org> wrote:
> On 11/14/23 06:29, Mike Miller wrote:
> > Review rendering of plants around nest. Turned off fog to get a better look at
> > things. The billboarded plants are behaving and rendering nicely. HDRI
> > background, radiosity, 1 area light, and 40,000+ plants. Rendered in just over 3
> > hours....long enough to watch the Buffalo Bills loss. :)
> > Miller
> >
>
> Looking good.
>
> I see some extra bright plants at larger distances. Are those
> intentional or just happening for some reason?
>
> Bill P.
The tan/yellow areas in the hillside?...that's HDRI BG. I'll need to tweak that
to get a better transition from 3D hills to background hills.
Thanks,
Mike.
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On 11/14/23 07:08, Mike Miller wrote:
> The tan/yellow areas in the hillside?...that's HDRI BG.
Using exr ? There is a bug where the HDRI has values which exceed a
half float(a). IIRC. Values end up as HUGE_VAL and you get artifacts
that basically won't go away with normal -ish tweaking.
Bill P.
(a) - POV_Ray's current exr support only works with half float (16 bit)
exr files and many .exr files found today on the internet use the full
32 bit float format and those, sometimes, have values > 16 bits float max.
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"Mike Miller" <mil### [at] gmailcom> wrote:
> Review rendering of plants around nest. Turned off fog to get a better look at
> things. The billboarded plants are behaving and rendering nicely. HDRI
> background, radiosity, 1 area light, and 40,000+ plants. Rendered in just over 3
> hours....long enough to watch the Buffalo Bills loss. :)
> Miller
The foliage is looking great, really nice coverage.
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Oh this is going to be awesome!
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William F Pokorny <ano### [at] anonymousorg> wrote:
> On 11/14/23 07:08, Mike Miller wrote:
> > The tan/yellow areas in the hillside?...that's HDRI BG.
>
> Using exr ? There is a bug where the HDRI has values which exceed a
> half float(a). IIRC. Values end up as HUGE_VAL and you get artifacts
> that basically won't go away with normal -ish tweaking.
>
> Bill P.
>
> (a) - POV_Ray's current exr support only works with half float (16 bit)
> exr files and many .exr files found today on the internet use the full
> 32 bit float format and those, sometimes, have values > 16 bits float max.
Now that you mention this, I've been getting some weird and sporadic lighting
'blow-outs' depending on what objects I have hidden when using a 32 bit HDRI
background. I will drop it to 16 bit and report back.
Thanks,
Mike.
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Il 14/11/2023 12:29, Mike Miller ha scritto:
> Review rendering of plants around nest. Turned off fog to get a better look at
> things. The billboarded plants are behaving and rendering nicely. HDRI
> background, radiosity, 1 area light, and 40,000+ plants. Rendered in just over 3
> hours....long enough to watch the Buffalo Bills loss. :)
> Miller
>
A very vivid image!
Paolo
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On 11/14/2023 3:29 AM, Mike Miller wrote:
> Review rendering of plants around nest. Turned off fog to get a better look at
> things. The billboarded plants are behaving and rendering nicely. HDRI
> background, radiosity, 1 area light, and 40,000+ plants. Rendered in just over 3
> hours....long enough to watch the Buffalo Bills loss. :)
> Miller
>
I guess I gotta ask the basic question.
What do you mean by 'billboarded' plants? I thought I understood
something about them but in the end, I don't know what that term means.
Can you explain?
Thanks.
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Josh English <Jos### [at] joshuarenglishcom> wrote:
> I guess I gotta ask the basic question.
>
> What do you mean by 'billboarded' plants? I thought I understood
> something about them but in the end, I don't know what that term means.
>
> Can you explain?
You don't actually model the thing in 3D.
You take an image map and texture a flat shape with it, then point it toward the
camera. Just like a billboard.
It's an illusion that save on modeling and 3D rendering (if it works well)
- BW
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