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What causes color
www.webexhibits.org/causesofcolor/5.html
Water itself has an intrinsic blue color that is a result of its molecular structure and its behavior.
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Photography basics: Solid Angle measures
http://www.calculator.org/property.aspx?name=solid+angle
A measure of how large the object appears to an observer looking from that point. Thus. A measure for objects in the sky. Useful to retuen the size of the sun and moon… and in perspective, how much of their contribution to lighting. Solid angle can be represented in ‘angular diameter’ as well.
http://en.wikipedia.org/wiki/Solid_angle
http://www.mathsisfun.com/geometry/steradian.html
A solid angle is expressed in a dimensionless unit called a steradian (symbol: sr). By default in terms of the total celestial sphere and before atmospheric’s scattering, the Sun and the Moon subtend fractional areas of 0.000546% (Sun) and 0.000531% (Moon).
http://en.wikipedia.org/wiki/Solid_angle#Sun_and_Moon
On earth the sun is likely closer to 0.00011 solid angle after athmospheric scattering. The sun as perceived from earth has a diameter of 0.53 degrees. This is about 0.000064 solid angle.
http://www.numericana.com/answer/angles.htm
The mean angular diameter of the full moon is 2q = 0.52° (it varies with time around that average, by about 0.009°). This translates into a solid angle of 0.0000647 sr, which means that the whole night sky covers a solid angle roughly one hundred thousand times greater than the full moon.
More info
http://lcogt.net/spacebook/using-angles-describe-positions-and-apparent-sizes-objects
http://amazing-space.stsci.edu/glossary/def.php.s=topic_astronomy
Angular Size
The apparent size of an object as seen by an observer; expressed in units of degrees (of arc), arc minutes, or arc seconds. The moon, as viewed from the Earth, has an angular diameter of one-half a degree.
The angle covered by the diameter of the full moon is about 31 arcmin or 1/2°, so astronomers would say the Moon’s angular diameter is 31 arcmin, or the Moon subtends an angle of 31 arcmin.
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Govee Ambilight TV setups
Ambilight is a trademark for the immersive lighting technology that Philips launched in 2004, with lighting on the rear of the TV that reflected on-screen content. To date, they’re the only manufacturers to build this technology into the TV itself.
www.makeuseof.com/tag/minger-ihoment-tv-backlight/
yourfancydeals.com/products/luminous-tv-pc-dynamic-led-strip?clickid=wml5r4du6b25kve12drf5u5q
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Unity3D is finally going public
www.pcgamesinsider.biz/news/71461/unity-is-finally-going-public/
techcrunch.com/2020/08/24/unitys-ipo-numbers-look-pretty-unreal/
Between calendar 2018 and 2019, Unity’s revenue rose by 42 per cent year-on-year to $541.8m. Meanwhile, the firm’s revenue for the six months ending June 30th, 2020 was $351.3m, an increase of 39 per cent. The company has clocked up net losses of $163.2m for the year ending December 31st 2019 and $54.1m for the six months concluding June 30th, 2020.
Unity reckons the market it addresses around the world is worth around $29bn, across both video games and other creative industries it works in.
Unlike Epic Games, Unity has long worked with the major platforms and gaming companies to get their engine in front of as many developers and gamers as possible. In fact, the company estimates that 53% of the top 1,000 mobile games on the Apple App Store and Google Play Store and over 50% of mobile, personal computer and console games were made with Unity.
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3D geometry into After Effects
https://helpx.adobe.com/after-effects/using/preparing-importing-3d-image-files.html
Using Video Copilot’s Element 3D
httpv://www.youtube.com/watch?v=K–8k4zpW54
www.videocopilot.net/docs/element/
Projection mapping in Element 3D
https://www.videocopilot.net/forum/viewtopic.php?f=42&t=129682Using Blender
Using Cinema 4D
helpx.adobe.com/ca/after-effects/using/c4d.htmlhttps://helpx.adobe.com/ca/after-effects/using/c4d.html
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Samsung – The Wall MicroLED frame-less TV
The Wall TV can be configured to sizes ranging from 146 inches to 292 inches diagonally and uses MicroLED technology instead of OLED or traditional LED.
MicroLED delivers many of the benefits you’ll find in OLED, including perfect blacks and eye-popping colors, but the set also boasts 1,600 nits of brightness. That’s brighter than today’s OLED sets.
Currently, Samsung is offering two models of The Wall, or rather the individual panels that make up The Wall, the IW008J and the IW008R. While Samsung doesn’t list prices for these panels online, other resellers are listing the modules for $16 to $23 thousand dollars each.
These individual modules measure 31.75 x 17.86 inches, but have an individual resolution of 960 x 540 pixels. In order to enjoy the same 3840 x 2160 resolution you’ll get on a standard 4K TV, you’ll need to buy 16 of these panels, to set up in a 4 x 4 configuration that measures 146 inches diagonally.
If you’re in the market for a microLED TV, and are comfortable spending upwards of $300,000 to get the same 4K resolution that the best cheap 4K TVs provide, you’ll need to contact Samsung directly to order products and arrange custom installation.
Because The Wall is made up of borderless tiles, the modular design allows additional tiles to be added, making this even-bigger version of The Wall possible.
https://www.tomsguide.com/us/samsung-the-wall-tv-release-date,news-27356.html
FEATURED POSTS
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Is a MacBeth Colour Rendition Chart the Safest Way to Calibrate a Camera?
www.colour-science.org/posts/the-colorchecker-considered-mostly-harmless/
“Unless you have all the relevant spectral measurements, a colour rendition chart should not be used to perform colour-correction of camera imagery but only for white balancing and relative exposure adjustments.”
“Using a colour rendition chart for colour-correction might dramatically increase error if the scene light source spectrum is different from the illuminant used to compute the colour rendition chart’s reference values.”
“other factors make using a colour rendition chart unsuitable for camera calibration:
– Uncontrolled geometry of the colour rendition chart with the incident illumination and the camera.
– Unknown sample reflectances and ageing as the colour of the samples vary with time.
– Low samples count.
– Camera noise and flare.
– Etc…“Those issues are well understood in the VFX industry, and when receiving plates, we almost exclusively use colour rendition charts to white balance and perform relative exposure adjustments, i.e. plate neutralisation.”