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Photography basics: Lumens vs Candelas (candle) vs Lux vs FootCandle vs Watts vs Irradiance vs Illuminance
https://www.translatorscafe.com/unit-converter/en-US/illumination/1-11/
The power output of a light source is measured using the unit of watts W. This is a direct measure to calculate how much power the light is going to drain from your socket and it is not relatable to the light brightness itself.
The amount of energy emitted from it per second. That energy comes out in a form of photons which we can crudely represent with rays of light coming out of the source. The higher the power the more rays emitted from the source in a unit of time.
Not all energy emitted is visible to the human eye, so we often rely on photometric measurements, which takes in account the sensitivity of human eye to different wavelenghts
Details in the post
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AnimationXpress.com interviews Daniele Tosti for TheCgCareer.com channel
You’ve been in the VFX Industry for over a decade. Tell us about your journey.
It all started with my older brother giving me a Commodore64 personal computer as a gift back in the late 80′. I realised then I could create something directly from my imagination using this new digital media format. And, eventually, make a living in the process.
That led me to start my professional career in 1990. From live TV to games to animation. All the way to live action VFX in the recent years.I really never stopped to crave to create art since those early days. And I have been incredibly fortunate to work with really great talent along the way, which made my journey so much more effective.
What inspired you to pursue VFX as a career?
An incredible combination of opportunities, really. The opportunity to express myself as an artist and earn money in the process. The opportunity to learn about how the world around us works and how best solve problems. The opportunity to share my time with other talented people with similar passions. The opportunity to grow and adapt to new challenges. The opportunity to develop something that was never done before. A perfect storm of creativity that fed my continuous curiosity about life and genuinely drove my inspiration.
Tell us about the projects you’ve particularly enjoyed working on in your career
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Mulan Releasing Straight To Disney+ For $30 In September
screenrant.com/mulan-movie-streaming-release-date-disney-plus-price/
“This news of Mulan skipping a theatrical-only release to debut on Disney+ and in theaters the same day is quite shocking.
Disney’s Mulan is without question the biggest film to move to a streaming release so far (with, perhaps, the exception of certain movies that were already in theaters when closures began), even if it’s a combination of streaming and theater screenings. Mulan was expected to be a big box office earner for Disney, particularly as it’s one of the first blockbusters with a predominantly Asian cast.
Although Mulan can still prove to be a financial success, it will never be known whether the movie could’ve seen massive, record-breaking success like that which Black Panther earned when it released in 2018.”
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Photography basics: Production Rendering Resolution Charts
https://www.urtech.ca/2019/04/solved-complete-list-of-screen-resolution-names-sizes-and-aspect-ratios/
Resolution – Aspect Ratio 4:03 16:09 16:10 3:02 5:03 5:04 CGA 320 x 200 QVGA 320 x 240 VGA (SD, Standard Definition) 640 x 480 NTSC 720 x 480 WVGA 854 x 450 WVGA 800 x 480 PAL 768 x 576 SVGA 800 x 600 XGA 1024 x 768 not named 1152 x 768 HD 720 (720P, High Definition) 1280 x 720 WXGA 1280 x 800 WXGA 1280 x 768 SXGA 1280 x 1024 not named (768P, HD, High Definition) 1366 x 768 not named 1440 x 960 SXGA+ 1400 x 1050 WSXGA 1680 x 1050 UXGA (2MP) 1600 x 1200 HD1080 (1080P, Full HD) 1920 x 1080 WUXGA 1920 x 1200 2K 2048 x (any) QWXGA 2048 x 1152 QXGA (3MP) 2048 x 1536 WQXGA 2560 x 1600 QHD (Quad HD) 2560 x 1440 QSXGA (5MP) 2560 x 2048 4K UHD (4K, Ultra HD, Ultra-High Definition) 3840 x 2160 QUXGA+ 3840 x 2400 IMAX 3D 4096 x 3072 8K UHD (8K, 8K Ultra HD, UHDTV) 7680 x 4320 10K (10240×4320, 10K HD) 10240 x (any) 16K (Quad UHD, 16K UHD, 8640P) 15360 x 8640 -
The speed of darkness (and ignorance)
The Dunning-Kruger effect
www.pixelsham.com/2014/10/18/the-dunning-kruger-peak/ -
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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