American Cinematographer - June 2008 - 90

Above and opposite: These flow charts show the ASC CDL-lined path of Prieto’s images from initial capture with the Panavision Genesis through to dailies delivered by Modern VideoFilm. camera, through the digital-imaging technician’s station (which served to monitor exposure and image levels without touching color) and into the 3cP station, where all of the grading happened without affecting what was recorded. At the station, Hinlein would record five seconds of the actual take for Prieto to correct between setups. Prieto enthuses, “With the digital part of the shoot, I did the correcting as we were going through the day, so by the time we finished shooting, I was done!” From there, the literal translation of Prieto’s on-set corrections to the dailies he watched with director Kevin Macdonald was made possible via the ASC CDL. Bob Currier, Gamma & Density’s chief technical officer, explains that although the 3cP interface looks essentially the same as it does when working with digital stills — presenting the cinematographer with gamma, gain and pedestal controls, as well as the option to work with electronic “printer lights” — “when you create an ASC CDL, 3cP mathematically combines all of those different controls down to slope, offset, power and saturation, which is sort of the lingua franca of exchanging that color information.” The offset, slope and power functions of the CDL correspond, respectively, to dark tones, highlights and midtones (a.k.a. lift, gain and gamma). Each function has a corresponding red, green and blue value, except saturation, which is a single value, so that the CDL totals 10 numbers that are then exported as an XML-formatted text file, which, on State of Play, was delivered to colorist Eric Hasse at Modern VideoFilm. Hasse then fed the CDL into the da Vinci, which could read the list and apply Prieto’s exact corrections directly to the image as it went through the tape-to-tape correction for the HDSR 4:4:4 dailies deliverables. Though 3cP’s CDL controls came quickly to Prieto, he notes that it took some time to get used to not having access to RGB curves, which he would manipulate for the 35mm material. Currently, the ASC CDL does not support the use of curves, though there are 90 Flow charts courtesy of Gamma & Density Co.
http://www.photosonics.com http://www.photosonics.com

American Cinematographer - June 2008

Table of Contents for the Digital Edition of American Cinematographer - June 2008

American Cinematographer - June 2008
Contents
Editor's Note
Short Takes: "100 Days, " Sharon Jones and the Dap-Kings
Production Slate: Mongol
Production Slate: Greensburg
Vintage Indy
A Prince in Peril
Women's World
90 Years of Precision
Post Focus: A 3-D Imax Work Flow for Wild Ocean
Post Focus: 3cP Incorporates ASC CDL on State of Play
Filmmakers' Forum: John Baily, ASC
New Products & Services
International Marketplace
Classified Ads
Ad Index
ASC Membership Roster
In Memoriam: Gayne Rescher, ASC
Clubhouse News
ASC Close-Up: Rob McLachlan
American Cinematographer - June 2008 - American Cinematographer - June 2008
American Cinematographer - June 2008 - Cover2
American Cinematographer - June 2008 - 1
American Cinematographer - June 2008 - 2
American Cinematographer - June 2008 - Contents
American Cinematographer - June 2008 - 4
American Cinematographer - June 2008 - 5
American Cinematographer - June 2008 - 6
American Cinematographer - June 2008 - 7
American Cinematographer - June 2008 - Editor's Note
American Cinematographer - June 2008 - 9
American Cinematographer - June 2008 - Short Takes: "100 Days, " Sharon Jones and the Dap-Kings
American Cinematographer - June 2008 - 11
American Cinematographer - June 2008 - 12
American Cinematographer - June 2008 - 13
American Cinematographer - June 2008 - 14
American Cinematographer - June 2008 - 15
American Cinematographer - June 2008 - Production Slate: Greensburg
American Cinematographer - June 2008 - 17
American Cinematographer - June 2008 - 18
American Cinematographer - June 2008 - 19
American Cinematographer - June 2008 - 20
American Cinematographer - June 2008 - 21
American Cinematographer - June 2008 - 22
American Cinematographer - June 2008 - 23
American Cinematographer - June 2008 - 24
American Cinematographer - June 2008 - 25
American Cinematographer - June 2008 - 26
American Cinematographer - June 2008 - 27
American Cinematographer - June 2008 - Vintage Indy
American Cinematographer - June 2008 - 29
American Cinematographer - June 2008 - 30
American Cinematographer - June 2008 - 31
American Cinematographer - June 2008 - 32
American Cinematographer - June 2008 - 33
American Cinematographer - June 2008 - 34
American Cinematographer - June 2008 - 35
American Cinematographer - June 2008 - 36
American Cinematographer - June 2008 - 37
American Cinematographer - June 2008 - A Prince in Peril
American Cinematographer - June 2008 - 39
American Cinematographer - June 2008 - 40
American Cinematographer - June 2008 - 41
American Cinematographer - June 2008 - 42
American Cinematographer - June 2008 - 43
American Cinematographer - June 2008 - 44
American Cinematographer - June 2008 - 45
American Cinematographer - June 2008 - 46
American Cinematographer - June 2008 - 47
American Cinematographer - June 2008 - 48
American Cinematographer - June 2008 - 49
American Cinematographer - June 2008 - 50
American Cinematographer - June 2008 - 51
American Cinematographer - June 2008 - 52
American Cinematographer - June 2008 - 53
American Cinematographer - June 2008 - 54
American Cinematographer - June 2008 - 55
American Cinematographer - June 2008 - Women's World
American Cinematographer - June 2008 - 57
American Cinematographer - June 2008 - 58
American Cinematographer - June 2008 - 59
American Cinematographer - June 2008 - 60
American Cinematographer - June 2008 - 61
American Cinematographer - June 2008 - 62
American Cinematographer - June 2008 - 63
American Cinematographer - June 2008 - 64
American Cinematographer - June 2008 - 65
American Cinematographer - June 2008 - 66
American Cinematographer - June 2008 - 67
American Cinematographer - June 2008 - 90 Years of Precision
American Cinematographer - June 2008 - 69
American Cinematographer - June 2008 - 70
American Cinematographer - June 2008 - 71
American Cinematographer - June 2008 - 72
American Cinematographer - June 2008 - 73
American Cinematographer - June 2008 - 74
American Cinematographer - June 2008 - 75
American Cinematographer - June 2008 - 76
American Cinematographer - June 2008 - 77
American Cinematographer - June 2008 - 78
American Cinematographer - June 2008 - 79
American Cinematographer - June 2008 - 80
American Cinematographer - June 2008 - 81
American Cinematographer - June 2008 - Post Focus: 3cP Incorporates ASC CDL on State of Play
American Cinematographer - June 2008 - 83
American Cinematographer - June 2008 - 84
American Cinematographer - June 2008 - 85
American Cinematographer - June 2008 - 86
American Cinematographer - June 2008 - 87
American Cinematographer - June 2008 - 88
American Cinematographer - June 2008 - 89
American Cinematographer - June 2008 - 90
American Cinematographer - June 2008 - 91
American Cinematographer - June 2008 - Filmmakers' Forum: John Baily, ASC
American Cinematographer - June 2008 - 93
American Cinematographer - June 2008 - 94
American Cinematographer - June 2008 - 95
American Cinematographer - June 2008 - 96
American Cinematographer - June 2008 - 97
American Cinematographer - June 2008 - New Products & Services
American Cinematographer - June 2008 - 99
American Cinematographer - June 2008 - 100
American Cinematographer - June 2008 - 101
American Cinematographer - June 2008 - 102
American Cinematographer - June 2008 - 103
American Cinematographer - June 2008 - 104
American Cinematographer - June 2008 - 105
American Cinematographer - June 2008 - 106
American Cinematographer - June 2008 - 107
American Cinematographer - June 2008 - 108
American Cinematographer - June 2008 - 109
American Cinematographer - June 2008 - International Marketplace
American Cinematographer - June 2008 - 111
American Cinematographer - June 2008 - Ad Index
American Cinematographer - June 2008 - 113
American Cinematographer - June 2008 - ASC Membership Roster
American Cinematographer - June 2008 - 115
American Cinematographer - June 2008 - In Memoriam: Gayne Rescher, ASC
American Cinematographer - June 2008 - 117
American Cinematographer - June 2008 - Clubhouse News
American Cinematographer - June 2008 - 119
American Cinematographer - June 2008 - ASC Close-Up: Rob McLachlan
American Cinematographer - June 2008 - Cover3
American Cinematographer - June 2008 - Cover4
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