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ALICE
COLOR MANAGEMENT
Instruction Manual
As of: April 2003
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Contents Safety Instructions.........................................................3 3 The File Menu ..................................................18 1 ALICE 4 Configuration...................................................20 ARRILASER Interactive Configuration Editor...........5 4.1 Naming Conventions in ALICE ..........................20 2 Operation..........................................................7 Cinemascope geometries..................................20 Inter Positive fulla
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Safety Instructions 5 Color Management for Video Look....................28 Caution: This manual is an addendum to the existing 5.1 Operation from ALICE ......................................28 ARRILASER instruction manual. 5.1.1 Configuration of CMS node in ALICE.................28 Please make sure to read the ARRILASER 5.1.2 Soft clip Parameter ...........................................29 manual prior to continuing with this manual! 5.1.3 Display settings ...................................
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4 Introduction 1
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1 ALICE ARRILASER Interactive Configuration Editor The ALICE offers the fastest, easiest and safest way to The purpose of ALICE is generate a new image processing configuration file and • to judge the quality of the input images gives visual control over the whole image process from • to select the frame range visually the raw input sequence to the final images positioned • to build a job and select appropriate job settings on the film. General input parameters like start/end with visual contro
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viewer area • • projectable area • pixel info film view • processed view • • display settings original view • timeline • • home button • configuration area 6 Operation 2
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2 Operation 2.1 Viewer area To start ALICE click the ALICE Button beneath the image The viewer area includes the viewer window, timeline, processing configuration list in the input tab of ALGUI. projectable area, pixel info and display settings. It offers a Any preselected image processing file will be applied in visual control of the raw input sequence and is used to ALICE, as long as it is compatible with ALICE’s configuration. create interactively the configuration parameters. A preview I
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Timeline • To change the displayed frame range, enter the start/end • Additional keyboard shortcuts can be used. frame in the corresponding text field at the beginning Arrow left/right: and end of the timeline photo. retreat/advance a step based on the frame increment setting. The ‘cur‘ field shows photo the actual displayed Page up/down: frame number. Typing a particular number in that retreat/advance by approx. a tenth of the timeline field will show this frame on the display. range. CT
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Projectable Area Display Settings • By choosing an output format in the ‘projectable area‘ • Choose a zoom factor from the drop down list in the photo, internally the corresponding ‘projector ‘display settings‘ area photo to zoom in/out mask’ is selected. The ‘projector mask‘, the ‘save title (25% - 200%) or use the right mouse button or area’ or both together can be activated. Additionally keyboard shortcuts. the reserved region for the soundtrack and the frame Right mouse button: line c
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input format • ouput format • calibration • • crop area • CMS • Sharpen • Deinterlace 1 0 Operation 2.2.
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2.2 Configuration Area This chapter explains all available ALICE nodes and their Input Format parameters in a systematic way according to the standard GUI configuration. It is mainly intended as a reference. • In the ‘input format‘ section photo the size, bit depth and pixel aspect ratio of the selected sequence In this window a configuration file for the image are displayed. processing can be build. By default images of the size 1920x1080 are auto- matically recognized as HDTV 1080 (pixel
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Output Format Calibration • The determination of the ‘output format’ photo is • Select the actual ‘calibration‘ photo a two-stage selection procedure: and ‘loader LUT‘ photo for the used film stock and lab and the format conversion look-up-table (LUT). First the desired projection aspect ratio must be choosen (i.e.: 1:2,35 CS means squeezed for projection with The LUT converts the given files into the Cineon format. cinemascope lenses). Choose 10log, if the files are already in the Cine
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Crop Area • With the crop node a ‘crop area‘ photo can be specified by the x/y-size and the origin of the crop box in relation to the original image. By selecting a projection aspect ratio (e.g. 1.66) in the ‘output format’ node the maximum appropriate ‘crop area’ settings are adjusted automatically and, if necessary, the image is auto scaled to fit into the chosen ‘output format’. By default the x-size of the crop box is set to maximum input image width and the image height is selecte
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Crop box handling with the aspect unlocked: If the image should not be cropped in order to get the selected output format the ´lock aspect´ button photo can be switched off. This mode allows to only downsize the aspect ratio starting from the chosen ratio in the ‘output format’ node. The result is a horizontally- centered image with a letterbox on both sides. Check in the film view for the look. The projectable image height remains constant according to the chosen projection aspect rati
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Right mouse button: To reset the crop box to its default, to maximize or center the crop box use the right mouse button, when the mouse is located in the image area. 1 5 Operation 2.2.
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Deinterlace The ‘deinterlace‘ photo node enables the merging of two fields of video originated frames. There are no arguments required. • For quick comparison between ‘deinterlace’ on/off toggle key D in the processed view mode. Pushing down the key will disable the effect on the image and the color of the icon will change to black & white. For ‘effect on’ release the key. Sharpen The ‘sharpen‘ node photo applies a sharpening process on the image. The details of the sharpening process
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CMS The Color Management system (‘CMS‘ photo) node is used to apply high quality profiles for standard devices such as Sony HD Monitor and Kodak Vision print stock projected by a xenon lamp in order to bring the colors of the film output close to what can be seen on the monitor. • In the ‘CMS‘ node a monitor profile (M) and a print film profile (P) is selected. For images with high saturated colors the soft clip can be adjusted by choosing one of the prepared soft clip settings from th
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3 The File Menu ‘Preferences’ has three tabs: • Appearance: to adjust the background, perforation, film, soundtrack and frame line color in the film view. Transparency of soundtrack and frame line can also be adjusted. The general ALICE font can be changed as well. • Color Management: The profile for your workstation monitor can be selected here. It is necessary to make a selection in order to use the ´proof´ button. Settings for the out-of- gamut display can also be modified in this dia
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• ‘Select sequence’: Note: JPEG image saves the view as displayed, with The file browser opens and the sequence can be a size according to the present magnification selected in the display. This change will also be factor. returned to the ALGUI, if ALICE is left with saving. TIFF images are always saved in the true image size, regardless of the magnification factor. • ‘Save configuration as…’ They also preserve the internal data range will open the file menu. The actual image processing use
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4 Configuration 4.1 Naming Conventions in ALICE On startup, ALICE analyzes all configuration files, directories Cinemascope geometries and environment variables relevant for recording. In addition to the information stored in the files, there are Geometry files with “CS” (in capital letters) in their file some conventions for naming files. These are relevant name are assumed to define cinemascope geometries, for ALICE only: thus causing the recorded image to be warped for anamorphic projecti
