Annotation of researchv10dc/man/adm/man9/rebecca.9, revision 1.1.1.1

1.1       root        1: .TH REBECCA 9.1
                      2: .CT 1 editor graphics
                      3: .SH NAME
                      4: rebecca \- graphics touch-up editor
                      5: .SH SYNOPSIS
                      6: .B rebecca
                      7: .I file
                      8: .SH DESCRIPTION
                      9: .I Rebecca
                     10: is an interactive retouching tool for digitized grey-scale images.
                     11: The 
                     12: .I file
                     13: must be a headerless 512\(mu512 black-and-white digitized image.
                     14: Example (read only) files are
                     15: in directory 
                     16: .FR /n/kwee/t0/face/512x512x8 .
                     17: .LP
                     18: `Floating instruments' for editing
                     19: can be dragged with button 2 to different locations.
                     20: .LP
                     21: .I Resolution.
                     22: The tick mark on the long bar
                     23: can be moved up or down with button 1.
                     24: Printed
                     25: to the right of the bar is the current resolution\(em
                     26: a power of 2 representing the number
                     27: of file pixels across the screen image.
                     28: .LP
                     29: .I Grid.
                     30: Click button 1 at the circular button to toggle the grid.
                     31: Turning on the grid is useful sometimes to see how
                     32: fast a screen update is proceeding: it eats away the grid.
                     33: .LP
                     34: .I Write.
                     35: Write the file on the host by clicking button 1 at the box labeled
                     36: .LR write .
                     37: The write box has a
                     38: .L *
                     39: if a change was made to
                     40: the file since it was last written.
                     41: .LP
                     42: .I Runlength encoding.
                     43: Clicking button 1 at this box toggles the mode of data transmission
                     44: between host and terminal.
                     45: .LP
                     46: .I Reopen.
                     47: This instrument cancels any changes made to the file
                     48: since the last time it was written.
                     49: .LP
                     50: .I Move/Pan.
                     51: Click button 1 at one of the 5 areas of the diamond.
                     52: The middle resets the display to a
                     53: full size picture.
                     54: Left, right, up, or down will move (pan) 1/4 screen in the
                     55: corresponding direction
                     56: (useful only on zoomed pictures).
                     57: .LP
                     58: .I Zoom/Unzoom.
                     59: Click button 1 at
                     60: .L Z
                     61: (zoom) or
                     62: .L U
                     63: (unzoom).
                     64: .L Z
                     65: prompts with a square box to be positioned on the area
                     66: of the picture to be inspected at full resolution.
                     67: If you click button 1 before you confirm, the sides
                     68: of the box are halved.
                     69: Clicking button 2 doubles them.
                     70: Any combination of two buttons cancels the zoom;
                     71: button 3 confirms it.
                     72: .LP
                     73: .I Paint.
                     74: Click button 1 at the box labeled
                     75: .LR "+ = -" .
                     76: Painting with
                     77: .L +
                     78: adds grey values to pixels;
                     79: .L =
                     80: assigns values;
                     81: .L "-"
                     82: subtracts values.
                     83: Click button 1 at a pixel location to apply the paint.
                     84: Click button 3 to sweep a rectangle to paint all pixels within it.
                     85: Pick a paint value (default is white) by
                     86: clicking button 2 at the grey scale at the bottom
                     87: or at any pixel in the image.
                     88: Click button 2 at the paint box to cancel the paint mode.
                     89: .LP
                     90: .I Smear.
                     91: Pointing at a pixel with both buttons
                     92: 1 and 2 down averages it with its
                     93: 8 neighbors (most useful when zoomed in to pixel level).
                     94: Typical usage: apply some white or black paint with the paint box,
                     95: then smear it.
                     96: .LP
                     97: .I Probe.
                     98: Click button 1 at the probe box
                     99: .LR P: .
                    100: Point at a pixel in the image.
                    101: The
                    102: .I x-y
                    103: coordinates and the greyscale value of the pixel will be printed.
                    104: .LP
                    105: .I Contrast.
                    106: Move the ends of the line under the
                    107: grey scale bar to expand or compress the grey scale.
                    108: .LP
                    109: .I Rubber Sheet.
                    110: The box named 
                    111: .L sheet
                    112: prompts for a rectangle.
                    113: Sweep out the rectangle over an
                    114: area you want to manipulate, then reposition the corners
                    115: by dragging them to new locations with button 1.
                    116: Confirm the selection with button 3.
                    117: Other instruments
                    118: are usable while the update proceeds. 
                    119: .SH "SEE ALSO"
                    120: .IR pico (1),
                    121: .IR flicks (9.1),
                    122: .IR picfile (5),
                    123: .IR flickfile (9.5)

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