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1.1 ! root 1: .TH CSCAN 1 coma,pipe ! 2: .CT 1 misc ! 3: .SH NAME ! 4: cscan \- scan documents on canon scanner ! 5: .SH SYNOPSIS ! 6: .B cscan ! 7: [ ! 8: .I option ... ! 9: ] ! 10: [ ! 11: .I file ... ! 12: ] ! 13: .SH DESCRIPTION ! 14: .I Cscan ! 15: acquires black-and-white images using the ! 16: Canon 9030 Laser Copier flatbed document scanner ! 17: located in the Graphics Lab. ! 18: Each ! 19: .I file ! 20: receives one image; multiple ! 21: .IR file s ! 22: are scanned as fast as possible ! 23: (every 12s, after a startup delay). ! 24: If no ! 25: .I file ! 26: is specified, one image is written to the standard output. ! 27: .PP ! 28: Each image is compressed using the CCITT FAX Group 4 standard ! 29: and supplied with a header as described in ! 30: .IR picfile (5). ! 31: The default page format is 3456 by 4400 pixels (\fIi.e.\fR letter-size 8.64"\(mu11.0" ! 32: at 400 pixels/inch digitizing resolution). ! 33: .PP ! 34: The options are: ! 35: .TP ! 36: .BI -f x,y ! 37: Format is ! 38: .I x ! 39: by ! 40: .I y ! 41: pixels. ! 42: .I X ! 43: is truncated to a multiple of 32. ! 44: .TP ! 45: .B -fL ! 46: Double-letter format ! 47: .BR -f 4416,6800 ! 48: or 11"\(mu17" at 400 pixels/inch ! 49: (the largest possible). ! 50: .TP ! 51: .BI -s s ! 52: Sleep between scans for an extra ! 53: .I s ! 54: seconds. ! 55: .TP ! 56: .BI -v ! 57: Verbose: announce each ! 58: .I file ! 59: as it arrives. ! 60: .SH SEE ALSO ! 61: .IR bcp (1), ! 62: .IR ocr (1), ! 63: .IR picfile (5) ! 64: .SH BUGS ! 65: Although only 10s are required to acquire and compress each image, ! 66: it can take 40s for the first file to appear, ! 67: due largely to networking latencies involving ! 68: .IR rcp (1). ! 69: .br ! 70: .I Cscan ! 71: is unkillable: ! 72: scanning continues and the files keep coming. ! 73: .br ! 74: The automatic document feeder is not supported. ! 75: .br ! 76: The resolution recorded in the header is always 400 pixels/inch, ! 77: even though it is possible manually to zoom to other resolutions.
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