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Diffstat (limited to 'static/v10/man5/view2d.5')
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diff --git a/static/v10/man5/view2d.5 b/static/v10/man5/view2d.5 new file mode 100644 index 00000000..78aa3ddb --- /dev/null +++ b/static/v10/man5/view2d.5 @@ -0,0 +1,65 @@ +.TH VIEW2D 5 +.CT 1 graphics +.SH NAME +view2d \- movie of a function f(x, y, t) +.SH DESCRIPTION +Files of this format are produced by functions in +.IR view2d (3), +and displayed by commands in +.IR view2d (1). +A movie file consists of one or more frames, +each consisting of a header and a sequence +of 16-bit signed integer values for each +pixel, scanned left to right and bottom to top. +(Left-to-right is the inner loop.) +.PP +The header consists of the 32-bit magic number 0135246, +then eight 16-bit integers: +.TP +.I VER +The version number. +.TP +.I NX, NY +The number of pixels in the frame. +These may not vary from frame to frame. +.TP +.I u, v +relate pixel values +.I p +in the file to user function values +.I f +by +.IP +.I p += +.I u +\+ +.if t .I f\^\(mu2\u\-v\d. +.if n .IR f/ 2 **v. +.TP +.I FIXUV +normally 0; 1 if +.I u, v, PMIN, PMAX +of first frame +give a bound on the data in the entire file. +.TP +.I PMIN, PMAX +limits of the data; only used when +.IR FIXUV =1. +.LP +and finally a 16-byte +.SM ASCII +representation of a floating point value: +.TP +.I TIME +is a frame index, typically set to simulated time or +to an iteration counter. +This need not be uniformly spaced from frame to frame, +but should be nondecreasing. +.PP +The range of displayable pixel values is [\-32765,32765]. +Values below this range are deemed out of bounds +and not plotted; values above are reserved. +.SH "SEE ALSO" +.IR view2d (1), +.IR view2d (3) |