Delila Program: truncround

truncround program

Documentation for the truncround program is below, with links to related programs in the "see also" section.

{   version = 1.01; (* of truncround.p 2010 Feb 06}

(* begin module describe.truncround *)
(*
name
   truncround: plot trunc and round functions

synopsis
   truncround(afile: in, truncroundp: in, xyin: out, output: out)

files

   afile:  not used

   xyin:  x and y columns of results

   truncroundp:  parameters to control the program.  The file must contain the
      following parameters, one per line:

      parameterversion: The version number of the program.  This allows the
         user to be warned if an old parameter file is used.

      xmin: minimum x value
      xmax: maximum x value
      yrd:  displacement for: y is the round of x
      ytd:  displacement for: y is the trunc of x
      yzd:  displacement for: x shift of round
      zxd:  x shift of round

   output: messages to the user

description

   Test trunc vs round functions.

   For xyin create three data sets:

     yt := trunc(x) + ytd; { trunc displaced vertically }
     yr := round(x) + yrd; { round displaced vertically }
     yz := round(x+zxd) - 1.0 + yzd; { round shifted horiz. and vertically }

   The program is used for testing the binning function of genhis.

examples

   truncroundp:

1.00  version of truncround that this parameter file is designed for.
-5.0  xmin
+5.0  xmax
-3.0  yrd
+3.0  ytd
 0.0  yzd
+0.5  zxd

   xyplop:

3 6       zerox zeroy         graph coordinate center
x -8 8     zx min max          (character, real, real) if zx='x' then set xaxis
y -8 8     zy min max          (character, real, real) if zy='y' then set yaxis
8 8   2 2 xinterval yinterval xsubintervals ysubintervals: axis intervals
8 8       xwidth    ywidth    width of numbers in characters
1 1       xdecimal  ydecimal  number of decimal places
15 15     xsize     ysize     size of axes in cm
x
y = trunc(x)+3; y = round(x)-3; y = round(x+0.5)-1;
c         zc                  'c' crosshairs, axXyYnN
n 2       zxl base            if zxl='l' then make x axis log to the given base
n 2       zyl base            if zyl='l' then make y axis log to the given base
          *********************************************************************
1 2       xcolumn   ycolumn   columns of xyin that determine plot location
0         symbol column       the xyin column to read symbols from
0  0      xscolumn  yscolumn  columns of xyin that determine the symbol size
0 0 0     hue saturation brightness   columns for color manipulation
          *********************************************************************
c         symbol-to-plot      c(circle)bd(dotted box)x+Ifgpr(rectangle)
0         symbol-flag         character in xyin that indicates that this symbol
0.15      symbol sizex        side in cm on the x axis of the symbol.
0.15      symbol sizey        as for the x axis, get size from yscolumn
nl 0.125  no connection (example for connection is c- 0.125 for dashed 0.125 cm)
n  0.125  linetype  size      linetype l.-in and size of dashes or dots
          *********************************************************************
.
          **** version 8.50 of xyplop: uses cm for distances
          **** more parameters
p 1.5 0.5 1.5 1.0 edgecontrol (p=page),edgeleft,edgeright,edgelow,edgehigh (cm)
9.00      version of xyplo that this parameter file is designed for.

documentation

see also

   genhis.p

author

   Thomas Dana Schneider

bugs

technical notes

*)
(* end module describe.truncround *)
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