1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
\documentclass{article}
\usepackage{open-axiom}
\begin{document}
\title{\$SPAD/src/algebra plottool.spad}
\author{The Axiom Team}
\maketitle
\begin{abstract}
\end{abstract}
\eject
\tableofcontents
\eject
\section{package PLOTTOOL PlotTools}
<<package PLOTTOOL PlotTools>>=
)abbrev package PLOTTOOL PlotTools
++ Author:
++ Date Created:
++ Date Last Updated:
++ Keywords:
++ Examples:
++ References:
++ Description:
++ This package exports plotting tools
PlotTools(): Exports == Implementation where
L ==> List
-- Pt ==> TwoDimensionalPoint
SEG ==> Segment
SF ==> DoubleFloat
Pt ==> Point(SF)
PLOT ==> Plot
DROP ==> DrawOption
S ==> String
VIEW2D ==> TwoDimensionalViewport
Exports ==> with
calcRanges: L L Pt -> L SEG SF
++ calcRanges(l) \undocumented
Implementation ==> add
import GraphicsDefaults
import PLOT
import TwoDimensionalPlotClipping
import DrawOptionFunctions0
import ViewportPackage
import POINT
import PointPackage(SF)
--%Local functions
xRange0: L Pt -> SEG SF
xRange: L L Pt -> SEG SF
yRange0: L Pt -> SEG SF
yRange: L L Pt -> SEG SF
drawToScaleRanges: (SEG SF,SEG SF) -> L SEG SF
drawToScaleRanges(xVals,yVals) ==
xDiff := (xHi := hi xVals) - (xLo := lo xVals)
yDiff := (yHi := hi yVals) - (yLo := lo yVals)
pad := abs(yDiff - xDiff)/2
yDiff > xDiff => [segment(xLo - pad,xHi + pad),yVals]
[xVals,segment(yLo - pad,yHi + pad)]
select : (L Pt,Pt -> SF,(SF,SF) -> SF) -> SF
select(l,f,g) ==
m := f first l
for p in rest l repeat m := g(m,f p)
m
xRange0(list:L Pt) == select(list,xCoord,min) .. select(list,xCoord,max)
yRange0(list:L Pt) == select(list,yCoord,min) .. select(list,yCoord,max)
select2: (L L Pt,L Pt -> SF,(SF,SF) -> SF) -> SF
select2(l,f,g) ==
m := f first l
for p in rest l repeat m := g(m,f p)
m
xRange(list:L L Pt) ==
select2(list,lo(xRange0(#1)),min) .. select2(list,hi(xRange0(#1)),max)
yRange(list:L L Pt) ==
select2(list,lo(yRange0(#1)),min) .. select2(list,hi(yRange0(#1)),max)
--%Exported Functions
calcRanges(llp) ==
drawToScale() => drawToScaleRanges(xRange llp, yRange llp)
[xRange llp, yRange llp]
@
\section{License}
<<license>>=
--Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
--All rights reserved.
--
--Redistribution and use in source and binary forms, with or without
--modification, are permitted provided that the following conditions are
--met:
--
-- - Redistributions of source code must retain the above copyright
-- notice, this list of conditions and the following disclaimer.
--
-- - Redistributions in binary form must reproduce the above copyright
-- notice, this list of conditions and the following disclaimer in
-- the documentation and/or other materials provided with the
-- distribution.
--
-- - Neither the name of The Numerical ALgorithms Group Ltd. nor the
-- names of its contributors may be used to endorse or promote products
-- derived from this software without specific prior written permission.
--
--THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
--IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
--TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
--PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
--OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
--EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
--PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
--PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
--LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
--NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
--SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
@
<<*>>=
<<license>>
<<package PLOTTOOL PlotTools>>
@
\eject
\begin{thebibliography}{99}
\bibitem{1} nothing
\end{thebibliography}
\end{document}
|
