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
|
//---------------------------------------------------------------------------//
// $Id: x12.cc,v 1.5 2004/03/03 17:41:16 andrewross Exp $
//---------------------------------------------------------------------------//
//
//---------------------------------------------------------------------------//
// Copyright (C) 2004 Andrew Ross <andrewr@coriolis.greenend.org.uk>
// Copyright (C) 2004 Alan W. Irwin
//
// This file is part of PLplot.
//
// PLplot is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// PLplot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with PLplot; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//---------------------------------------------------------------------------//
//
//---------------------------------------------------------------------------//
// Implementation of PLplot example 12 in C++.
//---------------------------------------------------------------------------//
#include "plstream.h"
#include <iostream>
#include <cmath>
#ifdef USE_NAMESPACE
using namespace std;
#endif
class x12 {
public:
x12(int, char**);
void plfbox(PLFLT, PLFLT);
private:
plstream *pls;
static const PLFLT y0[];
};
const PLFLT x12::y0[10] = {5., 15., 12., 24., 28., 30., 20., 8., 12., 3.};
x12::x12( int argc, char **argv ) {
int i;
char string[20];
pls = new plstream();
// Parse and process command line arguments.
pls->ParseOpts( &argc, argv, PL_PARSE_FULL );
// Initialize plplot.
pls->init();
pls->adv(0);
pls->vsta();
pls->wind(1980.0, 1990.0, 0.0, 35.0);
pls->box("bc", 1.0, 0, "bcnv", 10.0, 0);
pls->col0(2);
pls->lab("Year", "Widget Sales (millions)", "#frPLplot Example 12");
for (i = 0; i < 10; i++) {
pls->col0(i + 1);
// pls->col1((PLFLT) ((i + 1)/10.0));
pls->psty(0);
plfbox((1980. + i), y0[i]);
sprintf(string, "%.0f", y0[i]);
pls->ptex((1980. + i + .5), (y0[i] + 1.), 1.0, 0.0, .5, string);
sprintf(string, "%d", 1980 + i);
pls->mtex("b", 1.0, ((i + 1) * .1 - .05), 0.5, string);
}
//pls->end();
delete pls;
}
void x12::plfbox(PLFLT x0, PLFLT y0) {
PLFLT *x = new PLFLT[4];
PLFLT *y = new PLFLT[4];
x[0] = x0;
y[0] = 0.;
x[1] = x0;
y[1] = y0;
x[2] = x0 + 1.;
y[2] = y0;
x[3] = x0 + 1.;
y[3] = 0.;
pls->fill(4, x, y);
pls->col0(1);
pls->lsty(1);
pls->line(4, x, y);
delete[] x;
delete[] y;
}
int main( int argc, char **argv )
{
x12 *x = new x12( argc, argv );
delete x;
}
//---------------------------------------------------------------------------//
// End of x12.cc
//---------------------------------------------------------------------------//
|
