]> git.mxchange.org Git - flightgear.git/blob - src/FDM/UIUCModel/uiuc_2DdataFileReader.cpp
Fix for bug 1304 - crash loading XML route
[flightgear.git] / src / FDM / UIUCModel / uiuc_2DdataFileReader.cpp
1 /**********************************************************************
2
3  FILENAME:     uiuc_2DdataFileReader.cpp
4
5 ----------------------------------------------------------------------
6
7  DESCRIPTION:  Reads name of data file to be opened and reads data 
8                into appropriate arrays or matrices
9
10 ----------------------------------------------------------------------
11
12  STATUS:       alpha version
13
14 ----------------------------------------------------------------------
15
16  REFERENCES:   
17
18 ----------------------------------------------------------------------
19
20  HISTORY:      02/29/2000   initial release
21                10/25/2001   (RD) Modified so that it recognizes a
22                             blank line
23                06/30/2003   (RD) replaced istrstream with istringstream
24                             to get rid of the annoying warning about
25                             using the strstream header
26
27 ----------------------------------------------------------------------
28
29  AUTHOR(S):    Jeff Scott         <jscott@mail.com>
30                Robert Deters      <rdeters@uiuc.edu>
31
32 ----------------------------------------------------------------------
33
34  VARIABLES:
35
36 ----------------------------------------------------------------------
37
38  INPUTS:       -2D file name
39                -conversion factor for x data
40                -conversion factor for y data
41                -conversion factor for z data
42
43 ----------------------------------------------------------------------
44
45  OUTPUTS:      -2D array of x data for each y case
46                -1D array of y data
47                -2D array of z data for each y case
48                -1D array of max number of x-z data sets for each y case
49                -max number of y data sets
50
51 ----------------------------------------------------------------------
52
53  CALLED BY:    uiuc_menu.cpp
54
55 ----------------------------------------------------------------------
56
57  CALLS TO:     specified 2D data file
58
59 ----------------------------------------------------------------------
60
61  COPYRIGHT:    (C) 2000 by Michael Selig
62
63  This program is free software; you can redistribute it and/or
64  modify it under the terms of the GNU General Public License
65  as published by the Free Software Foundation.
66
67  This program is distributed in the hope that it will be useful,
68  but WITHOUT ANY WARRANTY; without even the implied warranty of
69  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
70  GNU General Public License for more details.
71
72  You should have received a copy of the GNU General Public License
73  along with this program; if not, write to the Free Software
74  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
75
76 **********************************************************************/
77
78 #include "uiuc_2DdataFileReader.h"
79
80
81 void uiuc_2DdataFileReader( string file_name, 
82                             double x[100][100], 
83                             double y[100], 
84                             double z[100][100], 
85                             int xmax[100], 
86                             int &ymax)
87 {
88   ParseFile *matrix;
89   double token_value1;
90   double token_value2;
91   int counter_y = 1, counter_x = 1;
92   string linetoken1;
93   string linetoken2;
94
95   stack command_list;
96
97   /* Read the file and get the list of commands */
98   matrix = new ParseFile(file_name);
99   command_list = matrix -> getCommands();
100
101   for (LIST command_line = command_list.begin(); command_line!=command_list.end(); ++command_line)
102     {
103       linetoken1 = matrix -> getToken(*command_line, 1); // gettoken(string,tokenNo);
104       linetoken2 = matrix -> getToken(*command_line, 2); // 2 represents token No 2
105
106       istringstream token1(linetoken1.c_str());
107       istringstream token2(linetoken2.c_str());
108
109       //reset token_value1 and token_value2 for first if statement
110       token_value1 = -999;
111       token_value2 = -999;
112
113       token1 >> token_value1;
114       token2 >> token_value2;
115
116       //chenk to see if it is a blank line
117       if (token_value1==-999 && token_value2==-999);
118       //check to see if only one value on line (token2 blank)
119       else if (token_value2 == -999)
120         {
121           y[counter_y] = token_value1 * convert_y;
122
123           ymax = counter_y;
124           counter_y++;
125           counter_x = 1;
126         }
127       else
128         {
129           x[counter_y-1][counter_x] = token_value1 * convert_x;
130           z[counter_y-1][counter_x] = token_value2 * convert_z;
131
132           xmax[counter_y-1] = counter_x;
133           counter_x++;
134         }
135     }
136   delete matrix;
137   return;
138 }
139
140 // end uiuc_2DdataFileReader.cpp