/usr/share/octave/packages/io-2.4.0/pch2mat.m is in octave-io 2.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | %% Copyright (C) 2011, Bilen Oytun Peksel <oytun.peksel@gmail.com>
%% All rights reserved.
%%
%% Redistribution and use in source and binary forms, with or without
%% modification, are permitted provided that the following conditions are met:
%%
%% 1 Redistributions of source code must retain the above copyright notice,
%% this list of conditions and the following disclaimer.
%% 2 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.
%%
%% 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 AUTHOR 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.
%% -*- texinfo -*-
%% @deftypefn {Function File} {@var{data} =} pch2mat (@var{filename})
%% Converts NASTRAN PCH file (SORT2) to a data structure and frequency vector. A
%% filename as a string is the only needed input.
%%
%% The output is in the form of struct. containing a freq vector n x 1 called
%% data.f, and the remaining data are in the form of subcases, point ids
%% and directions respectively. for ex. data.S1.p254686.x and they are n x 2
%%
%% @end deftypefn
function [data] = pch2mat(filename);
%% Open the file and read the file line by line to form a line character array
fid = fopen(filename);
l = 1;
while (~feof(fid))
raw{l} = fgets(fid);
l = l + 1;
end
%% Determine Freq_count and number of lines for each case
a = find (strcmp ('$TITLE',raw));
lines = a(2) -a(1); %number of lines on each subcase and related point id
freq_count = (lines-7)/4;
%% Read from array
C = length(raw) / lines; %number of subcase and related point id
for k = 1 : C; %looping through every case
scase = char(raw{(k-1) * lines + 3}(12:16));
scase = genvarname(scase);
pid = char(raw{(k-1) * lines + 7}(16:25));
pid = genvarname(['p' pid]);
if (k==1)
data.f = zeros(freq_count,1);
end;
data.(scase).(pid).x = zeros(freq_count,2);
data.(scase).(pid).y = zeros(freq_count,2);
data.(scase).(pid).z = zeros(freq_count,2);
data.(scase).(pid).r1 = zeros(freq_count,2);
data.(scase).(pid).r2 = zeros(freq_count,2);
data.(scase).(pid).r3 = zeros(freq_count,2);
i = (k-1) * lines + 8 ;
j = 0;
while( i <= (lines * k)) %loop for each case
j=j+1;
if (k==1)
data.f(j) = str2double(raw{i}(5:17));
end
data.(scase).(pid).x(j,1) = str2double(raw{i}(25:37));
data.(scase).(pid).y(j,1) = str2double(raw{i}(43:55));
data.(scase).(pid).z(j,1) = str2double(raw{i}(61:73));
i=i+1;
data.(scase).(pid).r1(j,1) = str2double(raw{i}(25:37));
data.(scase).(pid).r2(j,1) = str2double(raw{i}(43:55));
data.(scase).(pid).r3(j,1) = str2double(raw{i}(61:73));
i=i+1;
data.(scase).(pid).x(j,2) = str2double(raw{i}(25:37));
data.(scase).(pid).y(j,2) = str2double(raw{i}(43:55));
data.(scase).(pid).z(j,2) = str2double(raw{i}(61:73));
i=i+1;
data.(scase).(pid).r1(j,2) = str2double(raw{i}(25:37));
data.(scase).(pid).r2(j,2) = str2double(raw{i}(43:55));
data.(scase).(pid).r3(j,2) = str2double(raw{i}(61:73));
i=i+1;
end
end
end
|