File: fileio_asc.cpp

package info (click to toggle)
odin 2.0.5-8
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 9,196 kB
  • sloc: cpp: 62,638; sh: 4,541; makefile: 779
file content (179 lines) | stat: -rw-r--r-- 5,757 bytes parent folder | download | duplicates (5)
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
#include "fileio.h"

//////////////////////////////////////////////////////////////

struct AsciiFormat : public FileFormat {
  STD_string description() const {return "ASCII";}
  svector suffix() const  {
    svector result; result.resize(1);
    result[0]="asc";
    return result;
  }
  svector dialects() const {
    svector result; result.resize(1);
    result[0]="tcourse";
    return result;
  }
  int read(Data<float,4>& data, const STD_string& filename, const FileReadOpts& opts, Protocol& prot) {
    STD_string ascfile;
    if(::load(ascfile,filename)<0) return -1;
    unsigned int nelements=tokens(ascfile).size();
    if(tolowerstr(opts.dialect)=="tcourse") data.resize(nelements,1,1,1);
    else                                    data.resize(1,nelements,1,1);
    if(data.read_asc_file(filename)<0) return -1;
    return nelements;
  }
  int write(const Data<float,4>& data, const STD_string& filename, const FileWriteOpts&, const Protocol& prot) {
    return data.write_asc_file(filename);
  }
};

//////////////////////////////////////////////////////////////
struct MatlabAsciiFormat : public FileFormat {
  STD_string description() const {return "Matlab ascii 2D data matrix";}
  svector suffix() const  {
    svector result; result.resize(1);
    result[0]="dat";
    return result;
  }
  svector dialects() const {return svector();}

  int read(Data<float,4>& data, const STD_string& filename, const FileReadOpts& opts, Protocol& prot) {
    STD_string str;
    if(::load(str, filename)<0) return -1;
    sarray table(parse_table(str));
    int nrows=table.size(0);
    int ncols=table.size(1);
    data.resize(1,1,nrows,ncols);
    for(int irow=0; irow<nrows; irow++) {
      for(int icol=0; icol<ncols; icol++) {
        data(0,0,irow,icol)=atof(table(irow,icol).c_str());
      }
    }
    return 1;
  }

  int write(const Data<float,4>& data, const STD_string& filename, const FileWriteOpts&, const Protocol& prot) {
    int nrows=data.extent(2);
    int ncols=data.extent(3);
    sarray table(nrows,ncols);
    for(int irow=0; irow<nrows; irow++) {
      for(int icol=0; icol<ncols; icol++) {
        table(irow,icol)=ftos(data(0,0,irow,icol));
      }
    }
    if(::write(print_table(table), filename)<0) return -1;
    return 1;
  }

};

//////////////////////////////////////////////////////////////

struct PosFormat : public FileFormat {
  STD_string description() const {return "x-y positions of non-zeroes in ASCII";}
  svector suffix() const  {
    svector result; result.resize(1);
    result[0]="pos";
    return result;
  }
  svector dialects() const {return svector();}

  int read(Data<float,4>& data, const STD_string& filename, const FileReadOpts& opts, Protocol& prot) {
    Log<FileIO> odinlog("PosFormat","read");
    ODINLOG(odinlog,errorLog) << "Implement me" << STD_endl;
    return -1;
  }
  int write(const Data<float,4>& data, const STD_string& filename, const FileWriteOpts&, const Protocol& prot) {
    int nx=data.extent(3);
    int ny=data.extent(2);
    STD_ofstream ofs(filename.c_str());
    if(ofs.bad()) return -1;
    for(unsigned int i=0; i<data.numElements(); i++) {
      TinyVector<int,4> index=data.create_index(i);
      if(data(index)>0.0) {
        int ix=index(3);
        int iy=index(2);
        ofs << ftos(float(ix)/float(nx)-0.5) << " " << ftos(float(iy)/float(ny)-0.5) << STD_endl;
      }
    }
    return 1;
  }
};

//////////////////////////////////////////////////////////////

struct IndexFormat : public FileFormat {
  STD_string description() const {return "3D-indices of non-zeroes in ASCII";}
  svector suffix() const  {
    svector result; result.resize(1);
    result[0]="idx";
    return result;
  }
  svector dialects() const {
    svector result; result.resize(1);
    result[0]="addval";
    return result;
  }

  int read(Data<float,4>& data, const STD_string& filename, const FileReadOpts& opts, Protocol& prot) {
    Log<FileIO> odinlog("IndexFormat","read");
    int nx=prot.seqpars.get_MatrixSize(readDirection);
    int ny=prot.seqpars.get_MatrixSize(phaseDirection);
    int nz=prot.seqpars.get_MatrixSize(sliceDirection);
    ODINLOG(odinlog,normalDebug) << "nz/ny/nx=" << nz << "/" << ny << "/" << nx << STD_endl;

    data.resize(1,nz,ny,nx);
    data=0.0;

    STD_ifstream ifs(filename.c_str());
    if(ifs.bad()) return -1;

    STD_string oneline;
    while (std::getline (ifs, oneline)) {
      svector toks=tokens(oneline);
      int ntoks=toks.size();
      ODINLOG(odinlog,normalDebug) << "ntoks=" << ntoks << STD_endl;
      if(ntoks>=3 && ntoks<=4) {
        int ix=atoi(toks[ntoks-1].c_str());
        int iy=atoi(toks[ntoks-2].c_str());
        int iz=atoi(toks[ntoks-3].c_str());
        if(ix>=0 && ix<nx && iy>=0 && iy<ny && iz>=0 && iz<nz) {
          if(ntoks==4) data(0,iz,iy,ix)=atof((toks[0].c_str()));
          else data(0,iz,iy,ix)=1.0;
        }
      }
    }

    ifs.close();
    return 1;
  }

  int write(const Data<float,4>& data, const STD_string& filename, const FileWriteOpts& opts, const Protocol& prot) {
    STD_ofstream ofs(filename.c_str());
    if(ofs.bad()) return -1;
    bool addval=(opts.dialect=="addval");
    for(unsigned int i=0; i<data.numElements(); i++) {
      TinyVector<int,4> index=data.create_index(i);
      if(data(index)) {
        if(addval) ofs << data(index) << " ";
        ofs << index(sliceDim) << " " << index(phaseDim) << " " << index(readDim) << STD_endl;
      }
    }
    return 1;
  }
};

//////////////////////////////////////////////////////////////

void register_asc_format() {
  static AsciiFormat af;
  static PosFormat pf;
  static IndexFormat idf;
  static MatlabAsciiFormat mf;
  af.register_format();
  pf.register_format();
  idf.register_format();
  mf.register_format();
}