qDF/CoordSysBuilder.cpp at master · tvrusso/qDF · GitHub

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
180
#include "CoordSysBuilder.hpp"
#include <Util_Misc.hpp>
#include <sstream>

  CoordSysBuilder::CoordSysBuilder()
  {
    std::vector<std::string> temp;
    std::vector<std::string> coordNames;

    temp.clear();
    temp.resize(2);
    coordNames.resize(2);
    coordNames[0] = "Longitude";
    coordNames[1] = "Latitude";
    temp[0] = "proj=latlong";
    temp[1] = "datum=WGS84";
    CSMap_["WGS84 Lat/Lon"] = CoordSys("WGS84 Lat/Lon",temp,coordNames,false);

    temp.clear();
    temp.resize(2);
    temp[0] = "proj=latlong";
    temp[1] = "datum=NAD27";
    coordNames[0] = "Longitude";
    coordNames[1] = "Latitude";

    CSMap_["NAD27 Lat/Lon"] =  CoordSys("NAD27 Lat/Lon",temp,coordNames,false);

    // comment this out for now, we're not ready to support it upstream
#if 0
    temp.clear();
    temp.resize(2);
    coordNames.resize(2);
    coordNames[0] = "Easting";
    coordNames[1] = "Northing";
    temp[0] = "proj=utm";
    temp[1] = "datum=WGS84";
    CSMap_["WGS84 UTM"] = CoordSys("WGS 84 UTM",temp,coordNames,true);
#endif

  }

  CoordSys CoordSysBuilder::getCoordSys(const std::string & csname) const
  {
    std::map<std::string,CoordSys>::const_iterator foo;
    std::map<std::string,CoordSys>::const_iterator theEnd=CSMap_.end();

    foo=CSMap_.find(csname);
    if (foo == theEnd)
      throw(DFLib::Util::Exception("Coordinate system not found in map"));

    return((*foo).second);
  }

  CoordSys CoordSysBuilder::getCoordSys(const QString & csname)  const
  {
    return(getCoordSys(csname.toStdString()));
  }

  std::vector<std::string> CoordSysBuilder::getSupportedCoordSys() const
  {

    std::vector<std::string> foo;
    std::map<std::string,CoordSys >::const_iterator start=CSMap_.begin();
    std::map<std::string,CoordSys >::const_iterator finish=CSMap_.end();
    std::map<std::string,CoordSys >::const_iterator current;

    for ( current=start; current != finish; current++)
    {
      foo.push_back(current->first);
    }
    return (foo);

  }

  QList<QString> CoordSysBuilder::qGetSupportedCoordSys() const
  {
    QList<QString> theList;
    std::map<std::string,CoordSys >::const_iterator start=CSMap_.begin();
    std::map<std::string,CoordSys >::const_iterator finish=CSMap_.end();
    std::map<std::string,CoordSys >::const_iterator current;

    for ( current=start; current != finish; current++)
    {
      theList.append(QString::fromStdString((current->first)));
    }
    return (theList);
  }

  CoordSys::CoordSys()
    : csName_("unknown"),
      zone_(-1)
  {
    proj4Params_.clear();
    coordinateNames_.clear();
  }

  CoordSys::CoordSys(QString n, std::vector<std::string> & p4P,
                     std::vector<std::string> & cN, bool zR, int z)
    :csName_(n),
     proj4Params_(p4P),
     coordinateNames_(cN),
     zoneRequired_(zR),
     zone_(z)
  {
  }
  // Copy constructor
  CoordSys::CoordSys(const CoordSys & right)
    : csName_(right.csName_),
      proj4Params_(right.proj4Params_),
      coordinateNames_(right.coordinateNames_),
      zoneRequired_(right.zoneRequired_),
      zone_(right.zone_)
  {
  }

  // assignment operator:
  CoordSys& CoordSys::operator=(const CoordSys & rhs)
  {

    // if the same object (same address) is on both sides of the assignment,
    // do nothing.

    if (this == &rhs)
      return *this;

    csName_=rhs.csName_;
    proj4Params_=rhs.proj4Params_;
    coordinateNames_=rhs.coordinateNames_;
    zoneRequired_=rhs.zoneRequired_;
    zone_=rhs.zone_;

    return *this;
  }

  QString CoordSys::getBaseName() const
  {
    return (csName_);
  }

  QString CoordSys::getName() const
  {
    std::ostringstream returnName;
    returnName << csName_.toStdString();

    if (zoneRequired_)
    {
      if (zone_ == -1)
      {
        returnName << " Zone Not Set";
      }
      else
      {
        returnName << " Zone " << zone_;
      }
    }
    return (QString::fromStdString(returnName.str()));
  }

  void CoordSys::setZone(int z)
  {
    std::ostringstream zoneString;
    zoneString << "zone=" << z;

    if (zone_ == -1)  // never been set
    {
      proj4Params_.push_back(zoneString.str());
    }
    else // we already have one, find it and replace
    {
      for (int i=0;i<proj4Params_.size(); i++)
      {
        size_t found=proj4Params_[i].find("zone=");
        if (found != std::string::npos)
        {
          proj4Params_[i] = zoneString.str();
        }
      }
    }
    zone_=z;
  }