GeoTessCPP  2.0.0
Software to facilitate storage and retrieval of 3D information about the Earth.
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PolygonFactory.h
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35 
36 #ifndef POLYGONFACTORY_H_
37 #define POLYGONFACTORY_H_
38 
39 // **** _SYSTEM INCLUDES_ ******************************************************
40 
41 #include <cstdio>
42 #include <iostream>
43 #include <iomanip>
44 #include <vector>
45 
46 // use standard library objects
47 using namespace std;
48 
49 // **** _LOCAL INCLUDES_ *******************************************************
50 
51 #include "CPPUtils.h"
52 #include "GeoTessUtils.h"
53 #include "GreatCircle.h"
54 #include "IFStreamAscii.h"
55 
56 // **** _BEGIN GEOTESS NAMESPACE_ **********************************************
57 
58 namespace geotess {
59 
60 // **** _FORWARD REFERENCES_ ***************************************************
61 
62 // **** _CLASS DEFINITION_ *****************************************************
63 
73 {
74 public:
75 
76  static Polygon* getPolygon(string inputFileName)
77  {
78  if (inputFileName.find(".kmz", inputFileName.length() - 4) != string::npos
79  || inputFileName.find(".kml", inputFileName.length() - 4) != string::npos)
80  {
81  ostringstream os;
82  os << endl << "ERROR in Polygon::constructor" << endl
83  << "Cannot read files in kml or kmz format (Google Earth)." << endl
84  << "GeoTessExplorer has a utility to translate to ascii." << endl;
85  throw GeoTessException(os, __FILE__, __LINE__, 10201);
86  }
87 
88  Polygon* polygon = NULL;
89 
90  IFStreamAscii input;
91  input.openForRead(inputFileName);
92  string line;
93  input.readLine(line);
94  line = CPPUtils::uppercase_string(line);
95  if (line.find("POLYGON3D") == 0)
96  {
97  polygon = new Polygon3D();
98  polygon->loadAscii(input);
99  }
100  else if (line.find("POLYGON") == 0)
101  {
102  polygon = new Polygon();
103  polygon->loadAscii(input);
104  }
105  else
106  {
107  ostringstream os;
108  os << endl << "ERROR in PolygonFactory::getPolygon()" << endl
109  << "Expecting file to to start with string 'POLYGON3D' or 'POLYGON' but first line is" << endl
110  << line << endl;
111  throw GeoTessException(os, __FILE__, __LINE__, 10202);
112  }
113 
114  input.close();
115 
116  return polygon;
117  }
118 
119 
120 }; // end class PolygonFactory
121 
122 } // end namespace geotess
123 
124 #endif /* POLYGONFACTORY_H_ */