GeoTessCPP  2.2
Software to facilitate storage and retrieval of 3D information about the Earth.
GeoTessPolygonFactory.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 "GeoTessGreatCircle.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 GeoTessPolygon* 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  GeoTessPolygon* polygon = NULL;
89 
90  vector<string> records;
91 
92  IFStreamAscii input;
93  input.openForRead(inputFileName);
94  string line;
95  while (input.readLine(line))
96  {
97  line = CPPUtils::uppercase_string(CPPUtils::trim(line));
98  if (line.length() > 0 && line.find('#') != 0)
99  records.push_back(line);
100  }
101  input.close();
102 
103  if (records[0].find("POLYGON3D") == 0)
104  {
105  polygon = new GeoTessPolygon3D();
106  polygon->loadAscii(records);
107  }
108  else
109  {
110  polygon = new GeoTessPolygon();
111  polygon->loadAscii(records);
112  }
113 
114  return polygon;
115  }
116 
117 
118 }; // end class PolygonFactory
119 
120 } // end namespace geotess
121 
122 #endif /* POLYGONFACTORY_H_ */
Factory method with a static method getPolygon() that returns a pointer to either a Polygon or Polygo...
Definition: GeoTessPolygonFactory.h:72
bool readLine(string &ln)
Read a new line into ln from the stream.
An ordered list of points on the surface of a unit sphere that define a closed polygon.
Definition: GeoTessPolygon.h:111
void openForRead(const string &fn)
Open stream for read or write access.
static GeoTessPolygon * getPolygon(string inputFileName)
Definition: GeoTessPolygonFactory.h:76
Definition: ArrayReuse.h:55
void close()
Close the input stream if it is open.
Definition: IFStreamAscii.h:198
Extends Polygon by including information and constraints about the radial dimension.
Definition: GeoTessPolygon3D.h:114
An exception class for all GeoTess objects.
Definition: GeoTessException.h:65
Opens ascii file for read and write access.
Definition: IFStreamAscii.h:80
#define GEOTESS_EXP_IMP
Definition: CPPGlobals.h:71