GeoTessCPP: include/GeoTessPolygonFactory.h Source File

GeoTessCPP 2.1 Software to facilitate storage and retrieval of 3D information about the Earth.

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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
72 class GEOTESS_EXP_IMP GeoTessPolygonFactory
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_ */