GeoTessCPP  2.0.0
Software to facilitate storage and retrieval of 3D information about the Earth.
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include/GeoTessPolygonFactory.h
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00001 //- ****************************************************************************
00002 //- 
00003 //- Copyright 2009 Sandia Corporation. Under the terms of Contract
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00007 //- BSD Open Source License.
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00035 
00036 #ifndef POLYGONFACTORY_H_
00037 #define POLYGONFACTORY_H_
00038 
00039 // **** _SYSTEM INCLUDES_ ******************************************************
00040 
00041 #include <cstdio>
00042 #include <iostream>
00043 #include <iomanip>
00044 #include <vector>
00045 
00046 // use standard library objects
00047 using namespace std;
00048 
00049 // **** _LOCAL INCLUDES_ *******************************************************
00050 
00051 #include "CPPUtils.h"
00052 #include "GeoTessUtils.h"
00053 #include "GeoTessGreatCircle.h"
00054 #include "IFStreamAscii.h"
00055 
00056 // **** _BEGIN GEOTESS NAMESPACE_ **********************************************
00057 
00058 namespace geotess {
00059 
00060 // **** _FORWARD REFERENCES_ ***************************************************
00061 
00062 // **** _CLASS DEFINITION_ *****************************************************
00063 
00072 class GEOTESS_EXP_IMP GeoTessPolygonFactory
00073 {
00074 public:
00075 
00076         static GeoTessPolygon* getPolygon(string inputFileName)
00077         {
00078                 if (inputFileName.find(".kmz", inputFileName.length() - 4) != string::npos
00079                                 || inputFileName.find(".kml", inputFileName.length() - 4) != string::npos)
00080                 {
00081                         ostringstream os;
00082                         os << endl << "ERROR in Polygon::constructor" << endl
00083                                         << "Cannot read files in kml or kmz format (Google Earth)." << endl
00084                                         << "GeoTessExplorer has a utility to translate to ascii." << endl;
00085                         throw GeoTessException(os, __FILE__, __LINE__, 10201);
00086                 }
00087 
00088                 GeoTessPolygon* polygon = NULL;
00089 
00090                 vector<string> records;
00091 
00092                 IFStreamAscii input;
00093                 input.openForRead(inputFileName);
00094                 string line;
00095                 while (input.readLine(line))
00096                 {
00097                         line = CPPUtils::uppercase_string(CPPUtils::trim(line));
00098                         if (line.length() > 0 && line.find('#') != 0)
00099                                 records.push_back(line);
00100                 }
00101                 input.close();
00102 
00103                 if (records[0].find("POLYGON3D") == 0)
00104                 {
00105                         polygon = new GeoTessPolygon3D();
00106                         polygon->loadAscii(records);
00107                 }
00108                 else
00109                 {
00110                         polygon = new GeoTessPolygon();
00111                         polygon->loadAscii(records);
00112                 }
00113 
00114                 return polygon;
00115         }
00116 
00117 
00118 }; // end class PolygonFactory
00119 
00120 } // end namespace geotess
00121 
00122 #endif /* POLYGONFACTORY_H_ */