stuffy_stuff/shp_2_txt.cpp

/*
http://shapelib.maptools.org/dbf_api.html

basic funtionality taken from dbfdump.c
path to libshp.dll has to be added as a PATH var

*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iostream>
#include <fstream>

using namespace std;

#include "shapefil.h"

int main(int argc, char const *argv[])
{    
    DBFHandle dbfh;
    int        i, iRecord;
    char    *pszFilename = NULL;
    int        nWidth, nDecimals;
    char    szTitle[12];
    string filename = "f:\\testing\\shp_2_txt\\MA.dbf";

    // open textfile and dbf handle
    ofstream txt_file("out.txt");
    dbfh = DBFOpen(filename.c_str(), "rb");

    // check 
    if (dbfh <= 0)
    {
        throw string("File " + filename + " not found");
    }
    else
    {
        // loop over dbf records 
        for( iRecord = 0; iRecord < DBFGetRecordCount(dbfh); iRecord++ )
        {
            // loop over fields of record
            for( i = 0; i < DBFGetFieldCount(dbfh); i++ )
            {
                DBFFieldType    eType;
                eType = DBFGetFieldInfo( dbfh, i, szTitle, &nWidth, &nDecimals );
                string dec_lat = "DEC_LAT";
                string dec_lon = "DEC_LON";
                string ellip_h = "ELLIP_HT";
                string ortho_h = "ORTHO_HT";
                string str(szTitle);
                string line;

                // parse for lat, lon in degrees and orhto height
                if (szTitle == dec_lat or szTitle == dec_lon  or szTitle == ortho_h)
                {
                    txt_file << DBFReadStringAttribute( dbfh, iRecord, i );
                    txt_file << " ";
                }
            }
            txt_file << endl;
           }
        // close dbf handle and textfile
        DBFClose( dbfh );
        txt_file.close();
    }

    return 0;
}