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// TestAkima.cpp : Defines the entry point for the console application.
//
#include <iostream>
#include <fstream>
#include "TeTin.h"
#include "TeAsciiFile.h"
#include "TeGeometryAlgorithms.h"
#include "TeRaster.h"
#include "TeDefines.h"
//Read samples file in ASCII Spring format
void readSamplesFromSPRFile(TeSampleSet& sampleSet, const std::string& fileName)
{
TeAsciiFile pFile (fileName);
while (pFile.isNotAtEOF())
{
std::string geoId;
std::string repType = pFile.readString ();
pFile.findNewLine();
if (repType == "POINT3D")
{
geoId = pFile.readString ();
while ( pFile.isNotAtEOF() && geoId != "END" )
{
double x = atof ( geoId.c_str() );
geoId = pFile.readString ();
if ( pFile.isNotAtEOF() && geoId != "END" )
{
double y = atof ( geoId.c_str() );
geoId = pFile.readString ();
if ( pFile.isNotAtEOF() && geoId != "END" )
{
double z = atof ( geoId.c_str() );
sampleSet.add ( TeSample(TeCoord2D(x, y), z) );
geoId = pFile.readString ();
}
}
}
}
}
}
//Read contour lines file in ASCII Spring format
void readContoursFromSPRFile (TeContourLineSet& contourSet, const std::string& fileName)
{
TeAsciiFile pFile (fileName);
//cout.precision(6);
while (pFile.isNotAtEOF())
{
std::string geoId;
std::string repType = pFile.readString ();
pFile.findNewLine();
if (repType == "LINE3D")
{
geoId = pFile.readString ();
if (geoId == "HEIGHT")
{
geoId = pFile.readString ();
double z = atof ( geoId.c_str() );
//cout << z << endl;
TeLine2D line;
geoId = pFile.readString ();
while ( pFile.isNotAtEOF() && geoId != "END" )
{
double x = atof ( geoId.c_str() );
geoId = pFile.readString ();
if ( pFile.isNotAtEOF() && geoId != "END" )
{
double y = atof ( geoId.c_str() );
line.add ( TeCoord2D(x, y) );
//cout << x << " " << y << endl;
geoId = pFile.readString ();
}
}
//TeLineSimplify(TeLine2D& ptlist, double snap, double maxdist)
// TeLineSimplify(line, 10, 50);
TeContourLine cLine (line, z);
contourSet.add(cLine);
}
}
}
}
void writeTriangleEdgesSPRFile (const std::string& name, TeTin& tin)
{
fstream sprcfile;
sprcfile.open ( name.c_str(), ios::out );
sprcfile << "LINES" << "\n";
sprcfile << "INFO" << "\n";
sprcfile << "UNITS Metros" << "\n";
sprcfile << "INFO_END" << "\n";
sprcfile.precision(10);
TeTin::TeTinTriangleIterator ti;
for (ti = tin.triangleBegin(); ti != tin.triangleEnd(); ti++)
{
TeCoord2D pt[3];
tin.trianglePoints(*ti, pt[0], pt[1], pt[2]);
sprcfile << pt[0].x() << " " << pt[0].y() << " " << "\n";
sprcfile << pt[1].x() << " " << pt[1].y() << " " << "\n";
sprcfile << pt[2].x() << " " << pt[2].y() << " " << "\n";
sprcfile << pt[0].x() << " " << pt[0].y() << " " << "\n";
sprcfile << "END" << "\n";
}
sprcfile << "END" << "\n";
sprcfile.close ();
}
int main(int argc, char* argv[])
{
// 1. Read samples
// 1.1 Read XYZ samples from SPRING file
TeSampleSet samples;
readSamplesFromSPRFile( samples, "..\\data\\samples.spr" );
// 1.2 Read cntour lines from SPRING file
TeContourLineSet contours;
readContoursFromSPRFile( contours, "..\\data\\samples.spr" );
// 2. Create Original TIN
TeBox tinBox( samples.box() );
updateBox(tinBox, contours.box() );
TeTin tt;
tt.createInitialTriangles (tinBox);
// 2.1. Set precision used for building TIN
double tol = TePrecision::instance().precision(); // Save old precision
double tinPrecision = tinBox.width() / 1.e6; // 1.e6th of deltaX
TePrecision::instance().setPrecision(tinPrecision);
// 2.2. Insert samples in TIN
TeSampleSet::iterator si;
for (si = samples.begin(); si != samples.end(); si++)
{
double x = (*si).location().x();
double y = (*si).location().y();
double z = (*si).value();
tt.insertPoint (x, y, z);
}
TeContourLineSet::iterator ci;
for (ci = contours.begin(); ci != contours.end(); ci++)
{
TeContourLine line ( *ci );
//TeLineSimplify(TeLine2D& ptlist, double snap, double maxdist)
TeLineSimplify(line, tinPrecision*400., tinPrecision*2000);
double z = (*ci).value();
TeContourLine::iterator li;
for (li = line.begin(); li != line.end(); li++)
{
double x = (*li).x();
double y = (*li).y();
tt.insertPoint (x, y, z);
}
}
// 2.3. Fix edge triangles TIN
tt.convexize();
writeTriangleEdgesSPRFile (string("..\\data\\tin.spr" ), tt);
TePrecision::instance().setPrecision(tol);
return 0;
}
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