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/*
* Copyright (C) 1998, 2000-2007, 2010, 2011, 2012, 2013 SINTEF ICT,
* Applied Mathematics, Norway.
*
* Contact information: E-mail: tor.dokken@sintef.no
* SINTEF ICT, Department of Applied Mathematics,
* P.O. Box 124 Blindern,
* 0314 Oslo, Norway.
*
* This file is part of SISL.
*
* SISL is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* SISL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with SISL. If not, see
* <http://www.gnu.org/licenses/>.
*
* In accordance with Section 7(b) of the GNU Affero General Public
* License, a covered work must retain the producer line in every data
* file that is created or manipulated using SISL.
*
* Other Usage
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the SISL library without
* disclosing the source code of your own applications.
*
* This file may be used in accordance with the terms contained in a
* written agreement between you and SINTEF ICT.
*/
#include <iostream>
#include <fstream>
#include <string>
#include <stdexcept>
#include <cstdlib>
#include "sisl.h"
#include "GoReadWrite.h"
using namespace std;
namespace {
string OUT_FILE_POINTS = "example2_points.g2";
string OUT_FILE_CURVE = "example2_curve.g2";
string DESCRIPTION =
"This program will generate a SISL spline curve object by \n"
"interpolating a set of given points. The parametrization \n"
"will be calculated automatically. No derivative \n"
"information is provided. The routine used is 's1356'. The \n"
"points will be written in Go-format to the file: \n'"
+ OUT_FILE_POINTS + "'. The resulting curve will be written \n"
"in Go-format to the file: '" + OUT_FILE_CURVE + "'\n";
const int num_points = 6;
const double cstartpar = 0;
int type[] = {1, 1, 1, 1, 1, 1};
double points[] = {0, 0, 0,
1, 1, 0,
2, -1, 0,
3, 0, 0,
4, 1, 1,
3, 0, 4};
}; // end anonymous namespace
//===========================================================================
int main(int avnum, char** vararg)
//===========================================================================
{
cout << '\n' << vararg[0] << ":\n" << DESCRIPTION << endl;
cout << "To proceed, press enter, or ^C to quit." << endl;
getchar();
try {
double cendpar;
SISLCurve* result_curve = 0;
double* gpar = 0;
int jnbpar;
int jstat;
s1356(points, // pointer to where the point coordinates are stored
num_points, // number of points to be interpolated
3, // the dimension
type, // what type of information is stored at a particular point
0, // no additional condition at start point
0, // no additional condition at end point
1, // open curve
4, // order of the spline curve to be produced
cstartpar, // parameter value to be used at start of curve
&cendpar, // parameter value at the end of the curve (to be determined)
&result_curve, // the resulting spline curve (to be determined)
&gpar, // pointer to the parameter values of the points in the curve
// (to be determined)
&jnbpar, // number of unique parameter values (to be determined)
&jstat); // status message
if (jstat < 0) {
throw runtime_error("Error occured inside call to SISL routine.");
} else if (jstat > 0) {
cerr << "WARNING: warning occured inside call to SISL routine. \n" << endl;
}
cout << "Total parameter interval of curve: [" << cstartpar << ", "
<< cendpar << "]\n\n";
cout << "Point parameter values was decided to be: \n";
for (int i = 0; i < num_points; ++i) {
cout << gpar[i] << ' ';
}
cout << endl;
ofstream os_points(OUT_FILE_POINTS.c_str());
ofstream os_curve(OUT_FILE_CURVE.c_str());
if (!os_points || !os_curve) {
throw runtime_error("Unable to open output file.");
}
// write result to file
writeGoPoints(num_points, points, os_points);
writeGoCurve(result_curve, os_curve);
// cleaning up
freeCurve(result_curve);
free(gpar);
os_points.close();
os_curve.close();
} catch (exception& e) {
cerr << "Exception thrown: " << e.what() << endl;
return 0;
}
return 1;
};
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