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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "gpx2navit_txt.h"
#include "projects.h"
#include "geodesic.h"
double getDistanceCore(char *p1, char *l1, char *p2, char *l2);
void checkEllpsUnit(char *unit);
double checkLengthUnit(char *unit);
int checkTimeUnit(char *unit);
double getTimeInterval(char *_t, char *t);
double getSpeed(double length, double ti, double to_meter, int to_sec);
double getDistance(double _x, double _y, double x, double y);
// todo void closeShpFiles(shphandles * shps);
// todo void closeDbfFiles(dbfhandles * dbfs);
void *myMallocRep(size_t size, const char *fileName, int line);
void checkEllpsUnit(char *unit)
{
/*
* checks ellipse unit can be used by proj4
*/
int isOK = 0;
struct PJ_ELLPS *el; /* project.h of proj4 */
for (el = pj_ellps; el->id; ++el) {
if (!strcmp(el->id, unit)) {
isOK = 1;
}
}
if (!isOK) {
fputs
("The ellipse argument is not correct or supported by libproj\n",
stderr);
fputs("You can choose the argument from a list below.\n\n",
stderr);
for (el = pj_ellps; el->id; el++) {
printf("%10s\t%s\n", el->id, el->name);
}
exit(ERR_ELLPSUNIT);
}
}
double checkLengthUnit(char *unit)
{
/*
* checks length unit can be used by proj4
* then returns unit value to meter
*/
int isOK = 0;
double to_meter = 0;
struct PJ_UNITS *ut; /* project.h of proj4 */
for (ut = pj_units; ut->id; ut++) {
if (!strcmp(ut->id, unit)) {
isOK = 1;
to_meter = atof(ut->to_meter);
}
}
if (!isOK) {
fputs
("The length unit argument is not correct or supported by libproj.\n",
stderr);
fputs("You can choose the argument from a list below.\n\n",
stderr);
for (ut = pj_units; ut->id; ut++) {
printf("%s\t%s\n", ut->id, ut->name);
}
exit(ERR_LENGTHUNIT);
}
return to_meter;
}
int checkTimeUnit(char *unit)
{
char *u[8] = { "sec", "s", "min", "m", "hour", "h", "day", "d" };
int p[8] = { 1, 1, 60, 60, 3600, 3600, 86400, 86400 };
int i, to_sec = 0;
for (i = 0; i < 8; i++) {
if (!strcmp(u[i], unit)) {
to_sec = p[i];
}
}
if (!to_sec) {
fputs("The time unit argument is not correct.\n", stderr);
fputs("You can choose the argument from sec, min, hour or day.\n",
stderr);
exit(ERR_TIMEUNIT);
}
return to_sec;
}
double getTimeInterval(char *_t, char *t)
{
/*
* Returns a time interval between _t and t.
* The arguments should be "YYYY-MM-DDThh:mm:ssZ" (xml schema
* datetime format without time zone) format.
*/
double ti;
struct tm _tt;
struct tm tt;
time_t _tmt, tmt;
memset(&_tt, 0, sizeof(_tt));
memset(&tt, 0, sizeof(tt));
sscanf(_t, "%d-%d-%dT%d:%d:%dZ", &_tt.tm_year, &_tt.tm_mon,
&_tt.tm_mday, &_tt.tm_hour, &_tt.tm_min, &_tt.tm_sec);
_tt.tm_year -= 1900;
_tt.tm_mon -= 1;
sscanf(t, "%d-%d-%dT%d:%d:%d", &tt.tm_year, &tt.tm_mon, &tt.tm_mday,
&tt.tm_hour, &tt.tm_min, &tt.tm_sec);
tt.tm_year -= 1900;
tt.tm_mon -= 1;
_tmt = mktime(&_tt);
tmt = mktime(&tt);
ti = difftime(tmt, _tmt);
return ti;
}
double getSpeed(double length, double ti, double to_meter, int to_sec)
{
/*
* Culculates speed from length and time.
*/
double speed;
if (!length || !ti)
speed = 0;
else
speed = (length / to_meter) / (ti / to_sec);
return speed;
}
double getDistanceCore(char *p1, char *l1, char *p2, char *l2)
{
/*
* Culculates a geodesic length between two points
* using geod_*.c
*/
phi1 = dmstor(p1, &p1);
lam1 = dmstor(l1, &l1);
phi2 = dmstor(p2, &p2);
lam2 = dmstor(l2, &l2);
geod_inv();
return geod_S;
}
double getDistance(double _x, double _y, double x, double y)
{
/*
* Culculates a geodesic length between two points
*/
double length;
char p1[17], l1[17], p2[17], l2[17];
sprintf(p1, "%f", _x);
sprintf(l1, "%f", _y);
sprintf(p2, "%f", x);
sprintf(l2, "%f", y);
length = getDistanceCore(p1, l1, p2, l2);
return length;
}
//todo void closeShpFiles(shphandles * shps)
//{
/*
* Closes all SHP files if they opened
*/
// if (shps->wpt)
// SHPClose(shps->wpt);
// if (shps->trk)
// SHPClose(shps->trk);
// if (shps->trk_edg)
// SHPClose(shps->trk_edg);
// if (shps->trk_pnt)
// SHPClose(shps->trk_pnt);
// if (shps->rte)
// SHPClose(shps->rte);
// if (shps->rte_edg)
// SHPClose(shps->rte_edg);
// if (shps->rte_pnt)
// SHPClose(shps->rte_pnt);
//}
//todo void closeDbfFiles(dbfhandles * dbfs)
//{
/*
* Closes all DBF files if they opened
*/
// if (dbfs->wpt)
// DBFClose(dbfs->wpt);
// if (dbfs->trk)
// DBFClose(dbfs->trk);
// if (dbfs->trk_edg)
// DBFClose(dbfs->trk_edg);
// if (dbfs->trk_pnt)
// DBFClose(dbfs->trk_pnt);
// if (dbfs->rte)
// DBFClose(dbfs->rte);
// if (dbfs->rte_edg)
// DBFClose(dbfs->rte_edg);
// if (dbfs->rte_pnt)
// DBFClose(dbfs->rte_pnt);
//}
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