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Added support for prime meridians and angular units to GCS

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This commit is contained in:
Martin Tůma
2018-01-20 20:13:56 +01:00
parent e9ef68a81c
commit 1739625896
38 changed files with 886 additions and 773 deletions
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59
src/map/ellipsoid.cpp
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@ -1,77 +1,74 @@
#include <QFile>
#include <QDebug>
#include "common/wgs84.h"
#include "ellipsoid.h"
QMap<int, Ellipsoid> Ellipsoid::_ellipsoids;
QString Ellipsoid::_errorString;
int Ellipsoid::_errorLine = 0;
QMap<int, Ellipsoid> Ellipsoid::_ellipsoids = WGS84();
Ellipsoid::Ellipsoid(int id)
QMap<int, Ellipsoid> Ellipsoid::WGS84()
{
QMap<int, Ellipsoid> map;
map.insert(7030, Ellipsoid(WGS84_RADIUS, WGS84_FLATTENING));
return map;
}
const Ellipsoid *Ellipsoid::ellipsoid(int id)
{
QMap<int, Ellipsoid>::const_iterator it = _ellipsoids.find(id);
if (it == _ellipsoids.end())
*this = Ellipsoid();
return 0;
else
*this = it.value();
return &(it.value());
}
void Ellipsoid::error(const QString &str)
{
_errorString = str;
_ellipsoids.clear();
}
bool Ellipsoid::loadList(const QString &path)
void Ellipsoid::loadList(const QString &path)
{
QFile file(path);
bool res;
int ln = 0;
if (!file.open(QFile::ReadOnly)) {
error(file.errorString());
return false;
qWarning("Error opening ellipsoids file: %s: %s", qPrintable(path),
qPrintable(file.errorString()));
return;
}
_errorLine = 1;
_errorString.clear();
while (!file.atEnd()) {
ln++;
QByteArray line = file.readLine();
QList<QByteArray> list = line.split(',');
if (list.size() != 4) {
error("Format error");
return false;
qWarning("%s: %d: Format error", qPrintable(path), ln);
continue;
}
int id = list[1].trimmed().toInt(&res);
if (!res) {
error("Invalid ellipsoid id");
return false;
qWarning("%s: %d: Invalid ellipsoid code", qPrintable(path), ln);
continue;
}
double radius = list[2].trimmed().toDouble(&res);
if (!res) {
error("Invalid ellipsoid radius");
return false;
qWarning("%s: %d: Invalid radius", qPrintable(path), ln);
continue;
}
double flattening = list[3].trimmed().toDouble(&res);
if (!res) {
error("Invalid ellipsoid flattening");
return false;
qWarning("%s: %d: Invalid flattening", qPrintable(path), ln);
continue;
}
Ellipsoid e(radius, 1.0/flattening);
_ellipsoids.insert(id, e);
_errorLine++;
}
return true;
}
QDebug operator<<(QDebug dbg, const Ellipsoid &ellipsoid)
{
dbg.nospace() << "Ellipsoid(" << ellipsoid.radius() << ", "
<< 1.0 / ellipsoid.flattening() << ")";
return dbg.space();
return dbg.maybeSpace();
}