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Rather read the files twice than storing all the data in memory

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This commit is contained in:
Martin Tůma 2022-11-06 12:33:24 +01:00
parent 75100cd500
commit 59523f46ef
2 changed files with 201 additions and 139 deletions
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272
src/map/ENC/mapdata.cpp
View File

@ -115,22 +115,12 @@ static uint depthLevel(const QString &str)
return 6;
}
RectC MapData::Line::bounds() const
static Coordinates coordinates(int x, int y, uint COMF)
{
RectC b;
for (int i = 0; i < _path.size(); i++)
b = b.united(_path.at(i));
return b;
return Coordinates(x / (double)COMF, y / (double)COMF);
}
Coordinates MapData::coordinates(int x, int y) const
{
return Coordinates(x / (double)_COMF, y / (double)_COMF);
}
Coordinates MapData::point(const ISO8211::Record &r)
static Coordinates point(const ISO8211::Record &r, uint COMF)
{
const ISO8211::Field *f = SGXD(r);
if (!f)
@ -139,10 +129,11 @@ Coordinates MapData::point(const ISO8211::Record &r)
int y = f->data().at(0).at(0).toInt();
int x = f->data().at(0).at(1).toInt();
return coordinates(x, y);
return coordinates(x, y, COMF);
}
QVector<MapData::Sounding> MapData::soundings(const ISO8211::Record &r)
QVector<MapData::Sounding> MapData::soundings(const ISO8211::Record &r,
uint COMF, uint SOMF)
{
QVector<Sounding> s;
const ISO8211::Field *f = r.field("SG3D");
@ -154,13 +145,14 @@ QVector<MapData::Sounding> MapData::soundings(const ISO8211::Record &r)
int y = f->data().at(i).at(0).toInt();
int x = f->data().at(i).at(1).toInt();
int z = f->data().at(i).at(2).toInt();
s.append(Sounding(coordinates(x, y), z / (double)_SOMF));
s.append(Sounding(coordinates(x, y, COMF), z / (double)SOMF));
}
return s;
}
QVector<MapData::Sounding> MapData::soundingGeometry(const ISO8211::Record &r)
QVector<MapData::Sounding> MapData::soundingGeometry(const ISO8211::Record &r,
const RecordMap &vi, const RecordMap &vc, uint COMF, uint SOMF)
{
quint8 type;
quint32 id;
@ -173,21 +165,22 @@ QVector<MapData::Sounding> MapData::soundingGeometry(const ISO8211::Record &r)
if (!parseNAME(FSPT, &type, &id))
return QVector<Sounding>();
if (type == RCNM_VI)
it = _vi.find(id);
else if (type == RCNM_VC)
it = _vc.find(id);
else
return QVector<Sounding>();
if (it == _ve.constEnd())
if (type == RCNM_VI) {
it = vi.find(id);
if (it == vi.constEnd())
return QVector<Sounding>();
} else if (type == RCNM_VC) {
it = vc.find(id);
if (it == vc.constEnd())
return QVector<Sounding>();
} else
return QVector<Sounding>();
const ISO8211::Record &FRID = it.value();
return soundings(FRID);
return soundings(it.value(), COMF, SOMF);
}
Coordinates MapData::pointGeometry(const ISO8211::Record &r)
Coordinates MapData::pointGeometry(const ISO8211::Record &r,
const RecordMap &vi, const RecordMap &vc, uint COMF)
{
quint8 type;
quint32 id;
@ -200,21 +193,22 @@ Coordinates MapData::pointGeometry(const ISO8211::Record &r)
if (!parseNAME(FSPT, &type, &id))
return Coordinates();
if (type == RCNM_VI)
it = _vi.find(id);
else if (type == RCNM_VC)
it = _vc.find(id);
else
return Coordinates();
if (it == _ve.constEnd())
if (type == RCNM_VI) {
it = vi.find(id);
if (it == vi.constEnd())
return Coordinates();
} else if (type == RCNM_VC) {
it = vc.find(id);
if (it == vc.constEnd())
return Coordinates();
} else
return Coordinates();
const ISO8211::Record &FRID = it.value();
return point(FRID);
return point(it.value(), COMF);
}
QVector<Coordinates> MapData::lineGeometry(const ISO8211::Record &r)
QVector<Coordinates> MapData::lineGeometry(const ISO8211::Record &r,
const RecordMap &vc, const RecordMap &ve, uint COMF)
{
QVector<Coordinates> path;
Coordinates c[2];
@ -233,8 +227,8 @@ QVector<Coordinates> MapData::lineGeometry(const ISO8211::Record &r)
MASK = FSPT->data().at(i).at(3).toUInt();
Q_ASSERT(MASK != 1);
RecordMapIterator it = _ve.find(id);
if (it == _ve.constEnd())
RecordMapIterator it = ve.find(id);
if (it == ve.constEnd())
return QVector<Coordinates>();
const ISO8211::Record &FRID = it.value();
const ISO8211::Field *VRPT = FRID.field("VRPT");
@ -245,10 +239,10 @@ QVector<Coordinates> MapData::lineGeometry(const ISO8211::Record &r)
if (!parseNAME(VRPT, &type, &id, j) || type != RCNM_VC)
return QVector<Coordinates>();
RecordMapIterator jt = _vc.find(id);
if (jt == _vc.constEnd())
RecordMapIterator jt = vc.find(id);
if (jt == vc.constEnd())
return QVector<Coordinates>();
c[j] = point(jt.value());
c[j] = point(jt.value(), COMF);
if (c[j].isNull())
return QVector<Coordinates>();
}
@ -259,7 +253,8 @@ QVector<Coordinates> MapData::lineGeometry(const ISO8211::Record &r)
if (vertexes) {
for (int j = vertexes->data().size() - 1; j >= 0; j--) {
const QVector<QVariant> &cv = vertexes->data().at(j);
path.append(coordinates(cv.at(1).toInt(), cv.at(0).toInt()));
path.append(coordinates(cv.at(1).toInt(), cv.at(0).toInt(),
COMF));
}
}
path.append(c[0]);
@ -268,7 +263,8 @@ QVector<Coordinates> MapData::lineGeometry(const ISO8211::Record &r)
if (vertexes) {
for (int j = 0; j < vertexes->data().size(); j++) {
const QVector<QVariant> &cv = vertexes->data().at(j);
path.append(coordinates(cv.at(1).toInt(), cv.at(0).toInt()));
path.append(coordinates(cv.at(1).toInt(), cv.at(0).toInt(),
COMF));
}
}
path.append(c[1]);
@ -278,7 +274,8 @@ QVector<Coordinates> MapData::lineGeometry(const ISO8211::Record &r)
return path;
}
Polygon MapData::polyGeometry(const ISO8211::Record &r)
Polygon MapData::polyGeometry(const ISO8211::Record &r, const RecordMap &vc,
const RecordMap &ve, uint COMF)
{
Polygon path;
QVector<Coordinates> v;
@ -304,8 +301,8 @@ Polygon MapData::polyGeometry(const ISO8211::Record &r)
v.clear();
}
RecordMapIterator it = _ve.find(id);
if (it == _ve.constEnd())
RecordMapIterator it = ve.find(id);
if (it == ve.constEnd())
return Polygon();
const ISO8211::Record &FRID = it.value();
const ISO8211::Field *VRPT = FRID.field("VRPT");
@ -316,10 +313,10 @@ Polygon MapData::polyGeometry(const ISO8211::Record &r)
if (!parseNAME(VRPT, &type, &id, j) || type != RCNM_VC)
return Polygon();
RecordMapIterator jt = _vc.find(id);
if (jt == _vc.constEnd())
RecordMapIterator jt = vc.find(id);
if (jt == vc.constEnd())
return Polygon();
c[j] = point(jt.value());
c[j] = point(jt.value(), COMF);
if (c[j].isNull())
return Polygon();
}
@ -330,7 +327,8 @@ Polygon MapData::polyGeometry(const ISO8211::Record &r)
if (vertexes) {
for (int j = vertexes->data().size() - 1; j >= 0; j--) {
const QVector<QVariant> &cv = vertexes->data().at(j);
v.append(coordinates(cv.at(1).toInt(), cv.at(0).toInt()));
v.append(coordinates(cv.at(1).toInt(), cv.at(0).toInt(),
COMF));
}
}
v.append(c[0]);
@ -339,7 +337,8 @@ Polygon MapData::polyGeometry(const ISO8211::Record &r)
if (vertexes) {
for (int j = 0; j < vertexes->data().size(); j++) {
const QVector<QVariant> &cv = vertexes->data().at(j);
v.append(coordinates(cv.at(1).toInt(), cv.at(0).toInt()));
v.append(coordinates(cv.at(1).toInt(), cv.at(0).toInt(),
COMF));
}
}
v.append(c[1]);
@ -432,33 +431,59 @@ MapData::Point *MapData::pointObject(const Sounding &s)
return new Point(SOUNDG<<16, s.c, QString::number(s.depth));
}
MapData::Point *MapData::pointObject(const ISO8211::Record &r, uint OBJL)
MapData::Point *MapData::pointObject(const ISO8211::Record &r,
const RecordMap &vi, const RecordMap &vc, uint COMF, uint OBJL)
{
Coordinates c(pointGeometry(r));
Coordinates c(pointGeometry(r, vi, vc, COMF));
Attr attr(pointAttr(r, OBJL));
return (c.isNull() ? 0 : new Point(OBJL<<16|attr.subtype(), c,
attr.label()));
}
MapData::Line *MapData::lineObject(const ISO8211::Record &r, uint OBJL)
MapData::Line *MapData::lineObject(const ISO8211::Record &r,
const RecordMap &vc, const RecordMap &ve, uint COMF, uint OBJL)
{
QVector<Coordinates> path(lineGeometry(r));
QVector<Coordinates> path(lineGeometry(r, vc, ve, COMF));
Attr attr(lineAttr(r, OBJL));
return (path.isEmpty() ? 0 : new Line(OBJL<<16|attr.subtype(), path,
attr.label()));
}
MapData::Poly *MapData::polyObject(const ISO8211::Record &r, uint OBJL)
MapData::Poly *MapData::polyObject(const ISO8211::Record &r,
const RecordMap &vc, const RecordMap &ve, uint COMF, uint OBJL)
{
Polygon path(polyGeometry(r));
Polygon path(polyGeometry(r, vc, ve, COMF));
Attr attr(polyAttr(r, OBJL));
return (path.isEmpty() ? 0 : new Poly(OBJL<<16|attr.subtype(), path));
}
bool MapData::processRecord(const ISO8211::Record &record)
bool MapData::processRecord(const ISO8211::Record &record,
QVector<ISO8211::Record> &rv, uint &COMF, QString &name)
{
const ISO8211::Field &f = record.at(1);
const QByteArray &ba = f.tag();
if (ba == "VRID") {
rv.append(record);
} else if (ba == "DSID") {
QByteArray DSNM;
if (!f.subfield("DSNM", &DSNM))
return false;
name = DSNM;
} else if (ba == "DSPM") {
if (!f.subfield("COMF", &COMF))
return false;
}
return true;
}
bool MapData::processRecord(const ISO8211::Record &record,
QVector<ISO8211::Record> &fe, RecordMap &vi, RecordMap &vc, RecordMap &ve,
RecordMap &vf, uint &COMF, uint &SOMF)
{
const ISO8211::Field &f = record.at(1);
const QByteArray &ba = f.tag();
@ -471,31 +496,24 @@ bool MapData::processRecord(const ISO8211::Record &record)
switch (RCNM) {
case RCNM_VI:
_vi.insert(RCID, record);
vi.insert(RCID, record);
break;
case RCNM_VC:
_vc.insert(RCID, record);
vc.insert(RCID, record);
break;
case RCNM_VE:
_ve.insert(RCID, record);
ve.insert(RCID, record);
break;
case RCNM_VF:
_vf.insert(RCID, record);
vf.insert(RCID, record);
break;
default:
return false;
}
} else if (ba == "FRID") {
_fe.append(record);
} else if (ba == "DSID") {
QByteArray DSNM;
if (!f.subfield("DSNM", &DSNM))
return false;
_name = DSNM;
fe.append(record);
} else if (ba == "DSPM") {
if (!(f.subfield("COMF", &_COMF) && f.subfield("SOMF", &_SOMF)))
if (!(f.subfield("COMF", &COMF) && f.subfield("SOMF", &SOMF)))
return false;
}
@ -505,9 +523,10 @@ bool MapData::processRecord(const ISO8211::Record &record)
bool MapData::bounds(const ISO8211::Record &record, Rect &rect)
{
bool xok, yok;
// edge geometries can be empty!
const ISO8211::Field *f = SGXD(record);
if (!f)
return false;
return true;
for (int i = 0; i < f->data().size(); i++) {
const QVector<QVariant> &c = f->data().at(i);
@ -519,54 +538,64 @@ bool MapData::bounds(const ISO8211::Record &record, Rect &rect)
return true;
}
MapData::Rect MapData::bounds(const RecordMap &map)
bool MapData::bounds(const QVector<ISO8211::Record> &gv, Rect &b)
{
Rect b, r;
Rect r;
for (RecordMapIterator it = map.constBegin(); it != map.constEnd(); ++it)
if (bounds(it.value(), r))
b |= r;
for (int i = 0; i < gv.size(); i++) {
if (!bounds(gv.at(i), r))
return false;
b |= r;
}
return b;
return true;
}
RectC MapData::bounds() const
bool MapData::fetchBoundsAndName()
{
const RecordMap *maps[] = {&_vi, &_vc, &_ve, &_vf};
Rect b;
for (size_t i = 0; i < ARRAY_SIZE(maps); i++)
b |= bounds(*maps[i]);
return RectC(
Coordinates(b.minX() / (double)_COMF, b.maxY() / (double)_COMF),
Coordinates(b.maxX() / (double)_COMF, b.minY() / (double)_COMF));
}
MapData::MapData(const QString &path): _valid(false)
{
QFile file(path);
QFile file(_fileName);
QVector<ISO8211::Record> gv;
ISO8211 ddf;
uint COMF = 1;
if (!file.open(QIODevice::ReadOnly)) {
_errorString = file.errorString();
return;
return false;
}
if (!_ddf.readDDR(file)) {
_errorString = _ddf.errorString();
return;
if (!ddf.readDDR(file)) {
_errorString = ddf.errorString();
return false;
}
while (!file.atEnd()) {
ISO8211::Record record;
if (!_ddf.readRecord(file, record)) {
_errorString = _ddf.errorString();
return;
if (!ddf.readRecord(file, record)) {
_errorString = ddf.errorString();
return false;
}
if (!processRecord(record))
return;
if (!processRecord(record, gv, COMF, _name))
return false;
}
_valid = true;
Rect b;
if (!bounds(gv, b)) {
_errorString = "Error fetching geometries bounds";
return false;
}
RectC br(Coordinates(b.minX() / (double)COMF, b.maxY() / (double)COMF),
Coordinates(b.maxX() / (double)COMF, b.minY() / (double)COMF));
if (!br.isValid()) {
_errorString = "Invalid geometries bounds";
return false;
} else
_bounds = br;
return true;
}
MapData::MapData(const QString &path): _fileName(path)
{
fetchBoundsAndName();
}
MapData::~MapData()
@ -586,14 +615,33 @@ MapData::~MapData()
void MapData::load()
{
QFile file(_fileName);
RecordMap vi, vc, ve, vf;
QVector<ISO8211::Record> fe;
uint COMF = 1, SOMF = 1;
ISO8211 ddf;
uint PRIM, OBJL;
Poly *poly;
Line *line;
Point *point;
double min[2], max[2];
for (int i = 0; i < _fe.size(); i++) {
const ISO8211::Record &r = _fe.at(i);
if (!file.open(QIODevice::ReadOnly))
return;
if (!ddf.readDDR(file))
return;
while (!file.atEnd()) {
ISO8211::Record record;
if (!ddf.readRecord(file, record))
return;
if (!processRecord(record, fe, vi, vc, ve, vf, COMF, SOMF))
return;
}
for (int i = 0; i < fe.size(); i++) {
const ISO8211::Record &r = fe.at(i);
const ISO8211::Field &f = r.at(1);
if (f.data().at(0).size() < 5)
@ -604,14 +652,14 @@ void MapData::load()
switch (PRIM) {
case PRIM_P:
if (OBJL == SOUNDG) {
QVector<Sounding> s(soundingGeometry(r));
QVector<Sounding> s(soundingGeometry(r, vi, vc, COMF, SOMF));
for (int i = 0; i < s.size(); i++) {
point = pointObject(s.at(i));
pointBounds(point->pos(), min, max);
_points.Insert(min, max, point);
}
} else {
if ((point = pointObject(r, OBJL))) {
if ((point = pointObject(r, vi, vc, COMF, OBJL))) {
pointBounds(point->pos(), min, max);
_points.Insert(min, max, point);
} else
@ -619,14 +667,14 @@ void MapData::load()
}
break;
case PRIM_L:
if ((line = lineObject(r, OBJL))) {
if ((line = lineObject(r, vc, ve, COMF, OBJL))) {
rectcBounds(line->bounds(), min, max);
_lines.Insert(min, max, line);
} else
warning(f, PRIM);
break;
case PRIM_A:
if ((poly = polyObject(r, OBJL))) {
if ((poly = polyObject(r, vc, ve, COMF, OBJL))) {
rectcBounds(poly->bounds(), min, max);
_areas.Insert(min, max, poly);
} else

68
src/map/ENC/mapdata.h
View File

@ -32,7 +32,15 @@ public:
Line(uint type, const QVector<Coordinates> &path, const QString &label)
: _type(type), _path(path), _label(label) {}
RectC bounds() const;
RectC bounds() const
{
RectC b;
for (int i = 0; i < _path.size(); i++)
b = b.united(_path.at(i));
return b;
}
const QVector<Coordinates> &path() const {return _path;}
uint type() const {return _type;}
const QString &label() const {return _label;}
@ -70,7 +78,7 @@ public:
~MapData();
const QString &name() const {return _name;}
RectC bounds() const;
RectC bounds() const {return _bounds;}
void polygons(const RectC &rect, QList<Poly*> *polygons);
void lines(const RectC &rect, QList<Line*> *lines);
@ -79,7 +87,7 @@ public:
void load();
void clear();
bool isValid() const {return _valid;}
bool isValid() const {return _bounds.isValid();}
QString errorString() const {return _errorString;}
private:
@ -121,7 +129,7 @@ private:
public:
Attr() : _subtype(0) {}
Attr(uint subtype, const QString &label = QString())
: _subtype(subtype), _label(label) {}
: _subtype(subtype), _label(label) {}
unsigned subtype() const {return _subtype;}
const QString &label() const {return _label;}
@ -145,36 +153,42 @@ private:
typedef RTree<Line*, double, 2> LineTree;
typedef RTree<Point*, double, 2> PointTree;
bool processRecord(const ISO8211::Record &record);
Attr pointAttr(const ISO8211::Record &r, uint OBJL);
Attr lineAttr(const ISO8211::Record &r, uint OBJL);
Attr polyAttr(const ISO8211::Record &r, uint OBJL);
QVector<Sounding> soundingGeometry(const ISO8211::Record &r);
Coordinates pointGeometry(const ISO8211::Record &r);
QVector<Coordinates> lineGeometry(const ISO8211::Record &r);
Polygon polyGeometry(const ISO8211::Record &r);
Point *pointObject(const Sounding &s);
Point *pointObject(const ISO8211::Record &r, uint OBJL);
Line *lineObject(const ISO8211::Record &r, uint OBJL);
Poly *polyObject(const ISO8211::Record &r, uint OBJL);
Coordinates coordinates(int x, int y) const;
Coordinates point(const ISO8211::Record &r);
QVector<Sounding> soundings(const ISO8211::Record &r);
bool fetchBoundsAndName();
static QVector<Sounding> soundings(const ISO8211::Record &r, uint COMF,
uint SOMF);
static QVector<Sounding> soundingGeometry(const ISO8211::Record &r,
const RecordMap &vi, const RecordMap &vc, uint COMF, uint SOMF);
static Coordinates pointGeometry(const ISO8211::Record &r,
const RecordMap &vi, const RecordMap &vc, uint COMF);
static QVector<Coordinates> lineGeometry(const ISO8211::Record &r,
const RecordMap &vc, const RecordMap &ve, uint COMF);
static Polygon polyGeometry(const ISO8211::Record &r, const RecordMap &vc,
const RecordMap &ve, uint COMF);
static Attr pointAttr(const ISO8211::Record &r, uint OBJL);
static Attr lineAttr(const ISO8211::Record &r, uint OBJL);
static Attr polyAttr(const ISO8211::Record &r, uint OBJL);
static Point *pointObject(const Sounding &s);
static Point *pointObject(const ISO8211::Record &r, const RecordMap &vi,
const RecordMap &vc, uint COMF, uint OBJL);
static Line *lineObject(const ISO8211::Record &r, const RecordMap &vc,
const RecordMap &ve, uint COMF, uint OBJL);
static Poly *polyObject(const ISO8211::Record &r, const RecordMap &vc,
const RecordMap &ve, uint COMF,uint OBJL);
static bool bounds(const ISO8211::Record &record, Rect &rect);
static Rect bounds(const RecordMap &map);
static bool bounds(const QVector<ISO8211::Record> &gv, Rect &b);
static bool processRecord(const ISO8211::Record &record,
QVector<ISO8211::Record> &fe, RecordMap &vi, RecordMap &vc, RecordMap &ve,
RecordMap &vf, uint &COMF, uint &SOMF);
static bool processRecord(const ISO8211::Record &record,
QVector<ISO8211::Record> &rv, uint &COMF, QString &name);
QString _fileName;
QString _name;
RecordMap _vi, _vc, _ve, _vf;
QVector<ISO8211::Record> _fe;
uint _COMF, _SOMF;
ISO8211 _ddf;
RectC _bounds;
PolygonTree _areas;
LineTree _lines;
PointTree _points;
bool _valid;
QString _errorString;
};