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Added support for GeoJSON Coordinate Properties extension

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This commit is contained in:
Martin Tůma 2024-03-12 21:30:15 +01:00
parent 5945ceaa09
commit 625ee42eb4
1 changed files with 80 additions and 6 deletions
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86
src/data/geojsonparser.cpp
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@ -10,6 +10,10 @@
#define PROJ(object, parent) \
((object).isNull() ? (parent) : (object))
/*
* Mapbox Simple Style
* https://github.com/mapbox/simplestyle-spec
*/
static int markerSize(const QString &str)
{
if (str == "small")
@ -108,6 +112,74 @@ static void setWaypointProperties(Waypoint &waypoint,
waypoint.setStyle(PointStyle(color, size));
}
/*
* Mapbox Coordinate Properties
* https://github.com/mapbox/geojson-coordinate-properties
*/
static QDateTime timestamp(const QJsonValue &data)
{
if (data.isString())
return QDateTime::fromString(data.toString(), Qt::ISODate);
else if (data.isDouble())
return QDateTime::fromMSecsSinceEpoch((qint64)data.toDouble());
else
return QDateTime();
}
static double hr(const QJsonValue &data)
{
return data.isDouble() ? data.toDouble() : NAN;
}
static void setSegmentProperties(SegmentData &segment, int segno,
const QJsonValue &properties)
{
if (properties.isObject()) {
QJsonObject o(properties.toObject());
if (o["coordinateProperties"].isObject()) {
QJsonObject cp(o["coordinateProperties"].toObject());
if (cp["times"].isArray()) {
QJsonArray times(cp["times"].toArray());
if (segno >= 0) {
if (times.size() > segno) {
QJsonArray seg(times.at(segno).toArray());
if (seg.size() == segment.size()) {
for (int i = 0; i < seg.size(); i++)
segment[i].setTimestamp(timestamp(seg.at(i)));
}
}
} else {
if (times.size() == segment.size()) {
for (int i = 0; i < times.size(); i++)
segment[i].setTimestamp(timestamp(times.at(i)));
}
}
}
if (cp["heart"].isArray()) {
QJsonArray heart(cp["heart"].toArray());
if (segno >= 0) {
if (heart.size() > segno) {
QJsonArray seg(heart.at(segno).toArray());
if (seg.size() == segment.size()) {
for (int i = 0; i < seg.size(); i++)
segment[i].setHeartRate(hr(seg.at(i)));
}
}
} else {
if (heart.size() == segment.size()) {
for (int i = 0; i < heart.size(); i++)
segment[i].setHeartRate(hr(heart.at(i)));
}
}
}
}
}
}
static bool isWS(char c)
{
return (c == 0x20 || c == 0x09 || c == 0x0A || c == 0x0D) ? true : false;
@ -293,6 +365,7 @@ bool GeoJSONParser::lineString(const QJsonObject &object,
segment.append(t);
}
setSegmentProperties(segment, -1, properties);
TrackData track(segment);
setTrackProperties(track, properties);
tracks.append(track);
@ -324,7 +397,7 @@ bool GeoJSONParser::multiLineString(const QJsonObject &object,
_errorString = "Invalid MultiLineString data";
return false;
} else {
SegmentData sd;
SegmentData segment;
QJsonArray ls(coordinates.at(i).toArray());
for (int j = 0; j < ls.size(); j++) {
@ -340,10 +413,11 @@ bool GeoJSONParser::multiLineString(const QJsonObject &object,
Trackpoint t(c);
if (data.count() == 3 && data.at(2).isDouble())
t.setElevation(data.at(2).toDouble());
sd.append(t);
segment.append(t);
}
track.append(sd);
setSegmentProperties(segment, track.size(), properties);
track.append(segment);
}
}
@ -468,7 +542,7 @@ bool GeoJSONParser::geometryCollection(const QJsonObject &object,
const Projection &parent, const QJsonValue &properties,
QList<TrackData> &tracks, QList<Area> &areas, QVector<Waypoint> &waypoints)
{
if (!object.contains("geometries") || !object["geometries"].isArray()) {
if (!object["geometries"].isArray()) {
_errorString = "Invalid/missing GeometryCollection geometries array";
return false;
}
@ -529,7 +603,7 @@ bool GeoJSONParser::geometryCollection(const QJsonObject &object,
bool GeoJSONParser::feature(const QJsonObject &object, const Projection &parent,
QList<TrackData> &tracks, QList<Area> &areas, QVector<Waypoint> &waypoints)
{
if (!object.contains("geometry") || !object["geometry"].isObject()) {
if (!object["geometry"].isObject()) {
_errorString = "Invalid/missing Feature geometry object";
return false;
}
@ -569,7 +643,7 @@ bool GeoJSONParser::featureCollection(const QJsonObject &object,
const Projection &parent, QList<TrackData> &tracks, QList<Area> &areas,
QVector<Waypoint> &waypoints)
{
if (!object.contains("features") || !object["features"].isArray()) {
if (!object["features"].isArray()) {
_errorString = "Invalid/missing FeatureCollection features array";
return false;
}