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612 lines
21 KiB
C++
612 lines
21 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2022-2023 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include "czml.h"
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#include "mapsettings.h"
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#include "mapmodel.h"
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#include "util/coordinates.h"
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const QStringList CZML::m_heightReferences = {"NONE", "CLAMP_TO_GROUND", "RELATIVE_TO_GROUND", "CLIP_TO_GROUND"};
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CZML::CZML(const MapSettings *settings) :
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m_settings(settings)
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{
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}
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// Set position from which distance filter is calculated
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void CZML::setPosition(const QGeoCoordinate& position)
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{
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m_position = position;
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}
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bool CZML::filter(const MapItem *mapItem) const
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{
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return ( !mapItem->m_itemSettings->m_filterName.isEmpty()
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&& !mapItem->m_itemSettings->m_filterNameRE.match(mapItem->m_name).hasMatch()
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)
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|| ( (mapItem->m_itemSettings->m_filterDistance > 0)
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&& (m_position.distanceTo(QGeoCoordinate(mapItem->m_latitude, mapItem->m_longitude, mapItem->m_altitude)) > mapItem->m_itemSettings->m_filterDistance)
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);
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}
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QJsonObject CZML::init()
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{
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QString start = QDateTime::currentDateTimeUtc().toString(Qt::ISODate);
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QString stop = QDateTime::currentDateTimeUtc().addSecs(60*60).toString(Qt::ISODate);
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QString interval = QString("%1/%2").arg(start).arg(stop);
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QJsonObject spec {
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{"interval", interval},
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{"currentTime", start},
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{"range", "UNBOUNDED"}
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};
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QJsonObject doc {
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{"id", "document"},
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{"version", "1.0"},
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{"clock", spec}
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};
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return doc;
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}
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QJsonObject CZML::update(PolygonMapItem *mapItem)
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{
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QString id = mapItem->m_name;
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QJsonObject obj {
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{"id", id} // id must be unique
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};
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if ( !mapItem->m_itemSettings->m_enabled
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|| !mapItem->m_itemSettings->m_display3DTrack
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|| filter(mapItem)
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|| mapItem->m_deleted
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)
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{
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// Delete obj completely (including any history)
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obj.insert("delete", true);
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return obj;
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}
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// Need to use perPositionHeight for vertical polygons
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bool perPosition = mapItem->m_extrudedHeight == 0;
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QJsonArray positions;
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for (const auto c : mapItem->m_points)
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{
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positions.append(c->longitude());
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positions.append(c->latitude());
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positions.append(c->altitude());
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}
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QJsonObject positionList {
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{"cartographicDegrees", positions},
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};
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QColor color;
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if (mapItem->m_colorValid) {
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color = QColor::fromRgba(mapItem->m_color);
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} else {
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color = QColor::fromRgba(mapItem->m_itemSettings->m_3DTrackColor);
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}
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QJsonArray colorRGBA {
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color.red(), color.green(), color.blue(), color.alpha()
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};
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QJsonObject colorObj {
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{"rgba", colorRGBA}
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};
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QJsonObject solidColor {
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{"color", colorObj},
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};
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QJsonObject material {
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{"solidColor", solidColor}
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};
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QJsonArray outlineColorRGBA {
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0, 0, 0, 255
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};
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QJsonObject outlineColor {
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{"rgba", outlineColorRGBA}
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};
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QJsonObject polygon {
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{"positions", positionList},
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{"material", material},
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{"outline", true},
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{"outlineColor", outlineColor},
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};
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if (perPosition)
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{
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polygon.insert("perPositionHeight", true);
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if (mapItem->m_altitudeReference != 0) {
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polygon.insert("altitudeReference", m_heightReferences[mapItem->m_altitudeReference]); // Custom code in map3d.html
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}
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}
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else
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{
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polygon.insert("height", mapItem->m_altitude);
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polygon.insert("heightReference", m_heightReferences[mapItem->m_altitudeReference]);
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polygon.insert("extrudedHeight", mapItem->m_extrudedHeight);
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}
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// We need to have a position, otherwise viewer entity tracking doesn't seem to work
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QJsonArray coords {
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mapItem->m_longitude, mapItem->m_latitude, mapItem->m_altitude
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};
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QJsonObject position {
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{"cartographicDegrees", coords},
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};
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obj.insert("position", position);
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obj.insert("polygon", polygon);
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obj.insert("description", mapItem->m_label);
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//qDebug() << "Polygon " << obj;
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return obj;
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}
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QJsonObject CZML::update(PolylineMapItem *mapItem)
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{
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QString id = mapItem->m_name;
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QJsonObject obj {
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{"id", id} // id must be unique
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};
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if ( !mapItem->m_itemSettings->m_enabled
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|| !mapItem->m_itemSettings->m_display3DTrack
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|| filter(mapItem)
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|| mapItem->m_deleted
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)
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{
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// Delete obj completely (including any history)
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obj.insert("delete", true);
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return obj;
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}
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QJsonArray positions;
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for (const auto c : mapItem->m_points)
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{
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positions.append(c->longitude());
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positions.append(c->latitude());
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positions.append(c->altitude());
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}
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QJsonObject positionList {
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{"cartographicDegrees", positions},
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};
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QColor color;
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if (mapItem->m_colorValid) {
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color = QColor::fromRgba(mapItem->m_color);
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} else {
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color = QColor::fromRgba(mapItem->m_itemSettings->m_3DTrackColor);
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}
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QJsonArray colorRGBA {
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color.red(), color.green(), color.blue(), color.alpha()
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};
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QJsonObject colorObj {
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{"rgba", colorRGBA}
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};
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QJsonObject solidColor {
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{"color", colorObj},
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};
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QJsonObject material {
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{"solidColor", solidColor}
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};
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QJsonObject polyline {
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{"positions", positionList},
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{"material", material}
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};
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polyline.insert("clampToGround", mapItem->m_altitudeReference == 1);
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if (mapItem->m_altitudeReference == 3) {
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polyline.insert("altitudeReference", m_heightReferences[mapItem->m_altitudeReference]); // Custom code in map3d.html
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}
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// We need to have a position, otherwise viewer entity tracking doesn't seem to work
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QJsonArray coords {
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mapItem->m_longitude, mapItem->m_latitude, mapItem->m_altitude
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};
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QJsonObject position {
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{"cartographicDegrees", coords},
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};
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obj.insert("position", position);
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obj.insert("polyline", polyline);
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obj.insert("description", mapItem->m_label);
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//qDebug() << "Polyline " << obj;
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return obj;
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}
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QJsonObject CZML::update(ObjectMapItem *mapItem, bool isTarget, bool isSelected)
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{
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(void) isTarget;
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QString id = mapItem->m_name;
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QJsonObject obj {
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{"id", id} // id must be unique
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};
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if (!mapItem->m_itemSettings->m_enabled || filter(mapItem))
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{
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// Delete obj completely (including any history)
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obj.insert("delete", true);
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return obj;
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}
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// Don't currently use CLIP_TO_GROUND in Cesium due to Jitter bug
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// https://github.com/CesiumGS/cesium/issues/4049
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// Instead we implement our own clipping code in map3d.html
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const QStringList heightReferences = {"NONE", "CLAMP_TO_GROUND", "RELATIVE_TO_GROUND", "NONE"};
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QString dt;
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if (mapItem->m_availableFrom.isValid()) {
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dt = mapItem->m_availableFrom.toString(Qt::ISODateWithMs);
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} else if (mapItem->m_takenTrackDateTimes.size() > 0) {
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dt = mapItem->m_takenTrackDateTimes.last()->toString(Qt::ISODateWithMs);
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} else {
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dt = QDateTime::currentDateTimeUtc().toString(Qt::ISODateWithMs);
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}
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// Keep a hash of the time we first saw each item
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bool existingId = m_ids.contains(id);
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if (!existingId) {
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m_ids.insert(id, dt);
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}
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bool removeObj = false;
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bool fixedPosition = mapItem->m_fixedPosition;
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if (mapItem->m_image == "")
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{
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// Need to remove this from the map (but history is retained)
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removeObj = true;
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}
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QJsonArray coords;
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if (!removeObj)
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{
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if (!fixedPosition && (mapItem->m_predictedTrackCoords.size() > 0))
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{
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QListIterator<QGeoCoordinate *> i(mapItem->m_takenTrackCoords);
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QListIterator<QDateTime *> j(mapItem->m_takenTrackDateTimes);
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while (i.hasNext())
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{
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QGeoCoordinate *c = i.next();
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coords.append(j.next()->toString(Qt::ISODateWithMs));
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coords.append(c->longitude());
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coords.append(c->latitude());
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coords.append(c->altitude());
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}
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if (mapItem->m_predictedTrackCoords.size() > 0)
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{
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QListIterator<QGeoCoordinate *> k(mapItem->m_predictedTrackCoords);
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QListIterator<QDateTime *> l(mapItem->m_predictedTrackDateTimes);
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k.toBack();
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l.toBack();
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while (k.hasPrevious())
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{
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QGeoCoordinate *c = k.previous();
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coords.append(l.previous()->toString(Qt::ISODateWithMs));
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coords.append(c->longitude());
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coords.append(c->latitude());
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coords.append(c->altitude());
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}
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}
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}
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else
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{
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// Only send latest position, to reduce processing
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if (!fixedPosition && mapItem->m_positionDateTime.isValid()) {
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coords.push_back(mapItem->m_positionDateTime.toString(Qt::ISODateWithMs));
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}
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coords.push_back(mapItem->m_longitude);
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coords.push_back(mapItem->m_latitude);
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coords.push_back(mapItem->m_altitude);
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}
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}
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else
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{
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coords = m_lastPosition.value(id);
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}
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QJsonObject position {
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{"cartographicDegrees", coords},
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};
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if (!fixedPosition)
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{
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// Don't use forward extrapolation for satellites (with predicted tracks), as
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// it seems to jump about. We use it for AIS and ADS-B that don't have predicted tracks
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if (mapItem->m_predictedTrackCoords.size() == 0)
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{
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// Need 2 different positions to enable extrapolation, otherwise entity may not appear
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bool hasMoved = m_hasMoved.contains(id);
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if (!hasMoved && m_lastPosition.contains(id) && (m_lastPosition.value(id) != coords))
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{
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hasMoved = true;
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m_hasMoved.insert(id, true);
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}
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if (hasMoved && (mapItem->m_itemSettings->m_extrapolate > 0))
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{
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position.insert("forwardExtrapolationType", "EXTRAPOLATE");
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position.insert("forwardExtrapolationDuration", mapItem->m_itemSettings->m_extrapolate);
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// Use linear interpolation for now - other two can go crazy with aircraft on the ground
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//position.insert("interpolationAlgorithm", "HERMITE");
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//position.insert("interpolationDegree", "2");
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//position.insert("interpolationAlgorithm", "LAGRANGE");
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//position.insert("interpolationDegree", "5");
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}
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else
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{
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position.insert("forwardExtrapolationType", "HOLD");
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}
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}
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else
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{
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// Interpolation goes wrong at end points
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//position.insert("interpolationAlgorithm", "LAGRANGE");
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//position.insert("interpolationDegree", "5");
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//position.insert("interpolationAlgorithm", "HERMITE");
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//position.insert("interpolationDegree", "2");
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}
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}
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QQuaternion q = Coordinates::orientation(mapItem->m_longitude, mapItem->m_latitude, mapItem->m_altitude,
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mapItem->m_heading, mapItem->m_pitch, mapItem->m_roll);
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QJsonArray quaternion;
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if (!fixedPosition && mapItem->m_orientationDateTime.isValid()) {
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quaternion.push_back(mapItem->m_orientationDateTime.toString(Qt::ISODateWithMs));
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}
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quaternion.push_back(q.x());
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quaternion.push_back(q.y());
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quaternion.push_back(q.z());
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quaternion.push_back(q.scalar());
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QJsonObject orientation {
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{"unitQuaternion", quaternion},
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{"forwardExtrapolationType", "HOLD"}, // If we extrapolate, aircraft tend to spin around
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{"forwardExtrapolationDuration", mapItem->m_itemSettings->m_extrapolate},
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// {"interpolationAlgorithm", "LAGRANGE"}
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};
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QJsonObject orientationPosition {
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{"velocityReference", "#position"},
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};
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QJsonObject noPosition {
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{"cartographicDegrees", coords},
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{"forwardExtrapolationType", "NONE"}
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};
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// Point
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QColor pointColor = QColor::fromRgba(mapItem->m_itemSettings->m_3DPointColor);
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QJsonArray pointRGBA {
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pointColor.red(), pointColor.green(), pointColor.blue(), pointColor.alpha()
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};
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QJsonObject pointColorObj {
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{"rgba", pointRGBA}
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};
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QJsonObject point {
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{"pixelSize", 8},
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{"color", pointColorObj},
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{"heightReference", heightReferences[mapItem->m_altitudeReference]},
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{"show", mapItem->m_itemSettings->m_enabled && mapItem->m_itemSettings->m_display3DPoint}
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};
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// Model
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QJsonArray node0Cartesian {
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{0.0, mapItem->m_modelAltitudeOffset, 0.0}
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};
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QJsonObject node0Translation {
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{"cartesian", node0Cartesian}
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};
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QJsonObject node0Transform {
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{"translation", node0Translation}
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};
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QJsonObject nodeTransforms {
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{"node0", node0Transform},
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};
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QJsonObject model {
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{"gltf", m_settings->m_modelURL + mapItem->m_model},
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{"incrementallyLoadTextures", false}, // Aircraft will flash as they appear without textures if this is the default of true
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{"heightReference", heightReferences[mapItem->m_altitudeReference]},
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{"runAnimations", false},
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{"show", mapItem->m_itemSettings->m_enabled && mapItem->m_itemSettings->m_display3DModel},
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{"minimumPixelSize", mapItem->m_itemSettings->m_3DModelMinPixelSize},
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{"maximumScale", 20000} // Stop it getting too big when zoomed really far out
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};
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if (mapItem->m_modelAltitudeOffset != 0.0) {
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model.insert("nodeTransformations", nodeTransforms);
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}
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// Path
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QColor pathColor = QColor::fromRgba(mapItem->m_itemSettings->m_3DTrackColor);
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QJsonArray pathColorRGBA {
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pathColor.red(), pathColor.green(), pathColor.blue(), pathColor.alpha()
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};
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QJsonObject pathColorObj {
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{"rgba", pathColorRGBA}
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};
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// Paths can't be clamped to ground, so AIS paths can be underground if terrain is used
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// See: https://github.com/CesiumGS/cesium/issues/7133
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QJsonObject pathSolidColorMaterial {
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{"color", pathColorObj}
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};
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QJsonObject pathMaterial {
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{"solidColor", pathSolidColorMaterial}
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};
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bool showPath = mapItem->m_itemSettings->m_enabled
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&& mapItem->m_itemSettings->m_display3DTrack
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&& ( m_settings->m_displayAllGroundTracks
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|| (m_settings->m_displaySelectedGroundTracks && isSelected));
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QJsonObject path {
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// We want full paths for sat tracker, so leadTime and trailTime should be 0
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// Should be configurable.. 6000=100mins ~> 1 orbit for LEO
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//{"leadTime", "6000"},
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//{"trailTime", "6000"},
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{"width", "3"},
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{"material", pathMaterial},
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{"show", showPath}
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};
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// Label
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// Prevent labels from being too cluttered when zoomed out
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// FIXME: These values should come from mapItem or mapItemSettings
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float displayDistanceMax = std::numeric_limits<float>::max();
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if ((mapItem->m_group == "Beacons")
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|| (mapItem->m_group == "AM") || (mapItem->m_group == "FM") || (mapItem->m_group == "DAB")
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|| (mapItem->m_group == "NavAid")
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|| (mapItem->m_group == "Waypoints")
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) {
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displayDistanceMax = 1000000;
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} else if ((mapItem->m_group == "Station") || (mapItem->m_group == "Radar") || (mapItem->m_group == "Radio Time Transmitters")) {
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displayDistanceMax = 10000000;
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} else if (mapItem->m_group == "Ionosonde Stations") {
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displayDistanceMax = 30000000;
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}
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QJsonArray labelPixelOffsetScaleArray {
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1000000, 20, 10000000, 5
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};
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QJsonObject labelPixelOffsetScaleObject {
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{"nearFarScalar", labelPixelOffsetScaleArray}
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};
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QJsonArray labelPixelOffsetArray {
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1, 0
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};
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QJsonObject labelPixelOffset {
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{"cartesian2", labelPixelOffsetArray}
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};
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QJsonArray labelEyeOffsetArray {
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0, mapItem->m_labelAltitudeOffset, 0 // Position above the object, dependent on the height of the model
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};
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QJsonObject labelEyeOffset {
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{"cartesian", labelEyeOffsetArray}
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};
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QJsonObject labelHorizontalOrigin {
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{"horizontalOrigin", "LEFT"}
|
|
};
|
|
QJsonArray labelDisplayDistance {
|
|
0, displayDistanceMax
|
|
};
|
|
QJsonObject labelDistanceDisplayCondition {
|
|
{"distanceDisplayCondition", labelDisplayDistance}
|
|
};
|
|
QString labelText = mapItem->m_label;
|
|
labelText.replace("<br>", "\n");
|
|
QJsonObject label {
|
|
{"text", labelText},
|
|
{"show", m_settings->m_displayNames && mapItem->m_itemSettings->m_enabled && mapItem->m_itemSettings->m_display3DLabel},
|
|
{"scale", mapItem->m_itemSettings->m_3DLabelScale},
|
|
{"pixelOffset", labelPixelOffset},
|
|
{"pixelOffsetScaleByDistance", labelPixelOffsetScaleObject},
|
|
{"eyeOffset", labelEyeOffset},
|
|
{"verticalOrigin", "BASELINE"},
|
|
{"horizontalOrigin", "LEFT"},
|
|
{"heightReference", heightReferences[mapItem->m_altitudeReference]},
|
|
};
|
|
if (displayDistanceMax != std::numeric_limits<float>::max()) {
|
|
label.insert("distanceDisplayCondition", labelDistanceDisplayCondition);
|
|
}
|
|
|
|
// Use billboard for APRS as we don't currently have 3D objects
|
|
QString imageURL = mapItem->m_image;
|
|
if (imageURL.startsWith("qrc://")) {
|
|
imageURL = imageURL.mid(6); // Redirect to our embedded webserver, which will check resources
|
|
}
|
|
QJsonObject billboard {
|
|
{"image", imageURL},
|
|
{"heightReference", heightReferences[mapItem->m_altitudeReference]},
|
|
{"verticalOrigin", "BOTTOM"} // To stop it being cut in half when zoomed out
|
|
};
|
|
|
|
if (!removeObj)
|
|
{
|
|
obj.insert("position", position);
|
|
if (!fixedPosition)
|
|
{
|
|
if (mapItem->m_useHeadingPitchRoll) {
|
|
obj.insert("orientation", orientation);
|
|
} else {
|
|
obj.insert("orientation", orientationPosition);
|
|
}
|
|
}
|
|
obj.insert("point", point);
|
|
if (!mapItem->m_model.isEmpty()) {
|
|
obj.insert("model", model);
|
|
} else {
|
|
obj.insert("billboard", billboard);
|
|
}
|
|
obj.insert("label", label);
|
|
obj.insert("description", mapItem->m_text);
|
|
if (!fixedPosition) {
|
|
obj.insert("path", path);
|
|
}
|
|
|
|
if (!fixedPosition)
|
|
{
|
|
if (mapItem->m_takenTrackDateTimes.size() > 0 && mapItem->m_predictedTrackDateTimes.size() > 0)
|
|
{
|
|
QString availability = QString("%1/%2")
|
|
.arg(mapItem->m_takenTrackDateTimes.last()->toString(Qt::ISODateWithMs))
|
|
.arg(mapItem->m_predictedTrackDateTimes.last()->toString(Qt::ISODateWithMs));
|
|
obj.insert("availability", availability);
|
|
}
|
|
else
|
|
{
|
|
if (mapItem->m_availableUntil.isValid())
|
|
{
|
|
QString period = QString("%1/%2").arg(m_ids[id]).arg(mapItem->m_availableUntil.toString(Qt::ISODateWithMs));
|
|
obj.insert("availability", period);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (mapItem->m_availableUntil.isValid())
|
|
{
|
|
QString period = QString("%1/%2").arg(m_ids[id]).arg(mapItem->m_availableUntil.toString(Qt::ISODateWithMs));
|
|
obj.insert("availability", period);
|
|
}
|
|
}
|
|
m_lastPosition.insert(id, coords);
|
|
}
|
|
else
|
|
{
|
|
// Disable forward extrapolation
|
|
obj.insert("position", noPosition);
|
|
}
|
|
|
|
// Use our own clipping routine, due to
|
|
// https://github.com/CesiumGS/cesium/issues/4049
|
|
if (mapItem->m_altitudeReference == 3) {
|
|
obj.insert("altitudeReference", "CLIP_TO_GROUND");
|
|
}
|
|
|
|
//qDebug() << obj;
|
|
|
|
return obj;
|
|
}
|
|
|