+void BaseDiagram::paintPolygonData(QPainter* painter)
+{
+ QTransform xf = painter->transform();
+ QTransform invT = xf.inverted();
+
+ SGGeod topLeft = unproject(invT.map(rect().topLeft()), m_projectionCenter);
+ SGGeod viewCenter = unproject(invT.map(rect().center()), m_projectionCenter);
+ SGGeod bottomRight = unproject(invT.map(rect().bottomRight()), m_projectionCenter);
+
+ double drawRangeNm = std::max(SGGeodesy::distanceNm(viewCenter, topLeft),
+ SGGeodesy::distanceNm(viewCenter, bottomRight));
+
+ flightgear::PolyLineList lines(flightgear::PolyLine::linesNearPos(viewCenter, drawRangeNm,
+ flightgear::PolyLine::COASTLINE));
+
+ QPen waterPen(QColor(64, 64, 255), 1);
+ waterPen.setCosmetic(true);
+ painter->setPen(waterPen);
+ flightgear::PolyLineList::const_iterator it;
+ for (it=lines.begin(); it != lines.end(); ++it) {
+ paintGeodVec(painter, (*it)->points());
+ }
+
+ lines = flightgear::PolyLine::linesNearPos(viewCenter, drawRangeNm,
+ flightgear::PolyLine::URBAN);
+ for (it=lines.begin(); it != lines.end(); ++it) {
+ fillClosedGeodVec(painter, QColor(192, 192, 96), (*it)->points());
+ }
+
+ lines = flightgear::PolyLine::linesNearPos(viewCenter, drawRangeNm,
+ flightgear::PolyLine::RIVER);
+
+ painter->setPen(waterPen);
+ for (it=lines.begin(); it != lines.end(); ++it) {
+ paintGeodVec(painter, (*it)->points());
+ }
+
+
+ lines = flightgear::PolyLine::linesNearPos(viewCenter, drawRangeNm,
+ flightgear::PolyLine::LAKE);
+
+ for (it=lines.begin(); it != lines.end(); ++it) {
+ fillClosedGeodVec(painter, QColor(128, 128, 255),
+ (*it)->points());
+ }
+
+
+}
+
+void BaseDiagram::paintGeodVec(QPainter* painter, const flightgear::SGGeodVec& vec)
+{
+ QVector<QPointF> projected;
+ projected.reserve(vec.size());
+ flightgear::SGGeodVec::const_iterator it;
+ for (it=vec.begin(); it != vec.end(); ++it) {
+ projected.append(project(*it));
+ }
+
+ painter->drawPolyline(projected.data(), projected.size());
+}
+
+void BaseDiagram::fillClosedGeodVec(QPainter* painter, const QColor& color, const flightgear::SGGeodVec& vec)
+{
+ QVector<QPointF> projected;
+ projected.reserve(vec.size());
+ flightgear::SGGeodVec::const_iterator it;
+ for (it=vec.begin(); it != vec.end(); ++it) {
+ projected.append(project(*it));
+ }
+
+ painter->setPen(Qt::NoPen);
+ painter->setBrush(color);
+ painter->drawPolygon(projected.data(), projected.size());
+}
+