C++ MESegment::getLength方法代码示例

MESegment*
MELoop::getSegmentForEdge(const MSEdge& e, SUMOReal pos) {
    MESegment* s = myEdges2FirstSegments[e.getNumericalID()];
    if (pos > 0) {
        SUMOReal cpos = 0;
        while (s->getNextSegment() != 0 && cpos + s->getLength() < pos) {
            cpos += s->getLength();
            s = s->getNextSegment();
        }
    }
    return s;
}

void
NLDetectorBuilder::buildInductLoop(const std::string &id,
                                   const std::string &lane, SUMOReal pos, int splInterval,
                                   OutputDevice& device, bool friendlyPos) throw(InvalidArgument) {
    if (splInterval<0) {
        throw InvalidArgument("Negative sampling frequency (in e1-detector '" + id + "').");
    }
    if (splInterval==0) {
        throw InvalidArgument("Sampling frequency must not be zero (in e1-detector '" + id + "').");
    }
    // get and check the lane
    MSLane *clane = getLaneChecking(lane, id);
    if (pos<0) {
        pos = clane->getLength() + pos;
    }
#ifdef HAVE_MESOSIM
    if (!MSGlobals::gUseMesoSim) {
#endif
        // get and check the position
        pos = getPositionChecking(pos, clane, friendlyPos, id);
        // build the loop
        MSInductLoop *loop = createInductLoop(id, clane, pos);
        // add the file output
        myNet.getDetectorControl().add(loop, device, splInterval);
#ifdef HAVE_MESOSIM
    } else {
        if (pos<0) {
            pos = clane->getLength() + pos;
        }
        MESegment *s = MSGlobals::gMesoNet->getSegmentForEdge(clane->getEdge());
        MESegment *prev = s;
        SUMOReal cpos = 0;
        while (cpos+prev->getLength()<pos&&s!=0) {
            prev = s;
            cpos += s->getLength();
            s = s->getNextSegment();
        }
        SUMOReal rpos = pos-cpos;//-prev->getLength();
        if (rpos>prev->getLength()||rpos<0) {
            if (friendlyPos) {
                rpos = prev->getLength() - (SUMOReal) 0.1;
            } else {
                throw InvalidArgument("The position of detector '" + id + "' lies beyond the lane's '" + lane + "' length.");
            }
        }
        MEInductLoop *loop =
            createMEInductLoop(id, prev, rpos);
        myNet.getDetectorControl().add(loop, device, splInterval);
    }
#endif
}

GUIParameterTableWindow*
GUIEdge::getParameterWindow(GUIMainWindow& app,
                            GUISUMOAbstractView& parent) {
    GUIParameterTableWindow* ret = 0;
#ifdef HAVE_INTERNAL
    ret = new GUIParameterTableWindow(app, *this, 16);
    // add edge items
    ret->mkItem("length [m]", false, (*myLanes)[0]->getLength());
    ret->mkItem("allowed speed [m/s]", false, getAllowedSpeed());
    ret->mkItem("occupancy [%]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getBruttoOccupancy, 100.));
    ret->mkItem("mean vehicle speed [m/s]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getMeanSpeed));
    ret->mkItem("flow [veh/h/lane]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getFlow));
    ret->mkItem("#vehicles", true, new CastingFunctionBinding<GUIEdge, SUMOReal, unsigned int>(this, &GUIEdge::getVehicleNo));
    ret->mkItem("vehicle ids", false, getVehicleIDs());
    // add segment items
    MESegment* segment = getSegmentAtPosition(parent.getPositionInformation());
    ret->mkItem("segment index", false, segment->getIndex());
    ret->mkItem("segment length [m]", false, segment->getLength());
    ret->mkItem("segment allowed speed [m/s]", false, segment->getMaxSpeed());
    ret->mkItem("segment jam threshold [%]", false, segment->getRelativeJamThreshold());
    ret->mkItem("segment occupancy [%]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getRelativeOccupancy));
    ret->mkItem("segment mean vehicle speed [m/s]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getMeanSpeed));
    ret->mkItem("segment flow [veh/h/lane]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getFlow));
    ret->mkItem("segment #vehicles", true, new CastingFunctionBinding<MESegment, SUMOReal, size_t>(segment, &MESegment::getCarNumber));
    ret->mkItem("segment leader leave time", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getEventTimeSeconds));

    // close building
    ret->closeBuilding();
#else
    UNUSED_PARAMETER(app);
    UNUSED_PARAMETER(parent);
#endif
    return ret;
}

GUIParameterTableWindow*
GUIEdge::getParameterWindow(GUIMainWindow& app,
                            GUISUMOAbstractView& parent) {
    GUIParameterTableWindow* ret = 0;
    ret = new GUIParameterTableWindow(app, *this, 18);
    // add edge items
    ret->mkItem("length [m]", false, (*myLanes)[0]->getLength());
    ret->mkItem("allowed speed [m/s]", false, getAllowedSpeed());
    ret->mkItem("brutto occupancy [%]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getBruttoOccupancy, 100.));
    ret->mkItem("mean vehicle speed [m/s]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getMeanSpeed));
    ret->mkItem("flow [veh/h/lane]", true, new FunctionBinding<GUIEdge, SUMOReal>(this, &GUIEdge::getFlow));
    ret->mkItem("routing speed [m/s]", true, new FunctionBinding<MSEdge, SUMOReal>(this, &MSEdge::getRoutingSpeed));
    ret->mkItem("#vehicles", true, new CastingFunctionBinding<GUIEdge, SUMOReal, int>(this, &GUIEdge::getVehicleNo));
    ret->mkItem("vehicle ids", false, getVehicleIDs());
    // add segment items
    MESegment* segment = getSegmentAtPosition(parent.getPositionInformation());
    ret->mkItem("segment index", false, segment->getIndex());
    ret->mkItem("segment queues", false, segment->numQueues());
    ret->mkItem("segment length [m]", false, segment->getLength());
    ret->mkItem("segment allowed speed [m/s]", false, segment->getEdge().getSpeedLimit());
    ret->mkItem("segment jam threshold [%]", false, segment->getRelativeJamThreshold() * 100);
    ret->mkItem("segment brutto occupancy [%]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getRelativeOccupancy, 100));
    ret->mkItem("segment mean vehicle speed [m/s]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getMeanSpeed));
    ret->mkItem("segment flow [veh/h/lane]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getFlow));
    ret->mkItem("segment #vehicles", true, new CastingFunctionBinding<MESegment, SUMOReal, int>(segment, &MESegment::getCarNumber));
    ret->mkItem("segment leader leave time", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getEventTimeSeconds));
    ret->mkItem("segment headway [s]", true, new FunctionBinding<MESegment, SUMOReal>(segment, &MESegment::getLastHeadwaySeconds));

    // close building
    ret->closeBuilding();
    return ret;
}

void
NLDetectorBuilder::buildInductLoop(const std::string& id,
                                   const std::string& lane, SUMOReal pos, int splInterval,
                                   const std::string& device, bool friendlyPos, bool splitByType) {
    checkSampleInterval(splInterval, SUMO_TAG_E1DETECTOR, id);
    // get and check the lane
    MSLane* clane = getLaneChecking(lane, SUMO_TAG_E1DETECTOR, id);
    if (!MSGlobals::gUseMesoSim) {
        // get and check the position
        pos = getPositionChecking(pos, clane, friendlyPos, id);
        // build the loop
        MSDetectorFileOutput* loop = createInductLoop(id, clane, pos, splitByType);
        // add the file output
        myNet.getDetectorControl().add(SUMO_TAG_INDUCTION_LOOP, loop, device, splInterval);
    } else {
#ifdef HAVE_INTERNAL
        if (pos < 0) {
            pos = clane->getLength() + pos;
        }
        MESegment* s = MSGlobals::gMesoNet->getSegmentForEdge(clane->getEdge());
        MESegment* prev = s;
        SUMOReal cpos = 0;
        while (cpos + prev->getLength() < pos && s != 0) {
            prev = s;
            cpos += s->getLength();
            s = s->getNextSegment();
        }
        SUMOReal rpos = pos - cpos; //-prev->getLength();
        if (rpos > prev->getLength() || rpos < 0) {
            if (friendlyPos) {
                rpos = prev->getLength() - (SUMOReal) 0.1;
            } else {
                throw InvalidArgument("The position of detector '" + id + "' lies beyond the lane's '" + lane + "' length.");
            }
        }
        MEInductLoop* loop =
            createMEInductLoop(id, prev, rpos);
        myNet.getDetectorControl().add(SUMO_TAG_INDUCTION_LOOP, loop, device, splInterval);
#endif
    }
}

void
GUIEdge::drawMesoVehicles(const GUIVisualizationSettings& s) const {
    GUIMEVehicleControl* vehicleControl = GUINet::getGUIInstance()->getGUIMEVehicleControl();
    if (vehicleControl != 0) {
        // draw the meso vehicles
        vehicleControl->secureVehicles();
        AbstractMutex::ScopedLocker locker(myLock);
        size_t laneIndex = 0;
        MESegment::Queue queue;
        for (std::vector<MSLane*>::const_iterator msl = myLanes->begin(); msl != myLanes->end(); ++msl, ++laneIndex) {
            GUILane* l = static_cast<GUILane*>(*msl);
            // go through the vehicles
            SUMOReal segmentOffset = 0; // offset at start of current segment
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                const SUMOReal length = segment->getLength();
                if (laneIndex < segment->numQueues()) {
                    // make a copy so we don't have to worry about synchronization
                    queue = segment->getQueue(laneIndex);
                    const size_t queueSize = queue.size();
                    SUMOReal vehiclePosition = segmentOffset + length;
                    // draw vehicles beginning with the leader at the end of the segment
                    SUMOReal xOff = 0;
                    for (size_t i = 0; i < queueSize; ++i) {
                        GUIMEVehicle* veh = static_cast<GUIMEVehicle*>(queue[queueSize - i - 1]);
                        const SUMOReal vehLength = veh->getVehicleType().getLengthWithGap();
                        while (vehiclePosition < segmentOffset) {
                            // if there is only a single queue for a
                            // multi-lane edge shift vehicles and start
                            // drawing again from the end of the segment
                            vehiclePosition += length;
                            xOff += 2;
                        }
                        const Position p = l->geometryPositionAtOffset(vehiclePosition);
                        const SUMOReal angle = l->getShape().rotationAtOffset(l->interpolateLanePosToGeometryPos(vehiclePosition));
                        veh->setPositionAndAngle(p, angle);
                        veh->drawGL(s);
                        vehiclePosition -= vehLength;
                    }
                }
                segmentOffset += length;
            }
            glPopMatrix();
        }
        vehicleControl->releaseVehicles();
    }
}

void
GUIEdge::drawMesoVehicles(const GUIVisualizationSettings& s) const {
    const GUIVisualizationTextSettings& nameSettings = s.vehicleName;
    const SUMOReal exaggeration = s.vehicleSize.getExaggeration(s);
    GUIMEVehicleControl* vehicleControl = GUINet::getGUIInstance()->getGUIMEVehicleControl();
    if (vehicleControl != 0) {
        // draw the meso vehicles
        vehicleControl->secureVehicles();
        size_t laneIndex = 0;
        MESegment::Queue queue;
        for (std::vector<MSLane*>::const_iterator msl = myLanes->begin(); msl != myLanes->end(); ++msl, ++laneIndex) {
            GUILane* l = static_cast<GUILane*>(*msl);
            // go through the vehicles
            SUMOReal segmentOffset = 0; // offset at start of current segment
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                const SUMOReal length = segment->getLength() * segment->getLengthGeometryFactor();
                if (laneIndex < segment->numQueues()) {
                    // make a copy so we don't have to worry about synchronization
                    queue = segment->getQueue(laneIndex);
                    const SUMOReal avgCarSize = segment->getBruttoOccupancy() / segment->getCarNumber();
                    const SUMOReal avgCarHalfSize = 0.5 * avgCarSize;
                    const size_t queueSize = queue.size();
                    SUMOReal vehiclePosition = segmentOffset + length;
                    // draw vehicles beginning with the leader at the end of the segment
                    SUMOReal xOff = 0;
                    for (size_t i = 0; i < queueSize; ++i) {
                        MSBaseVehicle* veh = queue[queueSize - i - 1];
                        const SUMOReal vehLength = veh->getVehicleType().getLengthWithGap();
                        setVehicleColor(s, veh);
                        while (vehiclePosition < segmentOffset) {
                            // if there is only a single queue for a
                            // multi-lane edge shift vehicles and start
                            // drawing again from the end of the segment
                            vehiclePosition += length;
                            xOff += 2;
                        }
                        const Position p = l->geometryPositionAtOffset(vehiclePosition);
                        const SUMOReal angle = -l->getShape().rotationDegreeAtOffset(l->interpolateLanePosToGeometryPos(vehiclePosition));
                        glPushMatrix();
                        glTranslated(p.x(), p.y(), 0);
                        glRotated(angle, 0, 0, 1);
                        glTranslated(xOff, 0, GLO_VEHICLE);
                        glScaled(exaggeration, vehLength * exaggeration, 1);
                        glBegin(GL_TRIANGLES);
                        glVertex2d(0, 0);
                        glVertex2d(0 - 1.25, 1);
                        glVertex2d(0 + 1.25, 1);
                        glEnd();
                        glPopMatrix();
                        if (nameSettings.show) {
                            glPushMatrix();
                            glRotated(angle, 0, 0, 1);
                            glTranslated(xOff, 0, 0);
                            glRotated(-angle, 0, 0, 1);
                            GLHelper::drawText(veh->getID(),
                                               l->geometryPositionAtOffset(vehiclePosition - 0.5 * vehLength),
                                               GLO_MAX, nameSettings.size / s.scale, nameSettings.color);
                            glPopMatrix();
                        }
                        vehiclePosition -= vehLength;
                    }
                }
                segmentOffset += length;
            }
            glPopMatrix();
        }
        vehicleControl->releaseVehicles();
    }
}

void
GUIEdge::drawGL(const GUIVisualizationSettings& s) const {
    if (s.hideConnectors && myFunction == MSEdge::EDGEFUNCTION_CONNECTOR) {
        return;
    }
    if (MSGlobals::gUseMesoSim) {
        glPushName(getGlID());
    }
    // draw the lanes
    for (LaneWrapperVector::const_iterator i = myLaneGeoms.begin(); i != myLaneGeoms.end(); ++i) {
#ifdef HAVE_INTERNAL
        if (MSGlobals::gUseMesoSim) {
            setColor(s);
        }
#endif
        (*i)->drawGL(s);
    }
#ifdef HAVE_INTERNAL
    if (MSGlobals::gUseMesoSim) {
        const GUIVisualizationTextSettings& nameSettings = s.vehicleName;
        GUIMEVehicleControl* vehicleControl = GUINet::getGUIInstance()->getGUIMEVehicleControl();
        if (vehicleControl != 0) {
            // draw the meso vehicles
            vehicleControl->secureVehicles();
            size_t laneIndex = 0;
            MESegment::Queue queue;
            for (LaneWrapperVector::const_iterator l = myLaneGeoms.begin(); l != myLaneGeoms.end(); ++l, ++laneIndex) {
                const PositionVector& shape = (*l)->getShape();
                const std::vector<SUMOReal>& shapeRotations = (*l)->getShapeRotations();
                const std::vector<SUMOReal>& shapeLengths = (*l)->getShapeLengths();
                const Position& laneBeg = shape[0];
                glPushMatrix();
                glTranslated(laneBeg.x(), laneBeg.y(), 0);
                glRotated(shapeRotations[0], 0, 0, 1);
                // go through the vehicles
                int shapeIndex = 0;
                SUMOReal shapeOffset = 0; // ofset at start of current shape
                SUMOReal segmentOffset = 0; // offset at start of current segment
                for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                        segment != 0; segment = segment->getNextSegment()) {
                    const SUMOReal length = segment->getLength();
                    if (laneIndex < segment->numQueues()) {
                        // make a copy so we don't have to worry about synchronization
                        queue = segment->getQueue(laneIndex);
                        const SUMOReal avgCarSize = segment->getOccupancy() / segment->getCarNumber();
                        const size_t queueSize = queue.size();
                        for (size_t i = 0; i < queueSize; i++) {
                            MSBaseVehicle* veh = queue[queueSize - i - 1];
                            setVehicleColor(s, veh);
                            SUMOReal vehiclePosition = segmentOffset + length - i * avgCarSize;
                            SUMOReal xOff = 0.f;
                            while (vehiclePosition < segmentOffset) {
                                // if there is only a single queue for a
                                // multi-lane edge shift vehicles and start
                                // drawing again from the end of the segment
                                vehiclePosition += length;
                                xOff += 0.5f;
                            }
                            while (shapeIndex < (int)shapeRotations.size() - 1 && vehiclePosition > shapeOffset + shapeLengths[shapeIndex]) {
                                glPopMatrix();
                                shapeOffset += shapeLengths[shapeIndex];
                                shapeIndex++;
                                glPushMatrix();
                                glTranslated(shape[shapeIndex].x(), shape[shapeIndex].y(), 0);
                                glRotated(shapeRotations[shapeIndex], 0, 0, 1);
                            }
                            glPushMatrix();
                            glTranslated(xOff, -(vehiclePosition - shapeOffset), GLO_VEHICLE);
                            glPushMatrix();
                            glScaled(1, avgCarSize, 1);
                            glBegin(GL_TRIANGLES);
                            glVertex2d(0, 0);
                            glVertex2d(0 - 1.25, 1);
                            glVertex2d(0 + 1.25, 1);
                            glEnd();
                            glPopMatrix();
                            glPopMatrix();
                            if (nameSettings.show) {
                                GLHelper::drawText(veh->getID(),
                                                   Position(xOff, -(vehiclePosition - shapeOffset)),
                                                   GLO_MAX, nameSettings.size / s.scale, nameSettings.color, 0);
                            }
                        }
                    }
                    segmentOffset += length;
                }
                glPopMatrix();
            }
            vehicleControl->releaseVehicles();
        }
        glPopName();
    }
#endif
    // (optionally) draw the name and/or the street name
    const bool drawEdgeName = s.edgeName.show && myFunction == EDGEFUNCTION_NORMAL;
    const bool drawInternalEdgeName = s.internalEdgeName.show && myFunction != EDGEFUNCTION_NORMAL;
    const bool drawStreetName = s.streetName.show && myStreetName != "";
    if (drawEdgeName || drawInternalEdgeName || drawStreetName) {
        GUILaneWrapper* lane1 = myLaneGeoms[0];
        GUILaneWrapper* lane2 = myLaneGeoms[myLaneGeoms.size() - 1];
//.........这里部分代码省略.........

bool
GUIEdge::setMultiColor(const GUIColorer& c) const {
    const int activeScheme = c.getActive();
    mySegmentColors.clear();
    switch (activeScheme) {
        case 10: // alternating segments
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                mySegmentColors.push_back(c.getScheme().getColor(segment->getIndex() % 2));
            }
            //std::cout << getID() << " scheme=" << c.getScheme().getName() << " schemeCols=" << c.getScheme().getColors().size() << " thresh=" << toString(c.getScheme().getThresholds()) << " segmentColors=" << mySegmentColors.size() << " [0]=" << mySegmentColors[0] << " [1]=" << mySegmentColors[1] <<  "\n";
            return true;
        case 11: // by segment jammed state
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                mySegmentColors.push_back(c.getScheme().getColor(segment->free() ? 0 : 1));
            }
            return true;
        case 12: // by segment occupancy
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                mySegmentColors.push_back(c.getScheme().getColor(segment->getRelativeOccupancy()));
            }
            return true;
        case 13: // by segment speed
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                mySegmentColors.push_back(c.getScheme().getColor(segment->getMeanSpeed()));
            }
            return true;
        case 14: // by segment flow
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                mySegmentColors.push_back(c.getScheme().getColor(3600 * segment->getCarNumber() * segment->getMeanSpeed() / segment->getLength()));
            }
            return true;
        case 15: // by segment relative speed
            for (MESegment* segment = MSGlobals::gMesoNet->getSegmentForEdge(*this);
                    segment != 0; segment = segment->getNextSegment()) {
                mySegmentColors.push_back(c.getScheme().getColor(segment->getMeanSpeed() / getAllowedSpeed()));
            }
            return true;
        default:
            return false;
    }
}