759 lines
22 KiB
Go
759 lines
22 KiB
Go
package repository
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import (
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"errors"
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"fmt"
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"math"
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"strconv"
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"go.uber.org/zap"
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"joylink.club/rtsssimulation/repository/model/proto"
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"joylink.club/rtsssimulation/util/number"
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)
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var repositoryMap = make(map[string]*Repository)
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func BuildRepository(source *proto.Repository) (*Repository, error) {
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errMsg := baseCheck(source)
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if len(errMsg) != 0 {
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println("-------------------- 数据异常信息 --------------------")
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for _, s := range errMsg {
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println(s)
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}
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return nil, errors.New("数据校验未通过")
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}
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repository := newRepository(source.Id, source.Version)
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buildModels(source, repository)
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zap.S().Debug("基础模型构建完毕")
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err := buildModelRelationship(source, repository)
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zap.S().Debug("模型关系构建完毕")
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if err != nil {
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return nil, err
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}
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err = buildLinksAndRelate(repository)
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zap.S().Debug("构建Link并与模型关联完毕")
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if err != nil {
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return nil, err
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}
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repositoryMap[buildRepositoryKey(source.Id, source.Version)] = repository
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return repository, err
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}
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func FindRepository(id string, version string) *Repository {
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return repositoryMap[buildRepositoryKey(id, version)]
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}
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func buildRepositoryKey(id string, version string) string {
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return id + "_" + version
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}
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func buildModels(source *proto.Repository, repository *Repository) {
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for _, protoData := range source.KilometerConverts {
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repository.addKilometerConvert(protoData)
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}
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for _, protoData := range source.PhysicalSections {
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m := NewPhysicalSection(protoData.Id)
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repository.physicalSectionMap[m.Id()] = m
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}
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for _, protoData := range source.CheckPoints {
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m := NewCheckPoint(protoData.Id, protoData.Km, protoData.Type)
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repository.checkPointMap[m.Id()] = m
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}
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for _, protoData := range source.Turnouts {
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m := NewTurnout(protoData.Id, protoData.Km, protoData.SwitchMachineType)
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repository.turnoutMap[m.Id()] = m
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}
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for _, protoData := range source.Signals {
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m := NewSignal(protoData.Id, protoData.Km)
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repository.signalMap[m.Id()] = m
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}
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for _, protoData := range source.Transponders {
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m := NewTransponder(protoData.Id, protoData.Km)
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repository.responderMap[m.Id()] = m
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}
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for _, protoData := range source.Slopes {
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m := NewSlope(protoData.Id, protoData.Kms, protoData.Degree)
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repository.slopeMap[m.Id()] = m
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}
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for _, protoData := range source.SectionalCurvatures {
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m := NewSectionalCurvature(protoData.Id, protoData.Kms, protoData.Radius)
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repository.sectionalCurvatureMap[m.Id()] = m
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}
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for _, protoData := range source.Relays {
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m := newRelay(protoData.Id, protoData.Code, protoData.Model)
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repository.relayMap[m.Id()] = m
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}
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for _, protoData := range source.PhaseFailureProtectors {
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m := newPhaseFailureProtector(protoData.Id, protoData.Code)
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repository.phaseFailureProtectorMap[m.Id()] = m
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}
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for _, protoData := range source.Buttons {
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m := NewButton(protoData.Id, protoData.Code, protoData.ButtonType)
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repository.buttonMap[m.Id()] = m
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}
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}
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func buildModelRelationship(source *proto.Repository, repository *Repository) error {
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err := buildCheckPointRelationShip(source, repository)
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if err != nil {
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return err
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}
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err = buildPhysicalSectionRelationShip(source, repository)
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if err != nil {
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return err
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}
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err = buildTurnoutRelationShip(source, repository)
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if err != nil {
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return err
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}
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err = buildSignalRelationShip(source, repository)
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if err != nil {
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return err
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}
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err = buildResponderRelationShip(source, repository)
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if err != nil {
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return err
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}
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err = completeTurnoutPortKm(repository)
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if err != nil {
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return err
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}
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return err
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}
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// 补全道岔端口的公里标
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func completeTurnoutPortKm(repo *Repository) error {
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ports := []proto.Port{proto.Port_A, proto.Port_B, proto.Port_C}
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for _, turnout := range repo.turnoutMap {
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for _, port := range ports {
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tpKm := turnout.findBoundaryKmByPort(port)
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if tpKm == nil {
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dp := turnout.findDevicePortByPort(port)
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otherTurnout := repo.turnoutMap[dp.Device().Id()]
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otherKm, err := convertKilometer(repo, otherTurnout.km, turnout.km.CoordinateSystem)
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if err != nil {
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return err
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}
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km := &proto.Kilometer{
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Value: (turnout.km.Value + otherKm.Value) / 2,
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CoordinateSystem: turnout.km.CoordinateSystem,
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Direction: turnout.km.Direction,
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}
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err = turnout.bindBoundaryKm(km, port)
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if err != nil {
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return err
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}
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err = otherTurnout.bindBoundaryKm(km, dp.Port())
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if err != nil {
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return err
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}
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}
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}
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}
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return nil
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}
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func buildCheckPointRelationShip(source *proto.Repository, repo *Repository) error {
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for _, protoData := range source.CheckPoints {
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cp := repo.checkPointMap[protoData.Id]
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isBoundary := protoData.Type == proto.CheckPointType_Boundary
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for _, protoDp := range protoData.DevicePorts {
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switch protoDp.DeviceType {
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case proto.DeviceType_DeviceType_PhysicalSection:
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section := repo.physicalSectionMap[protoDp.DeviceId]
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if isBoundary { //是区段边界
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err := section.bindBoundaryKm(cp.km, protoDp.Port)
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if err != nil {
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return err
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}
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} else {
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//检测点关联区段端口
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cp.bindDevicePort(&PhysicalSectionPort{
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section: section,
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port: protoDp.Port,
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})
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//区段关联检测点
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section.bindDevices(cp)
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//如果区段边界未设置
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if section.findBoundaryKmByPort(protoDp.Port) == nil {
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if err := section.bindBoundaryKm(cp.km, protoDp.Port); err != nil {
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return err
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}
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}
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}
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case proto.DeviceType_DeviceType_Turnout:
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turnout := repo.turnoutMap[protoDp.DeviceId]
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if isBoundary { //是区段边界
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err := turnout.bindBoundaryKm(cp.km, protoDp.Port)
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if err != nil {
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return err
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}
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} else {
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//检测点关联道岔端口
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cp.bindDevicePort(&TurnoutPort{
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turnout: turnout,
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port: protoDp.Port,
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})
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//道岔关联检测点
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turnout.bindDevice(cp, protoDp.Port)
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//如果区段边界未设置
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if turnout.findBoundaryKmByPort(protoDp.Port) == nil {
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if err := turnout.bindBoundaryKm(cp.km, protoDp.Port); err != nil {
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return err
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}
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}
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}
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}
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}
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}
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return nil
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}
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func buildResponderRelationShip(source *proto.Repository, repository *Repository) error {
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for _, protoData := range source.Transponders {
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responder := repository.responderMap[protoData.Id]
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//应答器和区段相互关联
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if protoData.SectionId != "" {
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interrelateResponderAndPhysicalSection(responder, repository.physicalSectionMap[protoData.SectionId])
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}
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//应答器和道岔相互关联
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tp := protoData.TurnoutPort
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if tp != nil {
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if tp.DeviceType != proto.DeviceType_DeviceType_Turnout {
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return errors.New(fmt.Sprintf("应答器[%s]关联的[%s-%s-%s]并非道岔端口",
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responder.Id(), tp.DeviceId, tp.DeviceType, tp.Port))
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}
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interrelateResponderAndTurnout(responder, repository.turnoutMap[tp.DeviceId], tp.Port)
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}
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}
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return nil
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}
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func buildSignalRelationShip(source *proto.Repository, repository *Repository) error {
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for _, protoData := range source.Signals {
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signal := repository.signalMap[protoData.Id]
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//信号机和区段相互关联
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if protoData.SectionId != "" {
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interrelateSignalAndPhysicalSection(signal, repository.physicalSectionMap[protoData.SectionId])
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}
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//信号机和道岔相互关联
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tp := protoData.TurnoutPort
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if tp != nil {
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if tp.DeviceType != proto.DeviceType_DeviceType_Turnout {
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return errors.New(fmt.Sprintf("信号机[%s]关联的[%s-%s-%s]并非道岔端口",
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signal.Id(), tp.DeviceId, tp.DeviceType, tp.Port))
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}
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interrelateSignalAndTurnout(signal, repository.turnoutMap[tp.DeviceId], tp.Port)
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}
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//关联继电器组
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for _, group := range protoData.ElectronicComponentGroups {
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var components []IGroupedElectronicComponent
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for _, id := range group.GetComponentIds() {
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if relay := repository.relayMap[id]; relay != nil {
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components = append(components, relay)
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}
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}
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signal.componentGroups = append(signal.componentGroups, &ElectronicComponentGroup{
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code: group.Code,
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components: components,
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})
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}
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}
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return nil
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}
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func buildTurnoutRelationShip(source *proto.Repository, repo *Repository) error {
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for _, protoData := range source.Turnouts {
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turnout := repo.turnoutMap[protoData.Id]
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err := buildTurnoutPortRelation(repo, turnout, proto.Port_A, protoData.ADevicePort)
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if err != nil {
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return err
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}
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err = buildTurnoutPortRelation(repo, turnout, proto.Port_B, protoData.BDevicePort)
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if err != nil {
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return err
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}
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err = buildTurnoutPortRelation(repo, turnout, proto.Port_C, protoData.CDevicePort)
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if err != nil {
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return err
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}
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//关联继电器组
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for _, group := range protoData.ElectronicComponentGroups {
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var components []IGroupedElectronicComponent
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for _, id := range group.GetComponentIds() {
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if relay := repo.relayMap[id]; relay != nil {
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components = append(components, relay)
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} else if pfp := repo.phaseFailureProtectorMap[id]; pfp != nil {
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components = append(components, pfp)
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}
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}
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turnout.componentGroups = append(turnout.componentGroups, &ElectronicComponentGroup{
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code: group.Code,
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components: components,
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})
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}
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}
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return nil
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}
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func buildTurnoutPortRelation(repo *Repository, turnout *Turnout, port proto.Port, protoDp *proto.DevicePort) error {
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model, err := repo.FindModel(protoDp.DeviceId, protoDp.DeviceType)
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if err != nil {
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return err
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}
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dp, err := buildDevicePort(model, protoDp.Port)
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if err != nil {
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return err
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}
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err = turnout.bindDevicePort(port, dp)
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return err
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}
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func buildPhysicalSectionRelationShip(source *proto.Repository, repository *Repository) error {
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for _, protoData := range source.PhysicalSections {
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section := repository.physicalSectionMap[protoData.Id]
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//A端关联
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if protoData.ADevicePort != nil {
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err := buildSectionPortRelation(repository, section, proto.Port_A, protoData.ADevicePort)
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if err != nil {
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return err
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}
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}
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//B端关联
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if protoData.BDevicePort != nil {
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err := buildSectionPortRelation(repository, section, proto.Port_B, protoData.BDevicePort)
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if err != nil {
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return err
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}
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}
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//道岔关联
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for _, turnoutId := range protoData.TurnoutIds {
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turnout := repository.turnoutMap[turnoutId]
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if turnout == nil {
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return errors.New(fmt.Sprintf("id[%s]的道岔不存在", turnoutId))
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}
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section.bindTurnouts(turnout)
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turnout.section = section
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}
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}
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return nil
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}
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// 构建物理区段指定端口的关联关系。区段{section}的{port}端口关联{protoDp}
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func buildSectionPortRelation(repo *Repository, section *PhysicalSection, port proto.Port, protoDp *proto.DevicePort) error {
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model, err := repo.FindModel(protoDp.DeviceId, protoDp.DeviceType)
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if err != nil {
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return err
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}
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dp, err := buildDevicePort(model, protoDp.Port)
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if err != nil {
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return err
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}
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err = section.bindDevicePort(port, dp)
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if err != nil {
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return err
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}
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return nil
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}
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func buildDevicePort(device Identity, port proto.Port) (DevicePort, error) {
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var dp DevicePort
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switch device.Type() {
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case proto.DeviceType_DeviceType_PhysicalSection:
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section := device.(*PhysicalSection)
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dp = &PhysicalSectionPort{
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section: section,
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port: port,
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}
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case proto.DeviceType_DeviceType_Turnout:
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turnout := device.(*Turnout)
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dp = &TurnoutPort{
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turnout: turnout,
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port: port,
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}
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case proto.DeviceType_DeviceType_Link:
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link := device.(*Link)
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dp = &LinkPort{
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link: link,
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port: port,
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}
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default:
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return nil, errors.New(fmt.Sprintf("[%s]类型设备没有端口", device.Type()))
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}
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return dp, nil
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}
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// 相互关联道岔和检测点
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func interrelateTurnoutAndCheckPoints(turnout *Turnout, point *CheckPoint, port proto.Port) {
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turnout.bindDevice(point, port)
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point.bindDevicePort(&TurnoutPort{
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turnout: turnout,
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port: port,
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})
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}
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// 相互关联物理区段和信号机
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func interrelateSignalAndPhysicalSection(signal *Signal, section *PhysicalSection) {
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section.bindDevices(signal)
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//signal.bindSection(section)
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}
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// 相互关联信号机和道岔
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func interrelateSignalAndTurnout(signal *Signal, turnout *Turnout, port proto.Port) {
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//signal.bindTurnoutPort(TurnoutPort{
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// turnout: turnout,
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// port: port,
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//})
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turnout.bindDevice(signal, port)
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}
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// 相互关联应答器和物理区段
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func interrelateResponderAndPhysicalSection(responder *Transponder, section *PhysicalSection) {
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//responder.bindSection(section)
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section.bindDevices(responder)
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}
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// 相互关联应答器和道岔
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func interrelateResponderAndTurnout(responder *Transponder, turnout *Turnout, port proto.Port) {
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//responder.bindTurnoutPort(TurnoutPort{
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// turnout: turnout,
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// port: port,
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//})
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turnout.bindDevice(responder, port)
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}
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func buildLinksAndRelate(repo *Repository) error {
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//构建link
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err := buildLinks(repo)
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if err != nil {
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return err
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}
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//Slope关联Link
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err = slopeRelateLink(repo)
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if err != nil {
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return err
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}
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//SectionalCurvature关联Link
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err = sectionalCurvatureRelateLink(repo)
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if err != nil {
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return err
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}
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return nil
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}
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func buildLinks(repo *Repository) error {
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visitedTurnoutPortMap := make(map[string]bool)
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allTurnouts := repo.TurnoutList()
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linkIdGenerator := 1
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for {
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//找一个未遍历过的道岔端口
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startTp := getATurnoutPort(allTurnouts, visitedTurnoutPortMap)
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if startTp == nil {
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break
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}
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//以始端道岔的公里标作为公里标换算的基准
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baseKm := startTp.turnout.km
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//创建基础Link
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link := &Link{
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Identity: identity{
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id: strconv.Itoa(linkIdGenerator), //由于发给动力学的link的id是数字，所以这里也用数字
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deviceType: proto.DeviceType_DeviceType_Link,
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}}
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linkIdGenerator++
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//以此道岔端口作为Link的A端节点
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interrelateLinkAndTurnout(repo, baseKm, startTp, &LinkPort{link, proto.Port_A})
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//沿着道岔端口方向，一直寻找到轨道尽头或者下一个道岔端口。构建并关联中间的设备在link上的位置
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endTp, endKm, err := findEndTurnoutPortOrEndKm(repo, link, startTp, baseKm)
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if err != nil {
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return err
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}
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//以下一个道岔端口作为Link的B端节点
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if endTp != nil {
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visitedTurnoutPortMap[buildTurnoutPortKey(endTp)] = true
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endKm = endTp.turnout.km
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interrelateLinkAndTurnout(repo, baseKm, endTp, &LinkPort{link, proto.Port_B})
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} else {
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link.bindKm(endKm, proto.Port_B)
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}
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//计算Link长度
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convertedKm, err := convertKilometer(repo, endKm, baseKm.CoordinateSystem)
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if err != nil {
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return err
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}
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link.length = int64(math.Abs(float64(convertedKm.Value - baseKm.Value)))
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repo.linkMap[link.Id()] = link
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}
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return nil
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}
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func findEndTurnoutPortOrEndKm(repo *Repository, link *Link, startTp *TurnoutPort,
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baseKm *proto.Kilometer) (*TurnoutPort, *proto.Kilometer, error) {
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var endTp *TurnoutPort
|
||
var endKm *proto.Kilometer
|
||
var err error
|
||
|
||
visitedModelMap := make(map[string]bool)
|
||
var currentDp DevicePort = startTp
|
||
devices := startTp.turnout.findDevicesByPort(startTp.port)
|
||
for {
|
||
//遍历设备并构建、关联其在Link上的位置
|
||
err = relateDevicesAndLink(repo, link, baseKm, visitedModelMap, devices...)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
//顺着端口寻找下一个设备端口
|
||
var nextDp DevicePort
|
||
switch currentDp.Device().Type() {
|
||
case proto.DeviceType_DeviceType_PhysicalSection:
|
||
section := currentDp.Device().(*PhysicalSection)
|
||
relatePhysicalSectionAndLink(repo, section, link, baseKm)
|
||
nextDp = section.findOtherDevicePort(currentDp.Port())
|
||
if nextDp == nil {
|
||
endKm = section.findOtherBoundaryKmByPort(currentDp.Port())
|
||
}
|
||
case proto.DeviceType_DeviceType_Turnout:
|
||
turnout := currentDp.Device().(*Turnout)
|
||
nextDp = turnout.findDevicePortByPort(currentDp.Port())
|
||
if nextDp == nil {
|
||
endKm = turnout.findBoundaryKmByPort(currentDp.Port())
|
||
}
|
||
}
|
||
//根据下一个端口设备的信息决定是否结束循环
|
||
if nextDp == nil {
|
||
break
|
||
}
|
||
currentDp = nextDp
|
||
var nextIsTp bool
|
||
switch nextDp.Device().Type() {
|
||
case proto.DeviceType_DeviceType_PhysicalSection:
|
||
devices = nextDp.Device().(*PhysicalSection).devices
|
||
case proto.DeviceType_DeviceType_Turnout:
|
||
nextIsTp = true
|
||
endTp = nextDp.(*TurnoutPort)
|
||
devices = nextDp.Device().(*Turnout).findDevicesByPort(nextDp.Port())
|
||
err = relateDevicesAndLink(repo, link, baseKm, visitedModelMap, devices...)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
}
|
||
if nextIsTp {
|
||
break
|
||
}
|
||
}
|
||
|
||
return endTp, endKm, err
|
||
}
|
||
|
||
func relatePhysicalSectionAndLink(repo *Repository, section *PhysicalSection, link *Link, baseKm *proto.Kilometer) {
|
||
link.bindPhysicalSections(section)
|
||
aKm, _ := convertKilometer(repo, section.aKm, baseKm.CoordinateSystem)
|
||
bKm, _ := convertKilometer(repo, section.bKm, baseKm.CoordinateSystem)
|
||
aOffset := number.Abs(aKm.Value - baseKm.Value)
|
||
bOffset := number.Abs(bKm.Value - baseKm.Value)
|
||
section.aLinkPosition = &LinkPosition{
|
||
link: link,
|
||
offset: aOffset,
|
||
}
|
||
section.bLinkPosition = &LinkPosition{
|
||
link: link,
|
||
offset: bOffset,
|
||
}
|
||
if aOffset <= bOffset {
|
||
section.startLinkPosition = section.aLinkPosition
|
||
section.endLinkPosition = section.bLinkPosition
|
||
} else {
|
||
section.startLinkPosition = section.bLinkPosition
|
||
section.endLinkPosition = section.aLinkPosition
|
||
}
|
||
}
|
||
|
||
func getATurnoutPort(turnouts []*Turnout, visitedTurnoutMap map[string]bool) *TurnoutPort {
|
||
portSlice := []proto.Port{proto.Port_A, proto.Port_B, proto.Port_C}
|
||
for _, turnout := range turnouts {
|
||
for _, port := range portSlice {
|
||
tp := &TurnoutPort{
|
||
turnout: turnout,
|
||
port: port,
|
||
}
|
||
key := buildTurnoutPortKey(tp)
|
||
if !visitedTurnoutMap[key] {
|
||
visitedTurnoutMap[key] = true
|
||
return tp
|
||
}
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func buildTurnoutPortKey(tp *TurnoutPort) string {
|
||
return fmt.Sprintf("%s-%s", tp.turnout.Id(), tp.port)
|
||
}
|
||
|
||
func relateDevicesAndLink(repo *Repository, link *Link, startKm *proto.Kilometer, visitedModelMap map[string]bool, devices ...Identity) error {
|
||
for _, device := range devices {
|
||
if visitedModelMap[device.Id()] {
|
||
continue
|
||
}
|
||
km := findModelKm(device)
|
||
if km == nil || km.CoordinateSystem == "" {
|
||
continue
|
||
}
|
||
convertedKm, err := convertKilometer(repo, km, startKm.CoordinateSystem)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
offset := int64(math.Abs(float64(convertedKm.Value - startKm.Value)))
|
||
linkPosition := &LinkPosition{
|
||
link: link,
|
||
offset: offset,
|
||
}
|
||
switch device.Type() {
|
||
case proto.DeviceType_DeviceType_CheckPoint:
|
||
device.(*CheckPoint).bindLinkPosition(linkPosition)
|
||
case proto.DeviceType_DeviceType_Signal:
|
||
device.(*Signal).bindLinkPosition(linkPosition)
|
||
case proto.DeviceType_DeviceType_Transponder:
|
||
device.(*Transponder).bindLinkPosition(linkPosition)
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func interrelateLinkAndTurnout(repo *Repository, baseKm *proto.Kilometer, tp *TurnoutPort, linkPort *LinkPort) {
|
||
tp.turnout.bindLinkPort(tp.port, linkPort)
|
||
linkPort.link.bindTurnoutPort(linkPort.port, tp)
|
||
tpKm := tp.turnout.findBoundaryKmByPort(tp.port)
|
||
tpKm, _ = convertKilometer(repo, tpKm, baseKm.CoordinateSystem)
|
||
offset := number.Abs(tpKm.Value - baseKm.Value)
|
||
tp.turnout.bindLinkPosition(tp.port, &LinkPosition{
|
||
link: linkPort.link,
|
||
offset: offset,
|
||
})
|
||
}
|
||
|
||
func findModelKm(model Identity) *proto.Kilometer {
|
||
switch model.Type() {
|
||
case proto.DeviceType_DeviceType_Signal:
|
||
return model.(*Signal).km
|
||
case proto.DeviceType_DeviceType_Transponder:
|
||
return model.(*Transponder).km
|
||
case proto.DeviceType_DeviceType_CheckPoint:
|
||
return model.(*CheckPoint).km
|
||
case proto.DeviceType_DeviceType_Turnout:
|
||
return model.(*Turnout).km
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func slopeRelateLink(repo *Repository) error {
|
||
slopeMap := repo.slopeMap
|
||
for _, slope := range slopeMap {
|
||
start, end, err := calculateLinkSegment(repo, slope.kms[0], slope.kms[1])
|
||
if err != nil {
|
||
return err
|
||
}
|
||
slope.bindStartLinkPosition(start)
|
||
slope.bindEndLinkPosition(end)
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func calculateLinkSegment(repo *Repository, startKm *proto.Kilometer,
|
||
endKm *proto.Kilometer) (*LinkPosition, *LinkPosition, error) {
|
||
|
||
endKm, err := convertKilometer(repo, endKm, startKm.CoordinateSystem)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
var start *LinkPosition
|
||
var end *LinkPosition
|
||
var minKmValue float64
|
||
var minKmLink *Link
|
||
var maxKmValue float64
|
||
var maxKmLink *Link
|
||
for _, link := range repo.linkMap {
|
||
//将link两端的公里标转为aKm同坐标系的公里标
|
||
linkAKm := link.aKm
|
||
linkBKm := link.bKm
|
||
if linkAKm.CoordinateSystem != startKm.CoordinateSystem || linkAKm.Direction != startKm.Direction {
|
||
continue
|
||
}
|
||
if linkBKm.CoordinateSystem != startKm.CoordinateSystem || linkBKm.Direction != startKm.Direction {
|
||
continue
|
||
}
|
||
//记录公里标最小/最大的Link
|
||
newMinKmValue := math.Min(float64(linkAKm.Value), float64(linkBKm.Value))
|
||
newMaxKmValue := math.Max(float64(linkAKm.Value), float64(linkBKm.Value))
|
||
if minKmLink == nil || newMinKmValue < minKmValue {
|
||
minKmValue = newMinKmValue
|
||
minKmLink = link
|
||
}
|
||
if maxKmLink == nil || newMaxKmValue > maxKmValue {
|
||
maxKmValue = newMaxKmValue
|
||
maxKmLink = link
|
||
}
|
||
//若start/end公里标落在link上，构建LinkPosition
|
||
if number.IsBetween(startKm.Value, linkAKm.Value, linkBKm.Value) {
|
||
start = &LinkPosition{
|
||
link: link,
|
||
offset: int64(math.Abs(float64(startKm.Value - linkAKm.Value))),
|
||
}
|
||
}
|
||
if number.IsBetween(endKm.Value, linkAKm.Value, linkBKm.Value) {
|
||
end = &LinkPosition{
|
||
link: link,
|
||
offset: int64(math.Abs(float64(endKm.Value - linkAKm.Value))),
|
||
}
|
||
}
|
||
if start != nil && end != nil {
|
||
break
|
||
}
|
||
}
|
||
//处理start/end公里标没落在Link上的情况
|
||
if start == nil {
|
||
if startKm.Value < endKm.Value {
|
||
offset, _ := minKmLink.findEndOffset()
|
||
start = &LinkPosition{
|
||
link: minKmLink,
|
||
offset: offset,
|
||
}
|
||
} else {
|
||
offset, _ := maxKmLink.findEndOffset()
|
||
start = &LinkPosition{
|
||
link: maxKmLink,
|
||
offset: offset,
|
||
}
|
||
}
|
||
}
|
||
if end == nil {
|
||
if endKm.Value < startKm.Value {
|
||
offset, _ := minKmLink.findEndOffset()
|
||
end = &LinkPosition{
|
||
link: minKmLink,
|
||
offset: offset,
|
||
}
|
||
} else {
|
||
offset, _ := maxKmLink.findEndOffset()
|
||
end = &LinkPosition{
|
||
link: maxKmLink,
|
||
offset: offset,
|
||
}
|
||
}
|
||
}
|
||
|
||
return start, end, nil
|
||
}
|
||
|
||
func sectionalCurvatureRelateLink(repo *Repository) error {
|
||
for _, curvature := range repo.sectionalCurvatureMap {
|
||
start, end, err := calculateLinkSegment(repo, curvature.kms[0], curvature.kms[1])
|
||
if err != nil {
|
||
return err
|
||
}
|
||
curvature.bindStartLinkPosition(start)
|
||
curvature.bindEndLinkPosition(end)
|
||
}
|
||
return nil
|
||
}
|