int IsTurnAllowed(Relations *relations,index_t index,index_t via,index_t from,index_t to,transports_t transport)
{
 if(IsFakeSegment(from))
    from=IndexRealSegment(from);

 if(IsFakeSegment(to))
    to=IndexRealSegment(to);

 while(index<relations->file.trnumber)
   {
    TurnRelation *relation=LookupTurnRelation(relations,index,1);

    if(relation->via!=via)
       return(1);

    if(relation->from!=from)
       return(1);

    if(relation->to>to)
       return(1);

    if(relation->to==to)
       if(!(relation->except & transport))
          return(0);

    index++;
   }

 return(1);
}
示例#2
0
static index_t FindSuperSegment(Nodes *nodes,Segments *segments,Ways *ways,Relations *relations,Profile *profile,index_t endnode,index_t endsegment)
{
 Segment *segment;

 if(IsFakeSegment(endsegment))
    endsegment=IndexRealSegment(endsegment);

 segment=LookupSegment(segments,endsegment,2);

 if(IsSuperSegment(segment))
    return(endsegment);

 /* Loop across all segments */

 segment=FirstSegment(segments,nodes,endnode,3); /* endnode cannot be a fake node (must be a super-node) */

 while(segment)
   {
    if(IsSuperSegment(segment))
      {
       Results *results;
       index_t startnode;

       startnode=OtherNode(segment,endnode);

       results=FindNormalRoute(nodes,segments,ways,relations,profile,startnode,NO_SEGMENT,endnode);

       if(results && results->last_segment==endsegment)
         {
          FreeResultsList(results);
          return(IndexSegment(segments,segment));
         }

       if(results)
          FreeResultsList(results);
      }

    segment=NextSegment(segments,segment,endnode); /* endnode cannot be a fake node (must be a super-node) */
   }

 return(endsegment);
}
index_t FindFirstTurnRelation2(Relations *relations,index_t via,index_t from)
{
 TurnRelation *relation;
 index_t start=0;
 index_t end=relations->file.trnumber-1;
 index_t mid;
 index_t match=-1;

 if(IsFakeSegment(from))
    from=IndexRealSegment(from);

 /* Binary search - search key first match is required.
  *
  *  # <- start  |  Check mid and move start or end if it doesn't match
  *  #           |
  *  #           |  Since an exact match is wanted we can set end=mid-1
  *  # <- mid    |  or start=mid+1 because we know that mid doesn't match.
  *  #           |
  *  #           |  Eventually either end=start or end=start+1 and one of
  *  # <- end    |  start or end matches (but may not be the first).
  */

 do
   {
    mid=(start+end)/2;              /* Choose mid point */

    relation=LookupTurnRelation(relations,mid,1);

    if(relation->via<via)           /* Mid point is too low for 'via' */
       start=mid+1;
    else if(relation->via>via)      /* Mid point is too high for 'via' */
       end=mid?(mid-1):mid;
    else                            /* Mid point is correct for 'via' */
      {
       if(relation->from<from)      /* Mid point is too low for 'from' */
          start=mid+1;
       else if(relation->from>from) /* Mid point is too high for 'from' */
          end=mid?(mid-1):mid;
       else                         /* Mid point is correct for 'from' */
         {
          match=mid;
          break;
         }
      }
   }
 while((end-start)>1);

 if(match==-1)                      /* Check if start matches */
   {
    relation=LookupTurnRelation(relations,start,1);

    if(relation->via==via && relation->from==from)
       match=start;
   }

 if(match==-1)                      /* Check if end matches */
   {
    relation=LookupTurnRelation(relations,end,1);

    if(relation->via==via && relation->from==from)
       match=end;
   }

 if(match==-1)
    return(NO_RELATION);

 while(match>0)                     /* Search backwards for the first match */
   {
    relation=LookupTurnRelation(relations,match-1,1);

    if(relation->via==via && relation->from==from)
       match--;
    else
       break;
   }

 return(match);
}
示例#4
0
void PrintRoute(Results **results,int nresults,Nodes *nodes,Segments *segments,Ways *ways,Profile *profile)
{
    FILE *htmlfile=NULL,*gpxtrackfile=NULL,*gpxroutefile=NULL,*textfile=NULL,*textallfile=NULL;

    char *prev_bearing=NULL,*prev_wayname=NULL;
    distance_t cum_distance=0;
    duration_t cum_duration=0;

    int point=1;
    int segment_count=0,route_count=0;
    int point_count=0;
    int roundabout=0;

    /* Open the files */

    if(option_quickest==0)
    {
        /* Print the result for the shortest route */

        if(option_html)
            htmlfile    =fopen("shortest.html","w");
        if(option_gpx_track)
            gpxtrackfile=fopen("shortest-track.gpx","w");
        if(option_gpx_route)
            gpxroutefile=fopen("shortest-route.gpx","w");
        if(option_text)
            textfile    =fopen("shortest.txt","w");
        if(option_text_all)
            textallfile =fopen("shortest-all.txt","w");

        if(option_html && !htmlfile)
            fprintf(stderr,"Warning: Cannot open file 'shortest.html' for writing [%s].\n",strerror(errno));
        if(option_gpx_track && !gpxtrackfile)
            fprintf(stderr,"Warning: Cannot open file 'shortest-track.gpx' for writing [%s].\n",strerror(errno));
        if(option_gpx_route && !gpxroutefile)
            fprintf(stderr,"Warning: Cannot open file 'shortest-route.gpx' for writing [%s].\n",strerror(errno));
        if(option_text && !textfile)
            fprintf(stderr,"Warning: Cannot open file 'shortest.txt' for writing [%s].\n",strerror(errno));
        if(option_text_all && !textallfile)
            fprintf(stderr,"Warning: Cannot open file 'shortest-all.txt' for writing [%s].\n",strerror(errno));
    }
    else
    {
        /* Print the result for the quickest route */

        if(option_html)
            htmlfile    =fopen("quickest.html","w");
        if(option_gpx_track)
            gpxtrackfile=fopen("quickest-track.gpx","w");
        if(option_gpx_route)
            gpxroutefile=fopen("quickest-route.gpx","w");
        if(option_text)
            textfile    =fopen("quickest.txt","w");
        if(option_text_all)
            textallfile =fopen("quickest-all.txt","w");

        if(option_html && !htmlfile)
            fprintf(stderr,"Warning: Cannot open file 'quickest.html' for writing [%s].\n",strerror(errno));
        if(option_gpx_track && !gpxtrackfile)
            fprintf(stderr,"Warning: Cannot open file 'quickest-track.gpx' for writing [%s].\n",strerror(errno));
        if(option_gpx_route && !gpxroutefile)
            fprintf(stderr,"Warning: Cannot open file 'quickest-route.gpx' for writing [%s].\n",strerror(errno));
        if(option_text && !textfile)
            fprintf(stderr,"Warning: Cannot open file 'quickest.txt' for writing [%s].\n",strerror(errno));
        if(option_text_all && !textallfile)
            fprintf(stderr,"Warning: Cannot open file 'quickest-all.txt' for writing [%s].\n",strerror(errno));
    }

    /* Print the head of the files */

    if(htmlfile)
    {
        fprintf(htmlfile,"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n");
        fprintf(htmlfile,"<HTML>\n");
        if(translate_xml_copyright_creator[0] && translate_xml_copyright_creator[1])
            fprintf(htmlfile,"<!-- %s : %s -->\n",translate_xml_copyright_creator[0],translate_xml_copyright_creator[1]);
        if(translate_xml_copyright_source[0] && translate_xml_copyright_source[1])
            fprintf(htmlfile,"<!-- %s : %s -->\n",translate_xml_copyright_source[0],translate_xml_copyright_source[1]);
        if(translate_xml_copyright_license[0] && translate_xml_copyright_license[1])
            fprintf(htmlfile,"<!-- %s : %s -->\n",translate_xml_copyright_license[0],translate_xml_copyright_license[1]);
        fprintf(htmlfile,"<HEAD>\n");
        fprintf(htmlfile,"<TITLE>");
        fprintf(htmlfile,translate_html_title,option_quickest?translate_xml_route_quickest:translate_xml_route_shortest);
        fprintf(htmlfile,"</TITLE>\n");
        fprintf(htmlfile,"<META http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
        fprintf(htmlfile,"<STYLE type=\"text/css\">\n");
        fprintf(htmlfile,"<!--\n");
        fprintf(htmlfile,"   table   {table-layout: fixed; border: none; border-collapse: collapse;}\n");
        fprintf(htmlfile,"   table.c {color: grey; font-size: x-small;} /* copyright */\n");
        fprintf(htmlfile,"   tr      {border: 0px;}\n");
        fprintf(htmlfile,"   tr.c    {display: none;} /* coords */\n");
        fprintf(htmlfile,"   tr.n    {} /* node */\n");
        fprintf(htmlfile,"   tr.s    {} /* segment */\n");
        fprintf(htmlfile,"   tr.t    {font-weight: bold;} /* total */\n");
        fprintf(htmlfile,"   td.l    {font-weight: bold;}\n");
        fprintf(htmlfile,"   td.r    {}\n");
        fprintf(htmlfile,"   span.w  {font-weight: bold;} /* waypoint */\n");
        fprintf(htmlfile,"   span.h  {text-decoration: underline;} /* highway */\n");
        fprintf(htmlfile,"   span.d  {} /* segment distance */\n");
        fprintf(htmlfile,"   span.j  {font-style: italic;} /* total journey distance */\n");
        fprintf(htmlfile,"   span.t  {font-variant: small-caps;} /* turn */\n");
        fprintf(htmlfile,"   span.b  {font-variant: small-caps;} /* bearing */\n");
        fprintf(htmlfile,"-->\n");
        fprintf(htmlfile,"</STYLE>\n");
        fprintf(htmlfile,"</HEAD>\n");
        fprintf(htmlfile,"<BODY>\n");
        fprintf(htmlfile,"<H1>");
        fprintf(htmlfile,translate_html_title,option_quickest?translate_xml_route_quickest:translate_xml_route_shortest);
        fprintf(htmlfile,"</H1>\n");
        fprintf(htmlfile,"<table>\n");
    }

    if(gpxtrackfile)
    {
        fprintf(gpxtrackfile,"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
        fprintf(gpxtrackfile,"<gpx version=\"1.1\" creator=\"Routino\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns=\"http://www.topografix.com/GPX/1/1\" xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd\">\n");

        fprintf(gpxtrackfile,"<metadata>\n");
        fprintf(gpxtrackfile,"<desc>%s : %s</desc>\n",translate_xml_copyright_creator[0],translate_xml_copyright_creator[1]);
        if(translate_xml_copyright_source[1])
        {
            fprintf(gpxtrackfile,"<copyright author=\"%s\">\n",translate_xml_copyright_source[1]);

            if(translate_xml_copyright_license[1])
                fprintf(gpxtrackfile,"<license>%s</license>\n",translate_xml_copyright_license[1]);

            fprintf(gpxtrackfile,"</copyright>\n");
        }
        fprintf(gpxtrackfile,"</metadata>\n");

        fprintf(gpxtrackfile,"<trk>\n");
        fprintf(gpxtrackfile,"<name>");
        fprintf(gpxtrackfile,translate_gpx_name,option_quickest?translate_xml_route_quickest:translate_xml_route_shortest);
        fprintf(gpxtrackfile,"</name>\n");
        fprintf(gpxtrackfile,"<desc>");
        fprintf(gpxtrackfile,translate_gpx_desc,option_quickest?translate_xml_route_quickest:translate_xml_route_shortest);
        fprintf(gpxtrackfile,"</desc>\n");
    }

    if(gpxroutefile)
    {
        fprintf(gpxroutefile,"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
        fprintf(gpxroutefile,"<gpx version=\"1.1\" creator=\"Routino\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns=\"http://www.topografix.com/GPX/1/1\" xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd\">\n");

        fprintf(gpxroutefile,"<metadata>\n");
        fprintf(gpxroutefile,"<desc>%s : %s</desc>\n",translate_xml_copyright_creator[0],translate_xml_copyright_creator[1]);
        if(translate_xml_copyright_source[1])
        {
            fprintf(gpxroutefile,"<copyright author=\"%s\">\n",translate_xml_copyright_source[1]);

            if(translate_xml_copyright_license[1])
                fprintf(gpxroutefile,"<license>%s</license>\n",translate_xml_copyright_license[1]);

            fprintf(gpxroutefile,"</copyright>\n");
        }
        fprintf(gpxroutefile,"</metadata>\n");

        fprintf(gpxroutefile,"<rte>\n");
        fprintf(gpxroutefile,"<name>");
        fprintf(gpxroutefile,translate_gpx_name,option_quickest?translate_xml_route_quickest:translate_xml_route_shortest);
        fprintf(gpxroutefile,"</name>\n");
        fprintf(gpxroutefile,"<desc>");
        fprintf(gpxroutefile,translate_gpx_desc,option_quickest?translate_xml_route_quickest:translate_xml_route_shortest);
        fprintf(gpxroutefile,"</desc>\n");
    }

    if(textfile)
    {
        if(translate_raw_copyright_creator[0] && translate_raw_copyright_creator[1])
            fprintf(textfile,"# %s : %s\n",translate_raw_copyright_creator[0],translate_raw_copyright_creator[1]);
        if(translate_raw_copyright_source[0] && translate_raw_copyright_source[1])
            fprintf(textfile,"# %s : %s\n",translate_raw_copyright_source[0],translate_raw_copyright_source[1]);
        if(translate_raw_copyright_license[0] && translate_raw_copyright_license[1])
            fprintf(textfile,"# %s : %s\n",translate_raw_copyright_license[0],translate_raw_copyright_license[1]);
        if((translate_raw_copyright_creator[0] && translate_raw_copyright_creator[1]) ||
                (translate_raw_copyright_source[0]  && translate_raw_copyright_source[1]) ||
                (translate_raw_copyright_license[0] && translate_raw_copyright_license[1]))
            fprintf(textfile,"#\n");

        fprintf(textfile,"#Latitude\tLongitude\tSection \tSection \tTotal   \tTotal   \tPoint\tTurn\tBearing\tHighway\n");
        fprintf(textfile,"#        \t         \tDistance\tDuration\tDistance\tDuration\tType \t    \t       \t       \n");
        /* "%10.6f\t%11.6f\t%6.3f km\t%4.1f min\t%5.1f km\t%4.0f min\t%s\t %+d\t %+d\t%s\n" */
    }

    if(textallfile)
    {
        if(translate_raw_copyright_creator[0] && translate_raw_copyright_creator[1])
            fprintf(textallfile,"# %s : %s\n",translate_raw_copyright_creator[0],translate_raw_copyright_creator[1]);
        if(translate_raw_copyright_source[0] && translate_raw_copyright_source[1])
            fprintf(textallfile,"# %s : %s\n",translate_raw_copyright_source[0],translate_raw_copyright_source[1]);
        if(translate_raw_copyright_license[0] && translate_raw_copyright_license[1])
            fprintf(textallfile,"# %s : %s\n",translate_raw_copyright_license[0],translate_raw_copyright_license[1]);
        if((translate_raw_copyright_creator[0] && translate_raw_copyright_creator[1]) ||
                (translate_raw_copyright_source[0]  && translate_raw_copyright_source[1]) ||
                (translate_raw_copyright_license[0] && translate_raw_copyright_license[1]))
            fprintf(textallfile,"#\n");

        fprintf(textallfile,"#Latitude\tLongitude\t    Node\tType\tSegment\tSegment\tTotal\tTotal  \tSpeed\tBearing\tHighway\n");
        fprintf(textallfile,"#        \t         \t        \t    \tDist   \tDurat'n\tDist \tDurat'n\t     \t       \t       \n");
        /* "%10.6f\t%11.6f\t%8d%c\t%s\t%5.3f\t%5.2f\t%5.2f\t%5.1f\t%3d\t%4d\t%s\n" */
    }

    /* Loop through all the sections of the route and print them */

    while(!results[point])
        point++;

    while(point<=nresults)
    {
        int next_point=point;
        distance_t junc_distance=0;
        duration_t junc_duration=0;
        Result *result;

        result=FindResult(results[point],results[point]->start_node,results[point]->prev_segment);

        /* Print the start of the segment */

        if(gpxtrackfile)
            fprintf(gpxtrackfile,"<trkseg>\n");

        /* Loop through all the points within a section of the route and print them */

        do
        {
            double latitude,longitude;
            Node *resultnode=NULL;
            index_t realsegment=NO_SEGMENT,next_realsegment=NO_SEGMENT;
            Segment *resultsegment=NULL,*next_resultsegment=NULL;
            Way *resultway=NULL,*next_resultway=NULL;
            Result *next_result;
            int important=IMP_UNIMPORTANT;

            distance_t seg_distance=0;
            duration_t seg_duration=0;
            speed_t seg_speed=0;
            char *waynameraw=NULL,*wayname=NULL,*next_waynameraw=NULL,*next_wayname=NULL;
            int bearing_int=0,turn_int=0,next_bearing_int=0;
            char *turn=NULL,*next_bearing=NULL;

            /* Calculate the information about this point */

            if(IsFakeNode(result->node))
                GetFakeLatLong(result->node,&latitude,&longitude);
            else
                GetLatLong(nodes,result->node,&latitude,&longitude);

            if(!IsFakeNode(result->node))
                resultnode=LookupNode(nodes,result->node,6);

            /* Calculate the next result */

            next_result=result->next;

            if(!next_result)
                for(next_point=point+1; next_point<=nresults; next_point++)
                    if(results[next_point])
                    {
                        next_result=FindResult(results[next_point],results[next_point]->start_node,results[next_point]->prev_segment);
                        next_result=next_result->next;
                        break;
                    }

            /* Calculate the information about this segment */

            if(result->node!=results[point]->start_node) /* not first point of a section of the route */
            {
                if(IsFakeSegment(result->segment))
                {
                    resultsegment=LookupFakeSegment(result->segment);
                    realsegment=IndexRealSegment(result->segment);
                }
                else
                {
                    resultsegment=LookupSegment(segments,result->segment,2);
                    realsegment=result->segment;
                }

                resultway=LookupWay(ways,resultsegment->way,1);

                seg_distance+=DISTANCE(resultsegment->distance);
                seg_duration+=Duration(resultsegment,resultway,profile);

                /* Calculate the cumulative distance/duration */

                junc_distance+=seg_distance;
                junc_duration+=seg_duration;
                cum_distance+=seg_distance;
                cum_duration+=seg_duration;
            }

            /* Calculate the information about the next segment */

            if(next_result)
            {
                if(IsFakeSegment(next_result->segment))
                {
                    next_resultsegment=LookupFakeSegment(next_result->segment);
                    next_realsegment=IndexRealSegment(next_result->segment);
                }
                else
                {
                    next_resultsegment=LookupSegment(segments,next_result->segment,1);
                    next_realsegment=next_result->segment;
                }
            }

            /* Decide if this is a roundabout */

            if(next_result)
            {
                next_resultway=LookupWay(ways,next_resultsegment->way,2);

                if(next_resultway->type&Way_Roundabout)
                {
                    if(roundabout==0)
                    {
                        roundabout++;
                        important=IMP_RB_ENTRY;
                    }
                    else
                    {
                        Segment *segment=FirstSegment(segments,resultnode,3);

                        do
                        {
                            index_t othernode=OtherNode(segment,result->node);

                            if(othernode!=result->prev->node && IndexSegment(segments,segment)!=realsegment)
                                if(IsNormalSegment(segment) && (!profile->oneway || !IsOnewayTo(segment,result->node)))
                                {
                                    Way *way=LookupWay(ways,segment->way,3);

                                    if(!(way->type&Way_Roundabout))
                                        if(othernode!=next_result->node)
                                        {
                                            roundabout++;
                                            important=IMP_RB_NOT_EXIT;
                                        }
                                }

                            segment=NextSegment(segments,segment,result->node);
                        }
                        while(segment);
                    }
                }
                else if(roundabout)
                {
                    roundabout++;
                    important=IMP_RB_EXIT;
                }
            }

            /* Decide if this is an important junction */

            if(roundabout)           /* roundabout */
                ;
            else if(point_count==0)  /* first point overall = Waypoint */
                important=IMP_WAYPOINT;
            else if(result->node==results[point]->finish_node) /* Waypoint */
                important=IMP_WAYPOINT;
            else if(result->node==results[point]->start_node) /* first point of a section of the route */
                important=IMP_IGNORE;
            else if(realsegment==next_realsegment) /* U-turn */
                important=IMP_UTURN;
            else if(resultnode && (resultnode->flags&NODE_MINIRNDBT))
                important=IMP_MINI_RB; /* mini-roundabout */
            else
            {
                Segment *segment=FirstSegment(segments,resultnode,3);

                do
                {
                    index_t othernode=OtherNode(segment,result->node);

                    if(othernode!=result->prev->node && IndexSegment(segments,segment)!=realsegment)
                        if(IsNormalSegment(segment) && (!profile->oneway || !IsOnewayTo(segment,result->node)))
                        {
                            Way *way=LookupWay(ways,segment->way,3);

                            if(othernode==next_result->node) /* the next segment that we follow */
                            {
                                if(HIGHWAY(way->type)!=HIGHWAY(resultway->type))
                                    if(important<IMP_CHANGE)
                                        important=IMP_CHANGE;
                            }
                            else if(IsFakeNode(next_result->node))
                                ;
                            else /* a segment that we don't follow */
                            {
                                if(junction_other_way[HIGHWAY(resultway->type)-1][HIGHWAY(way->type)-1])
                                    if(important<IMP_JUNCT_IMPORT)
                                        important=IMP_JUNCT_IMPORT;

                                if(important<IMP_JUNCT_CONT)
                                    important=IMP_JUNCT_CONT;
                            }
                        }

                    segment=NextSegment(segments,segment,result->node);
                }
                while(segment);
            }

            /* Calculate the strings to be used */

            if(resultway && textallfile)
            {
                waynameraw=WayName(ways,resultway);
                if(!*waynameraw)
                    waynameraw=translate_raw_highway[HIGHWAY(resultway->type)];

                bearing_int=(int)BearingAngle(nodes,resultsegment,result->node);

                seg_speed=profile->speed[HIGHWAY(resultway->type)];
            }

            if(next_result && important>IMP_JUNCT_CONT)
            {
                if(resultsegment && (htmlfile || textfile))
                {
                    turn_int=(int)TurnAngle(nodes,resultsegment,next_resultsegment,result->node);
                    turn=translate_xml_turn[((202+turn_int)/45)%8];
                }

                if(gpxroutefile || htmlfile)
                {
                    next_waynameraw=WayName(ways,next_resultway);
                    if(!*next_waynameraw)
                        next_waynameraw=translate_raw_highway[HIGHWAY(next_resultway->type)];

                    next_wayname=ParseXML_Encode_Safe_XML(next_waynameraw);
                }

                if(htmlfile || gpxroutefile || textfile)
                {
                    next_bearing_int=(int)BearingAngle(nodes,next_resultsegment,next_result->node);
                    next_bearing=translate_xml_heading[(4+(22+next_bearing_int)/45)%8];
                }
            }

            /* Print out the important points (junctions / waypoints) */

            if(important>IMP_JUNCT_CONT)
            {
                if(htmlfile)
                {
                    char *type;

                    if(important==IMP_WAYPOINT)
                        type=translate_html_waypoint;
                    else if(important==IMP_MINI_RB)
                        type=translate_html_roundabout;
                    else
                        type=translate_html_junction;

                    if(point_count>0)  /* not the first point */
                    {
                        /* <tr class='s'><td class='l'>Follow:<td class='r'><span class='h'>*highway name*</span> for <span class='d'>*distance* km, *time* min</span> [<span class='j'>*distance* km, *time* minutes</span>] */
                        fprintf(htmlfile,"<tr class='s'><td class='l'>%s:<td class='r'>",translate_html_segment[0]);
                        fprintf(htmlfile,translate_html_segment[1],
                                (roundabout>1?translate_html_roundabout:prev_wayname),
                                distance_to_km(junc_distance),duration_to_minutes(junc_duration));
                        fprintf(htmlfile," [<span class='j'>");
                        fprintf(htmlfile,translate_html_total[1],
                                distance_to_km(cum_distance),duration_to_minutes(cum_duration));
                        fprintf(htmlfile,"</span>]\n");
                    }

                    /* <tr class='c'><td class='l'>*N*:<td class='r'>*latitude* *longitude* */
                    fprintf(htmlfile,"<tr class='c'><td class='l'>%d:<td class='r'>%.6f %.6f\n",
                            point_count+1,
                            radians_to_degrees(latitude),radians_to_degrees(longitude));

                    if(point_count==0) /* first point */
                    {
                        /* <tr class='n'><td class='l'>Start:<td class='r'>At <span class='w'>Waypoint</span>, head <span class='b'>*heading*</span> */
                        fprintf(htmlfile,"<tr class='n'><td class='l'>%s:<td class='r'>",translate_html_start[0]);
                        fprintf(htmlfile,translate_html_start[1],
                                translate_html_waypoint,
                                next_bearing);
                        fprintf(htmlfile,"\n");
                    }
                    else if(next_result) /* middle point */
                    {
                        if(roundabout>1)
                        {
                            /* <tr class='n'><td class='l'>At:<td class='r'>Roundabout, take <span class='t'>the *Nth* exit</span> heading <span class='b'>*heading*</span> */
                            fprintf(htmlfile,"<tr class='n'><td class='l'>%s:<td class='r'>",translate_html_rbnode[0]);
                            fprintf(htmlfile,translate_html_rbnode[1],
                                    translate_html_roundabout,
                                    translate_xml_ordinal[roundabout-2],
                                    next_bearing);
                            fprintf(htmlfile,"\n");
                        }
                        else
                        {
                            /* <tr class='n'><td class='l'>At:<td class='r'>Junction, go <span class='t'>*direction*</span> heading <span class='b'>*heading*</span> */
                            fprintf(htmlfile,"<tr class='n'><td class='l'>%s:<td class='r'>",translate_html_node[0]);
                            fprintf(htmlfile,translate_html_node[1],
                                    type,
                                    turn,
                                    next_bearing);
                            fprintf(htmlfile,"\n");
                        }
                    }
                    else            /* end point */
                    {
                        /* <tr class='n'><td class='l'>Stop:<td class='r'>At <span class='w'>Waypoint</span> */
                        fprintf(htmlfile,"<tr class='n'><td class='l'>%s:<td class='r'>",translate_html_stop[0]);
                        fprintf(htmlfile,translate_html_stop[1],
                                translate_html_waypoint);
                        fprintf(htmlfile,"\n");

                        /* <tr class='t'><td class='l'>Total:<td class='r'><span class='j'>*distance* km, *time* minutes</span> */
                        fprintf(htmlfile,"<tr class='t'><td class='l'>%s:<td class='r'><span class='j'>",translate_html_total[0]);
                        fprintf(htmlfile,translate_html_total[1],
                                distance_to_km(cum_distance),duration_to_minutes(cum_duration));
                        fprintf(htmlfile,"</span>\n");
                    }
                }

                if(gpxroutefile)
                {
                    if(point_count>0) /* not first point */
                    {
                        fprintf(gpxroutefile,"<desc>");
                        fprintf(gpxroutefile,translate_gpx_step,
                                prev_bearing,
                                prev_wayname,
                                distance_to_km(junc_distance),duration_to_minutes(junc_duration));
                        fprintf(gpxroutefile,"</desc></rtept>\n");
                    }

                    if(point_count==0) /* first point */
                    {
                        fprintf(gpxroutefile,"<rtept lat=\"%.6f\" lon=\"%.6f\"><name>%s</name>\n",
                                radians_to_degrees(latitude),radians_to_degrees(longitude),
                                translate_gpx_start);
                    }
                    else if(!next_result) /* end point */
                    {
                        fprintf(gpxroutefile,"<rtept lat=\"%.6f\" lon=\"%.6f\"><name>%s</name>\n",
                                radians_to_degrees(latitude),radians_to_degrees(longitude),
                                translate_gpx_finish);
                        fprintf(gpxroutefile,"<desc>");
                        fprintf(gpxroutefile,translate_gpx_final,
                                distance_to_km(cum_distance),duration_to_minutes(cum_duration));
                        fprintf(gpxroutefile,"</desc></rtept>\n");
                    }
                    else            /* middle point */
                    {
                        if(important==IMP_WAYPOINT)
                            fprintf(gpxroutefile,"<rtept lat=\"%.6f\" lon=\"%.6f\"><name>%s%d</name>\n",
                                    radians_to_degrees(latitude),radians_to_degrees(longitude),
                                    translate_gpx_inter,++segment_count);
                        else
                            fprintf(gpxroutefile,"<rtept lat=\"%.6f\" lon=\"%.6f\"><name>%s%03d</name>\n",
                                    radians_to_degrees(latitude),radians_to_degrees(longitude),
                                    translate_gpx_trip,++route_count);
                    }
                }

                if(textfile)
                {
                    char *type;

                    if(important==IMP_WAYPOINT)
                        type="Waypt";
                    else
                        type="Junct";

                    if(point_count==0) /* first point */
                    {
                        fprintf(textfile,"%10.6f\t%11.6f\t%6.3f km\t%4.1f min\t%5.1f km\t%4.0f min\t%s\t\t %+d\t%s\n",
                                radians_to_degrees(latitude),radians_to_degrees(longitude),
                                0.0,0.0,0.0,0.0,
                                type,
                                ((22+next_bearing_int)/45+4)%8-4,
                                next_waynameraw);
                    }
                    else if(!next_result) /* end point */
                    {
                        fprintf(textfile,"%10.6f\t%11.6f\t%6.3f km\t%4.1f min\t%5.1f km\t%4.0f min\t%s\t\t\t\n",
                                radians_to_degrees(latitude),radians_to_degrees(longitude),
                                distance_to_km(junc_distance),duration_to_minutes(junc_duration),
                                distance_to_km(cum_distance),duration_to_minutes(cum_duration),
                                type);
                    }
                    else               /* middle point */
                    {
                        fprintf(textfile,"%10.6f\t%11.6f\t%6.3f km\t%4.1f min\t%5.1f km\t%4.0f min\t%s\t %+d\t %+d\t%s\n",
                                radians_to_degrees(latitude),radians_to_degrees(longitude),
                                distance_to_km(junc_distance),duration_to_minutes(junc_duration),
                                distance_to_km(cum_distance),duration_to_minutes(cum_duration),
                                type,
                                (22+turn_int)/45,
                                ((22+next_bearing_int)/45+4)%8-4,
                                next_waynameraw);
                    }
                }

                junc_distance=0;
                junc_duration=0;

                if(htmlfile || gpxroutefile)
                {
                    if(prev_wayname)
                        free(prev_wayname);

                    if(next_wayname)
                        prev_wayname=strcpy((char*)malloc(strlen(next_wayname)+1),next_wayname);
                    else
                        prev_wayname=NULL;

                    if(next_wayname && next_wayname!=next_waynameraw)
                        free(next_wayname);
                }

                if(gpxroutefile)
                    prev_bearing=next_bearing;

                if(roundabout>1)
                    roundabout=0;
            }

            /* Print out all of the results */

            if(gpxtrackfile)
                fprintf(gpxtrackfile,"<trkpt lat=\"%.6f\" lon=\"%.6f\"/>\n",
                        radians_to_degrees(latitude),radians_to_degrees(longitude));

            if(important>IMP_IGNORE)
            {
                if(textallfile)
                {
                    char *type;

                    if(important==IMP_WAYPOINT)
                        type="Waypt";
                    else if(important==IMP_UTURN)
                        type="U-turn";
                    else if(important==IMP_MINI_RB)
                        type="Mini-RB";
                    else if(important==IMP_CHANGE)
                        type="Change";
                    else if(important==IMP_UNIMPORTANT)
                        type="Inter";
                    else
                        type="Junct";

                    if(point_count==0) /* first point */
                    {
                        fprintf(textallfile,"%10.6f\t%11.6f\t%8d%c\t%s\t%5.3f\t%5.2f\t%5.2f\t%5.1f\t\t\t\n",
                                radians_to_degrees(latitude),radians_to_degrees(longitude),
                                IsFakeNode(result->node)?(NODE_FAKE-result->node):result->node,
                                (resultnode && IsSuperNode(resultnode))?'*':' ',type,
                                0.0,0.0,0.0,0.0);
                    }
                    else               /* not the first point */
                    {
                        fprintf(textallfile,"%10.6f\t%11.6f\t%8d%c\t%s\t%5.3f\t%5.2f\t%5.2f\t%5.1f\t%3d\t%4d\t%s\n",
                                radians_to_degrees(latitude),radians_to_degrees(longitude),
                                IsFakeNode(result->node)?(NODE_FAKE-result->node):result->node,
                                (resultnode && IsSuperNode(resultnode))?'*':' ',type,
                                distance_to_km(seg_distance),duration_to_minutes(seg_duration),
                                distance_to_km(cum_distance),duration_to_minutes(cum_duration),
                                speed_to_kph(seg_speed),
                                bearing_int,
                                waynameraw);
                    }
                }
            }

            if(wayname && wayname!=waynameraw)
                free(wayname);

            result=next_result;

            if(important>IMP_JUNCT_CONT)
                point_count++;
        }
        while(point==next_point);

        /* Print the end of the segment */

        if(gpxtrackfile)
            fprintf(gpxtrackfile,"</trkseg>\n");

        point=next_point;
    }

    /* Print the tail of the files */

    if(htmlfile)
    {
        fprintf(htmlfile,"</table>\n");

        if((translate_xml_copyright_creator[0] && translate_xml_copyright_creator[1]) ||
                (translate_xml_copyright_source[0]  && translate_xml_copyright_source[1]) ||
                (translate_xml_copyright_license[0] && translate_xml_copyright_license[1]))
        {
            fprintf(htmlfile,"<p>\n");
            fprintf(htmlfile,"<table class='c'>\n");
            if(translate_xml_copyright_creator[0] && translate_xml_copyright_creator[1])
                fprintf(htmlfile,"<tr><td class='l'>%s:<td class='r'>%s\n",translate_xml_copyright_creator[0],translate_xml_copyright_creator[1]);
            if(translate_xml_copyright_source[0] && translate_xml_copyright_source[1])
                fprintf(htmlfile,"<tr><td class='l'>%s:<td class='r'>%s\n",translate_xml_copyright_source[0],translate_xml_copyright_source[1]);
            if(translate_xml_copyright_license[0] && translate_xml_copyright_license[1])
                fprintf(htmlfile,"<tr><td class='l'>%s:<td class='r'>%s\n",translate_xml_copyright_license[0],translate_xml_copyright_license[1]);
            fprintf(htmlfile,"</table>\n");
        }

        fprintf(htmlfile,"</BODY>\n");
        fprintf(htmlfile,"</HTML>\n");
    }

    if(gpxtrackfile)
    {
        fprintf(gpxtrackfile,"</trk>\n");
        fprintf(gpxtrackfile,"</gpx>\n");
    }

    if(gpxroutefile)
    {
        fprintf(gpxroutefile,"</rte>\n");
        fprintf(gpxroutefile,"</gpx>\n");
    }

    /* Close the files */

    if(htmlfile)
        fclose(htmlfile);
    if(gpxtrackfile)
        fclose(gpxtrackfile);
    if(gpxroutefile)
        fclose(gpxroutefile);
    if(textfile)
        fclose(textfile);
    if(textallfile)
        fclose(textallfile);
}
示例#5
0
Results *FindFinishRoutes(Nodes *nodes,Segments *segments,Ways *ways,Relations *relations,Profile *profile,index_t finish_node)
{
 Results *results,*results2;
 Queue   *queue;
 Result  *result1,*result2,*result3;

 /* Create the results and insert the finish node */

 results=NewResultsList(64);

 results->finish_node=finish_node;

 result1=InsertResult(results,finish_node,NO_SEGMENT);

 /* Insert the first node into the queue */

 queue=NewQueueList();

 InsertInQueue(queue,result1);

 /* Loop across all nodes in the queue */

 while((result1=PopFromQueue(queue)))
   {
    index_t node1,seg1,seg1r;
    Segment *segment;
    index_t turnrelation=NO_RELATION;

    node1=result1->node;
    seg1=result1->segment;

    if(IsFakeSegment(seg1))
       seg1r=IndexRealSegment(seg1);
    else
       seg1r=seg1;

    /* lookup if a turn restriction applies */
    if(profile->turns && !IsFakeNode(node1) && IsTurnRestrictedNode(LookupNode(nodes,node1,1)))
       turnrelation=FindFirstTurnRelation1(relations,node1); /* working backwards => turn relation sort order doesn't help */

    /* Loop across all segments */

    if(IsFakeNode(node1))
       segment=FirstFakeSegment(node1);
    else
       segment=FirstSegment(segments,nodes,node1,1);

    while(segment)
      {
       Way *way;
       index_t node2,seg2,seg2r;
       score_t segment_pref,segment_score,cumulative_score;
       int i;

       /* must be a normal segment */
       if((IsFakeNode(node1) || !IsSuperNode(LookupNode(nodes,node1,1))) && !IsNormalSegment(segment))
          goto endloop;

       /* must obey one-way restrictions (unless profile allows) */
       if(profile->oneway && IsOnewayFrom(segment,node1)) /* Disallow oneway from node2 *to* node1 */
          goto endloop;

       node2=OtherNode(segment,node1);

       if(IsFakeNode(node1) || IsFakeNode(node2))
         {
          seg2 =IndexFakeSegment(segment);
          seg2r=IndexRealSegment(seg2);
         }
       else
         {
          seg2 =IndexSegment(segments,segment);
          seg2r=seg2;
         }

       /* must not perform U-turn (unless profile allows) */
       if(profile->turns && (seg1==seg2 || seg1==seg2r || seg1r==seg2 || (seg1r==seg2r && IsFakeUTurn(seg1,seg2))))
          goto endloop;

       /* must obey turn relations */
       if(turnrelation!=NO_RELATION)
         {
          index_t turnrelation2=FindFirstTurnRelation2(relations,node1,seg2r); /* node2 -> node1 -> result1->next->node */

          if(turnrelation2!=NO_RELATION && !IsTurnAllowed(relations,turnrelation2,node1,seg2r,seg1r,profile->allow))
             goto endloop;
         }

       way=LookupWay(ways,segment->way,1);

       /* mode of transport must be allowed on the highway */
       if(!(way->allow&profile->allow))
          goto endloop;

       /* must obey weight restriction (if exists) */
       if(way->weight && way->weight<profile->weight)
          goto endloop;

       /* must obey height/width/length restriction (if exists) */
       if((way->height && way->height<profile->height) ||
          (way->width  && way->width <profile->width ) ||
          (way->length && way->length<profile->length))
          goto endloop;

       segment_pref=profile->highway[HIGHWAY(way->type)];

       for(i=1;i<Property_Count;i++)
          if(ways->file.props & PROPERTIES(i))
            {
             if(way->props & PROPERTIES(i))
                segment_pref*=profile->props_yes[i];
             else
                segment_pref*=profile->props_no[i];
            }

       /* profile preferences must allow this highway */
       if(segment_pref==0)
          goto endloop;

       /* mode of transport must be allowed through node2 */
       if(!IsFakeNode(node2))
         {
          Node *node=LookupNode(nodes,node2,2);

          if(!(node->allow&profile->allow))
             goto endloop;
         }

       if(option_quickest==0)
          segment_score=(score_t)DISTANCE(segment->distance)/segment_pref;
       else
          segment_score=(score_t)Duration(segment,way,profile)/segment_pref;

       cumulative_score=result1->score+segment_score;

       result2=FindResult(results,node2,seg2);

       if(!result2) /* New end node */
         {
          result2=InsertResult(results,node2,seg2);
          result2->next=result1;   /* working backwards */
          result2->score=cumulative_score;

          if(IsFakeNode(node1) || (!IsFakeNode(node1) && !IsSuperNode(LookupNode(nodes,node1,1)))) /* Overshoot by one segment */
            {
             result2->sortby=result2->score;
             InsertInQueue(queue,result2);
            }
         }
       else if(cumulative_score<result2->score) /* New end node is better */
         {
          result2->next=result1; /* working backwards */
          result2->score=cumulative_score;

          if(IsFakeNode(node1) || (!IsFakeNode(node1) && !IsSuperNode(LookupNode(nodes,node1,1)))) /* Overshoot by one segment */
            {
             result2->sortby=result2->score;
             InsertInQueue(queue,result2);
            }
         }

      endloop:

       if(IsFakeNode(node1))
          segment=NextFakeSegment(segment,node1);
       else
          segment=NextSegment(segments,segment,node1);
      }
   }

 FreeQueueList(queue);

 /* Check it worked */

 if(results->number==1)
   {
    FreeResultsList(results);
    return(NULL);
   }

 /* Create a results structure with the node at the end of the segment opposite the start */

 results2=NewResultsList(64);

 results2->finish_node=results->finish_node;

 result3=FirstResult(results);

 while(result3)
   {
    if(result3->next)
      {
       result2=InsertResult(results2,result3->next->node,result3->segment);

       result2->score=result3->next->score;
      }

    result3=NextResult(results,result3);
   }

 /* Fix up the result->next pointers */

 result3=FirstResult(results);

 while(result3)
   {
    if(result3->next && result3->next->next)
      {
       result1=FindResult(results2,result3->next->node,result3->segment);
       result2=FindResult(results2,result3->next->next->node,result3->next->segment);

       result1->next=result2;
      }

    result3=NextResult(results,result3);
   }

 FreeResultsList(results);

 return(results2);
}
示例#6
0
Results *FindNormalRoute(Nodes *nodes,Segments *segments,Ways *ways,Relations *relations,Profile *profile,index_t start_node,index_t prev_segment,index_t finish_node)
{
 Results *results;
 Queue   *queue;
 score_t finish_score;
 double  finish_lat,finish_lon;
 Result  *finish_result;
 Result  *result1,*result2;

 /* Set up the finish conditions */

 finish_score=INF_SCORE;
 finish_result=NULL;

 if(IsFakeNode(finish_node))
    GetFakeLatLong(finish_node,&finish_lat,&finish_lon);
 else
    GetLatLong(nodes,finish_node,&finish_lat,&finish_lon);

 /* Create the list of results and insert the first node into the queue */

 results=NewResultsList(64);

 results->start_node=start_node;
 results->prev_segment=prev_segment;

 result1=InsertResult(results,results->start_node,results->prev_segment);

 queue=NewQueueList();

 InsertInQueue(queue,result1);

 /* Loop across all nodes in the queue */

 while((result1=PopFromQueue(queue)))
   {
    Segment *segment;
    index_t node1,seg1,seg1r;
    index_t turnrelation=NO_RELATION;

    /* score must be better than current best score */
    if(result1->score>finish_score)
       continue;

    node1=result1->node;
    seg1=result1->segment;

    if(IsFakeSegment(seg1))
       seg1r=IndexRealSegment(seg1);
    else
       seg1r=seg1;

    /* lookup if a turn restriction applies */
    if(profile->turns && !IsFakeNode(node1) && IsTurnRestrictedNode(LookupNode(nodes,node1,1)))
       turnrelation=FindFirstTurnRelation2(relations,node1,seg1r);

    /* Loop across all segments */

    if(IsFakeNode(node1))
       segment=FirstFakeSegment(node1);
    else
       segment=FirstSegment(segments,nodes,node1,1);

    while(segment)
      {
       Way *way;
       index_t node2,seg2,seg2r;
       score_t segment_pref,segment_score,cumulative_score;
       int i;

       node2=OtherNode(segment,node1); /* need this here because we use node2 at the end of the loop */

       /* must be a normal segment */
       if(!IsNormalSegment(segment))
          goto endloop;

       /* must obey one-way restrictions (unless profile allows) */
       if(profile->oneway && IsOnewayTo(segment,node1))
          goto endloop;

       if(IsFakeNode(node1) || IsFakeNode(node2))
         {
          seg2 =IndexFakeSegment(segment);
          seg2r=IndexRealSegment(seg2);
         }
       else
         {
          seg2 =IndexSegment(segments,segment);
          seg2r=seg2;
         }

       /* must not perform U-turn (unless profile allows) */
       if(profile->turns && (seg1==seg2 || seg1==seg2r || seg1r==seg2 || (seg1r==seg2r && IsFakeUTurn(seg1,seg2))))
          goto endloop;

       /* must obey turn relations */
       if(turnrelation!=NO_RELATION && !IsTurnAllowed(relations,turnrelation,node1,seg1r,seg2r,profile->allow))
          goto endloop;

       /* must not pass over super-node */
       if(node2!=finish_node && !IsFakeNode(node2) && IsSuperNode(LookupNode(nodes,node2,2)))
          goto endloop;

       way=LookupWay(ways,segment->way,1);

       /* mode of transport must be allowed on the highway */
       if(!(way->allow&profile->allow))
          goto endloop;

       /* must obey weight restriction (if exists) */
       if(way->weight && way->weight<profile->weight)
          goto endloop;

       /* must obey height/width/length restriction (if exists) */
       if((way->height && way->height<profile->height) ||
          (way->width  && way->width <profile->width ) ||
          (way->length && way->length<profile->length))
          goto endloop;

       segment_pref=profile->highway[HIGHWAY(way->type)];

       for(i=1;i<Property_Count;i++)
          if(ways->file.props & PROPERTIES(i))
            {
             if(way->props & PROPERTIES(i))
                segment_pref*=profile->props_yes[i];
             else
                segment_pref*=profile->props_no[i];
            }

       /* profile preferences must allow this highway */
       if(segment_pref==0)
          goto endloop;

       /* mode of transport must be allowed through node2 */
       if(!IsFakeNode(node2))
         {
          Node *node=LookupNode(nodes,node2,2);

          if(!(node->allow&profile->allow))
             goto endloop;
         }

       if(option_quickest==0)
          segment_score=(score_t)DISTANCE(segment->distance)/segment_pref;
       else
          segment_score=(score_t)Duration(segment,way,profile)/segment_pref;

       cumulative_score=result1->score+segment_score;

       /* score must be better than current best score */
       if(cumulative_score>finish_score)
          goto endloop;

       result2=FindResult(results,node2,seg2);

       if(!result2) /* New end node/segment combination */
         {
          result2=InsertResult(results,node2,seg2);
          result2->prev=result1;
          result2->score=cumulative_score;

          if(node2==finish_node)
            {
             if(cumulative_score<finish_score)
               {
                finish_score=cumulative_score;
                finish_result=result2;
               }
            }
          else
            {
             result2->sortby=result2->score;

             InsertInQueue(queue,result2);
            }
         }
       else if(cumulative_score<result2->score) /* New score for end node/segment combination is better */
         {
          result2->prev=result1;
          result2->score=cumulative_score;
          result2->segment=seg2;

          if(node2==finish_node)
            {
             if(cumulative_score<finish_score)
               {
                finish_score=cumulative_score;
                finish_result=result2;
               }
            }
          else
            {
             result2->sortby=result2->score;

             if(result2->score<finish_score)
                InsertInQueue(queue,result2);
            }
         }

      endloop:

       if(IsFakeNode(node1))
          segment=NextFakeSegment(segment,node1);
       else if(IsFakeNode(node2))
          segment=NULL; /* cannot call NextSegment() with a fake segment */
       else
         {
          segment=NextSegment(segments,segment,node1);

          if(!segment && IsFakeNode(finish_node))
             segment=ExtraFakeSegment(node1,finish_node);
         }
      }
   }

 FreeQueueList(queue);

 /* Check it worked */

 if(!finish_result)
   {
    FreeResultsList(results);
    return(NULL);
   }

 FixForwardRoute(results,finish_result);

 return(results);
}