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);
}
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);
}
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);
}
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);
}
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);
}