bool SubareaNet::Location_Processing (Db_File *fh)
{
static Location_File *new_file;
int id;
Location_Data *location_ptr;
Link_Data *link_ptr;
Location_File *file = (Location_File *) fh;
if (First_Record ()) {
new_file = (Location_File *) Network_Db_Base (NEW_ACTIVITY_LOCATION);
if (!location_data.Max_Records (file->Num_Records ())) goto mem_error;
}
id = file->Location ();
if (id == 0) return (false);
location_ptr = location_data.New_Record ();
if (location_ptr == NULL) goto mem_error;
location_ptr->ID (id);
if (id > max_location) max_location = id;
id = file->Zone ();
if (id > max_zone) max_zone = id;
link_ptr = link_data.Get (file->Link ());
if (link_ptr != NULL && link_ptr->Type () > 0) {
//---- copy the fields to the subarea file ----
new_file->Copy_Fields (file);
if (!new_file->Write ()) {
Error ("Writing %s", new_file->File_Type ());
}
nlocation++;
return (true);
}
return (false);
mem_error:
Error ("Insufficient Memory for Activity Location Data");
return (false);
}
bool Data_Service::Get_Location_Data (Location_File &file, Location_Data &location_rec)
{
int link, dir, offset;
double setback;
Link_Data *link_ptr;
//---- read and save the data ----
location_rec.Location (file.Location ());
if (location_rec.Location () == 0) return (false);
//---- check/convert the link number and direction ----
link = file.Link ();
dir = file.Dir ();
offset = Round (file.Offset ());
link_ptr = Set_Link_Direction (file, link, dir, offset);
location_rec.Link (link);
location_rec.Dir (dir);
location_rec.Offset (offset);
setback = file.Setback ();
location_rec.Setback (setback);
if (Location_XY_Flag ()) {
Points points;
Link_Shape (link_ptr, dir, points, UnRound (offset), 0.0, setback);
if (points.size () > 0) {
location_rec.X (points [0].x);
location_rec.Y (points [0].y);
} else {
Node_Data *node_ptr = &node_array [link_ptr->Anode ()];
location_rec.X (node_ptr->X ());
location_rec.Y (node_ptr->Y ());
}
}
location_rec.Zone (file.Zone ());
if (location_rec.Zone () > 0 && System_Data_Flag (ZONE)) {
Int_Map_Itr map_itr = zone_map.find (location_rec.Zone ());
if (map_itr == zone_map.end ()) {
Warning (String ("Location %d Zone %d was Not Found") % location_rec.Location () % location_rec.Zone ());
return (false);
}
location_rec.Zone (map_itr->second);
} else if (location_rec.Zone () == 0) {
location_rec.Zone (-1);
//---- delete extra activity location used for transit stops ----
if (file.Version () <= 40) return (false);
}
location_rec.Notes (file.Notes ());
return (true);
}
bool LinkSum::Get_Location_Data (Location_File &file, Location_Data &data)
{
int i, field, link, lvalue1, lvalue2, zone;
double dvalue1, dvalue2;
String buffer;
Db_Field *fld;
Link_Location loc_rec;
Int_Itr int_itr;
Int_Map_Itr map_itr;
//---- get the link number ----
link = file.Link ();
if (link == 0) return (false);
data.Link (link);
//---- sum the activities on links ----
if (activity_flag) {
if (!link_db.Read_Record (link)) {
Error (String ("Reading Link Database Record %d") % link);
}
//---- sum the data fields ----
for (i=1, int_itr = field_list.begin (); int_itr != field_list.end (); int_itr++, i++) {
field = *int_itr;
fld = file.Field (field);
if (fld->Type () == DB_INTEGER) {
lvalue1 = file.Get_Integer (field);
lvalue2 = link_db.Get_Integer (i);
lvalue2 += lvalue1;
link_db.Put_Field (i, lvalue2);
} else if (fld->Type () == DB_DOUBLE) {
dvalue1 = file.Get_Double (field);
dvalue2 = link_db.Get_Double (i);
dvalue2 += dvalue1;
link_db.Put_Field (i, dvalue2);
} else if (fld->Type () == DB_STRING) {
link_db.Put_Field (i, file.Get_String (field));
}
}
//---- save the changes ----
if (!link_db.Write_Record (link)) {
Error (String ("Writing Link Database Record %d") % link);
}
}
//---- add a link location record ----
if (zone_flag || group_flag) {
zone = file.Zone ();
if (zone > 0) {
map_itr = link_map.find (link);
if (map_itr == link_map.end ()) return (false);
link = map_itr->second;
loc_rec.link = link;
loc_rec.location = i = file.Location ();
loc_rec.zone = zone;
loc_rec.count = 0;
link_location.insert (Link_Loc_Map_Data (Int2_Key (link, i), loc_rec));
}
}
//---- don't save the location data ----
return (false);
}