[ gpsdrive ] Waypoint segfault

[Hamish]

chris wrote:
> Is there a limit of waypoints from which you can create a route. I just 
> finished plotting a route from local A to local B which includes 203 
> waypoints. The tried to create a route from the same and segfault with the 
> error message "loop detected, please report!"
> 
> wayfile is attached for review if needed

I don't get a "loop detected" error, but a more descriptive error about
problem reading coordinates.


but the short story is that your waypoint file had some errors in it-
you'll have to edit your file to match the rules below.

wpt.txt writing code now fixed in SVN to better handle wpt names when
there is no label. I also updated the gpsdrive man page with some more
hints (copied below).


- Booth Bay looks ok
- Each entry needs needs to start with a label.
- Picton ON: Spaces are not allowed in the label, use underscores "_"
  and they'll automatically be converted to spaces  [sscanf(%s) rules]
- 4 trailing 0's are optional (in fact the first 3 are totally ignored
  and the last set the proximity buffer (meters))
- No label is denoted by an underscore (_)
- For some reason the Picton_ON wpt disappears..?


---man-page---
   Importing waypoints
       The manual way:

       You may create a file "way.txt" in your ~/.gpsdrive directory
       which looks like:

       DFN-Cert                53.577694    9.991263 FRITZ
       Finkenwerder            53.541765    9.842541 AIRPORT
       Fritz_Wohnung           53.582700    9.971390 FRITZ

       The  rows are: {label latitude longitude waypoint-type}.  The
       label may not exceed 20 characters  or  contain  spaces.  Use
       underscores  (_) in place of spaces, these will automatically
       be converted into spaces by the program.  A  blank  label  is
       denoted by a single underscore.

       Latitude  and  longitude  may be in decimal degrees or in the
       form of DDDdMM'SS"[NSEW] or DDD:MM:SS[NSEW]. Seconds or  min-
       utes  and seconds may be omitted or in decimal form. Thus the
       following are valid:  42d30'55"N,  75:30.6425W,  -46.25.   In
       fact  the  delimiters can be anything except numbers, ".", or
       spaces.

       You may omit the waypoint type.

       Following the waypoint-type are (optionally) three space sep-
       arated  zeros,  a proximity radius (in integer meters), and a
       comment.  Comments follow the same space/underscore rules  as
       label names, and are limited to 80 characters.

       You  can  create  any  number  of  way-*.txt  files and chose
       between them from the Preferences menu.

       There is no need to create the way.txt file yourself, you can
       add  the  waypoints  with GpsDrive using the "x" key. See the
       Help menu.
---man-page---


Hamish