[Loadstone] Thinking aloud about creating checkpoints automatically

Pranav Lal pranav.lal at gmail.com
Thu Oct 30 07:52:23 GMT 2008

Hi Rob,
<snip It would be a bit hard to operate on the phone.
PL] Is it because of the phone's limmited processing power?
And, apologies for sending multiple copies of this message. I am using
gmail's web interface and the browser got stuck.


On 10/30/08, Rob Melchers <rob at loadstone-gps.com> wrote:
> This is a description of the existing Routeplanner on the tools page of the
> LS website. It would be a bit hard to operate on the phone. We are thinking
> about a route mode based on intersections, but that's an ongoing process.
> Rob
> At 10/30/2008, you wrote:
>>Hi all,
>>Given that data on roads, streats etc., is hard to come by for many
>>places, I have been trying to find a way of using existing loadstone
>>features to implement some form of routing. Here is what I have come
>>up with.
>>1. The user sets a start and an end location. The start location can
>>also be taken from the current gps position.
>>2. Then, a list of all checkpoints between the starting and
>>destination location is created. By between I mean a list of points
>>from the destination to the starting location. Of course, it would be
>>almost impossible to tell directions and since we do not have data on
>>roads etc., we would need to create the checkpoints in a radius of the
>>destination. The value of this radius would be the distance of the
>>starting location to the end location.
>>3. Great, now we have a checkpoint list. If there are a lot of points,
>>the checkpoint list can become very large and slow down the program.
>>the user could delete them manually or, we could use a feature that
>>would track the route the user would travel. See the next point for
>>4. Once the checkpint list has been created, a trip meter like feature
>>could be implemented which would track what points were crossed from
>>the starting location to the end location. If a point was not in the
>>checkpoints list, that point would be added. This is required to take
>>the shape of cities into account.
>>5. Once the user has reached the destination, all the other
>>checkpoints could be erased.
>>6. Now, further manual adjustments like adding turning instructions
>>etc., could be added.
>>Anyone any thoughts?
>>Loadstone mailing list
>>Loadstone at loadstone-gps.com

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