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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | GISList: New GPSR/GIS Project |
| Date: |
01/07/2003 11:20:52 AM |
| From: |
Stephen Brown |
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Hello. I am a recent subscriber to this list.
My name is Stephen Brown. I am in the early development stages of a
multi-stage business endeavor, working to bring a new type of GPS Receiver
to the high-end consumer market, and also, perhaps, to the commercial
market.
The final product(s) will take the form of a gps receiver that can handle
multiple map-data formats and a subscriber-based website that will allow the
secure storage and manipulation of individual GIS data. The GIS data from
the website will be instantly compatible with the GPS Receiver, and will be
available for download, both to the GPS Receiver from the website, and to
the website from the GPS Receiver. Both sets of GIS data--the Receiver's
and the website's--will manipulatable by the user.
What I am needing at this juncture, are recommendations for the support of
the various mapping formats that are available. As I am what I consider a
"well-informed layman," but not a die-hard (yet) technician, obtaining
feedback from active developers in the GIS field is of paramount importance
at this stage of the project(s) development.
Below is a brief list of what I feel I need suggestions on:
1. What map-data formats should be supported. [Vector-based formats for
certain, mainly due to the compressibility and the ability of vector-based
formats to be used for auto-routing, turn-by-turn vehicle navigation,
something I intend to implement as a standard feature.]
2. What Operating System should be used for the GPS Receiver. [Currently,
I am focusing on the Windows CE/Pocket PC 2002, and Embedded Linux (such as
Embedix) as choices. The utilization of Linux would, of course, allow for a
completely open-sourced solution. The use of Pocket PC 2002/Windows CE
would allow for a more currently-in-use, commercial solution most everyone
is famliar with.]
3. What data-sets are recommended. [Everyone is familiar with the NAVTECH
data. I'm interested to know of any more that are reasonably thorough in
their presentation, but also in their updates. To me, the more updates the
better. Being able to apply updates from a manufacturer's website would be
a plus.]
4. What types of image-over-data or data-over-image schems would be
effective in a handheld GPS unit of this type. [XML seems to be a format
that can be utilized to compress both images and other data effectively.
Would XML be viable in a handheld unit? Or too slow? What other
compressed--or non-compressed--formats could be used that would be
reasonably fast at rendering, redrawing, and displaying?
--
I think this is enough for the time being. I thank all who reply in advance
for their suggestions.
Best regards,
Stephen Brown
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