Re: GPS Map

From: Henryk Birecki <soaringpilot@xxxxxxxxxxxxx>
Date: Tue, 20 May 2008 14:49:31 -0700

Peter <pvrequiz@xxxxxxxxx> wrote:

Hello Everyone, I am need to idea how to build an application which
display a icon (car) in a map. Like the GPS application out there.

So far I can read the GPS and get the position on grade or grade and
minutes, from my NMEA protocol

But I need to plot that information into a map.

There are many ways one might do that. What I do is to create a DC
which holds image of the icon (or bitmap), DC of identical size for
temporary storage and BitBlt to and from the DC that has the map.

1) from map DC to tempDC so image can be retrieved.
2) from icon DC to map DC to place icon
3) from tempDC to map DC to erase the icon
and so on.

Cheers,
Henryk
.

Follow-Ups:
- Re: GPS Map
  - From: Joseph M . Newcomer

References:
- GPS Map
  - From: Peter

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