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[aprssig] Map Symbol Placement

Curt, WE7U archer at eskimo.com
Thu Apr 19 15:49:39 UTC 2007


On Thu, 19 Apr 2007, 'Scott Miller' wrote:

> How does Xastir handle different map projections?  I seem to remember that
> it had a projection library linked in.  And it seems to work properly when I
> load in California maps in Albers equal-area conic projection.  Does it
> reproject the map to match the screen coordinates?

It may have been close enough for your purposes, so you didn't
notice the distortion.

I believe the only support we currently have is for DRG's (and
perhaps DOQQ's?) for switching between NAD27 and WGS84/NAD83 datums.

We don't use the libproj library for much else.

--
Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
"Lotto:    A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
"The world DOES revolve around me:  I picked the coordinate system!"




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