Re: bounding box for a pfNode ?

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MLM Veraart (Veraart++at++fel.tno.nl)
Wed, 12 May 1999 12:44:33 +0200

Kevin Kronmiller wrote:
>
> Hi,
>
> I am loading a terrain database in .flt format and need to find the minimum and maximum X and Y values for the database. In the pfflt.h header file I see a structure HEADERcb that appears to contain this data. How do I access this structure? Is there a better way to do this?
>

You can take a look at the flightloader callback mechanism.
It was in the README file for the flight loader, it might be
written in a man pages now.
If you register a flight loader callback your callbackfunction will be
called when it processes the header-node.
You can also load the file into performer and do a
   pfuTravCalcBBox()
and print the numbers in the pfBox structure.
Whith this method you can get the extends of any file loadable
in performer. Take a look at the source code of pfconv and add
the call to pfuTravCalcBBox().

Mario

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