mike,

so, if i were building a .cam file on the fly from parameters in another
file, i could theoretically put whatever i want in the "PrinciplePointX" and
"PrinciplePointY" fields, as long as it conformed to the correct block
syntax?

lance

-----Original Message-----
From: Mike Dunne [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, August 07, 2001 9:17 PM
To: [EMAIL PROTECTED]
Subject: RE: .cam file field


Had a quick look at the code -
1.79...E+308 is the default value of Max double.
The field is not currently used in any of the calculations
in the ortho processing.

cheers
Mike

> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Lance Crumbliss
> Sent: Tuesday, 7 August 2001 10:48 PM
> To: '[EMAIL PROTECTED]'
> Subject: .cam file field
> 
> 
> hello all,
> 
> given the information on a standard USGS camera calibration 
> report, and
> entering all the required fields into a new .cam file using the create
> camera report tool in the geocoding wizard, how is the following field
> calculated:
> 
>                       PrinciplePointX = 1.7976931348623157E+308
>                       PrinciplePointY = 1.7976931348623157E+308
> 
> this is not a value on the USGS report (there is a similarly 
> named field
> called "Calibrated Principal Point" on the report, but this 
> has it's own
> entry in the .cam file), so i assume it is calculated from 
> all the other
> data entered.  does someone know what data is used for the 
> calculation?
> 
> thanks,
> lance
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