[Liblas-devel] GPS Time and Global Encoding

[Howard Butler]

On Mar 29, 2009, at 7:46 PM, Steve Harwin wrote:

> Hi,
>
> In the 1.2 LAS Spec it states that when the low bit is not set GPS  
> Time is in GPS Week Time and when the low bit is set then GPS Time  
> is in POSIX Time.  How do I tell which of these LASPoint.GetTime()  
> is returning?  I do not see any way of getting the Global Encoding  
> from the LASHeader object.
>

Steve,

The global encoding in the 1.2 spec is the same thing as "reserved"  
was in the 1.0/1.1 specs.  You would use LASHeader::Get|SetReserved  
from the C++ API or LASHeader_Get|SetReserved from the C API.

Hope this helps,

Howard