[Liblas-devel] Indexing for libLAS

[Mike Grant]

On 16/08/10 14:42, Howard Butler wrote:
> Frustum queries are in the plan, and not precluded in any way in our design, but we're looking for funding to make it happen.

It's certainly an important use case (e.g. profiling), so hopefully
that'll strengthen any funding application.

>> - the index to dynamically update if points are added (non-optimally
>> balanced tree may be ok, as people can rebuild the index from scratch
>> for optimal results)
> 
> libLAS' implementation is not dynamic in any way.  Rebuilding the index will require a full scan through the file and a full rebuild of the index.

Ah well, maybe something for the todo list, if it's possible with the
structure you've chosen :)

>> - we deal with multiple LAS files, so combining the trees would be
>> handy (this sounds hard!)
> 
> libLAS has no concept of multiple files.  I think this is the application's problem.

Yup, I agree.  It was worth a try though ;)

Cheers,

Mike.

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