Its for control the priority that children are paged in with, higher
priority tiles get read in first. The computation of the actual
priority uses the distance from the eye point multiplied by the
priority scale + priority offset. This approach is used to ensure the
most visually important tiles get paged in first.
On 8/9/07, FreeSouth <[EMAIL PROTECTED]> wrote:
>
> Hi :
> I want to know the function about this two parameter : priorityOffset and
> priorityScale , which appear in pagedLOD's constructor~~~~ , like this :
>
> PagedLOD::PerRangeData& PagedLOD::PerRangeData::operator =
> (const PerRangeData& prd)
> {
> if (this==&prd) return *this;
> _filename = prd._filename;
> _priorityOffset = prd._priorityOffset;
> _priorityScale = prd._priorityScale;
> _timeStamp = prd._timeStamp;
> return *this;
> }
>
> Thank you.
> FS
>
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