Thank you very much, Dr. Bunting,
This is exactly what I need. I really appreciate your help.
Have a nice day,
Tiangang
On Mon, Jun 30, 2014 at 12:15 PM, Pete Bunting <[email protected]> wrote:
> Dear Tiangang,
>
> Sorry for not getting back to you. I now understand your question, sorry
> it took me a while to get what you meant.
>
> The points are associated to a pulse using the PTS_START_IDX (i.e., the
> start index for the points associated with the pulse in the list of all
> points) and the count of the number of returns (NUMBER_OF_RETURNS; i.e.,
> the number of points to read from the PTS_START_IDX).
>
> If you use the python binding this will be abstracted away from you and
> each pulse just has a list of returns.
>
> I hope that helps.
>
> Pete
>
>
> On 27 Jun 2014, at 19:21, Tiangang Yin <[email protected]> wrote:
>
> > Dear Dr. Bunting,
> >
> > Sorry to send an email again, but I did not receive your answer for my
> previous question. Maybe this mail was missing, so I just forward this
> email again for information. Hope to get your answer soon. Sorry to
> interrupt you and thanks again for the work.
> >
> > Regards,
> >
> > Tiangang
> >
> > ---------- Forwarded message ----------
> > From: Tiangang Yin <[email protected]>
> > Date: Mon, Jun 16, 2014 at 11:54 AM
> > Subject: Re: SPDlib: Pulse ID not found in the points after processing
> > To: Pete Bunting <[email protected]>
> >
> >
> > Dear Dr. Bunting,
> >
> > I am sorry that my previous email is not very clear. I write my problem
> again in a word file and attach it in this mail. I would like to know if
> there is a way to link the processed point with the initial pulse ID.
> >
> > Thank you very much for your help.
> >
> >
> >
> > Regards,
> >
> >
> >
> >
> > On Thu, Jun 12, 2014 at 4:23 PM, Pete Bunting <[email protected]>
> wrote:
> > Dear Tiangang,
> >
> > I am not sure I really understand what you mean. Could you provide an
> example file or pulse/point records which illustrate what you mean?
> >
> > Best wishes,
> >
> > Pete
> >
> > ****************************************************
> > * Dr Pete Bunting
> > * Senior Lecturer in Remote Sensing
> > * Earth Observation and Ecosystem Dynamics Group
> > * Department of Geography and Earth Sciences
> > * Aberystwyth University
> > * Aberystwyth
> > * Ceredigion
> > * SY23 3DB
> > * UK
> > *
> > * Ph: +44 (0) 1970 622615
> > * Mob: +44 (0) 7917 842743
> > * Email: [email protected]
> > * ORCID: http://orcid.org/0000-0002-7435-0148
> > ****************************************************
> >
> > On 12 Jun 2014, at 13:00, Tiangang Yin <[email protected]>
> wrote:
> >
> >> Dear Dr. Bunting,
> >>
> >> My name is Tiangang Yin, and currently I am using SPDlib to process our
> full-waveform LIDAR data in order to combine the LIDAR point cloud with
> hyper-spectral measurement. The fusion of hyper-spectral data with LIDAR is
> linked by each pulse ID.
> >> I notice that after the point clouds is processed, in the HDF file, the
> original pulse IDs is no more associated with the processed points. Is
> there anyway to link the processed point with the pulse IDs?
> >> Thank you very much for your help.
> >>
> >>
> >> Regards,
> >>
> >> --
> >> Tiangang
> >> [email protected]
> >
> >
> >
> >
> > --
> > Tiangang
> > [email protected]
> >
> >
> >
> > --
> > Tiangang
> > [email protected]
> > <questionToBunting.doc><questionToBunting.pdf>
>
>
>
> ****************************************************
> * Dr Pete Bunting
> * Senior Lecturer in Remote Sensing
> * Earth Observation and Ecosystem Dynamics Group
> * Department of Geography and Earth Sciences
> * Aberystwyth University
> * Aberystwyth
> * Ceredigion
> * SY23 3DB
> * UK
> *
> * Ph: +44 (0) 1970 622615
> * Mob: +44 (0) 7917 842743
> * Email: [email protected]
> * ORCID: http://orcid.org/0000-0002-7435-0148
> ****************************************************
>
>
--
Tiangang
[email protected]
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