From besm at pml.ac.uk  Thu Aug 23 03:18:09 2012
From: besm at pml.ac.uk (Berin Smaldon)
Date: Thu, 23 Aug 2012 11:18:09 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
Message-ID: <50360361.8000608@pml.ac.uk>

As I gather, open source LAS viewers have been in short supply for some
time now, and having been talked about for over a year, we're finally
getting around to announcing a GPL licensed LAS viewer that Mike Grant
has been promising since the dawn of time. For now, this only works on Linux, but
I'm already working on the Windows port, the purpose here being to get
people using the software to attract bug reports, ideas and development.
So, feel free to try and get it working, I'll be interested to know how
it co-operates with other systems.

Here is the splash page: http://arsf.github.com/lag/

The link explains what to do to build it for your Linux system if you're so inclined, the Windows port is a bit of a way off yet though, but in the pipeline. If it were useful to enough people, I could potentially be persuaded to work out how to build packages for some Linux package managers too.

I acknowledge that the quality of the source code is poor in places.
There have been a number of student programmers before me having pretty
much free rein over how the program is structured and what conventions
are used. Documentation and improving the quality of the code is high on
my priority list, but not on the top of it. For now, my e-mail address
and the github page are the best sources of information, and will help
me work out how the github wiki pages could be more useful. In a few months when I'm no longer on the project, whatever e-mail address is on the splash screen or latest version of the software will have to do instead.

Enjoy,
Berin


<br />
<hr />
<p><font face="Arial" size="1">
Plymouth Marine Laboratory<br />
Registered Office: <br />
Prospect Place<br />
The Hoe<br />
Plymouth  PL1 3DH
</font></p>

<p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
<br />
<a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
<br />
Registered Charity No. 1091222<br />
PML is a company limited by guarantee<br />
registered in England & Wales<br />
company number 4178503</font></p>

<p><font face="Arial" size="1" color="green">Please think before you print.</font></p>

<hr />

<p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>

<p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>

<p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>

<p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>

<hr />
<br />
<br />


From mseibel at gmail.com  Thu Aug 23 03:58:55 2012
From: mseibel at gmail.com (Mark Seibel)
Date: Thu, 23 Aug 2012 06:58:55 -0400
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <50360361.8000608@pml.ac.uk>
References: <50360361.8000608@pml.ac.uk>
Message-ID: <CADHQGE2stvwpjf3WCCaoOe2D0mgGfK0G5S433w2YXjwvy2MeEQ@mail.gmail.com>

Fantastic!  Looking forward to giving it a go.

Mark

On Thu, Aug 23, 2012 at 6:18 AM, Berin Smaldon <besm at pml.ac.uk> wrote:
> As I gather, open source LAS viewers have been in short supply for some
> time now, and having been talked about for over a year, we're finally
> getting around to announcing a GPL licensed LAS viewer that Mike Grant
> has been promising since the dawn of time. For now, this only works on Linux, but
> I'm already working on the Windows port, the purpose here being to get
> people using the software to attract bug reports, ideas and development.
> So, feel free to try and get it working, I'll be interested to know how
> it co-operates with other systems.
>
> Here is the splash page: http://arsf.github.com/lag/
>
> The link explains what to do to build it for your Linux system if you're so inclined, the Windows port is a bit of a way off yet though, but in the pipeline. If it were useful to enough people, I could potentially be persuaded to work out how to build packages for some Linux package managers too.
>
> I acknowledge that the quality of the source code is poor in places.
> There have been a number of student programmers before me having pretty
> much free rein over how the program is structured and what conventions
> are used. Documentation and improving the quality of the code is high on
> my priority list, but not on the top of it. For now, my e-mail address
> and the github page are the best sources of information, and will help
> me work out how the github wiki pages could be more useful. In a few months when I'm no longer on the project, whatever e-mail address is on the splash screen or latest version of the software will have to do instead.
>
> Enjoy,
> Berin
>
>
> <br />
> <hr />
> <p><font face="Arial" size="1">
> Plymouth Marine Laboratory<br />
> Registered Office: <br />
> Prospect Place<br />
> The Hoe<br />
> Plymouth  PL1 3DH
> </font></p>
>
> <p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
> <br />
> <a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
> <br />
> Registered Charity No. 1091222<br />
> PML is a company limited by guarantee<br />
> registered in England & Wales<br />
> company number 4178503</font></p>
>
> <p><font face="Arial" size="1" color="green">Please think before you print.</font></p>
>
> <hr />
>
> <p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>
>
> <p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>
>
> <p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>
>
> <p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>
>
> <hr />
> <br />
> <br />
>
> _______________________________________________
> Liblas-devel mailing list
> Liblas-devel at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/liblas-devel

From mateusz at loskot.net  Thu Aug 23 04:01:58 2012
From: mateusz at loskot.net (Mateusz Loskot)
Date: Thu, 23 Aug 2012 12:01:58 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CADHQGE2stvwpjf3WCCaoOe2D0mgGfK0G5S433w2YXjwvy2MeEQ@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>
	<CADHQGE2stvwpjf3WCCaoOe2D0mgGfK0G5S433w2YXjwvy2MeEQ@mail.gmail.com>
Message-ID: <CABUeae-a1wmzT0X7KJFJ877=7aoG13+Dkq4_qr44rt_TTpvZjw@mail.gmail.com>

Yes, indeed, the project looks great.

Mat

On 23 August 2012 11:58, Mark Seibel <mseibel at gmail.com> wrote:
> Fantastic!  Looking forward to giving it a go.
>
> Mark
>
> On Thu, Aug 23, 2012 at 6:18 AM, Berin Smaldon <besm at pml.ac.uk> wrote:
>> As I gather, open source LAS viewers have been in short supply for some
>> time now, and having been talked about for over a year, we're finally
>> getting around to announcing a GPL licensed LAS viewer that Mike Grant
>> has been promising since the dawn of time. For now, this only works on Linux, but
>> I'm already working on the Windows port, the purpose here being to get
>> people using the software to attract bug reports, ideas and development.
>> So, feel free to try and get it working, I'll be interested to know how
>> it co-operates with other systems.
>>
>> Here is the splash page: http://arsf.github.com/lag/
>>
>> The link explains what to do to build it for your Linux system if you're so inclined, the Windows port is a bit of a way off yet though, but in the pipeline. If it were useful to enough people, I could potentially be persuaded to work out how to build packages for some Linux package managers too.
>>
>> I acknowledge that the quality of the source code is poor in places.
>> There have been a number of student programmers before me having pretty
>> much free rein over how the program is structured and what conventions
>> are used. Documentation and improving the quality of the code is high on
>> my priority list, but not on the top of it. For now, my e-mail address
>> and the github page are the best sources of information, and will help
>> me work out how the github wiki pages could be more useful. In a few months when I'm no longer on the project, whatever e-mail address is on the splash screen or latest version of the software will have to do instead.
>>
>> Enjoy,
>> Berin
>>
>>
>> <br />
>> <hr />
>> <p><font face="Arial" size="1">
>> Plymouth Marine Laboratory<br />
>> Registered Office: <br />
>> Prospect Place<br />
>> The Hoe<br />
>> Plymouth  PL1 3DH
>> </font></p>
>>
>> <p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
>> <br />
>> <a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
>> <br />
>> Registered Charity No. 1091222<br />
>> PML is a company limited by guarantee<br />
>> registered in England & Wales<br />
>> company number 4178503</font></p>
>>
>> <p><font face="Arial" size="1" color="green">Please think before you print.</font></p>
>>
>> <hr />
>>
>> <p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>
>>
>> <p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>
>>
>> <p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>
>>
>> <p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>
>>
>> <hr />
>> <br />
>> <br />
>>
>> _______________________________________________
>> Liblas-devel mailing list
>> Liblas-devel at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/liblas-devel
> _______________________________________________
> Liblas-devel mailing list
> Liblas-devel at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/liblas-devel



-- 
Mateusz Loskot, http://mateusz.loskot.net

From mseibel at gmail.com  Thu Aug 23 06:06:18 2012
From: mseibel at gmail.com (Mark Seibel)
Date: Thu, 23 Aug 2012 09:06:18 -0400
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <50360361.8000608@pml.ac.uk>
References: <50360361.8000608@pml.ac.uk>
Message-ID: <CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>

When I try to compile LAG, I have all components present except lidarquadtree.

I'm trying to compile the lidarquadtree, and have encountered errors.

configure error for LAG is:
Package requirements (lidarquadtree >=1.2 were not met:  no package
lidarquadtree found.

So I went to the lidarquadtree directory in the lidarsf-lag-53d94dd
directory and did ./configure and make.

Make returned this error:
In file included from src/LidarPoint.cpp:34:0:
src/LidarPoint.h:38:37: fatal error: laslib/lasdefinitions.hpp: No
such file or directory
compilation terminated.

I have the lasdefinitions.hpp file in the laslib directory, but it is
in ../lastools/laslib/inc/lasdefinitions.hpp

How do I make configure aware of this file's location?  I know I'm
missing something obvious, but I just cant see it.

Thanks,
Mark

On Thu, Aug 23, 2012 at 6:18 AM, Berin Smaldon <besm at pml.ac.uk> wrote:
> As I gather, open source LAS viewers have been in short supply for some
> time now, and having been talked about for over a year, we're finally
> getting around to announcing a GPL licensed LAS viewer that Mike Grant
> has been promising since the dawn of time. For now, this only works on Linux, but
> I'm already working on the Windows port, the purpose here being to get
> people using the software to attract bug reports, ideas and development.
> So, feel free to try and get it working, I'll be interested to know how
> it co-operates with other systems.
>
> Here is the splash page: http://arsf.github.com/lag/
>
> The link explains what to do to build it for your Linux system if you're so inclined, the Windows port is a bit of a way off yet though, but in the pipeline. If it were useful to enough people, I could potentially be persuaded to work out how to build packages for some Linux package managers too.
>
> I acknowledge that the quality of the source code is poor in places.
> There have been a number of student programmers before me having pretty
> much free rein over how the program is structured and what conventions
> are used. Documentation and improving the quality of the code is high on
> my priority list, but not on the top of it. For now, my e-mail address
> and the github page are the best sources of information, and will help
> me work out how the github wiki pages could be more useful. In a few months when I'm no longer on the project, whatever e-mail address is on the splash screen or latest version of the software will have to do instead.
>
> Enjoy,
> Berin
>
>
> <br />
> <hr />
> <p><font face="Arial" size="1">
> Plymouth Marine Laboratory<br />
> Registered Office: <br />
> Prospect Place<br />
> The Hoe<br />
> Plymouth  PL1 3DH
> </font></p>
>
> <p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
> <br />
> <a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
> <br />
> Registered Charity No. 1091222<br />
> PML is a company limited by guarantee<br />
> registered in England & Wales<br />
> company number 4178503</font></p>
>
> <p><font face="Arial" size="1" color="green">Please think before you print.</font></p>
>
> <hr />
>
> <p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>
>
> <p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>
>
> <p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>
>
> <p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>
>
> <hr />
> <br />
> <br />
>
> _______________________________________________
> Liblas-devel mailing list
> Liblas-devel at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/liblas-devel

From martin.isenburg at gmail.com  Thu Aug 23 06:39:36 2012
From: martin.isenburg at gmail.com (Martin Isenburg)
Date: Thu, 23 Aug 2012 06:39:36 -0700
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>
	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
Message-ID: <CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>

Hi,

sweet. so can LAG readily read LAZ files then?

you can potentially get a lot of speed-up when you load a fenced area if
you use the simple spatial query functionality through LASindex that LASlib
provides. lasreader->inside() functions instead of doing your own clipping
test in line 304 of LoadWorker.cpp

            if (usearea)
            {
                if (!vectorTest(fence.getXs(), fence.getYs(), 4,
                        reader->point.get_x(), reader->point.get_y()))
                {
                    skip_counter = 0;
                    continue;
                }

            }

instead you would put a

reader->inside_rectangle(fence.getXs()[0], fence.getYs()[0],
fence.getXs()[1], fence.getYs()[1]);

at the beginning of the reader loop and then LASlib will utilize the
spatially indexing LAX files should they be present or not give you any win
otherwise. For the moment you need to dig through code and LAStools user
forum to learn more about LASindex, but I will present the details at this
year's ELMF in Salzburg

Cheers,

Martin @rapidlasso

On Thu, Aug 23, 2012 at 6:06 AM, Mark Seibel <mseibel at gmail.com> wrote:

> When I try to compile LAG, I have all components present except
> lidarquadtree.
>
> I'm trying to compile the lidarquadtree, and have encountered errors.
>
> configure error for LAG is:
> Package requirements (lidarquadtree >=1.2 were not met:  no package
> lidarquadtree found.
>
> So I went to the lidarquadtree directory in the lidarsf-lag-53d94dd
> directory and did ./configure and make.
>
> Make returned this error:
> In file included from src/LidarPoint.cpp:34:0:
> src/LidarPoint.h:38:37: fatal error: laslib/lasdefinitions.hpp: No
> such file or directory
> compilation terminated.
>
> I have the lasdefinitions.hpp file in the laslib directory, but it is
> in ../lastools/laslib/inc/lasdefinitions.hpp
>
> How do I make configure aware of this file's location?  I know I'm
> missing something obvious, but I just cant see it.
>
> Thanks,
> Mark
>
> On Thu, Aug 23, 2012 at 6:18 AM, Berin Smaldon <besm at pml.ac.uk> wrote:
> > As I gather, open source LAS viewers have been in short supply for some
> > time now, and having been talked about for over a year, we're finally
> > getting around to announcing a GPL licensed LAS viewer that Mike Grant
> > has been promising since the dawn of time. For now, this only works on
> Linux, but
> > I'm already working on the Windows port, the purpose here being to get
> > people using the software to attract bug reports, ideas and development.
> > So, feel free to try and get it working, I'll be interested to know how
> > it co-operates with other systems.
> >
> > Here is the splash page: http://arsf.github.com/lag/
> >
> > The link explains what to do to build it for your Linux system if you're
> so inclined, the Windows port is a bit of a way off yet though, but in the
> pipeline. If it were useful to enough people, I could potentially be
> persuaded to work out how to build packages for some Linux package managers
> too.
> >
> > I acknowledge that the quality of the source code is poor in places.
> > There have been a number of student programmers before me having pretty
> > much free rein over how the program is structured and what conventions
> > are used. Documentation and improving the quality of the code is high on
> > my priority list, but not on the top of it. For now, my e-mail address
> > and the github page are the best sources of information, and will help
> > me work out how the github wiki pages could be more useful. In a few
> months when I'm no longer on the project, whatever e-mail address is on the
> splash screen or latest version of the software will have to do instead.
> >
> > Enjoy,
> > Berin
> >
> >
> > <br />
> > <hr />
> > <p><font face="Arial" size="1">
> > Plymouth Marine Laboratory<br />
> > Registered Office: <br />
> > Prospect Place<br />
> > The Hoe<br />
> > Plymouth  PL1 3DH
> > </font></p>
> >
> > <p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">
> www.pml.ac.uk</a>
> > <br />
> > <a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click
> here for the latest PML Annual Review</a>
> > <br />
> > Registered Charity No. 1091222<br />
> > PML is a company limited by guarantee<br />
> > registered in England & Wales<br />
> > company number 4178503</font></p>
> >
> > <p><font face="Arial" size="1" color="green">Please think before you
> print.</font></p>
> >
> > <hr />
> >
> > <p><font face="Arial" size="1">This e-mail, its content and any file
> attachments are confidential.</font></p>
> >
> > <p><font face="Arial" size="1">If you have received this e-mail in error
> please do not copy, disclose it to any third party or use the contents or
> attachments in any way. Please notify the sender by replying to this e-mail
> or e-mail forinfo at pml.ac.uk and then delete the email without making any
> copies or using it in any other way.</font></p>
> >
> > <p><font face="Arial" size="1">The content of this message may contain
> personal views which are not the views of Plymouth Marine Laboratory unless
> specifically stated.</font></p>
> >
> > <p><font face="Arial" size="1">You are reminded that e-mail
> communications are not secure and may contain viruses. Plymouth Marine
> Laboratory accepts no liability for any loss or damage which may be caused
> by viruses.</font></p>
> >
> > <hr />
> > <br />
> > <br />
> >
> > _______________________________________________
> > Liblas-devel mailing list
> > Liblas-devel at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/liblas-devel
> _______________________________________________
> Liblas-devel mailing list
> Liblas-devel at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/liblas-devel
>
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From mateusz at loskot.net  Thu Aug 23 06:45:27 2012
From: mateusz at loskot.net (Mateusz Loskot)
Date: Thu, 23 Aug 2012 14:45:27 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>
	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
	<CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>
Message-ID: <CABUeae_BBB-vEEndHaxko6it-bAGhpM-Ra8rQeu00FBOFwoXAA@mail.gmail.com>

On 23 August 2012 14:39, Martin Isenburg <martin.isenburg at gmail.com> wrote:
>
> reader->inside_rectangle(fence.getXs()[0], fence.getYs()[0],
> fence.getXs()[1], fence.getYs()[1]);

Speaking of performance, replace

fence.getXs()[0], fence.getYs()[0], fence.getXs()[1], fence.getYs()[1]);

with
vector<double> const x = fence.getXs();
vector<double> const y = fence.getys();
x[0], y[0], x[1], y[1]);

and you are 50% of vector<double> copies less.

As SelectionBox is represented by 4 elements only, std::array would be cheaper.

"Every little helps."

Best regards,
-- 
Mateusz Loskot, http://mateusz.loskot.net

From besm at pml.ac.uk  Thu Aug 23 06:50:18 2012
From: besm at pml.ac.uk (Berin Smaldon)
Date: Thu, 23 Aug 2012 14:50:18 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>
	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
Message-ID: <5036351A.6040402@pml.ac.uk>

Hi Mark,

Sorry about that, it seems that on our systems we have installed the
laslib headers to /usr/local/include/laslib. Problematically, both
programs I think expect the headers to be in the format laslib/*.hpp,
I'm not sure yet whether that's specific to our system and we should
change the program to ignore the "laslib/" prefix, so that the configure
script can be configured to point the compiler to any old directory, or
whether there is some conventional way of installing laslib that we've
followed. I'm afraid Mike, who would know, is away until Tuesday, so I
can't say for sure.

Your options are to either wait for me to find out and I will set it up
how it should be, (configure already points the compiler at both
/usr/local/include and /usr/local/include/laslib, so you or I should be
able to change any of the include statements over without trouble) OR
you can work around it for now if you don't mind the hassle.

To work around it, either copy the headers to
/usr/local/include/laslib/, or copy them to some local location you'll
remember to delete, and as long as they're in a folder called laslib,
you'll be able to point the compiler to the parent folder with:

export laslib_CFLAGS=-I/path/to/folder # where folder contains laslib/*.hpp
export laslib_LIBS=-L/path/to/object/files -llaslib
./configure

I'm concerned that our .pc files for laslib are our own version and that
there is no official version. I will get back to you on Tuesday with
more details on that.

Berin

On 23/08/12 14:06, Mark Seibel wrote:
> When I try to compile LAG, I have all components present except lidarquadtree.
>
> I'm trying to compile the lidarquadtree, and have encountered errors.
>
> configure error for LAG is:
> Package requirements (lidarquadtree >=1.2 were not met:  no package
> lidarquadtree found.
>
> So I went to the lidarquadtree directory in the lidarsf-lag-53d94dd
> directory and did ./configure and make.
>
> Make returned this error:
> In file included from src/LidarPoint.cpp:34:0:
> src/LidarPoint.h:38:37: fatal error: laslib/lasdefinitions.hpp: No
> such file or directory
> compilation terminated.
>
> I have the lasdefinitions.hpp file in the laslib directory, but it is
> in ../lastools/laslib/inc/lasdefinitions.hpp
>
> How do I make configure aware of this file's location?  I know I'm
> missing something obvious, but I just cant see it.
>
> Thanks,
> Mark
>
> On Thu, Aug 23, 2012 at 6:18 AM, Berin Smaldon <besm at pml.ac.uk> wrote:
>> As I gather, open source LAS viewers have been in short supply for some
>> time now, and having been talked about for over a year, we're finally
>> getting around to announcing a GPL licensed LAS viewer that Mike Grant
>> has been promising since the dawn of time. For now, this only works on Linux, but
>> I'm already working on the Windows port, the purpose here being to get
>> people using the software to attract bug reports, ideas and development.
>> So, feel free to try and get it working, I'll be interested to know how
>> it co-operates with other systems.
>>
>> Here is the splash page: http://arsf.github.com/lag/
>>
>> The link explains what to do to build it for your Linux system if you're so inclined, the Windows port is a bit of a way off yet though, but in the pipeline. If it were useful to enough people, I could potentially be persuaded to work out how to build packages for some Linux package managers too.
>>
>> I acknowledge that the quality of the source code is poor in places.
>> There have been a number of student programmers before me having pretty
>> much free rein over how the program is structured and what conventions
>> are used. Documentation and improving the quality of the code is high on
>> my priority list, but not on the top of it. For now, my e-mail address
>> and the github page are the best sources of information, and will help
>> me work out how the github wiki pages could be more useful. In a few months when I'm no longer on the project, whatever e-mail address is on the splash screen or latest version of the software will have to do instead.
>>
>> Enjoy,
>> Berin
>>
>>
>> <br />
>> <hr />
>> <p><font face="Arial" size="1">
>> Plymouth Marine Laboratory<br />
>> Registered Office: <br />
>> Prospect Place<br />
>> The Hoe<br />
>> Plymouth  PL1 3DH
>> </font></p>
>>
>> <p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
>> <br />
>> <a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
>> <br />
>> Registered Charity No. 1091222<br />
>> PML is a company limited by guarantee<br />
>> registered in England & Wales<br />
>> company number 4178503</font></p>
>>
>> <p><font face="Arial" size="1" color="green">Please think before you print.</font></p>
>>
>> <hr />
>>
>> <p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>
>>
>> <p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>
>>
>> <p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>
>>
>> <p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>
>>
>> <hr />
>> <br />
>> <br />
>>
>> _______________________________________________
>> Liblas-devel mailing list
>> Liblas-devel at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/liblas-devel


<br />
<hr />
<p><font face="Arial" size="1">
Plymouth Marine Laboratory<br />
Registered Office: <br />
Prospect Place<br />
The Hoe<br />
Plymouth  PL1 3DH
</font></p>

<p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
<br />
<a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
<br />
Registered Charity No. 1091222<br />
PML is a company limited by guarantee<br />
registered in England & Wales<br />
company number 4178503</font></p>

<p><font face="Arial" size="1" color="green">Please think before you print.</font></p>

<hr />

<p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>

<p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>

<p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>

<p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>

<hr />
<br />
<br />


From besm at pml.ac.uk  Thu Aug 23 06:56:34 2012
From: besm at pml.ac.uk (Berin Smaldon)
Date: Thu, 23 Aug 2012 14:56:34 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
	<CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>
Message-ID: <50363692.9020905@pml.ac.uk>

Hi,

I tried earlier on this machine and it did not, although I heavily
suspect that our system-wide installation is sorely outdated. I will
open an issue on github to remind myself to make sure it is capable of
doing so, as performance is certainly an area we would like to improve
in LAG.

I will open an issue now though to remind myself to make that change,
since that seems like a logical thing to do. If there is any other
laslib documentation and tips anywhere then I will be glad to look
through and see if there's any easy changes I can make to improve
performance.

Berin

On 23/08/12 14:39, Martin Isenburg wrote:
> Hi,
>
> sweet. so can LAG readily read LAZ files then?
>
> you can potentially get a lot of speed-up when you load a fenced area
> if you use the simple spatial query functionality through LASindex
> that LASlib provides. lasreader->inside() functions instead of doing
> your own clipping test in line 304 of LoadWorker.cpp
>
>             if (usearea)
>             {
>                 if (!vectorTest(fence.getXs(), fence.getYs(), 4,
>                         reader->point.get_x(), reader->point.get_y()))
>                 {
>                     skip_counter = 0;
>                     continue;
>                 }
>
>             }
>
> instead you would put a
>
> reader->inside_rectangle(fence.getXs()[0], fence.getYs()[0],
> fence.getXs()[1], fence.getYs()[1]);
>
> at the beginning of the reader loop and then LASlib will utilize the
> spatially indexing LAX files should they be present or not give you
> any win otherwise. For the moment you need to dig through code and
> LAStools user forum to learn more about LASindex, but I will present
> the details at this year's ELMF in Salzburg
>
> Cheers,
>
> Martin @rapidlasso
>
> On Thu, Aug 23, 2012 at 6:06 AM, Mark Seibel <mseibel at gmail.com
> <mailto:mseibel at gmail.com>> wrote:
>
>     When I try to compile LAG, I have all components present except
>     lidarquadtree.
>
>     I'm trying to compile the lidarquadtree, and have encountered errors.
>
>     configure error for LAG is:
>     Package requirements (lidarquadtree >=1.2 were not met:  no package
>     lidarquadtree found.
>
>     So I went to the lidarquadtree directory in the lidarsf-lag-53d94dd
>     directory and did ./configure and make.
>
>     Make returned this error:
>     In file included from src/LidarPoint.cpp:34:0:
>     src/LidarPoint.h:38:37: fatal error: laslib/lasdefinitions.hpp: No
>     such file or directory
>     compilation terminated.
>
>     I have the lasdefinitions.hpp file in the laslib directory, but it is
>     in ../lastools/laslib/inc/lasdefinitions.hpp
>
>     How do I make configure aware of this file's location?  I know I'm
>     missing something obvious, but I just cant see it.
>
>     Thanks,
>     Mark
>
>     On Thu, Aug 23, 2012 at 6:18 AM, Berin Smaldon <besm at pml.ac.uk
>     <mailto:besm at pml.ac.uk>> wrote:
>     > As I gather, open source LAS viewers have been in short supply
>     for some
>     > time now, and having been talked about for over a year, we're
>     finally
>     > getting around to announcing a GPL licensed LAS viewer that Mike
>     Grant
>     > has been promising since the dawn of time. For now, this only
>     works on Linux, but
>     > I'm already working on the Windows port, the purpose here being
>     to get
>     > people using the software to attract bug reports, ideas and
>     development.
>     > So, feel free to try and get it working, I'll be interested to
>     know how
>     > it co-operates with other systems.
>     >
>     > Here is the splash page: http://arsf.github.com/lag/
>     >
>     > The link explains what to do to build it for your Linux system
>     if you're so inclined, the Windows port is a bit of a way off yet
>     though, but in the pipeline. If it were useful to enough people, I
>     could potentially be persuaded to work out how to build packages
>     for some Linux package managers too.
>     >
>     > I acknowledge that the quality of the source code is poor in places.
>     > There have been a number of student programmers before me having
>     pretty
>     > much free rein over how the program is structured and what
>     conventions
>     > are used. Documentation and improving the quality of the code is
>     high on
>     > my priority list, but not on the top of it. For now, my e-mail
>     address
>     > and the github page are the best sources of information, and
>     will help
>     > me work out how the github wiki pages could be more useful. In a
>     few months when I'm no longer on the project, whatever e-mail
>     address is on the splash screen or latest version of the software
>     will have to do instead.
>     >
>     > Enjoy,
>     > Berin
>     >
>     >
>     > <br />
>     > <hr />
>     > <p><font face="Arial" size="1">
>     > Plymouth Marine Laboratory<br />
>     > Registered Office: <br />
>     > Prospect Place<br />
>     > The Hoe<br />
>     > Plymouth  PL1 3DH
>     > </font></p>
>     >
>     > <p><font face="Arial" size="1">Website: <a
>     href="http://www.pml.ac.uk">www.pml.ac.uk <http://www.pml.ac.uk></a>
>     > <br />
>     > <a
>     href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click
>     here for the latest PML Annual Review</a>
>     > <br />
>     > Registered Charity No. 1091222<br />
>     > PML is a company limited by guarantee<br />
>     > registered in England & Wales<br />
>     > company number 4178503</font></p>
>     >
>     > <p><font face="Arial" size="1" color="green">Please think before
>     you print.</font></p>
>     >
>     > <hr />
>     >
>     > <p><font face="Arial" size="1">This e-mail, its content and any
>     file attachments are confidential.</font></p>
>     >
>     > <p><font face="Arial" size="1">If you have received this e-mail
>     in error please do not copy, disclose it to any third party or use
>     the contents or attachments in any way. Please notify the sender
>     by replying to this e-mail or e-mail forinfo at pml.ac.uk
>     <mailto:forinfo at pml.ac.uk> and then delete the email without
>     making any copies or using it in any other way.</font></p>
>     >
>     > <p><font face="Arial" size="1">The content of this message may
>     contain personal views which are not the views of Plymouth Marine
>     Laboratory unless specifically stated.</font></p>
>     >
>     > <p><font face="Arial" size="1">You are reminded that e-mail
>     communications are not secure and may contain viruses. Plymouth
>     Marine Laboratory accepts no liability for any loss or damage
>     which may be caused by viruses.</font></p>
>     >
>     > <hr />
>     > <br />
>     > <br />
>     >
>     > _______________________________________________
>     > Liblas-devel mailing list
>     > Liblas-devel at lists.osgeo.org <mailto:Liblas-devel at lists.osgeo.org>
>     > http://lists.osgeo.org/mailman/listinfo/liblas-devel
>     _______________________________________________
>     Liblas-devel mailing list
>     Liblas-devel at lists.osgeo.org <mailto:Liblas-devel at lists.osgeo.org>
>     http://lists.osgeo.org/mailman/listinfo/liblas-devel
>
>


<br />
<hr />
<p><font face="Arial" size="1">
Plymouth Marine Laboratory<br />
Registered Office: <br />
Prospect Place<br />
The Hoe<br />
Plymouth  PL1 3DH
</font></p>

<p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
<br />
<a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
<br />
Registered Charity No. 1091222<br />
PML is a company limited by guarantee<br />
registered in England & Wales<br />
company number 4178503</font></p>

<p><font face="Arial" size="1" color="green">Please think before you print.</font></p>

<hr />

<p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>

<p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>

<p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>

<p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>

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From besm at pml.ac.uk  Thu Aug 23 06:58:57 2012
From: besm at pml.ac.uk (Berin Smaldon)
Date: Thu, 23 Aug 2012 14:58:57 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CABUeae_BBB-vEEndHaxko6it-bAGhpM-Ra8rQeu00FBOFwoXAA@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>	<CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>
	<CABUeae_BBB-vEEndHaxko6it-bAGhpM-Ra8rQeu00FBOFwoXAA@mail.gmail.com>
Message-ID: <50363721.6010706@pml.ac.uk>

Looks good. LAG does much too much needless copying and memory
allocation for my liking. I will open an issue on github to make sure I
don't forget to do this.

Berin

On 23/08/12 14:45, Mateusz Loskot wrote:
> On 23 August 2012 14:39, Martin Isenburg <martin.isenburg at gmail.com> wrote:
>> reader->inside_rectangle(fence.getXs()[0], fence.getYs()[0],
>> fence.getXs()[1], fence.getYs()[1]);
> Speaking of performance, replace
>
> fence.getXs()[0], fence.getYs()[0], fence.getXs()[1], fence.getYs()[1]);
>
> with
> vector<double> const x = fence.getXs();
> vector<double> const y = fence.getys();
> x[0], y[0], x[1], y[1]);
>
> and you are 50% of vector<double> copies less.
>
> As SelectionBox is represented by 4 elements only, std::array would be cheaper.
>
> "Every little helps."
>
> Best regards,


<br />
<hr />
<p><font face="Arial" size="1">
Plymouth Marine Laboratory<br />
Registered Office: <br />
Prospect Place<br />
The Hoe<br />
Plymouth  PL1 3DH
</font></p>

<p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
<br />
<a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
<br />
Registered Charity No. 1091222<br />
PML is a company limited by guarantee<br />
registered in England & Wales<br />
company number 4178503</font></p>

<p><font face="Arial" size="1" color="green">Please think before you print.</font></p>

<hr />

<p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>

<p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>

<p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>

<p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>

<hr />
<br />
<br />


From martin.isenburg at gmail.com  Thu Aug 23 07:08:49 2012
From: martin.isenburg at gmail.com (Martin Isenburg)
Date: Thu, 23 Aug 2012 07:08:49 -0700
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <50363692.9020905@pml.ac.uk>
References: <50360361.8000608@pml.ac.uk>
	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
	<CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>
	<50363692.9020905@pml.ac.uk>
Message-ID: <CABSWR-GQ7=wm64RLt08W8Z+yxaLgagU_R_PPGcQirVs9z=0K2A@mail.gmail.com>

Hi Berin,

if you use LASlib and you can open LAS files then you can also open LAZ
files as the code path is the same. It may be that your LAG file selector
does not allow a *.laz ending? In this case simply test by renaming
(temporarily) a *.laz file to *.las and try to open it. LASlib decides
based in the content (not the ending) whether the LAS file is compressed of
not.

Cheers,

Martin

PS: if you use lasreadopener, then you would also
BIN/SHP/QFIT/ASCII/ASC/BIL support that would get opened "as if" they were
LAS files ...

On Thu, Aug 23, 2012 at 6:56 AM, Berin Smaldon <besm at pml.ac.uk> wrote:

> **
> Hi,
>
> I tried earlier on this machine and it did not, although I heavily suspect
> that our system-wide installation is sorely outdated. I will open an issue
> on github to remind myself to make sure it is capable of doing so, as
> performance is certainly an area we would like to improve in LAG.
>
> I will open an issue now though to remind myself to make that change,
> since that seems like a logical thing to do. If there is any other laslib
> documentation and tips anywhere then I will be glad to look through and see
> if there's any easy changes I can make to improve performance.
>
> Berin
>
> On 23/08/12 14:39, Martin Isenburg wrote:
>
> Hi,
>
> sweet. so can LAG readily read LAZ files then?
>
> you can potentially get a lot of speed-up when you load a fenced area if
> you use the simple spatial query functionality through LASindex that LASlib
> provides. lasreader->inside() functions instead of doing your own clipping
> test in line 304 of LoadWorker.cpp
>
>             if (usearea)
>             {
>                 if (!vectorTest(fence.getXs(), fence.getYs(), 4,
>                         reader->point.get_x(), reader->point.get_y()))
>                 {
>                     skip_counter = 0;
>                     continue;
>                 }
>
>             }
>
> instead you would put a
>
> reader->inside_rectangle(fence.getXs()[0], fence.getYs()[0],
> fence.getXs()[1], fence.getYs()[1]);
>
> at the beginning of the reader loop and then LASlib will utilize the
> spatially indexing LAX files should they be present or not give you any win
> otherwise. For the moment you need to dig through code and LAStools user
> forum to learn more about LASindex, but I will present the details at this
> year's ELMF in Salzburg
>
> Cheers,
>
> Martin @rapidlasso
>
> On Thu, Aug 23, 2012 at 6:06 AM, Mark Seibel <mseibel at gmail.com> wrote:
>
>> When I try to compile LAG, I have all components present except
>> lidarquadtree.
>>
>> I'm trying to compile the lidarquadtree, and have encountered errors.
>>
>> configure error for LAG is:
>> Package requirements (lidarquadtree >=1.2 were not met:  no package
>> lidarquadtree found.
>>
>> So I went to the lidarquadtree directory in the lidarsf-lag-53d94dd
>> directory and did ./configure and make.
>>
>> Make returned this error:
>> In file included from src/LidarPoint.cpp:34:0:
>> src/LidarPoint.h:38:37: fatal error: laslib/lasdefinitions.hpp: No
>> such file or directory
>> compilation terminated.
>>
>> I have the lasdefinitions.hpp file in the laslib directory, but it is
>> in ../lastools/laslib/inc/lasdefinitions.hpp
>>
>> How do I make configure aware of this file's location?  I know I'm
>> missing something obvious, but I just cant see it.
>>
>> Thanks,
>> Mark
>>
>> On Thu, Aug 23, 2012 at 6:18 AM, Berin Smaldon <besm at pml.ac.uk> wrote:
>>  > As I gather, open source LAS viewers have been in short supply for
>> some
>> > time now, and having been talked about for over a year, we're finally
>> > getting around to announcing a GPL licensed LAS viewer that Mike Grant
>> > has been promising since the dawn of time. For now, this only works on
>> Linux, but
>> > I'm already working on the Windows port, the purpose here being to get
>> > people using the software to attract bug reports, ideas and development.
>> > So, feel free to try and get it working, I'll be interested to know how
>> > it co-operates with other systems.
>> >
>> > Here is the splash page: http://arsf.github.com/lag/
>> >
>> > The link explains what to do to build it for your Linux system if
>> you're so inclined, the Windows port is a bit of a way off yet though, but
>> in the pipeline. If it were useful to enough people, I could potentially be
>> persuaded to work out how to build packages for some Linux package managers
>> too.
>> >
>> > I acknowledge that the quality of the source code is poor in places.
>> > There have been a number of student programmers before me having pretty
>> > much free rein over how the program is structured and what conventions
>> > are used. Documentation and improving the quality of the code is high on
>> > my priority list, but not on the top of it. For now, my e-mail address
>> > and the github page are the best sources of information, and will help
>> > me work out how the github wiki pages could be more useful. In a few
>> months when I'm no longer on the project, whatever e-mail address is on the
>> splash screen or latest version of the software will have to do instead.
>> >
>> > Enjoy,
>> > Berin
>> >
>> >
>> > <br />
>> > <hr />
>> > <p><font face="Arial" size="1">
>> > Plymouth Marine Laboratory<br />
>> > Registered Office: <br />
>> > Prospect Place<br />
>> > The Hoe<br />
>> > Plymouth  PL1 3DH
>> > </font></p>
>> >
>> > <p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">
>> www.pml.ac.uk</a>
>> > <br />
>> > <a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click
>> here for the latest PML Annual Review</a>
>> > <br />
>> > Registered Charity No. 1091222<br />
>> > PML is a company limited by guarantee<br />
>> > registered in England & Wales<br />
>> > company number 4178503</font></p>
>> >
>> > <p><font face="Arial" size="1" color="green">Please think before you
>> print.</font></p>
>> >
>> > <hr />
>> >
>> > <p><font face="Arial" size="1">This e-mail, its content and any file
>> attachments are confidential.</font></p>
>> >
>> > <p><font face="Arial" size="1">If you have received this e-mail in
>> error please do not copy, disclose it to any third party or use the
>> contents or attachments in any way. Please notify the sender by replying to
>> this e-mail or e-mail forinfo at pml.ac.uk and then delete the email
>> without making any copies or using it in any other way.</font></p>
>> >
>> > <p><font face="Arial" size="1">The content of this message may contain
>> personal views which are not the views of Plymouth Marine Laboratory unless
>> specifically stated.</font></p>
>> >
>> > <p><font face="Arial" size="1">You are reminded that e-mail
>> communications are not secure and may contain viruses. Plymouth Marine
>> Laboratory accepts no liability for any loss or damage which may be caused
>> by viruses.</font></p>
>> >
>> > <hr />
>> > <br />
>> > <br />
>> >
>> > _______________________________________________
>> > Liblas-devel mailing list
>> > Liblas-devel at lists.osgeo.org
>> > http://lists.osgeo.org/mailman/listinfo/liblas-devel
>> _______________________________________________
>> Liblas-devel mailing list
>> Liblas-devel at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/liblas-devel
>>
>
>
>
> ------------------------------
>
>
> Plymouth Marine Laboratory
>
> Registered Office:
>
> Prospect Place
>
> The Hoe
>
> Plymouth  PL1 3DH
>
> Website: www.pml.ac.uk
>
> Click here for the latest PML Annual Review <http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf>
>
> Registered Charity No. 1091222
>
>
> PML is a company limited by guarantee
>
> registered in England & Wales
>
> company number 4178503
>
> Please think before you print.
>
> ------------------------------
>
> This e-mail, its content and any file attachments are confidential.
>
> If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.
>
> The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.
>
> You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.
>
> ------------------------------
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>
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From besm at pml.ac.uk  Thu Aug 23 07:25:56 2012
From: besm at pml.ac.uk (Berin Smaldon)
Date: Thu, 23 Aug 2012 15:25:56 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CABSWR-GQ7=wm64RLt08W8Z+yxaLgagU_R_PPGcQirVs9z=0K2A@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>	<CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>	<50363692.9020905@pml.ac.uk>
	<CABSWR-GQ7=wm64RLt08W8Z+yxaLgagU_R_PPGcQirVs9z=0K2A@mail.gmail.com>
Message-ID: <50363D74.1090805@pml.ac.uk>

Hi again,

I was disappointed to find that the previous developer had just added a
function to check the filename ending for ".las" or ".LAS" to decide
whether a given file is a LAS file or not. I have added .laz and .LAZ
for the time being, and merged the changes into the testing branch,
where LAG now appears to load LAZ files without a single hiccup.

I should hope to change this in future.

For the meantime, anyone who wants this functionality can use git to use
the hotfix:
git clone git at github.com:arsf/lag.git
git checkout testing
*compile as usual*

Berin

On 23/08/12 15:08, Martin Isenburg wrote:
> Hi Berin,
>
> if you use LASlib and you can open LAS files then you can also open
> LAZ files as the code path is the same. It may be that your LAG file
> selector does not allow a *.laz ending? In this case simply test by
> renaming (temporarily) a *.laz file to *.las and try to open it.
> LASlib decides based in the content (not the ending) whether the LAS
> file is compressed of not.
>
> Cheers,
>
> Martin
>
> PS: if you use lasreadopener, then you would also
> BIN/SHP/QFIT/ASCII/ASC/BIL support that would get opened "as if" they
> were LAS files ...
>

<br />
<hr />
<p><font face="Arial" size="1">
Plymouth Marine Laboratory<br />
Registered Office: <br />
Prospect Place<br />
The Hoe<br />
Plymouth  PL1 3DH
</font></p>

<p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
<br />
<a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
<br />
Registered Charity No. 1091222<br />
PML is a company limited by guarantee<br />
registered in England & Wales<br />
company number 4178503</font></p>

<p><font face="Arial" size="1" color="green">Please think before you print.</font></p>

<hr />

<p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>

<p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>

<p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>

<p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>

<hr />
<br />
<br />

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From hobu.inc at gmail.com  Thu Aug 23 07:54:03 2012
From: hobu.inc at gmail.com (Howard Butler)
Date: Thu, 23 Aug 2012 09:54:03 -0500
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <50363D74.1090805@pml.ac.uk>
References: <50360361.8000608@pml.ac.uk>	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>	<CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>	<50363692.9020905@pml.ac.uk>
	<CABSWR-GQ7=wm64RLt08W8Z+yxaLgagU_R_PPGcQirVs9z=0K2A@mail.gmail.com>
	<50363D74.1090805@pml.ac.uk>
Message-ID: <F0EFB9F8-CB26-4C55-B039-0C4BCEEAA9ED@gmail.com>

This looks awesome.

I'll add that Grant Brown added a freeglut-based simple viewer (lasviewer) based on PyOpenGL to laspy at https://github.com/grantbrown/laspy .  It needs quite a bit of work (addition of mouse navigation would be nice), but the fun part is that it's programmable in pure python. It's primary features are fly-through navigation and RGB/Intensity colorization.  PDAL has a freeglut-based simple viewer too, but both of these are simple visualization -- and they're not as useful as LAG appears to be.

Martin,

When can we convince you that proper source code tracking and versioned releases are prerequisite for people to build upon your software?  It's great that LASlib is LGPL, but it's frustrating that we can't refer to release versions, or track your changes in a revision system unless we're doing it ourselves manually.  Things like LAG demonstrate the need for this even more clearly.

Howard

On Aug 23, 2012, at 9:25 AM, Berin Smaldon wrote:

> Hi again,
> 
> I was disappointed to find that the previous developer had just added a function to check the filename ending for ".las" or ".LAS" to decide whether a given file is a LAS file or not. I have added .laz and .LAZ for the time being, and merged the changes into the testing branch, where LAG now appears to load LAZ files without a single hiccup.
> 
> I should hope to change this in future.
> 
> For the meantime, anyone who wants this functionality can use git to use the hotfix:
> git clone git at github.com:arsf/lag.git
> git checkout testing
> *compile as usual*
> 
> Berin
> 
> On 23/08/12 15:08, Martin Isenburg wrote:
>> 
>> Hi Berin,
>> 
>> if you use LASlib and you can open LAS files then you can also open LAZ files as the code path is the same. It may be that your LAG file selector does not allow a *.laz ending? In this case simply test by renaming (temporarily) a *.laz file to *.las and try to open it. LASlib decides based in the content (not the ending) whether the LAS file is compressed of not.
>> 
>> Cheers,
>> 
>> Martin
>> 
>> PS: if you use lasreadopener, then you would also BIN/SHP/QFIT/ASCII/ASC/BIL support that would get opened "as if" they were LAS files ...
>> 
> 
> 
> 
> Plymouth Marine Laboratory
> 
> Registered Office: 
> 
> Prospect Place
> 
> The Hoe
> 
> Plymouth  PL1 3DH
> 
> Website: www.pml.ac.uk
> 
> 
> Click here for the latest PML Annual Review
> 
> 
> Registered Charity No. 1091222
> 
> PML is a company limited by guarantee
> 
> registered in England & Wales
> 
> company number 4178503
> 
> Please think before you print.
> 
> 
> 
> This e-mail, its content and any file attachments are confidential.
> 
> If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.
> 
> The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.
> 
> You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.
> 
> 
> 
> 
> 
> 
> 
> 
> _______________________________________________
> Liblas-devel mailing list
> Liblas-devel at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/liblas-devel

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From mseibel at gmail.com  Thu Aug 23 07:57:57 2012
From: mseibel at gmail.com (Mark Seibel)
Date: Thu, 23 Aug 2012 10:57:57 -0400
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <5036351A.6040402@pml.ac.uk>
References: <50360361.8000608@pml.ac.uk>
	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
	<5036351A.6040402@pml.ac.uk>
Message-ID: <CADHQGE3M_UJjBYt=BYjdbJS6EzPAs1egazP7BD_uEEeHF4EOpQ@mail.gmail.com>

I copied the .hpp files into /usr/local/include/laslib and the
compilation went further.  Any suggestions?

Now I end up with errors:

/usr/bin/ld: cannot find -llaslib
/usr/bin/ld: cannot find -ljemalloc
collect2: ld returned 1 exit status
make[1]: *** [liblidarquadtree.la] Error 1


Mark

On Thu, Aug 23, 2012 at 9:50 AM, Berin Smaldon <besm at pml.ac.uk> wrote:
> Hi Mark,
>
> Sorry about that, it seems that on our systems we have installed the
> laslib headers to /usr/local/include/laslib. Problematically, both
> programs I think expect the headers to be in the format laslib/*.hpp,
> I'm not sure yet whether that's specific to our system and we should
> change the program to ignore the "laslib/" prefix, so that the configure
> script can be configured to point the compiler to any old directory, or
> whether there is some conventional way of installing laslib that we've
> followed. I'm afraid Mike, who would know, is away until Tuesday, so I
> can't say for sure.
>
> Your options are to either wait for me to find out and I will set it up
> how it should be, (configure already points the compiler at both
> /usr/local/include and /usr/local/include/laslib, so you or I should be
> able to change any of the include statements over without trouble) OR
> you can work around it for now if you don't mind the hassle.
>
> To work around it, either copy the headers to
> /usr/local/include/laslib/, or copy them to some local location you'll
> remember to delete, and as long as they're in a folder called laslib,
> you'll be able to point the compiler to the parent folder with:
>
> export laslib_CFLAGS=-I/path/to/folder # where folder contains laslib/*.hpp
> export laslib_LIBS=-L/path/to/object/files -llaslib
> ./configure
>
> I'm concerned that our .pc files for laslib are our own version and that
> there is no official version. I will get back to you on Tuesday with
> more details on that.
>
> Berin
>
> On 23/08/12 14:06, Mark Seibel wrote:
>> When I try to compile LAG, I have all components present except lidarquadtree.
>>
>> I'm trying to compile the lidarquadtree, and have encountered errors.
>>
>> configure error for LAG is:
>> Package requirements (lidarquadtree >=1.2 were not met:  no package
>> lidarquadtree found.
>>
>> So I went to the lidarquadtree directory in the lidarsf-lag-53d94dd
>> directory and did ./configure and make.
>>
>> Make returned this error:
>> In file included from src/LidarPoint.cpp:34:0:
>> src/LidarPoint.h:38:37: fatal error: laslib/lasdefinitions.hpp: No
>> such file or directory
>> compilation terminated.
>>
>> I have the lasdefinitions.hpp file in the laslib directory, but it is
>> in ../lastools/laslib/inc/lasdefinitions.hpp
>>
>> How do I make configure aware of this file's location?  I know I'm
>> missing something obvious, but I just cant see it.
>>
>> Thanks,
>> Mark
>>
>> On Thu, Aug 23, 2012 at 6:18 AM, Berin Smaldon <besm at pml.ac.uk> wrote:
>>> As I gather, open source LAS viewers have been in short supply for some
>>> time now, and having been talked about for over a year, we're finally
>>> getting around to announcing a GPL licensed LAS viewer that Mike Grant
>>> has been promising since the dawn of time. For now, this only works on Linux, but
>>> I'm already working on the Windows port, the purpose here being to get
>>> people using the software to attract bug reports, ideas and development.
>>> So, feel free to try and get it working, I'll be interested to know how
>>> it co-operates with other systems.
>>>
>>> Here is the splash page: http://arsf.github.com/lag/
>>>
>>> The link explains what to do to build it for your Linux system if you're so inclined, the Windows port is a bit of a way off yet though, but in the pipeline. If it were useful to enough people, I could potentially be persuaded to work out how to build packages for some Linux package managers too.
>>>
>>> I acknowledge that the quality of the source code is poor in places.
>>> There have been a number of student programmers before me having pretty
>>> much free rein over how the program is structured and what conventions
>>> are used. Documentation and improving the quality of the code is high on
>>> my priority list, but not on the top of it. For now, my e-mail address
>>> and the github page are the best sources of information, and will help
>>> me work out how the github wiki pages could be more useful. In a few months when I'm no longer on the project, whatever e-mail address is on the splash screen or latest version of the software will have to do instead.
>>>
>>> Enjoy,
>>> Berin
>>>
>>>
>>> <br />
>>> <hr />
>>> <p><font face="Arial" size="1">
>>> Plymouth Marine Laboratory<br />
>>> Registered Office: <br />
>>> Prospect Place<br />
>>> The Hoe<br />
>>> Plymouth  PL1 3DH
>>> </font></p>
>>>
>>> <p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
>>> <br />
>>> <a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
>>> <br />
>>> Registered Charity No. 1091222<br />
>>> PML is a company limited by guarantee<br />
>>> registered in England & Wales<br />
>>> company number 4178503</font></p>
>>>
>>> <p><font face="Arial" size="1" color="green">Please think before you print.</font></p>
>>>
>>> <hr />
>>>
>>> <p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>
>>>
>>> <p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>
>>>
>>> <p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>
>>>
>>> <p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>
>>>
>>> <hr />
>>> <br />
>>> <br />
>>>
>>> _______________________________________________
>>> Liblas-devel mailing list
>>> Liblas-devel at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/liblas-devel
>
>
> <br />
> <hr />
> <p><font face="Arial" size="1">
> Plymouth Marine Laboratory<br />
> Registered Office: <br />
> Prospect Place<br />
> The Hoe<br />
> Plymouth  PL1 3DH
> </font></p>
>
> <p><font face="Arial" size="1">Website: <a href="http://www.pml.ac.uk">www.pml.ac.uk</a>
> <br />
> <a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf">Click here for the latest PML Annual Review</a>
> <br />
> Registered Charity No. 1091222<br />
> PML is a company limited by guarantee<br />
> registered in England & Wales<br />
> company number 4178503</font></p>
>
> <p><font face="Arial" size="1" color="green">Please think before you print.</font></p>
>
> <hr />
>
> <p><font face="Arial" size="1">This e-mail, its content and any file attachments are confidential.</font></p>
>
> <p><font face="Arial" size="1">If you have received this e-mail in error please do not copy, disclose it to any third party or use the contents or attachments in any way. Please notify the sender by replying to this e-mail or e-mail forinfo at pml.ac.uk and then delete the email without making any copies or using it in any other way.</font></p>
>
> <p><font face="Arial" size="1">The content of this message may contain personal views which are not the views of Plymouth Marine Laboratory unless specifically stated.</font></p>
>
> <p><font face="Arial" size="1">You are reminded that e-mail communications are not secure and may contain viruses. Plymouth Marine Laboratory accepts no liability for any loss or damage which may be caused by viruses.</font></p>
>
> <hr />
> <br />
> <br />
>

From mateusz at loskot.net  Thu Aug 23 07:57:52 2012
From: mateusz at loskot.net (Mateusz Loskot)
Date: Thu, 23 Aug 2012 15:57:52 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <F0EFB9F8-CB26-4C55-B039-0C4BCEEAA9ED@gmail.com>
References: <50360361.8000608@pml.ac.uk>
	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
	<CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>
	<50363692.9020905@pml.ac.uk>
	<CABSWR-GQ7=wm64RLt08W8Z+yxaLgagU_R_PPGcQirVs9z=0K2A@mail.gmail.com>
	<50363D74.1090805@pml.ac.uk>
	<F0EFB9F8-CB26-4C55-B039-0C4BCEEAA9ED@gmail.com>
Message-ID: <CABUeae8uOYn7O0AYEo7HAzKo2=VkdAg8Ykf5jn_k=JwHskoN6A@mail.gmail.com>

On 23 August 2012 15:54, Howard Butler <hobu.inc at gmail.com> wrote:
> Martin,
>
> When can we convince you that proper source code tracking and versioned
> releases are prerequisite for people to build upon your software?

(off-topic)

Next time I'll be driving to Poland, I may stop by Martin's place in Austria
and explain it to Martin over a coffee.
Martin, any climbing sites near you? :D

Cheers,
-- 
Mateusz Loskot, http://mateusz.loskot.net

From martin.isenburg at gmail.com  Thu Aug 23 08:12:00 2012
From: martin.isenburg at gmail.com (Martin Isenburg)
Date: Thu, 23 Aug 2012 08:12:00 -0700
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CABUeae8uOYn7O0AYEo7HAzKo2=VkdAg8Ykf5jn_k=JwHskoN6A@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>
	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>
	<CABSWR-GUV6L0AncqzEC8m2hd_muFMhSMxSBxHq2Awz7GyVsEtg@mail.gmail.com>
	<50363692.9020905@pml.ac.uk>
	<CABSWR-GQ7=wm64RLt08W8Z+yxaLgagU_R_PPGcQirVs9z=0K2A@mail.gmail.com>
	<50363D74.1090805@pml.ac.uk>
	<F0EFB9F8-CB26-4C55-B039-0C4BCEEAA9ED@gmail.com>
	<CABUeae8uOYn7O0AYEo7HAzKo2=VkdAg8Ykf5jn_k=JwHskoN6A@mail.gmail.com>
Message-ID: <CABSWR-EP-5Wgz80U26K56OtrWdtjiuOmzGNtJC+_eP=CpmoOTQ@mail.gmail.com>

Hobu / Mateusz,

I hear you and I know that it appears as if I have become a lazy bum. But i
have 0 spare cycles left now that i try to get rapidlasso up and running. I
explained it to Volker Wichmann when me met in Salzburg. I am not really a
software developer and so far LAStools has been a one-man gig.  I do not
have time for anything that adds overhead to my usual way of doing things.
Keeping LASzip properly updated on github is bad enough ... |-;

That said. I will soon familiarize myself with "your" way of doing things
when I release the first version of PulseWaves so things are bound to get
better ... (-:

Cheers,

Martin

PS: I am in Frankonia (near Wuerzburg, Germany) at the moment. But I always
have time for coffee. (-:

On Thu, Aug 23, 2012 at 7:57 AM, Mateusz Loskot <mateusz at loskot.net> wrote:

> On 23 August 2012 15:54, Howard Butler <hobu.inc at gmail.com> wrote:
> > Martin,
> >
> > When can we convince you that proper source code tracking and versioned
> > releases are prerequisite for people to build upon your software?
>
> (off-topic)
>
> Next time I'll be driving to Poland, I may stop by Martin's place in
> Austria
> and explain it to Martin over a coffee.
> Martin, any climbing sites near you? :D
>
> Cheers,
> --
> Mateusz Loskot, http://mateusz.loskot.net
> _______________________________________________
> Liblas-devel mailing list
> Liblas-devel at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/liblas-devel
>
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From besm at pml.ac.uk  Thu Aug 23 08:22:28 2012
From: besm at pml.ac.uk (Berin Smaldon)
Date: Thu, 23 Aug 2012 16:22:28 +0100
Subject: [Liblas-devel] ARSF LiDAR Analysis GUI
In-Reply-To: <CADHQGE3M_UJjBYt=BYjdbJS6EzPAs1egazP7BD_uEEeHF4EOpQ@mail.gmail.com>
References: <50360361.8000608@pml.ac.uk>	<CADHQGE1x7P0sEX5aZgFe-jnYb8hEy8pG2OKa9O0i-eEyNo6iCw@mail.gmail.com>	<5036351A.6040402@pml.ac.uk>
	<CADHQGE3M_UJjBYt=BYjdbJS6EzPAs1egazP7BD_uEEeHF4EOpQ@mail.gmail.com>
Message-ID: <50364AB4.1000206@pml.ac.uk>

Hi again,

Jemalloc is a dependency that I may have forgotten to list. Your package
manager ought to be able to provide it if you are using any mainstream
Linux flavour.

I was worried about that. I have just had a discussion with somebody who
knows about our internal installation of laslib and now understand
better what is going on here. Until I have a workaround, you may be able
to configure lidarquadtree and lag in the following way (for both LAG
and lidarquadtree):

export laslib_LIBS=-L/path/to/lastools/laslib/lib -llaslib
./configure

These problems have brought an important issue to light, so thankyou for
the quick responses.

Berin
> I copied the .hpp files into /usr/local/include/laslib and the
> compilation went further.  Any suggestions?
>
> Now I end up with errors:
>
> /usr/bin/ld: cannot find -llaslib
> /usr/bin/ld: cannot find -ljemalloc
> collect2: ld returned 1 exit status
> make[1]: *** [liblidarquadtree.la] Error 1
>
>
> Mark
>
> On Thu, Aug 23, 2012 at 9:50 AM, Berin Smaldon <besm at pml.ac.uk> wrote:

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From pwtittmann at ucdavis.edu  Tue Aug 28 17:18:18 2012
From: pwtittmann at ucdavis.edu (Peter Tittmann)
Date: Tue, 28 Aug 2012 17:18:18 -0700
Subject: [Liblas-devel] piping lasmerge to las2las
Message-ID: <E812AF2DD56D459AB3F2AA317E3CB1F9@ucdavis.edu>

Hi Liblas-ers, 

I have several .las tiles which, depending upon the analysis region of interest (i.e on the boundary between two tiles) may need to be merged and then clipped. Ideally, id like to pipe the output of lasmerge to las2las with the --extent flag. An example from the lasmerge --help indicates stout as an option. However it seems to just create a file called 'stdout':

lasmerge -i ~/Data/Lidar201104/LAS/ALL_POINTS/PC_025.las -i ~/Data/Lidar201104/LAS/ALL_POINTS/PC_026.las --stdout 

adds a file called 'stout' to the working directory

Further, las2las doesn't seem to recognized the --stdin flag, so I'm worried that this is not an option. 

lasmerge -i ~/Data/Lidar201104/LAS/ALL_POINTS/PC_025.las -i ~/Data/Lidar201104/LAS/ALL_POINTS/PC_026.las --stdout | las2las --stdin -e 471400.920313 5014482.90021 471436.91534 5014518.90834 -o ../plot_las/110102.las

-- 
Peter Tittmann, Ph.D.
Postdoctoral researcher
Energy Institute
Institute for Transportation Studies
UC Davis

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