Hi Narsimha, The error message you are getting ‘Error: prefix already exists: /Users/Study/miniconda3/envs/spdlib_v3_2’ means the conda environment already exists so it won’t create a new environment with the same name. You are then just trying to install spd3dpointsviewer in the existing environment, which is causing problems.
If you run: conda create -n spdlib_v3_2_new -c osgeo spd3dpointsviewer (or any other name you like as long as it doesn’t already exist, the -n flag specifies the name). This should install OK. However, I’ve just tested on my mac and get an error when I try to open SPDPointsViewer so you might run into problems. I’ll try and look at over the weekend but you might have more luck with the Linux build, I’ve just tested and this works fine for me. Also in relation to your previous point: >> I'm very poor in programming and to be honest just building my skills with >> the spdlib user guide. I would really recommend you try and learn at least some basic UNIX as it will really help with using SPDLib. Most our responses on the mailing list will assume some experience. The following looks like a good starting point: http://swcarpentry.github.io/shell-novice/. Thanks, Dan > On 2 Aug 2016, at 10:29, Narsimha Garlapati <narsimha.garlap...@anu.edu.au> > wrote: > > Hi Dan, > > I’m trying to install the spdviewer in Mac and experiencing the following > errors. > My commands are in red, Am I executing the code correctly? > Please help me to get it installed properly. > > > Narsimhass-iMac:spdlib_v3_2 Study$ conda create -n spdlib_v3_2 -c osgeo > spd3dpointsviewer > Error: prefix already exists: /Users/Study/miniconda3/envs/spdlib_v3_2 > Narsimhass-iMac:spdlib_v3_2 Study$ > > > > Narsimhass-iMac:spdlib_v3_2 Study$ conda create -n spdlib_v3_2 -c osgeo > spd3dpointsviewer > Error: prefix already exists: /Users/Study/miniconda3/envs/spdlib_v3_2 > Narsimhass-iMac:spdlib_v3_2 Study$ conda install -c osgeo > spd3dpointsviewer=2.2.1 > Fetching package metadata ......... > Solving package specifications: .... > > The following specifications were found to be in conflict: > - python 3.5* > - spd3dpointsviewer 2.2.1* > Use "conda info <package>" to see the dependencies for each package. > Narsimhass-iMac:spdlib_v3_2 Study$ conda info > Current conda install: > > platform : osx-64 > conda version : 4.1.11 > conda-env version : 2.5.2 > conda-build version : not installed > python version : 3.5.2.final.0 > requests version : 2.10.0 > root environment : /Users/Study/miniconda3 (writable) > default environment : /Users/Study/miniconda3 > envs directories : /Users/Study/miniconda3/envs > package cache : /Users/Study/miniconda3/pkgs > channel URLs : https://repo.continuum.io/pkgs/free/osx-64/ > <https://repo.continuum.io/pkgs/free/osx-64/> > https://repo.continuum.io/pkgs/free/noarch/ > <https://repo.continuum.io/pkgs/free/noarch/> > https://repo.continuum.io/pkgs/pro/osx-64/ > <https://repo.continuum.io/pkgs/pro/osx-64/> > https://repo.continuum.io/pkgs/pro/noarch/ > <https://repo.continuum.io/pkgs/pro/noarch/> > config file : None > offline mode : False > is foreign system : False > > Narsimhass-iMac:spdlib_v3_2 Study$ > > > Thanks, > Narsimha > > From: Daniel Clewley <daniel.clew...@gmail.com > <mailto:daniel.clew...@gmail.com>> > Date: Monday, 1 August 2016 at 10:56 PM > To: Narsimha Garlapati <narsimha.garlap...@anu.edu.au > <mailto:narsimha.garlap...@anu.edu.au>> > Subject: Re: [spdlib-develop] spdtranslate error > > Hi Narsimha, > > The simplest solution is to install to a separate conda environment and > switch between them use something like: > > > conda create -n spdlib_v3_2 -c osgeo spd3dpointsviewer > > > This should work under Linux or Mac. The conda documentation has more info on > using environments. > > > In future can you make sure you reply to all so the list is also involved in > discussions. > > > Thanks, > > > Dan > > > On 1 Aug 2016, at 13:05, Narsimha Garlapati <narsimha.garlap...@anu.edu.au > <mailto:narsimha.garlap...@anu.edu.au>> wrote: > > Hello Dan, > Is there any standalone version available just to view the points ? Either in > UNIX or Mac versions? > I'm very poor in programming and to be honest just building my skills with > the spdlib user guide. > I would like to view the Spd files and start further processing. > Sorry for asking many favours and thanks for understanding the panicky > student tales 😀 > Please let me know the simplest solution for now. > > Regards, > N > > Sent from Narsimha's iPhone ! > > On 1 Aug 2016, at 5:04 PM, Daniel Clewley <daniel.clew...@gmail.com > <mailto:daniel.clew...@gmail.com>> wrote: > > Hi Narsimha, > > I haven’t rebuilt the points viewer for conda yet - the recipe is available > from: > https://bitbucket.org/danclewley/conda-recipes/src/bfc2905875b05f5aa7757b311c4241c207973d90/?at=conda-forge > > <https://bitbucket.org/danclewley/conda-recipes/src/bfc2905875b05f5aa7757b311c4241c207973d90/?at=conda-forge> > if you want to try modifying this and building yourself. I was having some > problems with Qt, I’ll probably have another look at next weekend. Another > option is to install the old version in a different conda environment and > switch to this for viewing data. > > SPD files are compressed but contain a lot more information than LAS files. > If the HDF5 compression is working correctly I don’t think there is an easy > way to make them smaller. > > For the bin size I would normally choose based on the point density. > > Thanks, > > Dan > > On 1 Aug 2016, at 05:36, Narsimha Garlapati <narsimha.garlap...@anu.edu.au > <mailto:narsimha.garlap...@anu.edu.au>> wrote: > > Hi Dan, > I was trying to install the spd3dpoints viewer in HPC environment and below > are the errors. > It is observed that it’s downgrading the whole spdlib latest version?? > I would like to view my test data in the viewer, any advice on this please? > > For my sample conversion I was trying to explore the file sizes by defining > different bin parameters. > Do you think that the final output sizes are reasonable? Is there any way to > further compress the file sizes? What would be the ideal bin size could be? > > For binsize 10: > LAS file size:391.1MB > SPD file size:380.2MB > > For binsize1: > LAS file size:443.2MB > SPD file size:386.2MB > > > Thanks, > Narsimha > > (spdlib_v3_3) [nxg650@vdi-n16 ~]$ conda install -c osgeo > spd3dpointsviewer=2.2.1 > Fetching package metadata ......... > Solving package specifications: .......... > > Package plan for installation in environment > /g/data/xc0/user/Garlapati/miniconda3/envs/spdlib_v3_3: > > The following packages will be downloaded: > > package | build > ---------------------------|----------------- > laszip-2.2.0 | 0 72 KB osgeo > libffi-3.2.1 | 0 36 KB > liblas-1.7.0 | 6 1.1 MB osgeo > pixman-0.32.6 | 0 2.4 MB > proj4-4.9.1 | 0 517 KB > glib-2.43.0 | 1 5.4 MB > freetype-2.5.5 | 1 2.5 MB > fontconfig-2.11.1 | 6 405 KB > harfbuzz-0.9.39 | 1 1.1 MB > kealib-1.4.5 | 8 227 KB osgeo > pango-1.39.0 | 1 668 KB > spd3dpointsviewer-2.2.1 | 6 1.9 MB osgeo > ------------------------------------------------------------ > Total: 16.3 MB > > The following NEW packages will be INSTALLED: > > armadillo: 5.200.2-1 osgeo > cairo: 1.12.18-6 > fontconfig: 2.11.1-6 > freetype: 2.5.5-1 > glib: 2.43.0-1 > harfbuzz: 0.9.39-1 > laszip: 2.2.0-0 osgeo > libffi: 3.2.1-0 > liblas: 1.7.0-6 osgeo > pango: 1.39.0-1 > pixman: 0.32.6-0 > proj4: 4.9.1-0 > qt: 4.8.7-4 > spd3dpointsviewer: 2.2.1-6 osgeo > > The following packages will be SUPERCEDED by a higher-priority channel: > > gdal: 2.1.0-np111py35_6 conda-forge --> 1.11.2-py35_18 osgeo > hdf5: 1.8.17-2 conda-forge --> 1.8.15.1-14 osgeo > kealib: 1.4.6-2 conda-forge --> 1.4.5-8 osgeo > libnetcdf: 4.4.0-2 conda-forge --> 4.3.3.1-11 osgeo > > The following packages will be DOWNGRADED due to dependency conflicts: > > spdlib: 3.3.0-0 osgeo --> 3.2.0-py35_8 osgeo > > Proceed ([y]/n)? > > From: Daniel Clewley [mailto:daniel.clew...@gmail.com > <mailto:daniel.clew...@gmail.com>] > Sent: Friday, 29 July 2016 5:17 PM > To: Narsimha Garlapati <narsimha.garlap...@anu.edu.au > <mailto:narsimha.garlap...@anu.edu.au>> > Cc: spdlib-develop <spdlib-develop@lists.sourceforge.net > <mailto:spdlib-develop@lists.sourceforge.net>> > Subject: Re: [spdlib-develop] spdtranslate error > > Hi Narsimha, > > There will be a WKT (Well Known Text) string embedded in the LAS file, so you > can just view using lasinfo then copy and paste into a text file. The format > will be similar to this: http://spatialreference.org/ref/epsg/28355/ogcwkt/ > <http://spatialreference.org/ref/epsg/28355/ogcwkt/> (you could also just use > this file). > > This is just a workaround for a bug, I had only tested with LAS 1.3 files so > hadn’t tried with LAS files containing WKT strings. I’ll try and fix at some > point so it will read the WKT string from the LAS file. > > Thanks, > > Dan > > On 29 Jul 2016, at 08:09, Narsimha Garlapati <narsimha.garlap...@anu.edu.au > <mailto:narsimha.garlap...@anu.edu.au>> wrote: > > Hi Dan, > I have downloaded latest Miniconda and Python 3.5, it's in HPC environment. > I'm not really sure about .WKT file is? > My data is in GDA94 MGA Zone 55 . > Data provider didn't provide any seperate . WKT file. > Is there anyway that I can develop this? > > Cheers, > Narsimha > > Sent from Narsimha's iPhone ! > > On 29 Jul 2016, at 4:59 PM, Daniel Clewley <daniel.clew...@gmail.com > <mailto:daniel.clew...@gmail.com>> wrote: > > Hi Narsimha, > > This isn’t the latest version, the latest version is 3.3. Are you using > Python 3.5? > > Try creating a new environment and forcing the version using: > > conda create -n spdlib_v3_3 -c osgeo -c rios -c conda-forge spdlib=3.3.0 > > You will also need to pass in the projection as a WKT file using --input_proj > as it is currently segfaulting when trying to read the projection from a LAS > 1.4 file. > > As I said earlier this has only recently been added and not widely tested so > expect a couple of problems. > > Thanks, > > Dan > > On 29 Jul 2016, at 06:14, Narsimha Garlapati <narsimha.garlap...@anu.edu.au > <mailto:narsimha.garlap...@anu.edu.au>> wrote: > > Hi, > > I’m trying to convert LAS1.4 by using the latest version in Linux, but got an > error as below. > Can you please help me out in this regard. > > With thanks, > Narsimha > > [nxg650@vdi-n15 ~]$ spdtranslate --if LAS --of SPD -b 10 -x LAST_RETURN -i > /g/data1/xc0/user/Garlapati/Orthometric/ACT2015-C3-ORT_6826096_55_0002_0002.LAS > -o /g/data1/xc0/user/Garlapati/Orthometric/LiDAR6826096_10m.spd > > spdtranslate SPDLib 3.2.309, Copyright (C) 2014 Sorted Pulse Library (SPD) > This program comes with ABSOLUTELY NO WARRANTY. This is free software, > and you are welcome to redistribute it under certain conditions; See > website (http://www.spdlib.org <http://www.spdlib.org/>). Bugs are to be > reported on the trac > or directly to spdlib-develop@lists.sourceforge.net > <mailto:spdlib-develop@lists.sourceforge.net> > terminate called after throwing an instance of 'std::out_of_range' > what(): version minor out of range > Aborted > > ------------------------------------------------------------------------------ > _______________________________________________ > spdlib-develop mailing list > spdlib-develop@lists.sourceforge.net > <mailto:spdlib-develop@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/spdlib-develop > <https://lists.sourceforge.net/lists/listinfo/spdlib-develop> >
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