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An OpenGL point cloud viewer for R able to handle several millions of points
This is on Windows 10 x64 architecture.
Installed SDL using script (source("https://raw.githubusercontent.com/Jean-Romain/lidRviewer/master/sdl.R")) as admin
Installed lidRviewer devtools::install_github("Jean-Romain/lidRviewer").
plot(las) with rgl works (barely).
plot(las, backend = "lidRviewer")
Error in match.arg(backend) : 'arg' should be one of “rgl”
I installed lidR from the standard CRAN repository. With "lidRviewer" failing in the argument check for the backend parameter, maybe a different lidR install is needed?
source("https://raw.githubusercontent.com/Jean-Romain/lidRviewer/master/sdl.R")
Downloading and installing SDL headers...
I successfully installed on macOS. But the package still doesn't work.
First I installed the dependencies:
brew install sdl
brew install freeglut
I changed some of the source files like so:
#if defined(__APPLE__)
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#else
#include <GL/gl.h>
#include <GL/glu.h>
#endif
Then I deleted src/Makevars
. Next, I created a configure
file in the root folder:
#!/bin/bash
if [ $(uname) == "Linux" ]
then
echo 'PKG_LIBS= -lGL -lGLU -lSDL -LSDmain' > ./src/Makevars
elif [ $(uname) == "Darwin" ]
then
echo 'PKG_LIBS= -framework OpenGL -lSDL' > ./src/Makevars
fi
Now I can successfully install PointCloudViewer with:
R -e 'devtools::install(".")'
Finally, I tried an example to see if it worked:
#!/usr/bin/env Rscript
library(PointCloudViewer)
x <- runif(1000, 0, 100)
y <- runif(1000, 0, 100)
z <- runif(1000, 0, 100)
col <- rainbow(10)
id <- sample(1:10, length(x), replace = TRUE)
plot_xyzcol(x, y, z, col, id)
I can see the message Point cloud viewer must be closed before to run other R code
, but I don't see any viewer.
Do you know what I might be missing?
Hi JR,
I'm playing a bit with the 1.4.1 on a old dual core ( 64bit, 4gb RAM) with Ubuntu.
I tried to simply load and display the pointcloud (appr. 500Mb, 7.5M points) but RStudio opens it with rgl
by default and not with this viewer.
I installed the necessary libs as described in the initial page and no error is reported. Any idea where to look for the issue? I'm definitely not experienced with ubuntu.
When I go to install libsdl-dev I get the error
Package libsdl-dev
is a virtual package provided by:
libsdl1.2-dev 1.2.15+dfsg2-6
libsdl1.2-compat-dev 1.2.52-3
You should explicitly select one to install.
E: Package 'libsdl-dev' has no installation candidate
apt-get install libsdl2-2.0-0
appears to install fine, but when I execute, the following happens. Any ideas? thanks!
devtools::install_github("Jean-Romain/lidRviewer")
Downloading GitHub repo Jean-Romain/lidRviewer@HEAD
Skipping 1 packages ahead of CRAN: Rcpp
── R CMD build ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
✔ checking for file ‘/tmp/RtmpantFq7/remotes22f58e3c5925be/Jean-Romain-lidRviewer-815fc53/DESCRIPTION’ (641ms)
─ preparing ‘lidRviewer’:
✔ checking DESCRIPTION meta-information
─ cleaning src
─ checking for LF line-endings in source and make files and shell scripts
─ checking for empty or unneeded directories
Omitted ‘LazyData’ from DESCRIPTION
─ building ‘lidRviewer_0.2.0.tar.gz’
Warning: invalid uid value replaced by that for user 'nobody'
Installing package into ‘/home/9nf/R/x86_64-pc-linux-gnu-library/4.2’
(as ‘lib’ is unspecified)
* installing *source* package ‘lidRviewer’ ...
** using staged installation
** libs
g++ -std=gnu++14 -I"/usr/share/R/include" -DNDEBUG -I'/home/9nf/R/x86_64-pc-linux-gnu-library/4.2/Rcpp/include' -fpic -g -O2 -ffile-prefix-map=/build/r-base-LhKvHL/r-base-4.2.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c RcppExports.cpp -o RcppExports.o
g++ -std=gnu++14 -I"/usr/share/R/include" -DNDEBUG -I'/home/9nf/R/x86_64-pc-linux-gnu-library/4.2/Rcpp/include' -fpic -g -O2 -ffile-prefix-map=/build/r-base-LhKvHL/r-base-4.2.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -c camera.cpp -o camera.o
In file included from camera.cpp:1:
camera.h:4:10: fatal error: SDL/SDL.h: No such file or directory
4 | #include <SDL/SDL.h>
| ^~~~~~~~~~~
compilation terminated.
make: *** [/usr/lib/R/etc/Makeconf:178: camera.o] Error 1
ERROR: compilation failed for package ‘lidRviewer’
* removing ‘/home/9nf/R/x86_64-pc-linux-gnu-library/4.2/lidRviewer’
Warning message:
In i.p(...) :
installation of package ‘/tmp/RtmpantFq7/file22f58e57e6adb5/lidRviewer_0.2.0.tar.gz’ had non-zero exit status
Running RStudio-server on ubuntu22.04
Hello, will this be made compatible with R version 4.2.2? currently says it is "not available with this version of R"
Hi,
I would love to use lidRviewer, but unfortunately I dont have admin rights on my maschine.
Is there any way to use it without admin rights?
Or are you aware of any possible alternatives? (E.g. stream it to QGIS pointcloud viewer)
Attempting to install the package. Apparently, a file is missing. See error:
In file included from camera.cpp:1:
./camera.h:4:10: fatal error: 'SDL/SDL.h' file not found
#include <SDL/SDL.h>
^~~~~~~~~~~
1 error generated.
make: *** [camera.o] Error 1
ERROR: compilation failed for package ‘lidRviewer’
Hello,
I am trying to render a LAS file using R studio (server). When I just try to plot following the command you provide I get a sort of error message and my R session hangs.
In your documentation I see that you say that the R viewer should be stopped...not sure how this can be done in R studio actually.
asUtr<-readLAS("/data2/utrechtCenter.las")
plot(lasUtr,backend="pcv")
#> Point cloud viewer must be closed before to run other R code
#> No protocol specified
#> No protocol specified
#> No protocol specified
#> No protocol specified
Thanks for help in advance.
Hi there, I tried to install lidRviewer on my system:
platform x86_64-apple-darwin17.0
arch x86_64
os darwin17.0
system x86_64, darwin17.0
status
major 4
minor 0.5
year 2021
month 03
day 31
svn rev 80133
language R
version.string R version 4.0.5 (2021-03-31)
nickname Shake and Throw
I got the following error. Is there a known work-around?
> devtools::install_github("Jean-Romain/lidRviewer")
Downloading GitHub repo Jean-Romain/lidRviewer@HEAD
✓ checking for file ‘/private/var/folders/dl/t0tty2rx6n3ft5qmnht_v8rnpg83bb/T/RtmpwS9MDT/remotese1fa29c262ab/Jean-Romain-lidRviewer-01bcf48/DESCRIPTION’ ...
─ preparing ‘lidRviewer’:
✓ checking DESCRIPTION meta-information ...
─ cleaning src
─ checking for LF line-endings in source and make files and shell scripts
─ checking for empty or unneeded directories
─ building ‘lidRviewer_0.2.0.tar.gz’
Warning: invalid uid value replaced by that for user 'nobody'
Warning: invalid gid value replaced by that for user 'nobody'
* installing *source* package ‘lidRviewer’ ...
** using staged installation
** libs
clang++ -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG -I'/Library/Frameworks/R.framework/Versions/4.0/Resources/library/Rcpp/include' -I/usr/local/include -fPIC -Wall -g -O2 -c RcppExports.cpp -o RcppExports.o
In file included from RcppExports.cpp:4:
In file included from /Library/Frameworks/R.framework/Versions/4.0/Resources/library/Rcpp/include/Rcpp.h:57:
/Library/Frameworks/R.framework/Versions/4.0/Resources/library/Rcpp/include/Rcpp/DataFrame.h:136:18: warning: unused variable 'data' [-Wunused-variable]
SEXP data = Parent::get__();
^
1 warning generated.
clang++ -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG -I'/Library/Frameworks/R.framework/Versions/4.0/Resources/library/Rcpp/include' -I/usr/local/include -fPIC -Wall -g -O2 -c camera.cpp -o camera.o
In file included from camera.cpp:1:
./camera.h:4:10: fatal error: 'SDL/SDL.h' file not found
#include <SDL/SDL.h>
^~~~~~~~~~~
1 error generated.
make: *** [camera.o] Error 1
ERROR: compilation failed for package ‘lidRviewer’
* removing ‘/Library/Frameworks/R.framework/Versions/4.0/Resources/library/lidRviewer’
Warning message:
In i.p(...) :
installation of package ‘/var/folders/dl/t0tty2rx6n3ft5qmnht_v8rnpg83bb/T//RtmpwS9MDT/filee1faac9d188/lidRviewer_0.2.0.tar.gz’ had non-zero exit status
Hi,
great work. It is indeed very performing. I am just struggling to use the id option. Your example perfectly works. I am now trying to apply it to a LiDAR point cloud and would like to colourize the Z values with height colours. But somehow it is not clear to me how to use the "id" option in this case, except generating random colours. Also the regular specifications of color palettes does not work as used in rgl.
Could put an example for a LiDAR data set and rainbow(50) or height.colours(50) ?
Thanks, a lot.
Hi!
I'm running into the following error when attempting install:
devtools::install_github("Jean-Romain/PointCloudViewer")
Downloading GitHub repo Jean-Romain/PointCloudViewer@master
✔ checking for file ‘/tmp/Rtmp8mfSL5/remotes67d83df20d72/Jean-Romain-PointCloudViewer-6101481/DESCRIPTION’ ...
─ preparing ‘PointCloudViewer’:
✔ checking DESCRIPTION meta-information
─ cleaning src
─ checking for LF line-endings in source and make files and shell scripts
─ checking for empty or unneeded directories
─ building ‘PointCloudViewer_0.2.0.tar.gz’
* installing *source* package ‘PointCloudViewer’ ...
** using staged installation
** libs
x86_64-conda_cos6-linux-gnu-c++ -std=gnu++11 -I"/home/guslun/anaconda3/envs/renv/lib/R/include" -DNDEBUG -I"/home/guslun/anaconda3/envs/renv/lib/R/library/Rcpp/include" -DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -I/home/guslun/anaconda3/envs/renv/include -Wl,-rpath-link,/home/guslun/anaconda3/envs/renv/lib -fpic -fvisibility-inlines-hidden -fmessage-length=0 -march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -I/home/guslun/anaconda3/envs/renv/include -fdebug-prefix-map=/home/conda/feedstock_root/build_artifacts/r-base_1562872960081/work=/usr/local/src/conda/r-base-3.6.1 -fdebug-prefix-map=/home/guslun/anaconda3/envs/renv=/usr/local/src/conda-prefix -c RcppExports.cpp -o RcppExports.o
x86_64-conda_cos6-linux-gnu-c++ -std=gnu++11 -I"/home/guslun/anaconda3/envs/renv/lib/R/include" -DNDEBUG -I"/home/guslun/anaconda3/envs/renv/lib/R/library/Rcpp/include" -DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -I/home/guslun/anaconda3/envs/renv/include -Wl,-rpath-link,/home/guslun/anaconda3/envs/renv/lib -fpic -fvisibility-inlines-hidden -fmessage-length=0 -march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -I/home/guslun/anaconda3/envs/renv/include -fdebug-prefix-map=/home/conda/feedstock_root/build_artifacts/r-base_1562872960081/work=/usr/local/src/conda/r-base-3.6.1 -fdebug-prefix-map=/home/guslun/anaconda3/envs/renv=/usr/local/src/conda-prefix -c camera.cpp -o camera.o
In file included from camera.cpp:1:0:
camera.h:4:10: fatal error: SDL/SDL.h: No such file or directory
#include <SDL/SDL.h>
^~~~~~~~~~~
compilation terminated.
make: *** [/home/guslun/anaconda3/envs/renv/lib/R/etc/Makeconf:175: camera.o] Error 1
ERROR: compilation failed for package ‘PointCloudViewer’
* removing ‘/home/guslun/anaconda3/envs/renv/lib/R/library/PointCloudViewer’
Error: Failed to install 'PointCloudViewer' from GitHub:
(converted from warning) installation of package ‘/tmp/Rtmp8mfSL5/file67d87b71489e/PointCloudViewer_0.2.0.tar.gz’ had non-zero exit status
Both prereq libraries have been installed however, albeit with a warning for SDL that a newer verion is used as far as I understand the issue.
(renv) guslun@K2006559:~$ sudo apt-get install libsdl-dev freeglut3-dev
[sudo] password for guslun:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'libsdl1.2-dev' instead of 'libsdl-dev'
freeglut3-dev is already the newest version (2.8.1-3).
libsdl1.2-dev is already the newest version (1.2.15+dfsg2-0.1ubuntu0.1).
0 upgraded, 0 newly installed, 0 to remove and 6 not upgraded.
(renv) guslun@K2006559:~$ locate SDL.h
/usr/include/SDL/SDL.h
Is there a way of getting the installation to find SDL.h so I can use the package properly?
Fedora has moved to SDL2, and the current version of sdl.h is in /usr/include/SDL2 instead of /usr/include/SDL
(SDL2-devel.x86_64 2.26.2-1.fc36)
A symbolic link fixed that, but unfortunately SDL_BUTTON_WHEELUP and SDL_BUTTON_WHEELDOWN are not part of the current includes. I imagine there's a new specification, but I'm not familiar with SDL.
camera.cpp: In member function ‘void Camera::OnMouseButton(const SDL_MouseButtonEvent&)’:
camera.cpp:162:29: error: ‘SDL_BUTTON_WHEELUP’ was not declared in this scope; did you mean ‘SDL_BUTTON_MIDDLE’?
162 | else if ((event.button == SDL_BUTTON_WHEELUP) && (event.type == SDL_MOUSEBUTTONDOWN))
| ^~~~~~~~~~~~~~~~~~
| SDL_BUTTON_MIDDLE
camera.cpp:169:29: error: ‘SDL_BUTTON_WHEELDOWN’ was not declared in this scope
169 | else if ((event.button == SDL_BUTTON_WHEELDOWN) && (event.type == SDL_MOUSEBUTTONDOWN))
| ^~~~~~~~~~~~~~~~~~~~
make: *** [/usr/lib64/R/etc/Makeconf:177: camera.o] Error 1
ERROR: compilation failed for package ‘lidRviewer’
Dear Jean-Romain,
I've been using your R packages quite heavily lately, but now I'm running into issues I cannot quite fix. Thanks to your lidR
plug-ins I've calculated voxels that represent LAD. Plotting these voxels with a correct color scheme did not work for me with the basic rgl
viewer, that is why I tried the pcv
instead. All the voxels appear with the same color (as can be seen in the picture below), while the LAD values should tell otherwise. FYI: for testing I took your Megaplot.laz, I'm using Windows 10 and there are 249690 voxels in the dataframe.
The calculation of the LAD voxels:
library(lidR)
library(lidRplugins)
library(PointCloudViewer)
LASfile <- system.file("extdata", "Megaplot.laz", package="lidR")
las = readLAS(LASfile)
voxelsLAD = grid_metrics3d(las, ~LAD(z=las@data$Z, dz = 1, k= 0.5, z0= 1), 5)
plot(voxelsLAD, color = "lad", colorPalette = heat.colors(5), bg = "black", legend = TRUE)
The plotting done with rgl:
plot(voxelsLAD, color = "lad", colorPalette = heat.colors(5), bg = "black", legend = TRUE)
The plotting done with pcv:
plot_xyzcol(voxelsLAD$X, voxelsLAD$Y, voxelsLAD$Z, col = heat.colors(10), id = cut(voxelsLAD$lad, 10, label = FALSE))
The cut(voxelsLAD$lad, 10, label = FALSE)
results in a large integer looking like so: [1] 5 5 7 9 10 10 9 9 8 8 8 8 8 8 8 8 8 8 7 7 5 4 3 2 1 1 1 1 1 5 5 7 9 10 ...
The issue is that the colorramp
is not applying itself to the LAD values. Any idea what is going wrong here? Thanks!
Hello,
plot(las1, color="RGB", backend = "lidRviewer")
return the following stacktrace :
Erreur dans lidRviewer::plot_xyzrgb(x@data$X, x@data$Y, x@data$Z, x@data$R, :
'id' must contain integers
9. stop("'id' must contain integers")
8. lidRviewer::plot_xyzrgb(x@data$X, x@data$Y, x@data$Z, x@data$R,
x@data$G, x@data$B, args$size) à <text>#1
7. eval(parse(text = "lidRviewer::plot_xyzrgb(x@data$X, x@data$Y, x@data$Z, x@data$R, x@data$G, x@data$B, args$size)"))
6. eval(parse(text = "lidRviewer::plot_xyzrgb(x@data$X, x@data$Y, x@data$Z, x@data$R, x@data$G, x@data$B, args$size)"))
5. lasplot(x, bg, idcolor, pal, clear_artifacts, axis, legend, args,
add, voxel, breaks)
4. plot.LAS(x, y, ..., color = color, pal = pal, bg = bg, breaks = breaks,
nbreaks = nbreaks, backend = backend, clear_artifacts = clear_artifacts,
axis = axis, legend = legend, add = add, voxel = voxel, NAcol = NAcol,
mapview = mapview)
3. .local(x, y = y, ...)
2. plot(las1, color = "RGB", backend = "lidRviewer")
1. plot(las1, color = "RGB", backend = "lidRviewer")
It works with backend="rgl"
or with color="Classification"
, color="Intensity"
, etc. Only the combo color="RGB", backend = "lidRviewer"
return the error.
Hi Jean,
It says the following warning. Warning in install.packages : package ‘PointCloudViewer’ is not available (for R version 3.6.3).
I exactly followed the steps advised in this link. Then it showed another issue after following the 2nd step for windows installation which is:
source("https://raw.githubusercontent.com/Jean-Romain/PointCloudViewer/master/sdl.R")
#> Downloading and installing SDL headers...
#> - SDL headers downloaded
#> - SDL headers uncompressed
#> Error in file.copy(includes, inc, recursive = TRUE) : more 'from' files than 'to' files
#> In addition: Warning message:
#> In dir.create(inc) : cannot create dir 'C:\PROGRA~1\R\R-36~1.3\include\SDL', reason 'Permission denied'
#> Called from: file.copy(includes, inc, recursive = TRUE)
Please let me know what could be the solution for installing this package.
Thanks and Regards,
Yogendra
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