* using log directory ‘/data/blackswan/ripley/R/packages/tests-devel/viewshed3d.Rcheck’
* using R Under development (unstable) (2021-10-15 r81062)
* using platform: x86_64-pc-linux-gnu (64-bit)
* using session charset: UTF-8
* checking for file ‘viewshed3d/DESCRIPTION’ ... OK
* this is package ‘viewshed3d’ version ‘4.0.0’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘viewshed3d’ can be installed ... OK
* checking package directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking dependencies in R code ... NOTE
Namespaces in Imports field not imported from:
  ‘plotrix’ ‘sp’ ‘viridis’
  All declared Imports should be used.
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking examples ... [13s/13s] OK
* checking examples with --run-donttest ... [24s/23s] ERROR
Running examples in ‘viewshed3d-Ex.R’ failed
The error most likely occurred in:

> ### Name: d_visibility
> ### Title: Computes the directional visibility from a single location in a
> ###   3D point cloud
> ### Aliases: d_visibility
> 
> ### ** Examples
> 
> ## No test: 
> # produce a spherical point cloud
> sph <- lidR::LAS(generate_sphere(angular_res = 0.1,r = 1.5))
Creation of a LAS object from data but without a header:
Scale factors were set to 0.001 and XYZ coordinates were quantized to fit the scale factors.
> 
> 
> # compute visibility without segmentation
> view.data <- d_visibility(data = sph,
+                          position = c(0,0,0),
+                          angular_res = 1,
+                          store_points = TRUE,
+                          scene_radius = 2)
Error: Invalid data: R is not an integer
Execution halted
* checking PDF version of manual ... OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* checking for new files in some other directories ... OK
* DONE

Status: 1 ERROR, 1 NOTE
See
  ‘/data/blackswan/ripley/R/packages/tests-devel/viewshed3d.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 1:03.09, 57.05 + 6.66