Tashrif Billah

This is my error: ```R processing file: myproject/report.Rmd |....... | 14% [unnamed-chunk-1] Quitting from lines 2-21 [unnamed-chunk-1] (myproject/report.Rmd) Error: ! svg: Cairo-based devices are not available for this platform Backtrace:...

I tried your file: > $ Rscript minimal.R > Error in -title : invalid argument to unary operator > Execution halted Nothing happened.

@zhangfanmark , more debug info: [this](https://github.com/SlicerDMRI/whitematteranalysis/blob/master/whitematteranalysis/render.py#L302) is the line where the above fails with just one message `Segmentation fault (core dumped)`. I believe the problem traces its root in `self.renderer...

> Does [t]his happen always or just for this dataset? I can't say but we observed it for this one.

By the way, whoever wrote the bashrc you are rooting for, has the following line in it: > 41 export LIBGL_ALWAYS_INDIRECT=1 # so vtk rendering does not crash I tried...

The old bashrc is running `vtk=7.0` while the new one is `vtk=8.1`. I can think of this as the only difference between the two environments. I tried `pip install vtk==7.0`...

> `dbxcli ls -l "path/to/folder/to/download"|awk -F"ago" '{print $2}'|sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'|xargs -I{} dbxcli get {} .` This command won't work for two-level deep folders. cc @conphi

It does not seem like Dropbox developers are monitoring GitHub issues! :(

Hi, I shall try to do it myself. I have marked the email notification.

Hi @ink-splatters , sorry about the delay--the idea that you came up with, should it be inserted before line 931?