Failure Dumping PNG

[mmelihatalay]

Hi all,

I am new to neper and I got error when I want to dump .tess or .msh file into png file as image. I could not figure it out what the problem is. Could you please assist me with it?

xx@xx-VirtualBox:~/Downloads/neper/src/build$ ./neper -V n100-id1.tess -print img1

========================    N   e   p   e   r    =======================
Info   : A software package for polycrystal generation and meshing.
Info   : Version 4.6.1-7
Info   : Built with: gsl|muparser|opengjk|openmp|nlopt|libscotch (full)
Info   : Running on 4 threads.
Info   : <https://neper.info>
Info   : Copyright (C) 2003-2022, and GNU GPL'd, by Romain Quey.
Info   : No initialization file found (`/home/xx/.neperrc').
Info   : ---------------------------------------------------------------
Info   : MODULE  -V loaded with arguments:
Info   : [ini file] (none)
Info   : [com line] n100-id1.tess -print img1
Info   : ---------------------------------------------------------------
Info   :   - Reading arguments...
Info   : Loading tessellation...
Info   :     [i] Parsing file `n100-id1.tess'...
Info   :     [i] Parsed file `n100-id1.tess'.
Info   : Printing image...
Info   :   - Printing tessellation...
Info   :   - Generating png file (1200x900 pixels)...
Info   :     [o] Writing file `img1.png'...
Error  :     > File `img1.png' could not be generated!
Aborted (core dumped)

[rquey]

Make sure povray is properly installed / available, and then run the tests (ctest to confirm). See https://neper.info/doc/introduction.html#installing-neper.