[GRASS-dev] [GRASS GIS] #3552: i.spectral fails due to missing monitor

[GRASS GIS]

#3552: i.spectral fails due to missing monitor
-------------------------+-------------------------
 Reporter:  marisn       |      Owner:  grass-dev@…
     Type:  defect       |     Status:  new
 Priority:  normal       |  Milestone:  7.6.0
Component:  Imagery      |    Version:  svn-trunk
 Keywords:  i.spectral   |        CPU:  Unspecified
 Platform:  Unspecified  |
-------------------------+-------------------------
 From the code of i.spectral I could not figure out what should happen when
 gnuplot is absent – should it plot on screen? Into a file?
 In either case, code needs enhancements to handle corner cases (i.e.
 output file not provided or is not writeable).

 At the moment it doesn't do any of those things:
 {{{
 ERROR: Neither MONITOR (managed by d.mon command) nor
 GRASS_RENDER_IMMEDIATE (used for direct rendering) defined
 Traceback (most recent call last):
   File "/home/marisn/soft/grass7_trunk/dist.x86_64-pc-linux-
 gnu/scripts/i.spectral", line 273, in <module>
     main()
   File "/home/marisn/soft/grass7_trunk/dist.x86_64-pc-linux-
 gnu/scripts/i.spectral", line 268, in main
     draw_linegraph(what)
   File "/home/marisn/soft/grass7_trunk/dist.x86_64-pc-linux-
 gnu/scripts/i.spectral", line 200, in draw_linegraph
     x_title=_("Bands"), y_title=_("DN Value"))
   File "/home/marisn/soft/grass7_trunk/dist.x86_64-pc-linux-
 gnu/etc/python/grass/script/core.py", line 421, in
 run_command
     return handle_errors(returncode, returncode, args,
 kwargs)
   File "/home/marisn/soft/grass7_trunk/dist.x86_64-pc-linux-
 gnu/etc/python/grass/script/core.py", line 332, in
 handle_errors
     returncode=returncode)
 grass.exceptions.CalledModuleError: Module run None
 ['d.linegraph', 'x_title=Bands', 'x_file=/home/marisn/data/G
 RASS_DB/LV_UTM34V/piemers/.tmp/seda/1232.0/data_x', 'y_file=
 /home/marisn/data/GRASS_DB/LV_UTM34V/piemers/.tmp/seda/1232.
 0/data_y_0', 'y_title=DN Value', 'title=Spectral
 signatures', 'y_color=red'] ended with error
 Process ended with non-zero return code 1. See errors in the
 (error) output.
 }}}

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/3552>
GRASS GIS <https://grass.osgeo.org>