[GRASS-SVN] r74166 - grass-addons/grass7/raster/r.viewshed.cva

[svn_grass at osgeo.org]

Author: neteler
Date: 2019-03-06 08:59:15 -0800 (Wed, 06 Mar 2019)
New Revision: 74166

Modified:
   grass-addons/grass7/raster/r.viewshed.cva/r.viewshed.cva.py
Log:
r.viewshed.cva addon: check if input vector map exists; more keywords added

Modified: grass-addons/grass7/raster/r.viewshed.cva/r.viewshed.cva.py
===================================================================
--- grass-addons/grass7/raster/r.viewshed.cva/r.viewshed.cva.py	2019-03-06 14:14:14 UTC (rev 74165)
+++ grass-addons/grass7/raster/r.viewshed.cva/r.viewshed.cva.py	2019-03-06 16:59:15 UTC (rev 74166)
@@ -19,6 +19,8 @@
 #% description: Undertakes a "cumulative viewshed analysis" using a vector points map as input "viewing" locations, using r.viewshed to calculate the individual viewsheds.
 #% keyword: raster
 #% keyword: viewshed
+#% keyword: line of sight
+#% keyword: LOS
 #%end
 
 #%option G_OPT_R_INPUT
@@ -135,6 +137,12 @@
         flagstring += 'b'
     if flags['e']:
         flagstring += 'e'
+
+    # check if vector map exists
+    gfile = grass.find_file(vect, element='vector')
+    if not gfile['name']:
+        grass.fatal(_("Vector map <%s> not found") % vect)
+
     # get the coords from the vector map, and check if we want to name them
     if flags['k'] and options["name_column"] is not '':
         # note that the "r" flag will constrain to points in the current geographic region.