Add verbose option for lastools messages

lastools.py

@@ -2,7 +2,7 @@ import os
 import subprocess
 
 
-def call_lastools(tool_name, las_in, las_out=None, args=None):
+def call_lastools(tool_name, las_in, las_out=None, args=None, verbose=True):
     """Send commands to the lastools library.
 
     Requires lastools in system path.
@@ -12,6 +12,7 @@ def call_lastools(tool_name, las_in, las_out=None, args=None):
         las_in:     bytes from stdout, or path to input point cloud
         las_out:    '-stdout' to pipe output, or path to output point cloud
         args:       list of additional arguments, formatted for lastools
+        verbose:    show all warnings and messages from lastools (boolean)
 
     Returns:
         bytes of output las, if las_out='-stdout'
@@ -24,7 +25,7 @@ def call_lastools(tool_name, las_in, las_out=None, args=None):
                              args=['-parse', 'sxyz'])
 
     # Clip las_data with a shapefile, and save to a new las file
-    call_lastools('lascrop', las_in=las_data, las_out='points.las',
+    call_lastools('lasclip', las_in=las_data, las_out='points.las',
                   args=['-poly', 'boundary.shp'])
     """
 
@@ -66,6 +67,10 @@ def call_lastools(tool_name, las_in, las_out=None, args=None):
                                               os.path.basename(las_in)))
         print(stderr.decode())
 
+    elif verbose:
+        # Print addional messages if verbose mode is being used
+        print(stderr.decode())
+
     # Output piped stdout if required
     if las_out == '-stdout':
         return stdout