# HG changeset patch
# User Iannis <i.binietoglou@impworks.gr>
# Date 1515596661 -7200
# Node ID 44a43b0e452f501df9c4a7afca755fed10c22745
# Parent  d9703af687aa40f2532b3429d69fe76954438ca3
Fixed bugs when subsetting licel files.

diff -r d9703af687aa -r 44a43b0e452f atmospheric_lidar/__init__.py
--- a/atmospheric_lidar/__init__.py	Sat Jan 06 10:08:46 2018 +0200
+++ b/atmospheric_lidar/__init__.py	Wed Jan 10 17:04:21 2018 +0200
@@ -1,1 +1,1 @@
-__version__ = '0.2.13'
\ No newline at end of file
+__version__ = '0.2.14'
\ No newline at end of file
diff -r d9703af687aa -r 44a43b0e452f atmospheric_lidar/generic.py
--- a/atmospheric_lidar/generic.py	Sat Jan 06 10:08:46 2018 +0200
+++ b/atmospheric_lidar/generic.py	Wed Jan 10 17:04:21 2018 +0200
@@ -190,8 +190,8 @@
 
         if not common_channels:
             logger.debug("Config channels: %s." % ','.join(scc_channels))
-            logger.debug("Licel channels: %s." % ','.join(self.channels.keys()))
-            raise ValueError('No common channels between licel and configuration files.')
+            logger.debug("Measurement channels: %s." % ','.join(self.channels.keys()))
+            raise ValueError('No common channels between measurement and configuration files.')
 
         return self.subset_by_channels(common_channels)
 
diff -r d9703af687aa -r 44a43b0e452f atmospheric_lidar/licel.py
--- a/atmospheric_lidar/licel.py	Sat Jan 06 10:08:46 2018 +0200
+++ b/atmospheric_lidar/licel.py	Wed Jan 10 17:04:21 2018 +0200
@@ -1,5 +1,6 @@
 import datetime
 import logging
+import copy
 
 import numpy as np
 import pytz
@@ -318,6 +319,7 @@
         if filename in self.files:
             logger.warning("File has been imported already: %s" % filename)
         else:
+            logger.debug('Importing file {0}'.format(filename))
             current_file = LicelFile(filename, use_id_as_name=self.use_id_as_name, licel_timezone=self.licel_timezone)
             self.raw_info[current_file.filename] = current_file.raw_info
             self.durations[current_file.filename] = current_file.duration()
@@ -395,20 +397,48 @@
         Currently the method assumes that all files in the measurement object have the same altitude, lat and lon
         properties.
         """
+        logger.debug('Setting custom global attributes')
+        logger.debug('raw_info keys: {0}'.format(self.raw_info.keys()))
+
         params = [{
             "name": "Altitude_meter_asl",
-            "value": self.raw_info[self.files[0]]["Altitude"]
+            "value": float(self.raw_info[self.files[0]]["Altitude"])
         }, {
             "name": "Latitude_degrees_north",
-            "value": self.raw_info[self.files[0]]["Latitude"]
+            "value": float(self.raw_info[self.files[0]]["Latitude"])
         }, {
             "name": "Longitude_degrees_east",
-            "value": self.raw_info[self.files[0]]["Longtitude"]
+            "value": float(self.raw_info[self.files[0]]["Longtitude"])
         },
         ]
 
         return params
 
+    def subset_by_channels(self, channel_subset):
+        """
+        Create a measurement object containing only a subset of  channels.
+
+        This method overrides the parent method to add some licel-spefic parameters to the new object.
+
+        Parameters
+        ----------
+        channel_subset : list
+           A list of channel names (str) to be included in the new measurement object.
+
+        Returns
+        -------
+        m : BaseLidarMeasurements object
+           A new measurements object
+        """
+        new_measurement = super(LicelLidarMeasurement, self).subset_by_channels(channel_subset)
+
+        new_measurement.raw_info = copy.deepcopy(self.raw_info)
+        new_measurement.durations = copy.deepcopy(self.durations)
+        new_measurement.laser_shots = copy.deepcopy(self.laser_shots)
+
+        return new_measurement
+
+
 
 class LicelChannel(LidarChannel):