fix blank plot save issue

.gitignore

@@ -1 +1 @@
-/result*
+workspace/*/

workspace/Makefile

@@ -1,5 +1,3 @@
 all: 
 	./wifi_loopback_noGUI.py -t $(t) -n $(n) -c $(c) -s $(s) -o $(o) -e $(e) -i $(i) -r $(result)
-	tshark -r $(result)/ofdm_t$(t)_n$(n)_s$(s)_e$(e)_i$(i).pcap > $(result)/t$(t)_n$(n)_s$(s)_e$(e)_i$(i).log 
-
-
+	tshark -r $(result)/ofdm_t$(t)_n$(n)_s$(s)_e$(e)_i$(i).pcap > $(result)/t$(t)_n$(n)_s$(s)_e$(e)_i$(i).log 

workspace/parse.py

@@ -68,6 +68,6 @@ plt.ylabel("PDR")
 plt.xlabel("SNR")
 plt.title("Delivery rate vs. SNR for different encoding schemes")
 plt.legend()
-plt.show()
 plt.savefig(os.path.join(path,"plot.png"))
+plt.show()
 

workspace/run

@@ -28,4 +28,5 @@ do
 		done
 	done
 done 
+
 ./parse.py $result_dir $ntrials

workspace/wifi_loopback_noGUI.grc

@@ -104,6 +104,49 @@
       <value>96000</value>
     </param>
   </block>
+  <block>
+    <key>blocks_complex_to_arg</key>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(792, 152)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>blocks_complex_to_arg_0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+  </block>
   <block>
     <key>blocks_file_sink</key>
     <param>
@@ -966,18 +1009,99 @@ Max: 30</value>
       <value>encoding</value>
     </param>
   </block>
+  <block>
+    <key>wxgui_scopesink2</key>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(784, 195)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value></value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>wxgui_scopesink2_0</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Scope Plot</value>
+    </param>
+    <param>
+      <key>trig_mode</key>
+      <value>wxgui.TRIG_MODE_AUTO</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>v_offset</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>win_size</key>
+      <value></value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>y_axis_label</key>
+      <value>Counts</value>
+    </param>
+  </block>
   <connection>
     <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
     <sink_block_id>channels_channel_model_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
-  <connection>
-    <source_block_id>channels_channel_model_0</source_block_id>
-    <sink_block_id>wifi_phy_hier_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
   <connection>
     <source_block_id>foo_packet_pad2_0</source_block_id>
     <sink_block_id>blocks_multiply_const_vxx_0</sink_block_id>