examples: removed extra titles or legends from QTGUI blocks in examples.

They just take up space and provide no info. Where used to differentiate graphs or lines, they are kept in.
author: Tom Rondeau <tom@trondeau.com> 2015-08-05 16:31:46 -0400
committer: Tom Rondeau <tom@trondeau.com> 2015-08-05 16:31:46 -0400
commit: fee49faacaa8b5e1492ee5b001b7e732ff8cf259 (patch)
tree: d2a6588ac472c242a67b35bb3967b4b4aad57a1e /gr-filter/examples
parent: f4b5bcabdde9ec67f1cd689a7abc204a00d6fbf9 (diff)
2 files changed, 1254 insertions, 812 deletions
diff --git a/gr-filter/examples/channelizer_demo.grc b/gr-filter/examples/channelizer_demo.grc
index 1891f33b2a..d326500fe1 100644
--- a/gr-filter/examples/channelizer_demo.grc
+++ b/gr-filter/examples/channelizer_demo.grc
@@ -1,22 +1,27 @@
-<?xml version='1.0' encoding='ASCII'?>
+<?xml version='1.0' encoding='utf-8'?>
+<?grc format='1' created='3.7.8rc1'?>
 <flow_graph>
   <timestamp>Thu Mar 27 13:33:38 2014</timestamp>
   <block>
     <key>options</key>
     <param>
-      <key>id</key>
-      <value>top_block</value>
+      <key>author</key>
+      <value></value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>title</key>
-      <value></value>
+      <key>window_size</key>
+      <value>1280, 1024</value>
     </param>
     <param>
-      <key>author</key>
+      <key>category</key>
+      <value>Custom</value>
+    </param>
+    <param>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
@@ -24,16 +29,32 @@
       <value></value>
     </param>
     <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(10, 10)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
       <key>generate_options</key>
       <value>qt_gui</value>
     </param>
     <param>
-      <key>category</key>
-      <value>Custom</value>
+      <key>id</key>
+      <value>top_block</value>
+    </param>
+    <param>
+      <key>max_nouts</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>realtime_scheduling</key>
+      <value></value>
     </param>
     <param>
       <key>run_options</key>
@@ -44,54 +65,90 @@
       <value>True</value>
     </param>
     <param>
-      <key>max_nouts</key>
-      <value>0</value>
+      <key>thread_safe_setters</key>
+      <value></value>
     </param>
     <param>
-      <key>realtime_scheduling</key>
+      <key>title</key>
+      <value></value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(10, 10)</value>
+      <value>(179, 9)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable</key>
     <param>
       <key>id</key>
       <value>samp_rate</value>
     </param>
     <param>
+      <key>value</key>
+      <value>32000</value>
+    </param>
+  </block>
+  <block>
+    <key>analog_sig_source_x</key>
+    <param>
+      <key>amp</key>
+      <value>1</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>value</key>
-      <value>32000</value>
+      <key>freq</key>
+      <value>0.03 * samp_rate</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(179, 9)</value>
+      <value>(12, 71)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>analog_sig_source_x</key>
     <param>
       <key>id</key>
       <value>analog_sig_source_x_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>offset</key>
+      <value>0</value>
     </param>
     <param>
       <key>type</key>
@@ -105,48 +162,56 @@
       <key>waveform</key>
       <value>analog.GR_COS_WAVE</value>
     </param>
-    <param>
-      <key>freq</key>
-      <value>0.03 * samp_rate</value>
-    </param>
+  </block>
+  <block>
+    <key>analog_sig_source_x</key>
     <param>
       <key>amp</key>
       <value>1</value>
     </param>
     <param>
-      <key>offset</key>
-      <value>0</value>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>freq</key>
+      <value>0.38 * samp_rate</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(12, 71)</value>
+      <value>(11, 177)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>analog_sig_source_x</key>
     <param>
       <key>id</key>
       <value>analog_sig_source_x_1</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>offset</key>
+      <value>0</value>
     </param>
     <param>
       <key>type</key>
@@ -160,98 +225,267 @@
       <key>waveform</key>
       <value>analog.GR_COS_WAVE</value>
     </param>
-    <param>
-      <key>freq</key>
-      <value>0.38 * samp_rate</value>
-    </param>
+  </block>
+  <block>
+    <key>analog_sig_source_x</key>
     <param>
       <key>amp</key>
       <value>1</value>
     </param>
     <param>
-      <key>offset</key>
-      <value>0</value>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>freq</key>
+      <value>0.70*samp_rate</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(8, 282)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
+      <key>id</key>
+      <value>analog_sig_source_x_2</value>
+    </param>
+    <param>
       <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(11, 177)</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>offset</key>
       <value>0</value>
     </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>waveform</key>
+      <value>analog.GR_COS_WAVE</value>
+    </param>
   </block>
   <block>
-    <key>qtgui_freq_sink_x</key>
+    <key>blocks_add_xx</key>
     <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0</value>
+      <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>(228, 177)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>blocks_add_xx_0</value>
+    </param>
+    <param>
       <key>type</key>
       <value>complex</value>
     </param>
     <param>
-      <key>name</key>
+      <key>maxoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>3</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+  </block>
+  <block>
+    <key>pfb_channelizer_hier_ccf</key>
+    <param>
+      <key>atten</key>
+      <value>100</value>
+    </param>
+    <param>
+      <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>fftsize</key>
-      <value>1024</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>fc</key>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>bw</key>
+      <value>0.6</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(333, 163)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>pfb_channelizer_hier_ccf_0</value>
+    </param>
+    <param>
+      <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
+      <key>minoutbuf</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>nchans</key>
+      <value>3</value>
+    </param>
+    <param>
+      <key>n_filterbanks</key>
+      <value>4</value>
+    </param>
+    <param>
+      <key>outchans</key>
+      <value>None</value>
+    </param>
+    <param>
+      <key>ripple</key>
+      <value>0.1</value>
+    </param>
+    <param>
+      <key>taps</key>
+      <value>None</value>
+    </param>
+    <param>
+      <key>tb</key>
+      <value>0.2</value>
+    </param>
+  </block>
+  <block>
+    <key>qtgui_freq_sink_x</key>
+    <param>
+      <key>autoscale</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>average</key>
+      <value>1.0</value>
+    </param>
+    <param>
       <key>bw</key>
       <value>samp_rate</value>
     </param>
     <param>
-      <key>autoscale</key>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>ctrlpanel</key>
       <value>False</value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>-140</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>10</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>nconnections</key>
-      <value>1</value>
+      <key>fftsize</key>
+      <value>1024</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
+      <key>_coordinate</key>
+      <value>(352, 35)</value>
     </param>
     <param>
       <key>gui_hint</key>
       <value></value>
     </param>
     <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>grid</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0</value>
+    </param>
+    <param>
+      <key>legend</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>"blue"</value>
+    </param>
+    <param>
       <key>label1</key>
       <value></value>
     </param>
@@ -260,30 +494,46 @@
       <value>1</value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha1</key>
-      <value>1.0</value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>label2</key>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>width2</key>
+      <key>width10</key>
       <value>1</value>
     </param>
     <param>
+      <key>alpha2</key>
+      <value>1.0</value>
+    </param>
+    <param>
       <key>color2</key>
       <value>"red"</value>
     </param>
     <param>
-      <key>alpha2</key>
+      <key>label2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width2</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha3</key>
       <value>1.0</value>
     </param>
     <param>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
       <key>label3</key>
       <value></value>
     </param>
@@ -292,12 +542,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha3</key>
-      <value>1.0</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
       <key>label4</key>
@@ -308,12 +558,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha4</key>
-      <value>1.0</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
       <key>label5</key>
@@ -324,12 +574,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha5</key>
-      <value>1.0</value>
+      <key>color6</key>
+      <value>"magenta"</value>
     </param>
     <param>
       <key>label6</key>
@@ -340,12 +590,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha6</key>
-      <value>1.0</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
       <key>label7</key>
@@ -356,12 +606,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha7</key>
-      <value>1.0</value>
+      <key>color8</key>
+      <value>"dark red"</value>
     </param>
     <param>
       <key>label8</key>
@@ -372,12 +622,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha8</key>
-      <value>1.0</value>
+      <key>color9</key>
+      <value>"dark green"</value>
     </param>
     <param>
       <key>label9</key>
@@ -388,205 +638,171 @@
       <value>1</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alpha9</key>
-      <value>1.0</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>name</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(352, 35)</value>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>showports</key>
+      <value>True</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_add_xx</key>
     <param>
-      <key>id</key>
-      <value>blocks_add_xx_0</value>
+      <key>freqhalf</key>
+      <value>True</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>tr_chan</key>
+      <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>tr_level</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>num_inputs</key>
-      <value>3</value>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
     </param>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>update_time</key>
+      <value>0.10</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(228, 177)</value>
+      <key>ymax</key>
+      <value>10</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>ymin</key>
+      <value>-140</value>
     </param>
   </block>
   <block>
-    <key>pfb_channelizer_hier_ccf</key>
-    <param>
-      <key>id</key>
-      <value>pfb_channelizer_hier_ccf_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>nchans</key>
-      <value>3</value>
-    </param>
+    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>n_filterbanks</key>
-      <value>4</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>taps</key>
-      <value>None</value>
+      <key>average</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>outchans</key>
-      <value>None</value>
+      <key>bw</key>
+      <value>samp_rate/3.0</value>
     </param>
     <param>
-      <key>atten</key>
-      <value>100</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>bw</key>
-      <value>0.6</value>
+      <key>fc</key>
+      <value>-samp_rate/3.0</value>
     </param>
     <param>
-      <key>tb</key>
-      <value>0.2</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>ripple</key>
-      <value>0.1</value>
+      <key>ctrlpanel</key>
+      <value>False</value>
     </param>
     <param>
       <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>fftsize</key>
+      <value>1024</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(333, 163)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
-    <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0_2</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
+      <value>(769, 287)</value>
     </param>
     <param>
-      <key>name</key>
+      <key>gui_hint</key>
       <value></value>
     </param>
     <param>
-      <key>fftsize</key>
-      <value>1024</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+      <key>grid</key>
+      <value>False</value>
     </param>
     <param>
-      <key>fc</key>
-      <value>0</value>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0_0</value>
     </param>
     <param>
-      <key>bw</key>
-      <value>samp_rate/3.0</value>
+      <key>legend</key>
+      <value>False</value>
     </param>
     <param>
-      <key>autoscale</key>
-      <value>False</value>
+      <key>alpha1</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>-140</value>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>10</value>
+      <key>label1</key>
+      <value></value>
     </param>
     <param>
-      <key>nconnections</key>
+      <key>width1</key>
       <value>1</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>gui_hint</key>
-      <value></value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>label1</key>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>width1</key>
+      <key>width10</key>
       <value>1</value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha1</key>
-      <value>1.0</value>
+      <key>color2</key>
+      <value>"red"</value>
     </param>
     <param>
       <key>label2</key>
@@ -597,12 +813,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color2</key>
-      <value>"red"</value>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha2</key>
-      <value>1.0</value>
+      <key>color3</key>
+      <value>"green"</value>
     </param>
     <param>
       <key>label3</key>
@@ -613,12 +829,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha3</key>
-      <value>1.0</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
       <key>label4</key>
@@ -629,12 +845,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha4</key>
-      <value>1.0</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
       <key>label5</key>
@@ -645,12 +861,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha5</key>
-      <value>1.0</value>
+      <key>color6</key>
+      <value>"magenta"</value>
     </param>
     <param>
       <key>label6</key>
@@ -661,12 +877,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha6</key>
-      <value>1.0</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
       <key>label7</key>
@@ -677,12 +893,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha7</key>
-      <value>1.0</value>
+      <key>color8</key>
+      <value>"dark red"</value>
     </param>
     <param>
       <key>label8</key>
@@ -693,12 +909,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha8</key>
-      <value>1.0</value>
+      <key>color9</key>
+      <value>"dark green"</value>
     </param>
     <param>
       <key>label9</key>
@@ -709,85 +925,141 @@
       <value>1</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alpha9</key>
-      <value>1.0</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>name</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(768, 63)</value>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>showports</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>freqhalf</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>tr_chan</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0_1</value>
+      <key>tr_level</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
-      <key>name</key>
-      <value></value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>fftsize</key>
-      <value>1024</value>
+      <key>update_time</key>
+      <value>0.10</value>
     </param>
     <param>
       <key>wintype</key>
       <value>firdes.WIN_BLACKMAN_hARRIS</value>
     </param>
     <param>
-      <key>fc</key>
-      <value>samp_rate/3.0</value>
+      <key>ymax</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
+  </block>
+  <block>
+    <key>qtgui_freq_sink_x</key>
+    <param>
+      <key>autoscale</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>average</key>
+      <value>1.0</value>
     </param>
     <param>
       <key>bw</key>
       <value>samp_rate/3.0</value>
     </param>
     <param>
-      <key>autoscale</key>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>samp_rate/3.0</value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>ctrlpanel</key>
       <value>False</value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>-140</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>10</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>nconnections</key>
-      <value>1</value>
+      <key>fftsize</key>
+      <value>1024</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
+      <key>_coordinate</key>
+      <value>(768, 177)</value>
     </param>
     <param>
       <key>gui_hint</key>
       <value></value>
     </param>
     <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>grid</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0_1</value>
+    </param>
+    <param>
+      <key>legend</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>alpha1</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>color1</key>
+      <value>"blue"</value>
+    </param>
+    <param>
       <key>label1</key>
       <value></value>
     </param>
@@ -796,30 +1068,46 @@
       <value>1</value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha1</key>
-      <value>1.0</value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>label2</key>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>width2</key>
+      <key>width10</key>
       <value>1</value>
     </param>
     <param>
+      <key>alpha2</key>
+      <value>1.0</value>
+    </param>
+    <param>
       <key>color2</key>
       <value>"red"</value>
     </param>
     <param>
-      <key>alpha2</key>
+      <key>label2</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width2</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>alpha3</key>
       <value>1.0</value>
     </param>
     <param>
+      <key>color3</key>
+      <value>"green"</value>
+    </param>
+    <param>
       <key>label3</key>
       <value></value>
     </param>
@@ -828,12 +1116,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha3</key>
-      <value>1.0</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
       <key>label4</key>
@@ -844,12 +1132,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha4</key>
-      <value>1.0</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
       <key>label5</key>
@@ -860,12 +1148,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha5</key>
-      <value>1.0</value>
+      <key>color6</key>
+      <value>"magenta"</value>
     </param>
     <param>
       <key>label6</key>
@@ -876,12 +1164,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha6</key>
-      <value>1.0</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
       <key>label7</key>
@@ -892,12 +1180,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha7</key>
-      <value>1.0</value>
+      <key>color8</key>
+      <value>"dark red"</value>
     </param>
     <param>
       <key>label8</key>
@@ -908,12 +1196,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha8</key>
-      <value>1.0</value>
+      <key>color9</key>
+      <value>"dark green"</value>
     </param>
     <param>
       <key>label9</key>
@@ -924,154 +1212,171 @@
       <value>1</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alpha9</key>
-      <value>1.0</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>name</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(768, 177)</value>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>showports</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>freqhalf</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>tr_chan</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>analog_sig_source_x</key>
     <param>
-      <key>id</key>
-      <value>analog_sig_source_x_2</value>
+      <key>tr_level</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
+    </param>
+    <param>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
       <key>type</key>
       <value>complex</value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
+      <key>update_time</key>
+      <value>0.10</value>
     </param>
     <param>
-      <key>waveform</key>
-      <value>analog.GR_COS_WAVE</value>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
     </param>
     <param>
-      <key>freq</key>
-      <value>0.70*samp_rate</value>
+      <key>ymax</key>
+      <value>10</value>
     </param>
     <param>
-      <key>amp</key>
-      <value>1</value>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
+  </block>
+  <block>
+    <key>qtgui_freq_sink_x</key>
+    <param>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>offset</key>
-      <value>0</value>
+      <key>average</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>bw</key>
+      <value>samp_rate/3.0</value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
+      <key>fc</key>
       <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(8, 282)</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>ctrlpanel</key>
+      <value>False</value>
     </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0_0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>fftsize</key>
+      <value>1024</value>
     </param>
     <param>
-      <key>name</key>
-      <value></value>
+      <key>_coordinate</key>
+      <value>(768, 63)</value>
     </param>
     <param>
-      <key>fftsize</key>
-      <value>1024</value>
+      <key>gui_hint</key>
+      <value></value>
     </param>
     <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>fc</key>
-      <value>-samp_rate/3.0</value>
+      <key>grid</key>
+      <value>False</value>
     </param>
     <param>
-      <key>bw</key>
-      <value>samp_rate/3.0</value>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0_2</value>
     </param>
     <param>
-      <key>autoscale</key>
+      <key>legend</key>
       <value>False</value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>-140</value>
+      <key>alpha1</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>10</value>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
     <param>
-      <key>nconnections</key>
+      <key>label1</key>
+      <value></value>
+    </param>
+    <param>
+      <key>width1</key>
       <value>1</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>gui_hint</key>
-      <value></value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>label1</key>
+      <key>label10</key>
       <value></value>
     </param>
     <param>
-      <key>width1</key>
+      <key>width10</key>
       <value>1</value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha1</key>
-      <value>1.0</value>
+      <key>color2</key>
+      <value>"red"</value>
     </param>
     <param>
       <key>label2</key>
@@ -1082,12 +1387,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color2</key>
-      <value>"red"</value>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha2</key>
-      <value>1.0</value>
+      <key>color3</key>
+      <value>"green"</value>
     </param>
     <param>
       <key>label3</key>
@@ -1098,12 +1403,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha3</key>
-      <value>1.0</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
       <key>label4</key>
@@ -1114,12 +1419,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha4</key>
-      <value>1.0</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
       <key>label5</key>
@@ -1130,12 +1435,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha5</key>
-      <value>1.0</value>
+      <key>color6</key>
+      <value>"magenta"</value>
     </param>
     <param>
       <key>label6</key>
@@ -1146,12 +1451,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha6</key>
-      <value>1.0</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
       <key>label7</key>
@@ -1162,12 +1467,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha7</key>
-      <value>1.0</value>
+      <key>color8</key>
+      <value>"dark red"</value>
     </param>
     <param>
       <key>label8</key>
@@ -1178,12 +1483,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha8</key>
-      <value>1.0</value>
+      <key>color9</key>
+      <value>"dark green"</value>
     </param>
     <param>
       <key>label9</key>
@@ -1194,37 +1499,83 @@
       <value>1</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alpha9</key>
-      <value>1.0</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>name</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(769, 287)</value>
+      <key>nconnections</key>
+      <value>1</value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>showports</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>freqhalf</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>tr_chan</key>
       <value>0</value>
     </param>
+    <param>
+      <key>tr_level</key>
+      <value>0.0</value>
+    </param>
+    <param>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
+    </param>
+    <param>
+      <key>tr_tag</key>
+      <value>""</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+    <param>
+      <key>ymax</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
   </block>
   <connection>
+    <source_block_id>analog_sig_source_x_0</source_block_id>
+    <sink_block_id>blocks_add_xx_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
     <source_block_id>analog_sig_source_x_1</source_block_id>
     <sink_block_id>blocks_add_xx_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>1</sink_key>
   </connection>
   <connection>
-    <source_block_id>analog_sig_source_x_0</source_block_id>
+    <source_block_id>analog_sig_source_x_2</source_block_id>
     <sink_block_id>blocks_add_xx_0</sink_block_id>
     <source_key>0</source_key>
-    <sink_key>0</sink_key>
+    <sink_key>2</sink_key>
   </connection>
   <connection>
     <source_block_id>blocks_add_xx_0</source_block_id>
@@ -1233,12 +1584,6 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>analog_sig_source_x_2</source_block_id>
-    <sink_block_id>blocks_add_xx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>2</sink_key>
-  </connection>
-  <connection>
     <source_block_id>blocks_add_xx_0</source_block_id>
     <sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
     <source_key>0</source_key>
diff --git a/gr-filter/examples/resampler_demo.grc b/gr-filter/examples/resampler_demo.grc
index 17875f67bb..446743a9fb 100644
--- a/gr-filter/examples/resampler_demo.grc
+++ b/gr-filter/examples/resampler_demo.grc
@@ -1,22 +1,27 @@
-<?xml version='1.0' encoding='ASCII'?>
+<?xml version='1.0' encoding='utf-8'?>
+<?grc format='1' created='3.7.8rc1'?>
 <flow_graph>
   <timestamp>Sat Jul 12 13:34:43 2014</timestamp>
   <block>
     <key>options</key>
     <param>
-      <key>id</key>
-      <value>resampler_demo</value>
+      <key>author</key>
+      <value></value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>title</key>
-      <value></value>
+      <key>window_size</key>
+      <value>1280, 1024</value>
     </param>
     <param>
-      <key>author</key>
+      <key>category</key>
+      <value>Custom</value>
+    </param>
+    <param>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
@@ -24,24 +29,24 @@
       <value></value>
     </param>
     <param>
-      <key>window_size</key>
-      <value>1280, 1024</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>generate_options</key>
-      <value>qt_gui</value>
+      <key>_coordinate</key>
+      <value>(-2, 0)</value>
     </param>
     <param>
-      <key>category</key>
-      <value>Custom</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>run_options</key>
-      <value>prompt</value>
+      <key>generate_options</key>
+      <value>qt_gui</value>
     </param>
     <param>
-      <key>run</key>
-      <value>True</value>
+      <key>id</key>
+      <value>resampler_demo</value>
     </param>
     <param>
       <key>max_nouts</key>
@@ -52,110 +57,100 @@
       <value></value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>run_options</key>
+      <value>prompt</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(-2, 0)</value>
+      <key>run</key>
+      <value>True</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>thread_safe_setters</key>
+      <value></value>
+    </param>
+    <param>
+      <key>title</key>
+      <value></value>
     </param>
   </block>
   <block>
-    <key>variable</key>
+    <key>variable_qtgui_label</key>
     <param>
-      <key>id</key>
-      <value>nphases</value>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>.45</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>value</key>
-      <value>32</value>
+      <key>formatter</key>
+      <value>lambda x: "%0.2f"%x</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_coordinate</key>
+      <value>(431, -1)</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(653, -1)</value>
+      <key>gui_hint</key>
+      <value>0,2,1,1</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable</key>
     <param>
       <key>id</key>
-      <value>rs_taps</value>
+      <value>frac_bw</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>label</key>
+      <value>Fractional Bandwidth</value>
     </param>
     <param>
-      <key>value</key>
-      <value>firdes.low_pass(nphases, nphases, frac_bw, 0.5-frac_bw)</value>
+      <key>type</key>
+      <value>real</value>
     </param>
+  </block>
+  <block>
+    <key>variable_qtgui_label</key>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(741, -1)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>import</key>
-    <param>
-      <key>id</key>
-      <value>import_0</value>
+      <key>value</key>
+      <value>48000</value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>import</key>
-      <value>import math</value>
+      <key>formatter</key>
+      <value>None</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_coordinate</key>
+      <value>(291, 0)</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(0, 74)</value>
+      <key>gui_hint</key>
+      <value>0,1,1,1</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable_qtgui_label</key>
     <param>
       <key>id</key>
       <value>new_rate</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
       <key>label</key>
       <value>Resampling Rate</value>
     </param>
@@ -163,208 +158,210 @@
       <key>type</key>
       <value>real</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>value</key>
-      <value>48000</value>
-    </param>
-    <param>
-      <key>formatter</key>
-      <value>None</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>0,1,1,1</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(291, 0)</value>
+      <value>(653, -1)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>analog_sig_source_x</key>
     <param>
       <key>id</key>
-      <value>analog_sig_source_x_0</value>
+      <value>nphases</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>value</key>
+      <value>32</value>
     </param>
+  </block>
+  <block>
+    <key>variable</key>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>waveform</key>
-      <value>analog.GR_TRI_WAVE</value>
+      <key>_coordinate</key>
+      <value>(741, -1)</value>
     </param>
     <param>
-      <key>freq</key>
-      <value>0.05</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>amp</key>
-      <value>2</value>
+      <key>id</key>
+      <value>rs_taps</value>
     </param>
     <param>
-      <key>offset</key>
-      <value>0</value>
+      <key>value</key>
+      <value>firdes.low_pass(nphases, nphases, frac_bw, 0.5-frac_bw)</value>
     </param>
+  </block>
+  <block>
+    <key>variable_qtgui_label</key>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>value</key>
+      <value>44100</value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>formatter</key>
+      <value>None</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(4, 137)</value>
+      <value>(162, 0)</value>
+    </param>
+    <param>
+      <key>gui_hint</key>
+      <value>0,0,1,1</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>variable_qtgui_label</key>
     <param>
       <key>id</key>
-      <value>frac_bw</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <value>samp_rate</value>
     </param>
     <param>
       <key>label</key>
-      <value>Fractional Bandwidth</value>
+      <value>Sampling Rate</value>
     </param>
     <param>
       <key>type</key>
       <value>real</value>
     </param>
+  </block>
+  <block>
+    <key>blocks_add_const_vxx</key>
     <param>
-      <key>value</key>
-      <value>.45</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>formatter</key>
-      <value>lambda x: "%0.2f"%x</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>gui_hint</key>
-      <value>0,2,1,1</value>
+      <key>const</key>
+      <value>-1.0</value>
     </param>
     <param>
-      <key>alias</key>
+      <key>affinity</key>
       <value></value>
     </param>
     <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>_coordinate</key>
-      <value>(431, -1)</value>
+      <value>(175, 169)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_add_const_vxx</key>
     <param>
       <key>id</key>
       <value>adder</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
       <key>type</key>
       <value>float</value>
     </param>
     <param>
-      <key>const</key>
-      <value>-1.0</value>
+      <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>analog_frequency_modulator_fc</key>
     <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
-      <key>affinity</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(175, 169)</value>
+      <value>(478, 169)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>blocks_throttle</key>
     <param>
       <key>id</key>
-      <value>throttle</value>
+      <value>analog_frequency_modulator_fc_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>float</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>samples_per_second</key>
-      <value>samp_rate</value>
+      <key>sensitivity</key>
+      <value>math.pi</value>
     </param>
+  </block>
+  <block>
+    <key>analog_sig_source_x</key>
     <param>
-      <key>vlen</key>
-      <value>1</value>
+      <key>amp</key>
+      <value>2</value>
     </param>
     <param>
-      <key>ignoretag</key>
-      <value>True</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
+      <key>comment</key>
       <value></value>
     </param>
     <param>
@@ -372,248 +369,249 @@
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>freq</key>
+      <value>0.05</value>
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(307, 169)</value>
+      <value>(4, 137)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>analog_frequency_modulator_fc</key>
     <param>
       <key>id</key>
-      <value>analog_frequency_modulator_fc_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>sensitivity</key>
-      <value>math.pi</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
+      <value>analog_sig_source_x_0</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
       <key>minoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
+      <key>offset</key>
       <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(478, 169)</value>
+      <key>type</key>
+      <value>float</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>waveform</key>
+      <value>analog.GR_TRI_WAVE</value>
     </param>
   </block>
   <block>
-    <key>variable_qtgui_label</key>
+    <key>import</key>
     <param>
-      <key>id</key>
-      <value>samp_rate</value>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
       <key>_enabled</key>
       <value>True</value>
     </param>
     <param>
-      <key>label</key>
-      <value>Sampling Rate</value>
+      <key>_coordinate</key>
+      <value>(0, 74)</value>
     </param>
     <param>
-      <key>type</key>
-      <value>real</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
-      <key>value</key>
-      <value>44100</value>
+      <key>id</key>
+      <value>import_0</value>
     </param>
     <param>
-      <key>formatter</key>
-      <value>None</value>
+      <key>import</key>
+      <value>import math</value>
     </param>
+  </block>
+  <block>
+    <key>pfb_arb_resampler_xxx</key>
     <param>
-      <key>gui_hint</key>
-      <value>0,0,1,1</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>alias</key>
+      <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>(162, 0)</value>
+      <value>(343, 253)</value>
     </param>
     <param>
       <key>_rotation</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>pfb_arb_resampler_xxx</key>
     <param>
       <key>id</key>
       <value>pfb_arb_resampler_xxx_0</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>ccf</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>rrate</key>
-      <value>float(new_rate)/samp_rate</value>
+      <key>nfilts</key>
+      <value>nphases</value>
     </param>
     <param>
-      <key>taps</key>
-      <value>rs_taps</value>
+      <key>rrate</key>
+      <value>float(new_rate)/samp_rate</value>
     </param>
     <param>
-      <key>nfilts</key>
-      <value>nphases</value>
+      <key>samp_delay</key>
+      <value>0</value>
     </param>
     <param>
       <key>atten</key>
       <value>100</value>
     </param>
     <param>
-      <key>samp_delay</key>
-      <value>0</value>
+      <key>taps</key>
+      <value>rs_taps</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>type</key>
+      <value>ccf</value>
     </param>
+  </block>
+  <block>
+    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>average</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>bw</key>
+      <value>samp_rate</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(343, 253)</value>
+      <key>alias</key>
+      <value></value>
     </param>
     <param>
-      <key>_rotation</key>
+      <key>fc</key>
       <value>0</value>
     </param>
-  </block>
-  <block>
-    <key>qtgui_freq_sink_x</key>
     <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0</value>
+      <key>comment</key>
+      <value></value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>ctrlpanel</key>
+      <value>False</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>affinity</key>
+      <value></value>
     </param>
     <param>
-      <key>name</key>
-      <value>Original Spectrum</value>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>fftsize</key>
       <value>1024</value>
     </param>
     <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+      <key>_coordinate</key>
+      <value>(660, 135)</value>
     </param>
     <param>
-      <key>fc</key>
-      <value>0</value>
+      <key>gui_hint</key>
+      <value>1,0,1,3</value>
     </param>
     <param>
-      <key>bw</key>
-      <value>samp_rate</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
       <key>grid</key>
       <value>False</value>
     </param>
     <param>
-      <key>autoscale</key>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0</value>
+    </param>
+    <param>
+      <key>legend</key>
       <value>False</value>
     </param>
     <param>
-      <key>average</key>
+      <key>alpha1</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>-140</value>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>10</value>
+      <key>label1</key>
+      <value>Original Spectrum</value>
     </param>
     <param>
-      <key>nconnections</key>
+      <key>width1</key>
       <value>1</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>1,0,1,3</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>showports</key>
-      <value>True</value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>label1</key>
-      <value>Original Spectrum</value>
+      <key>label10</key>
+      <value></value>
     </param>
     <param>
-      <key>width1</key>
+      <key>width10</key>
       <value>1</value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha1</key>
-      <value>1.0</value>
+      <key>color2</key>
+      <value>"red"</value>
     </param>
     <param>
       <key>label2</key>
@@ -624,12 +622,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color2</key>
-      <value>"red"</value>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha2</key>
-      <value>1.0</value>
+      <key>color3</key>
+      <value>"green"</value>
     </param>
     <param>
       <key>label3</key>
@@ -640,12 +638,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha3</key>
-      <value>1.0</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
       <key>label4</key>
@@ -656,12 +654,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha4</key>
-      <value>1.0</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
       <key>label5</key>
@@ -672,12 +670,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha5</key>
-      <value>1.0</value>
+      <key>color6</key>
+      <value>"magenta"</value>
     </param>
     <param>
       <key>label6</key>
@@ -688,12 +686,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha6</key>
-      <value>1.0</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
       <key>label7</key>
@@ -704,12 +702,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha7</key>
-      <value>1.0</value>
+      <key>color8</key>
+      <value>"dark red"</value>
     </param>
     <param>
       <key>label8</key>
@@ -720,12 +718,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha8</key>
-      <value>1.0</value>
+      <key>color9</key>
+      <value>"dark green"</value>
     </param>
     <param>
       <key>label9</key>
@@ -736,139 +734,171 @@
       <value>1</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alpha9</key>
-      <value>1.0</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>label10</key>
-      <value></value>
+      <key>name</key>
+      <value>Original Spectrum</value>
     </param>
     <param>
-      <key>width10</key>
+      <key>nconnections</key>
       <value>1</value>
     </param>
     <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
+      <key>showports</key>
+      <value>True</value>
     </param>
     <param>
-      <key>alpha10</key>
-      <value>1.0</value>
+      <key>freqhalf</key>
+      <value>True</value>
     </param>
     <param>
-      <key>alias</key>
-      <value></value>
+      <key>tr_chan</key>
+      <value>0</value>
     </param>
     <param>
-      <key>affinity</key>
-      <value></value>
+      <key>tr_level</key>
+      <value>0.0</value>
     </param>
     <param>
-      <key>minoutbuf</key>
-      <value>0</value>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
     </param>
     <param>
-      <key>maxoutbuf</key>
-      <value>0</value>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(660, 135)</value>
+      <key>type</key>
+      <value>complex</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+    <param>
+      <key>ymax</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
     </param>
   </block>
   <block>
     <key>qtgui_freq_sink_x</key>
     <param>
-      <key>id</key>
-      <value>qtgui_freq_sink_x_0_0</value>
+      <key>autoscale</key>
+      <value>False</value>
     </param>
     <param>
-      <key>_enabled</key>
-      <value>True</value>
+      <key>average</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>type</key>
-      <value>complex</value>
+      <key>bw</key>
+      <value>new_rate</value>
     </param>
     <param>
-      <key>name</key>
-      <value>Resampled Spectrum</value>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>fc</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>ctrlpanel</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>affinity</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
     </param>
     <param>
       <key>fftsize</key>
       <value>1024</value>
     </param>
     <param>
-      <key>wintype</key>
-      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+      <key>_coordinate</key>
+      <value>(636, 253)</value>
     </param>
     <param>
-      <key>fc</key>
-      <value>0</value>
+      <key>gui_hint</key>
+      <value>2,0,1,3</value>
     </param>
     <param>
-      <key>bw</key>
-      <value>new_rate</value>
+      <key>_rotation</key>
+      <value>0</value>
     </param>
     <param>
       <key>grid</key>
       <value>False</value>
     </param>
     <param>
-      <key>autoscale</key>
+      <key>id</key>
+      <value>qtgui_freq_sink_x_0_0</value>
+    </param>
+    <param>
+      <key>legend</key>
       <value>False</value>
     </param>
     <param>
-      <key>average</key>
+      <key>alpha1</key>
       <value>1.0</value>
     </param>
     <param>
-      <key>ymin</key>
-      <value>-140</value>
+      <key>color1</key>
+      <value>"blue"</value>
     </param>
     <param>
-      <key>ymax</key>
-      <value>10</value>
+      <key>label1</key>
+      <value>Resampled Spectrum</value>
     </param>
     <param>
-      <key>nconnections</key>
+      <key>width1</key>
       <value>1</value>
     </param>
     <param>
-      <key>update_time</key>
-      <value>0.10</value>
-    </param>
-    <param>
-      <key>gui_hint</key>
-      <value>2,0,1,3</value>
+      <key>alpha10</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>showports</key>
-      <value>True</value>
+      <key>color10</key>
+      <value>"dark blue"</value>
     </param>
     <param>
-      <key>label1</key>
-      <value>Original Spectrum</value>
+      <key>label10</key>
+      <value></value>
     </param>
     <param>
-      <key>width1</key>
+      <key>width10</key>
       <value>1</value>
     </param>
     <param>
-      <key>color1</key>
-      <value>"blue"</value>
+      <key>alpha2</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha1</key>
-      <value>1.0</value>
+      <key>color2</key>
+      <value>"red"</value>
     </param>
     <param>
       <key>label2</key>
@@ -879,12 +909,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color2</key>
-      <value>"red"</value>
+      <key>alpha3</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha2</key>
-      <value>1.0</value>
+      <key>color3</key>
+      <value>"green"</value>
     </param>
     <param>
       <key>label3</key>
@@ -895,12 +925,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color3</key>
-      <value>"green"</value>
+      <key>alpha4</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha3</key>
-      <value>1.0</value>
+      <key>color4</key>
+      <value>"black"</value>
     </param>
     <param>
       <key>label4</key>
@@ -911,12 +941,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color4</key>
-      <value>"black"</value>
+      <key>alpha5</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha4</key>
-      <value>1.0</value>
+      <key>color5</key>
+      <value>"cyan"</value>
     </param>
     <param>
       <key>label5</key>
@@ -927,12 +957,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color5</key>
-      <value>"cyan"</value>
+      <key>alpha6</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha5</key>
-      <value>1.0</value>
+      <key>color6</key>
+      <value>"magenta"</value>
     </param>
     <param>
       <key>label6</key>
@@ -943,12 +973,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color6</key>
-      <value>"magenta"</value>
+      <key>alpha7</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha6</key>
-      <value>1.0</value>
+      <key>color7</key>
+      <value>"yellow"</value>
     </param>
     <param>
       <key>label7</key>
@@ -959,12 +989,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color7</key>
-      <value>"yellow"</value>
+      <key>alpha8</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha7</key>
-      <value>1.0</value>
+      <key>color8</key>
+      <value>"dark red"</value>
     </param>
     <param>
       <key>label8</key>
@@ -975,12 +1005,12 @@
       <value>1</value>
     </param>
     <param>
-      <key>color8</key>
-      <value>"dark red"</value>
+      <key>alpha9</key>
+      <value>1.0</value>
     </param>
     <param>
-      <key>alpha8</key>
-      <value>1.0</value>
+      <key>color9</key>
+      <value>"dark green"</value>
     </param>
     <param>
       <key>label9</key>
@@ -991,57 +1021,124 @@
       <value>1</value>
     </param>
     <param>
-      <key>color9</key>
-      <value>"dark green"</value>
+      <key>maxoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>alpha9</key>
-      <value>1.0</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>label10</key>
-      <value></value>
+      <key>name</key>
+      <value>Resampled Spectrum</value>
     </param>
     <param>
-      <key>width10</key>
+      <key>nconnections</key>
       <value>1</value>
     </param>
     <param>
-      <key>color10</key>
-      <value>"dark blue"</value>
+      <key>showports</key>
+      <value>True</value>
     </param>
     <param>
-      <key>alpha10</key>
-      <value>1.0</value>
+      <key>freqhalf</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>tr_chan</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>tr_level</key>
+      <value>0.0</value>
+    </param>
+    <param>
+      <key>tr_mode</key>
+      <value>qtgui.TRIG_MODE_FREE</value>
+    </param>
+    <param>
+      <key>tr_tag</key>
+      <value>""</value>
     </param>
     <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>update_time</key>
+      <value>0.10</value>
+    </param>
+    <param>
+      <key>wintype</key>
+      <value>firdes.WIN_BLACKMAN_hARRIS</value>
+    </param>
+    <param>
+      <key>ymax</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>ymin</key>
+      <value>-140</value>
+    </param>
+  </block>
+  <block>
+    <key>blocks_throttle</key>
+    <param>
       <key>alias</key>
       <value></value>
     </param>
     <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
       <key>affinity</key>
       <value></value>
     </param>
     <param>
-      <key>minoutbuf</key>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(307, 169)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
       <value>0</value>
     </param>
     <param>
+      <key>id</key>
+      <value>throttle</value>
+    </param>
+    <param>
+      <key>ignoretag</key>
+      <value>True</value>
+    </param>
+    <param>
       <key>maxoutbuf</key>
       <value>0</value>
     </param>
     <param>
-      <key>_coordinate</key>
-      <value>(636, 253)</value>
+      <key>minoutbuf</key>
+      <value>0</value>
     </param>
     <param>
-      <key>_rotation</key>
-      <value>0</value>
+      <key>samples_per_second</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>float</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
     </param>
   </block>
   <connection>
-    <source_block_id>throttle</source_block_id>
-    <sink_block_id>analog_frequency_modulator_fc_0</sink_block_id>
+    <source_block_id>adder</source_block_id>
+    <sink_block_id>throttle</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
@@ -1064,14 +1161,14 @@
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>adder</source_block_id>
-    <sink_block_id>throttle</sink_block_id>
+    <source_block_id>pfb_arb_resampler_xxx_0</source_block_id>
+    <sink_block_id>qtgui_freq_sink_x_0_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
   <connection>
-    <source_block_id>pfb_arb_resampler_xxx_0</source_block_id>
-    <sink_block_id>qtgui_freq_sink_x_0_0</sink_block_id>
+    <source_block_id>throttle</source_block_id>
+    <sink_block_id>analog_frequency_modulator_fc_0</sink_block_id>
     <source_key>0</source_key>
     <sink_key>0</sink_key>
   </connection>
author	Tom Rondeau <tom@trondeau.com>	2015-08-05 16:31:46 -0400
committer	Tom Rondeau <tom@trondeau.com>	2015-08-05 16:31:46 -0400
commit	fee49faacaa8b5e1492ee5b001b7e732ff8cf259 (patch)
tree	d2a6588ac472c242a67b35bb3967b4b4aad57a1e /gr-filter/examples
parent	f4b5bcabdde9ec67f1cd689a7abc204a00d6fbf9 (diff)