Merged Mathbox 3D support (gl3)

config_webrx.py

@@ -129,9 +129,9 @@ To use a HackRF, compile the HackRF host tools from its "stdout" branch:
 #format_conversion="csdr convert_s16_f | csdr gain_ff 30"
 
 # >> /dev/urandom test signal source
-#samp_rate = 2400000
+samp_rate = 2400000
-#start_rtl_command="cat /dev/urandom | (pv -qL `python -c 'print int({samp_rate} * 2.2)'` 2>&1)".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate)
+start_rtl_command="cat /dev/urandom | (pv -qL `python -c 'print int({samp_rate} * 2.2)'` 2>&1)".format(rf_gain=rf_gain, center_freq=center_freq, samp_rate=samp_rate)
-#format_conversion="csdr convert_u8_f"
+format_conversion="csdr convert_u8_f"
 
 # >> Pre-recorded raw I/Q file as signal source
 # You will have to correctly specify: samp_rate, center_freq, format_conversion in order to correctly play an I/Q file.
@@ -190,9 +190,14 @@ waterfall_auto_level_margin = (5, 40)
 #   ___|____________________________________|____________________________________|____________________________________|___> signal power
 #        \_waterfall_auto_level_margin[0]_/ |__ current_min_power_level          | \_waterfall_auto_level_margin[1]_/
 #                                                      current_max_power_level __|
-# ==== Experimental settings ===
 
-#Warning! These are very experimental.
+# 3D view settings
+mathbox_waterfall_frequency_resolution = 128 #bins
+mathbox_waterfall_history_length = 10 #seconds
+mathbox_waterfall_colors = "[0x000000ff,0x2e6893ff, 0x69a5d0ff, 0x214b69ff, 0x9dc4e0ff,  0xfff775ff, 0xff8a8aff, 0xb20000ff]"
+
+# === Experimental settings ===
+#Warning! The settings below are very experimental.
 csdr_dynamic_bufsize = False # This allows you to change the buffering mode of csdr.
 csdr_print_bufsizes = False  # This prints the buffer sizes used for csdr processes.
 csdr_through = False # Setting this True will print out how much data is going into the DSP chains.

htdocs/index.wrx

@@ -28,15 +28,19 @@
             var ws_url="%[WS_URL]";
             var rx_photo_height=%[RX_PHOTO_HEIGHT];
             var audio_buffering_fill_to=%[AUDIO_BUFSIZE];
-            var starting_mod = "%[START_MOD]";
+			var starting_mod="%[START_MOD]";
             var starting_offset_frequency = %[START_OFFSET_FREQ];
             var waterfall_colors=%[WATERFALL_COLORS];
             var waterfall_min_level_default=%[WATERFALL_MIN_LEVEL];
             var waterfall_max_level_default=%[WATERFALL_MAX_LEVEL];
             var waterfall_auto_level_margin=%[WATERFALL_AUTO_LEVEL_MARGIN];
             var server_enable_digimodes=%[DIGIMODES_ENABLE];
+			var mathbox_waterfall_frequency_resolution=%[MATHBOX_WATERFALL_FRES];
+			var mathbox_waterfall_history_length=%[MATHBOX_WATERFALL_THIST];
+			var mathbox_waterfall_colors=%[MATHBOX_WATERFALL_COLORS];
         </script>
         <script src="sdr.js"></script>
+		<script src="mathbox-bundle.min.js"></script>
         <script src="openwebrx.js"></script>
         <script src="jquery-3.2.1.min.js"></script>
         <script src="jquery.nanoscroller.js"></script>
@@ -77,8 +81,8 @@
             <div id="openwebrx-scale-container">
                 <canvas id="openwebrx-scale-canvas" width="0" height="0"></canvas>
             </div>
+			<div id="openwebrx-mathbox-container"> </div>
             <div id="webrx-canvas-container">
-
                 <div id="openwebrx-phantom-canvas"></div>
                 <!-- add canvas here by javascript -->
             </div>
@@ -122,6 +126,8 @@
                         <div class="openwebrx-button openwebrx-square-button" onclick="zoomOutOneStep();" title="Zoom out one step"> <img src="gfx/openwebrx-zoom-out.png" /></div>
                         <div class="openwebrx-button openwebrx-square-button" onclick="zoomInTotal();"  title="Zoom in totally"><img src="gfx/openwebrx-zoom-in-total.png" /></div>
                         <div class="openwebrx-button openwebrx-square-button" onclick="zoomOutTotal();" title="Zoom out totally"><img src="gfx/openwebrx-zoom-out-total.png" /></div>
+						<div class="openwebrx-button openwebrx-square-button" onclick="mathbox_toggle();" title="Zoom out totally"><img src="gfx/openwebrx-3d-spectrum.png" /></div>
+						<div class="openwebrx-button openwebrx-square-button" onclick="mathbox_toggle();" title="Zoom out totally"><img src="gfx/openwebrx-3d-spectrum.png" /></div>
                         <div id="openwebrx-smeter-db">0 dB</div>
                     </div>
                     <div class="openwebrx-panel-line">

htdocs/mathbox.css

@@ -0,0 +1,461 @@
+.shadergraph-graph {
+  font: 12px sans-serif;
+  line-height: 25px;
+  position: relative;
+}
+.shadergraph-graph:after {
+  content: ' ';
+  display: block;
+  height: 0;
+  font-size: 0;
+  clear: both;
+}
+.shadergraph-graph svg {
+  pointer-events: none;
+}
+.shadergraph-clear {
+  clear: both;
+}
+.shadergraph-graph svg {
+  position: absolute;
+  left: 0;
+  right: 0;
+  top: 0;
+  bottom: 0;
+  width: auto;
+  height: auto;
+}
+.shadergraph-column {
+  float: left;
+}
+.shadergraph-node .shadergraph-graph {
+  float: left;
+  clear: both;
+  overflow: visible;
+}
+.shadergraph-node .shadergraph-graph .shadergraph-node {
+  margin: 5px 15px 15px; 
+}
+.shadergraph-node {
+  margin: 5px 15px 25px; 
+  background: rgba(0, 0, 0, .1);
+  border-radius: 5px;
+  box-shadow: 0 1px  2px rgba(0, 0, 0, .2),
+              0 1px  10px rgba(0, 0, 0, .2);
+  min-height: 35px;
+  float: left;
+  clear: left;
+  position: relative;
+}
+.shadergraph-type {
+  font-weight: bold;
+}
+.shadergraph-header {
+  font-weight: bold;
+  text-align: center;
+  height: 25px;
+  background: rgba(0, 0, 0, .3);
+  text-shadow: 0 1px 2px rgba(0, 0, 0, .25);
+  color: #fff;
+  border-top-left-radius: 5px;
+  border-top-right-radius: 5px;
+  margin-bottom: 5px;
+  padding: 0 10px;
+}
+.shadergraph-outlet div {
+}
+.shadergraph-outlet-in .shadergraph-name {
+  margin-right: 7px;
+}
+.shadergraph-outlet-out .shadergraph-name {
+  margin-left: 7px;
+}
+
+.shadergraph-name {
+  margin: 0 4px;
+}
+.shadergraph-point {
+  margin: 6px;
+  width:  11px;
+  height: 11px;
+  border-radius: 7.5px;
+  background: rgba(255, 255, 255, 1);
+}
+.shadergraph-outlet-in {
+  float: left;
+  clear: left;
+}
+.shadergraph-outlet-in div {
+  float: left;
+}
+.shadergraph-outlet-out {
+  float: right;
+  clear: right;
+}
+.shadergraph-outlet-out div {
+  float: right;
+}
+
+.shadergraph-node-callback {
+  background: rgba(205, 209, 221, .5);
+  box-shadow: 0 1px  2px rgba(0, 10, 40, .2),
+              0 1px  10px rgba(0, 10, 40, .2);
+}
+.shadergraph-node-callback > .shadergraph-header {
+  background: rgba(0, 20, 80, .3);
+}
+.shadergraph-graph .shadergraph-graph .shadergraph-node-callback {
+  background: rgba(0, 20, 80, .1);
+}
+
+.shadergraph-node-call {
+  background: rgba(209, 221, 205, .5);
+  box-shadow: 0 1px  2px rgba(10, 40, 0, .2),
+              0 1px  10px rgba(10, 40, 0, .2);
+}
+.shadergraph-node-call > .shadergraph-header {
+  background: rgba(20, 80, 0, .3);
+}
+.shadergraph-graph .shadergraph-graph .shadergraph-node-call {
+  background: rgba(20, 80, 0, .1);
+}
+
+.shadergraph-node-isolate {
+  background: rgba(221, 205, 209, .5);
+  box-shadow: 0 1px  2px rgba(40, 0, 10, .2),
+              0 1px  10px rgba(40, 0, 10, .2);
+}
+.shadergraph-node-isolate > .shadergraph-header {
+  background: rgba(80, 0, 20, .3);
+}
+.shadergraph-graph .shadergraph-graph .shadergraph-node-isolate {
+  background: rgba(80, 0, 20, .1);
+}
+
+.shadergraph-node.shadergraph-has-code {
+  cursor: pointer;
+}
+.shadergraph-node.shadergraph-has-code::before {
+  position: absolute;
+  content: ' ';
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  display: none;
+  border: 2px solid rgba(0, 0, 0, .25);
+  border-radius: 5px;
+}
+.shadergraph-node.shadergraph-has-code:hover::before {
+  display: block;
+}
+.shadergraph-code {
+  z-index: 10000;
+  display: none;
+  position: absolute;
+  background: #fff;
+  color: #000;
+  white-space: pre;
+  padding: 10px;
+  border-radius: 5px;
+  box-shadow: 0 1px  2px rgba(0, 0, 0, .2),
+              0 1px  10px rgba(0, 0, 0, .2);
+  font-family: monospace;
+  font-size: 10px;
+  line-height: 12px;
+}
+
+.shadergraph-overlay {
+  position: fixed;
+  top: 50%;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: #fff;
+  border-top: 1px solid #CCC;
+}
+.shadergraph-overlay .shadergraph-view {
+  position: absolute;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  overflow: auto;
+}
+.shadergraph-overlay .shadergraph-inside {
+  width: 4000px;
+  min-height: 100%;
+  box-sizing: border-box;
+}
+.shadergraph-overlay .shadergraph-close {
+  position: absolute;
+  top: 5px;
+  right: 5px;
+  padding: 4px;
+  border-radius: 16px;
+  background: rgba(255,255,255,.3);
+  color: rgba(0, 0, 0, .3);
+  cursor: pointer;
+  font-size: 24px;
+  line-height: 24px;
+  width: 24px;
+  text-align: center;
+  vertical-align: middle;
+}
+.shadergraph-overlay .shadergraph-close:hover {
+  background: rgba(255,255,255,1);
+  color: rgba(0, 0, 0, 1);
+}
+.shadergraph-overlay .shadergraph-graph {
+  padding-top: 10px;
+  overflow: visible;
+  min-height: 100%;
+}
+.shadergraph-overlay span {
+  display: block;
+  padding: 5px 15px;
+  margin: 0;
+  background: rgba(0, 0, 0, .1);
+  font-weight: bold;
+  font-family: sans-serif;
+}
+.mathbox-loader {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  -webkit-transform: translate(-50%, -50%);
+  transform: translate(-50%, -50%);
+  padding: 10px;
+  border-radius: 50%;
+  background: #fff;
+}
+
+.mathbox-loader.mathbox-exit {
+  opacity: 0;
+  -webkit-transition:
+    opacity .15s ease-in-out;
+  transition:
+    opacity .15s ease-in-out;
+}
+
+.mathbox-progress {
+  height: 10px;
+  border-radius: 5px;
+  width: 80px;
+  margin: 0 auto 20px;
+  box-shadow:
+     1px  1px 1px rgba(255, 255, 255, .2),
+     1px -1px 1px rgba(255, 255, 255, .2),
+    -1px  1px 1px rgba(255, 255, 255, .2),
+    -1px -1px 1px rgba(255, 255, 255, .2);
+  background: #ccc;
+  overflow: hidden;
+}
+
+.mathbox-progress > div {
+  display: block;
+  width: 0px;
+  height: 10px;
+  background: #888;
+}
+
+.mathbox-logo {
+  position: relative;
+  width: 140px;
+  height: 100px;
+  margin: 0 auto 10px;
+  -webkit-perspective: 200px;
+  perspective: 200px;
+}
+
+.mathbox-logo > div {
+  position: absolute;
+  left: 0;
+  top: 0;
+  bottom: 0;
+  right: 0;
+  -webkit-transform-style: preserve-3d;
+  transform-style:         preserve-3d;
+}
+
+.mathbox-logo > :nth-child(1) {
+  -webkit-transform: rotateZ(22deg) rotateX(24deg) rotateY(30deg);
+  transform:         rotateZ(22deg) rotateX(24deg) rotateY(30deg);
+}
+
+.mathbox-logo > :nth-child(2) {
+  -webkit-transform: rotateZ(11deg) rotateX(12deg) rotateY(15deg) scale3d(.6, .6, .6);
+  transform:         rotateZ(11deg) rotateX(12deg) rotateY(15deg) scale3d(.6, .6, .6);
+}
+
+.mathbox-logo > div > div {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  margin-left: -100px;
+  margin-top: -100px;
+  width: 200px;
+  height: 200px;
+  box-sizing: border-box;
+  border-radius: 50%;
+}
+
+.mathbox-logo > div > :nth-child(1) {
+  -webkit-transform: scale(0.5, 0.5);
+  transform:         rotateX(30deg) scale(0.5, 0.5);
+}
+
+.mathbox-logo > div > :nth-child(2) {
+  -webkit-transform: rotateX(90deg) scale(0.42, 0.42);
+  transform:         rotateX(90deg) scale(0.42, 0.42);
+}
+
+.mathbox-logo > div > :nth-child(3) {
+  -webkit-transform: rotateY(90deg) scale(0.35, 0.35);
+  transform:         rotateY(90deg) scale(0.35, 0.35);
+}
+
+.mathbox-logo > :nth-child(1) > :nth-child(1) {
+  border: 16px solid #808080;
+}
+.mathbox-logo > :nth-child(1) > :nth-child(2) {
+  border: 19px solid #A0A0A0;
+}
+.mathbox-logo > :nth-child(1) > :nth-child(3) {
+  border: 23px solid #C0C0C0;
+}
+.mathbox-logo > :nth-child(2) > :nth-child(1) {
+  border: 27px solid #808080;
+}
+.mathbox-logo > :nth-child(2) > :nth-child(2) {
+  border: 32px solid #A0A0A0;
+}
+.mathbox-logo > :nth-child(2) > :nth-child(3) {
+  border: 38px solid #C0C0C0;
+}
+
+.mathbox-splash-blue .mathbox-progress {
+  background: #def;
+}
+.mathbox-splash-blue .mathbox-progress > div {
+  background: #1979e7;
+}
+.mathbox-splash-blue .mathbox-logo > :nth-child(1) > :nth-child(1) {
+  border-color: #1979e7;
+}
+.mathbox-splash-blue .mathbox-logo > :nth-child(1) > :nth-child(2) {
+  border-color: #33b0ff;
+}
+.mathbox-splash-blue .mathbox-logo > :nth-child(1) > :nth-child(3) {
+  border-color: #75eaff;
+}
+.mathbox-splash-blue .mathbox-logo > :nth-child(2) > :nth-child(1) {
+  border-color: #18487F;
+}
+.mathbox-splash-blue .mathbox-logo > :nth-child(2) > :nth-child(2) {
+  border-color: #33b0ff;
+}
+.mathbox-splash-blue .mathbox-logo > :nth-child(2) > :nth-child(3) {
+  border-color: #75eaff;
+}  
+
+
+
+
+.mathbox-overlays {
+  position: absolute;
+  left:   0;
+  top:    0;
+  right:  0;
+  bottom: 0;
+  pointer-events: none;
+  transform-style: preserve-3d;
+  overflow: hidden;
+}
+.mathbox-overlays > div {
+  transform-style: preserve-3d;
+}
+.mathbox-overlay > div {
+  position: absolute;
+  will-change: transform, opacity;
+}
+.mathbox-label {
+  font-family: sans-serif;
+}
+.mathbox-outline-1 {
+  text-shadow:
+    -1px -1px 0px rgb(255, 255, 255),
+     1px  1px 0px rgb(255, 255, 255),
+    -1px  1px 0px rgb(255, 255, 255),
+     1px -1px 0px rgb(255, 255, 255),
+     1px  0px 1px rgb(255, 255, 255),
+    -1px  0px 1px rgb(255, 255, 255),
+     0px -1px 1px rgb(255, 255, 255),
+     0px  1px 1px rgb(255, 255, 255);
+}
+.mathbox-outline-2 {
+  text-shadow:
+     0px -2px 0px rgb(255, 255, 255),
+     0px  2px 0px rgb(255, 255, 255),
+    -2px  0px 0px rgb(255, 255, 255),
+     2px  0px 0px rgb(255, 255, 255),
+    -1px -2px 0px rgb(255, 255, 255),
+    -2px -1px 0px rgb(255, 255, 255),
+    -1px  2px 0px rgb(255, 255, 255),
+    -2px  1px 0px rgb(255, 255, 255),
+     1px  2px 0px rgb(255, 255, 255),
+     2px  1px 0px rgb(255, 255, 255),
+     1px -2px 0px rgb(255, 255, 255),
+     2px -1px 0px rgb(255, 255, 255);
+}
+.mathbox-outline-3 {
+  text-shadow:
+     3px  0px 0px rgb(255, 255, 255),
+    -3px  0px 0px rgb(255, 255, 255),
+     0px  3px 0px rgb(255, 255, 255),
+     0px -3px 0px rgb(255, 255, 255),
+
+    -2px -2px 0px rgb(255, 255, 255),
+    -2px  2px 0px rgb(255, 255, 255),
+     2px  2px 0px rgb(255, 255, 255),
+     2px -2px 0px rgb(255, 255, 255),
+
+    -1px -2px 1px rgb(255, 255, 255),
+    -2px -1px 1px rgb(255, 255, 255),
+    -1px  2px 1px rgb(255, 255, 255),
+    -2px  1px 1px rgb(255, 255, 255),
+     1px  2px 1px rgb(255, 255, 255),
+     2px  1px 1px rgb(255, 255, 255),
+     1px -2px 1px rgb(255, 255, 255),
+     2px -1px 1px rgb(255, 255, 255);
+}
+.mathbox-outline-4 {
+  text-shadow:
+     4px  0px 0px rgb(255, 255, 255),
+    -4px  0px 0px rgb(255, 255, 255),
+     0px  4px 0px rgb(255, 255, 255),
+     0px -4px 0px rgb(255, 255, 255),
+   
+    -3px -2px 0px rgb(255, 255, 255),
+    -3px  2px 0px rgb(255, 255, 255),
+     3px  2px 0px rgb(255, 255, 255),
+     3px -2px 0px rgb(255, 255, 255),
+   
+    -2px -3px 0px rgb(255, 255, 255),
+    -2px  3px 0px rgb(255, 255, 255),
+     2px  3px 0px rgb(255, 255, 255),
+     2px -3px 0px rgb(255, 255, 255),
+   
+    -1px -2px 1px rgb(255, 255, 255),
+    -2px -1px 1px rgb(255, 255, 255),
+    -1px  2px 1px rgb(255, 255, 255),
+    -2px  1px 1px rgb(255, 255, 255),
+     1px  2px 1px rgb(255, 255, 255),
+     2px  1px 1px rgb(255, 255, 255),
+     1px -2px 1px rgb(255, 255, 255),
+     2px -1px 1px rgb(255, 255, 255);
+
+}
+.mathbox-outline-fill, .mathbox-outline-fill * {
+  color: #fff !important;
+}

htdocs/openwebrx.css

@@ -402,6 +402,12 @@ input[type=range]:focus::-ms-fill-upper
     /*transition: left 200ms, width 200ms;*/
 }
 
+#openwebrx-mathbox-container
+{
+	overflow: none;
+	display: none;
+}
+
 #openwebrx-phantom-canvas
 {
 	position: absolute;
@@ -536,7 +542,7 @@ input[type=range]:focus::-ms-fill-upper
 .openwebrx-button
 {
 	background-color: #373737;
-	padding: 5px;
+	padding: 4.2px;
 	border-radius: 5px;
 	-moz-border-radius: 5px;
 	color: White;

htdocs/openwebrx.js

@@ -1100,9 +1100,17 @@ function zoom_calc()
 function resize_waterfall_container(check_init)
 {
 	if(check_init&&!waterfall_setup_done) return;
-	canvas_container.style.height=(window.innerHeight-e("webrx-top-container").clientHeight-e("openwebrx-scale-container").clientHeight).toString()+"px";
+	var numHeight;
-}
+	mathbox_container.style.height=canvas_container.style.height=(numHeight=window.innerHeight-e("webrx-top-container").clientHeight-e("openwebrx-scale-container").clientHeight).toString()+"px";
+	if(mathbox)
+	{
+		//mathbox.three.camera.aspect = document.body.offsetWidth / numHeight;
+  		//mathbox.three.camera.updateProjectionMatrix();
+		mathbox.three.renderer.setSize(document.body.offsetWidth, numHeight);
+		console.log(document.body.offsetWidth, numHeight);
+	}
 
+}
 
 audio_server_output_rate=11025;
 audio_client_resampling_factor=4;
@@ -1553,6 +1561,8 @@ function webrx_set_param(what, value)
 	ws.send("SET "+what+"="+value.toString());
 }
 
+var starting_mute = false;
+
 function parsehash()
 {
 	if(h=window.location.hash)
@@ -1612,6 +1622,8 @@ function audio_preinit()
 
 function audio_init()
 {
+	if(starting_mute) toggleMute();
+
 	if(audio_client_resampling_factor==0) return; //if failed to find a valid resampling factor...
 
 	audio_debug_time_start=(new Date()).getTime();
@@ -1656,6 +1668,7 @@ function audio_init()
 			//window.setTimeout(function(){toggle_panel("openwebrx-panel-log");e("openwebrx-panel-log").style.opacity="1";},1200)
 		}
 	},2000);
+
 }
 
 function on_ws_closed()
@@ -1696,17 +1709,18 @@ function open_websocket()
 	ws.onerror = on_ws_error;
 }
 
-function waterfall_mkcolor(db_value)
+function waterfall_mkcolor(db_value, waterfall_colors_arg)
 {
+	if(typeof waterfall_colors_arg === 'undefined') waterfall_colors_arg = waterfall_colors;
 	if(db_value<waterfall_min_level) db_value=waterfall_min_level;
 	if(db_value>waterfall_max_level) db_value=waterfall_max_level;
 	full_scale=waterfall_max_level-waterfall_min_level;
 	relative_value=db_value-waterfall_min_level;
 	value_percent=relative_value/full_scale;
-	percent_for_one_color=1/(waterfall_colors.length-1);
+	percent_for_one_color=1/(waterfall_colors_arg.length-1);
 	index=Math.floor(value_percent/percent_for_one_color);
 	remain=(value_percent-percent_for_one_color*index)/percent_for_one_color;
-	return color_between(waterfall_colors[index+1],waterfall_colors[index],remain);
+	return color_between(waterfall_colors_arg[index+1],waterfall_colors_arg[index],remain);
 }
 
 function color_between(first, second, percent)
@@ -1749,9 +1763,11 @@ function add_canvas()
 	canvases.push(new_canvas);
 }
 
+
 function init_canvas_container()
 {
 	canvas_container=e("webrx-canvas-container");
+	mathbox_container=e("openwebrx-mathbox-container");
 	canvas_container.addEventListener("mouseout",canvas_container_mouseout, false);
 	//window.addEventListener("mouseout",window_mouseout,false);
 	//document.body.addEventListener("mouseup",body_mouseup,false);
@@ -1817,6 +1833,42 @@ function waterfall_init()
 
 var waterfall_dont_scale=0;
 
+var mathbox_shift = function()
+{
+	if(mathbox_data_current_depth < mathbox_data_max_depth) mathbox_data_current_depth++;
+	if(mathbox_data_index+1>=mathbox_data_max_depth) mathbox_data_index = 0;
+	else mathbox_data_index++;
+	mathbox_data_global_index++;
+}
+
+var mathbox_clear_data = function()
+{
+	mathbox_data_index = 50;
+	mathbox_data_current_depth = 0;
+}
+
+//var mathbox_get_data_line = function(x) //x counts from 0 to mathbox_data_current_depth
+//{
+//	return (mathbox_data_max_depth + mathbox_data_index - mathbox_data_current_depth + x - 1) % mathbox_data_max_depth;
+//}
+//
+//var mathbox_data_index_valid = function(x) //x counts from 0 to mathbox_data_current_depth
+//{
+//	return x<mathbox_data_current_depth;
+//}
+
+var mathbox_get_data_line = function(x)
+{
+	return (mathbox_data_max_depth + mathbox_data_index + x - 1) % mathbox_data_max_depth;
+}
+
+var mathbox_data_index_valid = function(x)
+{
+	return x>mathbox_data_max_depth-mathbox_data_current_depth;
+}
+
+
+
 function waterfall_add(data)
 {
 	if(!waterfall_setup_done) return;
@@ -1893,6 +1945,14 @@ function waterfall_add(data)
 			waterfall_image.data[base+x*4+i] = ((color>>>0)>>((3-i)*8))&0xff;
 	}*/
 
+	if(mathbox_mode==MATHBOX_MODES.WATERFALL)
+	{
+		//Handle mathbox
+		for(var i=0;i<fft_size;i++) mathbox_data[i+mathbox_data_index*fft_size]=data[i];
+		mathbox_shift();
+	}
+	else
+	{
 	//Add line to waterfall image
 	oneline_image = canvas_context.createImageData(w,1);
 	for(x=0;x<w;x++)
@@ -1902,13 +1962,13 @@ function waterfall_add(data)
 			oneline_image.data[x*4+i] = ((color>>>0)>>((3-i)*8))&0xff;
 	}
 
-
 	//Draw image
 	canvas_context.putImageData(oneline_image, 0, canvas_actual_line--);
 	shift_canvases();
 	if(canvas_actual_line<0) add_canvas();
+	}
+
 
-	//divlog("Drawn FFT");
 }
 
 /*
@@ -1938,6 +1998,179 @@ function check_top_bar_congestion()
 
 }
 
+var MATHBOX_MODES =
+{
+	UNINITIALIZED: 0,
+	NONE: 1,
+	WATERFALL: 2,
+	CONSTELLATION: 3
+};
+var mathbox_mode = MATHBOX_MODES.UNINITIALIZED;
+var mathbox;
+var mathbox_element;
+
+function mathbox_init()
+{
+	//mathbox_waterfall_history_length is defined in the config
+	mathbox_data_max_depth = fft_fps * mathbox_waterfall_history_length; //how many lines can the buffer store
+	mathbox_data_current_depth = 0; //how many lines are in the buffer currently
+	mathbox_data_index = 0; //the index of the last empty line / the line to be overwritten
+	mathbox_data = new Float32Array(fft_size * mathbox_data_max_depth);
+	mathbox_data_global_index = 0;
+	mathbox_correction_for_z = 0;
+
+	mathbox = mathBox({
+      plugins: ['core', 'controls', 'cursor', 'stats'],
+      controls: { klass: THREE.OrbitControls },
+    });
+    three = mathbox.three;
+
+    three.renderer.setClearColor(new THREE.Color(0x808080), 1.0);
+	mathbox_container.appendChild((mathbox_element=three.renderer.domElement));
+    view = mathbox
+    .set({
+      scale: 1080,
+      focus: 3,
+    })
+    .camera({
+      proxy: true,
+      position: [-2, 1, 3],
+    })
+    .cartesian({
+      range: [[-1, 1], [0, 1], [0, 1]],
+      scale: [2, 2/3, 1],
+    });
+
+    view.axis({
+      axis: 1,
+      width: 3,
+	  color: "#fff",
+  });
+    view.axis({
+      axis: 2,
+      width: 3,
+	  color: "#fff",
+	  //offset: [0, 0, 0],
+  });
+    view.axis({
+      axis: 3,
+      width: 3,
+	  color: "#fff",
+  });
+
+    view.grid({
+      width: 2,
+      opacity: 0.5,
+      axes: [1, 3],
+      zOrder: 1,
+	  color: "#fff",
+    });
+
+    //var remap = function (v) { return Math.sqrt(.5 + .5 * v); };
+
+
+	var remap = function(x,z,t)
+	{
+		var currentTimePos = mathbox_data_global_index/(fft_fps*1.0);
+		var realZAdd = (-(t-currentTimePos)/mathbox_waterfall_history_length);
+		var zAdd = realZAdd - mathbox_correction_for_z;
+		if(zAdd<-0.2 || zAdd>0.2) { mathbox_correction_for_z = realZAdd; }
+
+		var xIndex = Math.trunc(((x+1)/2.0)*fft_size); //x: frequency
+		var zIndex = Math.trunc(z*(mathbox_data_max_depth-1)); //z: time
+		var realZIndex = mathbox_get_data_line(zIndex);
+		if(!mathbox_data_index_valid(zIndex)) return {y: undefined, dBValue: undefined, zAdd: 0 };
+		//if(realZIndex>=(mathbox_data_max_depth-1)) console.log("realZIndexundef", realZIndex, zIndex);
+		var index = Math.trunc(xIndex + realZIndex * fft_size);
+		/*if(mathbox_data[index]==undefined) console.log("Undef", index, mathbox_data.length, zIndex,
+				realZIndex, mathbox_data_max_depth,
+				mathbox_data_current_depth, mathbox_data_index);*/
+		var dBValue = mathbox_data[index];
+		//y=1;
+		if(dBValue>waterfall_max_level) y = 1;
+		else if(dBValue<waterfall_min_level) y = 0;
+		else y = (dBValue-waterfall_min_level)/(waterfall_max_level-waterfall_min_level);
+		mathbox_dbg = { dbv: dBValue, indexval: index, mbd: mathbox_data.length, yval: y };
+		if(!y) y=0;
+		return {y: y, dBValue: dBValue, zAdd: zAdd};
+	}
+
+    var points = view.area({
+      expr: function (emit, x, z, i, j, t) {
+		var y;
+		remapResult=remap(x,z,t);
+		if((y=remapResult.y)==undefined) return;
+        emit(x, y, z+remapResult.zAdd);
+      },
+      width:  mathbox_waterfall_frequency_resolution,
+      height: mathbox_data_max_depth - 1,
+      channels: 3,
+      axes: [1, 3],
+    });
+
+    var colors = view.area({
+      expr: function (emit, x, z, i, j, t) {
+		var dBValue;
+		if((dBValue=remap(x,z,t).dBValue)==undefined) return;
+		var color=waterfall_mkcolor(dBValue, mathbox_waterfall_colors);
+        var b = (color&0xff)/255.0;
+        var g = ((color&0xff00)>>8)/255.0;
+        var r = ((color&0xff0000)>>16)/255.0;
+        emit(r, g, b, 1.0);
+      },
+      width:  mathbox_waterfall_frequency_resolution,
+      height: mathbox_data_max_depth - 1,
+      channels: 4,
+      axes: [1, 3],
+    });
+
+    view.surface({
+      shaded: true,
+      points: '<<',
+      colors: '<',
+      color: 0xFFFFFF,
+    });
+
+    view.surface({
+      fill: false,
+      lineX: false,
+      lineY: false,
+      points: '<<',
+      colors: '<',
+      color: 0xFFFFFF,
+      width: 2,
+      blending: 'add',
+      opacity: .25,
+      zBias: 5,
+    });
+	mathbox_mode = MATHBOX_MODES.NONE;
+
+	//mathbox_element.style.width="100%";
+	//mathbox_element.style.height="100%";
+
+}
+
+function mathbox_toggle()
+{
+
+	if(mathbox_mode == MATHBOX_MODES.UNINITIALIZED) mathbox_init();
+	mathbox_mode = (mathbox_mode == MATHBOX_MODES.NONE) ? MATHBOX_MODES.WATERFALL : MATHBOX_MODES.NONE;
+	mathbox_container.style.display = (mathbox_mode == MATHBOX_MODES.WATERFALL) ? "block" : "none";
+	mathbox_clear_data();
+	waterfall_clear();
+}
+
+function waterfall_clear()
+{
+	while(canvases.length) //delete all canvases
+	{
+		var x=canvases.shift();
+		x.parentNode.removeChild(x);
+		delete x;
+	}
+	add_canvas();
+}
+
 function openwebrx_resize()
 {
 	resize_canvases();

openwebrx.py

@@ -427,6 +427,7 @@ class WebRXHandler(BaseHTTPRequestHandler):
             # there's even another cool tip at http://stackoverflow.com/questions/4419650/how-to-implement-timeout-in-basehttpserver-basehttprequesthandler-python
             #if self.path[:5]=="/lock": cma("do_GET /lock/") # to test mutex_watchdog_thread. Do not uncomment in production environment!
             if self.path[:4]=="/ws/":
+                print "[openwebrx-ws] Client requested WebSocket connection"
                 if receiver_failed: self.send_error(500,"Internal server error")
                 try:
                     # ========= WebSocket handshake  =========
@@ -686,7 +687,10 @@ class WebRXHandler(BaseHTTPRequestHandler):
                         ("%[WATERFALL_MIN_LEVEL]",str(cfg.waterfall_min_level)),
                         ("%[WATERFALL_MAX_LEVEL]",str(cfg.waterfall_max_level)),
                         ("%[WATERFALL_AUTO_LEVEL_MARGIN]","[%d,%d]"%cfg.waterfall_auto_level_margin),
-                        ("%[DIGIMODES_ENABLE]",("true" if cfg.digimodes_enable else "false"))
+                        ("%[DIGIMODES_ENABLE]",("true" if cfg.digimodes_enable else "false")),
+                        ("%[MATHBOX_WATERFALL_FRES]",str(cfg.mathbox_waterfall_frequency_resolution)),
+                        ("%[MATHBOX_WATERFALL_THIST]",str(cfg.mathbox_waterfall_history_length)),
+                        ("%[MATHBOX_WATERFALL_COLORS]",cfg.mathbox_waterfall_colors)
                     )
                     for rule in replace_dictionary:
                         while data.find(rule[0])!=-1: