diff --git a/zoneb/bin/data/settings.xml b/zoneb/bin/data/settings.xml
index 7b3eb0d..2f2ccc1 100644
--- a/zoneb/bin/data/settings.xml
+++ b/zoneb/bin/data/settings.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <ZONE_B>
-	<XY>-195.918, -220.408</XY>
+	<XY>36.7347, 8.16327</XY>
 	<scale>1.869</scale>
 	<device>video3</device>
 </ZONE_B>
diff --git a/zoneb/bin/data/shaders/bound.frag b/zoneb/bin/data/shaders/bound.frag
index 00bd4e3..79c4db8 100644
--- a/zoneb/bin/data/shaders/bound.frag
+++ b/zoneb/bin/data/shaders/bound.frag
@@ -8,6 +8,10 @@ uniform sampler2DRect   u_v4l2cam;
 uniform sampler2DRect   u_buffer0;
 uniform sampler2DRect   u_buffer1;
 
+uniform bool        u_calib;
+uniform vec2        u_calibXY;
+uniform float       u_calibScale;
+
 uniform vec2        u_resolution;
 uniform vec2        u_mouse;
 uniform float       u_time;
@@ -172,25 +176,17 @@ void main() {
   gl_FragColor = texture(u_buffer0, st);
 #else
   // Main Buffer
-  vec2 st2 = st + vec2(simplex3d_fractal(vec3(st/200,u_time/4)), simplex3d_fractal(vec3(u_time/4,st.ts/200))) * 40;
-  vec3 dispColor = vec3(0, 0, 0);
-  vec4 pointCloudColor = texture(u_ofcam, st); 
-
-  // float maxVal = 0;
-  // float minVal = 1;
-  // for (int i=0; i < 9; i++){
-  //   float tmp = texture(u_buffer1, st2 + offset[i]/2).r > 0.5 ? 1 : 0;
-  //   maxVal = max(maxVal, tmp);
-  //   minVal = min(minVal, tmp);
-  // }
-
-  // if(maxVal - minVal >= 0.5) {
-  //   dispColor.rgb = vec3(1);
-  // }
-
-  // gl_FragColor = vec4(dispColor, 1.0);
-  // gl_FragColor.rgb += pointCloudColor.rgb; // not good
-  gl_FragColor = vec4(mix(vec3(0), pointCloudColor.rgb, pointCloudColor.a), 1.0);
+  if (u_calib) {
+    vec4 depth = texture(u_depth, st);
+    depth.r *= 100;
+    depth.a = 0;
+    vec4 v4l2 = texture(u_v4l2cam, st);
+    gl_FragColor = depth + v4l2;
+  }
+  else {
+    vec4 pointCloudColor = texture(u_ofcam, st); 
+    gl_FragColor = vec4(mix(vec3(0), pointCloudColor.rgb, pointCloudColor.a), 1.0);
+  }
 
 #endif
 
diff --git a/zoneb/bin/data/shaders/particles/draw.frag b/zoneb/bin/data/shaders/particles/draw.frag
index 346fc48..9caabf1 100755
--- a/zoneb/bin/data/shaders/particles/draw.frag
+++ b/zoneb/bin/data/shaders/particles/draw.frag
@@ -102,7 +102,8 @@ void main()
   vec3 remapedColorW = texture(warm1, palette).xyz;
   vec3 remapedColorC = texture(cold2, palette).xyz;
   float d = 50;
-  float rate = smoothstep(500 - d, 500 + d, length(vPos.x - uHottest3d1.x) + simplex3d(vPos * vec3(0.001, 0.001, 0.1)) * 100);
+  float D = 400;
+  float rate = smoothstep(D - d, D + d, length(vPos.x - uHottest3d1.x) + simplex3d(vPos * vec3(0.001, 0.001, 0.1)) * 100);
   vec3 remapedColor = mix(remapedColorW, remapedColorC, rate);
   float alpha = max(0, 1 - pow(vAge,4));
   
diff --git a/zoneb/src/ofApp.cpp b/zoneb/src/ofApp.cpp
index c979eec..732befa 100644
--- a/zoneb/src/ofApp.cpp
+++ b/zoneb/src/ofApp.cpp
@@ -130,6 +130,7 @@ void ofApp::setupGui()
   gui.setPosition(10, 10);
 
   debugGui.setup("DEBUG");
+  debugGui.add(calibMode.setup("calib", false));
   debugGui.add(dummyMode.setup("dummy", true));                      // should be false
   debugGui.add(dummyXY.setup("XY", {256, 256}, {0, 0}, {511, 511})); // should be false
   debugGui.add(debugFps.setup("FPS", "0"));
@@ -191,8 +192,8 @@ void ofApp::updateThermal()
     {
       for (int j = 0; j < 512; j++)
       {
-        int x = j * registrationScale + registrationXY->x;
-        int y = i * registrationScale + registrationXY->y;
+        int x = (j - 256) * registrationScale + 256 + registrationXY->x;
+        int y = (i - 256) * registrationScale + 256 + registrationXY->y;
         if (ofInRange(x, 0, camWidth - 1) == false || ofInRange(y, 0, camHeight - 1) == false)
         {
           continue;
@@ -288,6 +289,9 @@ void ofApp::drawMain()
   boundShader.setUniformTexture("u_depth", tex);
   boundShader.setUniformTexture("u_ofcam", fbos.at("ofcam"));
   boundShader.setUniformTexture("u_v4l2cam", v4l2Tex);
+  boundShader.setUniform1i("u_calib", calibMode == true ? 1 : 0);
+  boundShader.setUniform2f("u_calibXY", registrationXY);
+  boundShader.setUniform1f("u_calibScale", registrationScale);
   boundShader.setUniform1i("u_init", 1);
   boundShader.render();
   boundShader.setUniform1i("u_init", 0);
diff --git a/zoneb/src/ofApp.h b/zoneb/src/ofApp.h
index 0109791..c71f059 100644
--- a/zoneb/src/ofApp.h
+++ b/zoneb/src/ofApp.h
@@ -68,6 +68,7 @@ private:
 	ofxInputField<std::string> captureDeviceName;
 	ofxPanel gui;
 
+  ofxToggle calibMode;
   ofxToggle dummyMode;
   ofxVec2Slider dummyXY;
   ofxLabel debugFps;