diff --git a/show_interior_samples.py b/show_interior_samples.py
index 867a597a..559c7a74 100755
--- a/show_interior_samples.py
+++ b/show_interior_samples.py
@@ -7,6 +7,7 @@
 
 import OpenGL.GL as gl
 import pypangolin as pango
+import numpy as np
 
 if __name__ == "__main__":
 
@@ -19,6 +20,19 @@
     data = deep_sdf.data.read_sdf_samples_into_ram(npz_filename)
 
     xyz_neg = data[1][:, 0:3].numpy().astype(ctypes.c_float)
+    sdf_neg = data[1][:, 3].numpy().astype(ctypes.c_float)
+    rgb_neg = np.zeros_like(xyz_neg).astype(ctypes.c_float)
+
+    xyz_pos = data[0][:, 0:3].numpy().astype(ctypes.c_float)
+    sdf_pos = data[0][:, 3].numpy().astype(ctypes.c_float)
+    rgb_pos = np.zeros_like(xyz_pos).astype(ctypes.c_float)
+
+    s = 10.
+    rgb_neg[:,0] = np.minimum(s*sdf_neg / sdf_neg.min(), np.ones_like(sdf_neg))
+    rgb_neg[:,1] = 1. - rgb_neg[:,0]
+    
+    rgb_pos[:,2] = np.minimum( s*sdf_pos / sdf_pos.max(), np.ones_like(sdf_pos))
+    rgb_pos[:,1] = 1. - rgb_pos[:,2]
 
     win = pango.CreateWindowAndBind("Interior Samples | " + npz_filename, 640, 480)
     gl.glEnable(gl.GL_DEPTH_TEST)
@@ -49,16 +63,25 @@
         gl.glClear(gl.GL_COLOR_BUFFER_BIT + gl.GL_DEPTH_BUFFER_BIT)
         d_cam.Activate(s_cam)
 
-        gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
-
-        gl.glColor3ub(255, 255, 255)
 
+        gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
+        gl.glEnableClientState(gl.GL_COLOR_ARRAY)
         gl.glVertexPointer(
             3, gl.GL_FLOAT, 0, xyz_neg.ctypes.data_as(ctypes.POINTER(ctypes.c_float))
         )
-
+        gl.glColorPointer(
+            3, gl.GL_FLOAT, 0, rgb_neg.ctypes.data_as(ctypes.POINTER(ctypes.c_float))
+        )
         gl.glDrawArrays(gl.GL_POINTS, 0, xyz_neg.shape[0])
 
+        gl.glVertexPointer(
+            3, gl.GL_FLOAT, 0, xyz_pos.ctypes.data_as(ctypes.POINTER(ctypes.c_float))
+        )
+        gl.glColorPointer(
+            3, gl.GL_FLOAT, 0, rgb_pos.ctypes.data_as(ctypes.POINTER(ctypes.c_float))
+        )
+        gl.glDrawArrays(gl.GL_POINTS, 0, xyz_pos.shape[0])
+        gl.glDisableClientState(gl.GL_COLOR_ARRAY)
         gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
 
         pango.FinishFrame()