diff --git a/pde/IF3Si/IF3Si.pde b/pde/IF3Si/IF3Si.pde
index 759d1b0..b27616f 100644
--- a/pde/IF3Si/IF3Si.pde
+++ b/pde/IF3Si/IF3Si.pde
@@ -63,11 +63,13 @@ int tilesOverlap;
 boolean testPictureToggle = false;
 PFont testFont;
 
+// testPattern
+boolean testPatternToggle = false;
+
+
 // fps
 PFont fpsFont;
 
-// testPattern
-boolean testPatternToggle = false;
 
 // siLines
 ArrayList<FloatList> siLinesData;
@@ -152,12 +154,13 @@ void setup() { // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
   fpsFont = createFont("Ubuntu Mono", 16);
 
 
-  // siLines
   
 
 
-
 }
+
+
+
 //////////////////////////////////////////////////////////////////////////////
 void draw() { // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
@@ -206,6 +209,8 @@ void draw() { // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
 
   // test pattern```````````````````````````````````````````````````|
+  
+
   testPattern(testPatternToggle, // boolean(0), // on/off
               2, 0, // img bank & ID
               255, // image alpha
diff --git a/pde/IF3Si/functions.pde b/pde/IF3Si/functions.pde
index 62b00e1..8f86ed0 100644
--- a/pde/IF3Si/functions.pde
+++ b/pde/IF3Si/functions.pde
@@ -215,8 +215,3 @@ void textureSphere(PGraphics pg, float rx, float ry, float rz, PImage t) {
 
 
 
-
-
-
-// TOOLS    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
diff --git a/pde/IF3Si/getLinesData.pde b/pde/IF3Si/getLinesData.pde
index c9e4131..2a491b8 100644
--- a/pde/IF3Si/getLinesData.pde
+++ b/pde/IF3Si/getLinesData.pde
@@ -12,7 +12,20 @@
 
 ArrayList<FloatList> getLinesData() {
 
+  float[][] colors = { // these are taken from http://astro.u-strasbg.fr/~koppen/discharge/discharge.html
+                { 3800.0,        0,   0,   0},  
+                { 4000.0,      150,   0, 150},  
+                { 4400.0,      120,   0, 255},  // violet
+                { 4500.0,        0,   0, 255},  // blue
+                { 4800.0,        0, 255, 255},  // cyan
+                { 5200.0,        0, 255,   0},  // green
+                { 5800.0,      255, 255,   0},  // yellow
+                { 6500.0,      255,   0,   0},  // red
+                { 7000.0,       80,   0,   0},
+                { 7300.0,        0,   0,   0} };
+
   String[] siLinesData;
+  int threshold = 400;
   siLinesData = loadStrings(dataPath(sketchPath + "/silicon_lines.txt"));
 
   ArrayList<FloatList> siLinesList = new ArrayList<FloatList>();  
@@ -28,17 +41,58 @@ ArrayList<FloatList> getLinesData() {
         data_x.append(float(datatemp[i]));
       }
     }
+
+    // process data - add rgb values
+
+    //println(data_x.get(0));
+    float wavelength = data_x.get(0);
+    for (int i = 0; i < colors.length; i++){
+      float thisboundary = colors[i][0];
+      if (i+1 < colors.length){
+        float nextboundary = colors[i+1][0];
+        if(wavelength > thisboundary && wavelength < nextboundary) {
+          int red   = round(colors[i][1] + ( ( (colors[i+1][1] - colors[i][1]) / (colors[i+1][0] - colors[i][0]) )
+                                               * (wavelength - colors[i][0]) ));
+          int green = round(colors[i][2] + ( ( (colors[i+1][2] - colors[i][2]) / (colors[i+1][0] - colors[i][0]) )
+                                               * (wavelength - colors[i][0]) ));
+          int blue  = round(colors[i][3] + ( ( (colors[i+1][3] - colors[i][3]) / (colors[i+1][0] - colors[i][0]) )
+                                               * (wavelength - colors[i][0]) ));
+          data_x.append(red);
+          data_x.append(green);
+          data_x.append(blue);
+          
+          
+        }
+      }
+    }
+    
     printArray(data_x);
+
+
     siLinesList.add(data_x);
-
-  }
-
-  for(int i = 0; i < siLinesList.size(); i ++) {
-    println(siLinesList.get(i).get(0));
-    float wavelength = siLinesList.get(i).get(0);
-    float intensity =  siLinesList.get(i).get(1);
+    
     
   }
+
+
+
+
+  
+  // for(int i = 0; i < siLinesList.size(); i ++) {
+  //   //println(siLinesList.get(i).get(0));
+  //   float wavelength = siLinesList.get(i).get(0);
+  //   float intensity =  siLinesList.get(i).get(1);
+
+  //   if(intensity > threshold && wavelength < 6741 && wavelength > 3950) {
+  //            // (item[1].asInt > threshold) && (item[0].asInt < 6741) && (item[0].asInt > 3950), {
+
+  //     println(wavelength + " " + intensity);  
+
+  //   }
+
+    
+    
+  // }
   
   //printArray(siLinesList);