diff --git a/hoverbrettvisualizer/Visualization.pde b/hoverbrettvisualizer/Visualization.pde
index f1d2b5a..1181579 100644
--- a/hoverbrettvisualizer/Visualization.pde
+++ b/hoverbrettvisualizer/Visualization.pde
@@ -255,7 +255,9 @@ public class Tacho extends Visualization {
 
 public class Direction extends Visualization {
   int size;
-  float angleoffset=0;
+  float angleoffset;
+  float minvisiblevalue;
+  float maxvisiblevalue;
   
   public Direction(int px, int py, int psize,float pvmin, float pvmax, float pvlmin, float pvlmax, float pangleoffset) {
     super.valueMin=pvmin;
@@ -267,6 +269,24 @@ public class Direction extends Visualization {
     super.value2Max=pvlmax;
     
     this.angleoffset=pangleoffset;
+    
+    this.minvisiblevalue=valueMin;
+    this.maxvisiblevalue=valueMax;
+  }
+  
+  public Direction(int px, int py, int psize,float pvmin, float pvmax, float pvlmin, float pvlmax, float pangleoffset, float pminvisiblevalue, float pmaxvisiblevalue) {
+    super.valueMin=pvmin;
+    super.valueMax=pvmax;
+    super.posOrigin= new PVector(px,py); //center
+    this.size = psize; //radius from the center
+    
+    super.value2Min=pvlmin;
+    super.value2Max=pvlmax;
+    
+    this.angleoffset=pangleoffset;
+    
+    this.minvisiblevalue=pminvisiblevalue;
+    this.maxvisiblevalue=pmaxvisiblevalue;
   }
   
   
@@ -276,8 +296,12 @@ public class Direction extends Visualization {
     textSize(super.textsize);
     
     stroke(super.cborder); noFill();
-    ellipseMode(RADIUS);  //centerx, centery, width,height for ellipse
-    ellipse(super.posOrigin.x, super.posOrigin.y, this.size,this.size);
+    if (this.minvisiblevalue==super.valueMin & this.maxvisiblevalue==super.valueMax) {
+      ellipseMode(RADIUS);  //centerx, centery, width,height for ellipse
+      ellipse(super.posOrigin.x, super.posOrigin.y, this.size,this.size);
+    }else{
+      arc(super.posOrigin.x, super.posOrigin.y, this.size*2,this.size*2, 0+this.angleoffset-PI, 2*PI+this.angleoffset-PI, PIE);
+    }
     
     stroke(super.cmain);
     float angle=map(super.getValueNormalized(),0,1,0,2*PI)+this.angleoffset;
@@ -301,6 +325,8 @@ public class Direction extends Visualization {
 }
 
 
+
+
 public class GraphRoll extends Visualization {
   PVector size;
   float[] valuearray;
@@ -390,4 +416,4 @@ public class GraphRoll extends Visualization {
     text(super.title, super.posOrigin.x, super.posOrigin.y+super.textsize*1.5);
   }
 }
-  
\ No newline at end of file
+  
diff --git a/visualizationtest/Visualization.pde b/visualizationtest/Visualization.pde
index f1d2b5a..1181579 100644
--- a/visualizationtest/Visualization.pde
+++ b/visualizationtest/Visualization.pde
@@ -255,7 +255,9 @@ public class Tacho extends Visualization {
 
 public class Direction extends Visualization {
   int size;
-  float angleoffset=0;
+  float angleoffset;
+  float minvisiblevalue;
+  float maxvisiblevalue;
   
   public Direction(int px, int py, int psize,float pvmin, float pvmax, float pvlmin, float pvlmax, float pangleoffset) {
     super.valueMin=pvmin;
@@ -267,6 +269,24 @@ public class Direction extends Visualization {
     super.value2Max=pvlmax;
     
     this.angleoffset=pangleoffset;
+    
+    this.minvisiblevalue=valueMin;
+    this.maxvisiblevalue=valueMax;
+  }
+  
+  public Direction(int px, int py, int psize,float pvmin, float pvmax, float pvlmin, float pvlmax, float pangleoffset, float pminvisiblevalue, float pmaxvisiblevalue) {
+    super.valueMin=pvmin;
+    super.valueMax=pvmax;
+    super.posOrigin= new PVector(px,py); //center
+    this.size = psize; //radius from the center
+    
+    super.value2Min=pvlmin;
+    super.value2Max=pvlmax;
+    
+    this.angleoffset=pangleoffset;
+    
+    this.minvisiblevalue=pminvisiblevalue;
+    this.maxvisiblevalue=pmaxvisiblevalue;
   }
   
   
@@ -276,8 +296,12 @@ public class Direction extends Visualization {
     textSize(super.textsize);
     
     stroke(super.cborder); noFill();
-    ellipseMode(RADIUS);  //centerx, centery, width,height for ellipse
-    ellipse(super.posOrigin.x, super.posOrigin.y, this.size,this.size);
+    if (this.minvisiblevalue==super.valueMin & this.maxvisiblevalue==super.valueMax) {
+      ellipseMode(RADIUS);  //centerx, centery, width,height for ellipse
+      ellipse(super.posOrigin.x, super.posOrigin.y, this.size,this.size);
+    }else{
+      arc(super.posOrigin.x, super.posOrigin.y, this.size*2,this.size*2, 0+this.angleoffset-PI, 2*PI+this.angleoffset-PI, PIE);
+    }
     
     stroke(super.cmain);
     float angle=map(super.getValueNormalized(),0,1,0,2*PI)+this.angleoffset;
@@ -301,6 +325,8 @@ public class Direction extends Visualization {
 }
 
 
+
+
 public class GraphRoll extends Visualization {
   PVector size;
   float[] valuearray;
@@ -390,4 +416,4 @@ public class GraphRoll extends Visualization {
     text(super.title, super.posOrigin.x, super.posOrigin.y+super.textsize*1.5);
   }
 }
-  
\ No newline at end of file
+  
diff --git a/visualizationtest/visualizationtest.pde b/visualizationtest/visualizationtest.pde
index bfc921a..f3de9b1 100644
--- a/visualizationtest/visualizationtest.pde
+++ b/visualizationtest/visualizationtest.pde
@@ -1,6 +1,6 @@
-float rawvalue=50;
+float rawvalue=0;
 float xoff = 0.0;
-float xoff2 = 25532.32;
+float xoff2 = 0;
 
 
 Visualization vis;
@@ -12,8 +12,9 @@ void setup() {
   //vis = new BarV(150,150,10,100,0,100);
   //vis = new BarH(150,150,100,10,0,100);
   //vis = new Tacho(150,150,100,0,100);
-  //vis = new Direction(150,150,100,0,100,0,1,PI/2);
-  vis = new GraphRoll(150,150,200,100,0,100, 1);
+  //vis = new Direction(150,150,100,-127/30*360,127/30*360,0,2000,PI/2+PI);
+  vis = new Direction(150,150,100,-127/30*360,127/30*360,0,2000,PI/2+PI, 0,2*PI); //uses arc
+  //vis = new GraphRoll(150,150,200,100,0,100, 1);
   
   vis.setShowMinMax(false);
   vis.setTitle("Testwert");
@@ -21,16 +22,16 @@ void setup() {
 
 void draw() {
   background(255);
-  //rawvalue +=random(-10,10);
-  //rawvalue = constrain(rawvalue, 0,100);
-  xoff += 0.01;
+  rawvalue +=random(-10,10);
+  rawvalue = constrain(rawvalue, -127,100);
+  //xoff += 0.01;
   xoff2 += 0.004;
-  rawvalue=noise(xoff) * 100;
+  //rawvalue=noise(xoff) * 100;
   
   vis.setValue(rawvalue);
   
   //for direction with length
-  //vis.setValue2(noise(xoff2));
+  vis.setValue2(noise(xoff2)*2000);
   
   
   vis.drawVis();