distabce filter to 3D reference object

pom.xml

@@ -14,7 +14,7 @@
 	 -->
 	<groupId>embl.almf</groupId>
 	<artifactId>AutoMicTools_</artifactId>
-	<version>1.1.17-SNAPSHOT</version>
+	<version>1.1.18-SNAPSHOT</version>
 
 	<name>plugins/AutoMicTools_.jar</name>
 	<description>Collection of tools for automated (feedback) microscopy data acquisition and analysis</description>

src/main/java/automic/utils/roi/RoiFilter3D.java

@@ -290,6 +290,31 @@ public class RoiFilter3D {
 		
 	}
 	
+	public void filterDistanceRefObject(Object3D _referenceObject, double _minDistance,double _maxDistance,boolean _inPixels){
+		if (_referenceObject==null){
+			if (Double.isInfinite(_maxDistance))
+				return;
+			else{
+				this.setAllPassedFlags(false);
+				return;
+			}
+		}
+		
+		double distance;
+		Object3D targetObject;
+		for (int i=0;i<nObj;i++){
+			if (Passed[i]){//check only those ROIs which were not filtered out before
+				targetObject=objects.getObject(i);
+				if (_inPixels)
+					distance=targetObject.distBorderPixel(_referenceObject);
+				else
+					distance=targetObject.distBorderUnit(_referenceObject);
+				Passed[i]=(distance>=_minDistance)&&(distance<=_maxDistance);
+			}
+		}
+		
+	}
+	
 	private void setAllPassedFlags(boolean _value){
 		for (int i=0;i<nObj;i++)
 			Passed[i]=_value;