Added suggestions for manual screws (handling motors out of range)

src/main/java/Aberration_Calibration.java

@@ -4544,6 +4544,12 @@ if (MORE_BUTTONS) {
 					return;
 				}
 			}
+			// Just for old focal distance calculation
+			MOTORS.focusingHistory.optimalMotorPosition( // recalculate calibration to estimate current distance from center PSF
+					FOCUS_MEASUREMENT_PARAMETERS,
+	    			MOTORS.getMicronsPerStep(), //double micronsPerStep,
+	    			DEBUG_LEVEL);
+			
 			while (adjustFocusTiltLMA());
 			return;
 		}
@@ -8698,10 +8704,12 @@ if (MORE_BUTTONS) {
 /* ===== Other methods ==================================================== */
 	public boolean adjustFocusTiltLMA(){
 		// just for reporting distance old way
+/*		
 		MOTORS.focusingHistory.optimalMotorPosition( // recalculate calibration to estimate current distance from center PSF
 				FOCUS_MEASUREMENT_PARAMETERS,
     			MOTORS.getMicronsPerStep(), //double micronsPerStep,
     			DEBUG_LEVEL);
+*/    			
 		// No-move measure, add to history
 		moveAndMaybeProbe(
 				true, // just move, not probe
@@ -8724,7 +8732,7 @@ if (MORE_BUTTONS) {
 		//get measurement
 		FocusingField.FocusingFieldMeasurement fFMeasurement=MOTORS.getThisFFMeasurement(FOCUSING_FIELD);	
 		// calculate z, tx, ty, m1,m2,m3
-	    double [] zTxTyM1M2M3 = FOCUSING_FIELD.adjustLMA (fFMeasurement);
+	    double [] zTxTyM1M2M3 = FOCUSING_FIELD.adjustLMA(fFMeasurement,false);
 		// show dialog: Apply, re-calculate, exit
     	int [] currentMotors=fFMeasurement.motors;
     	int [] newMotors=currentMotors.clone();
@@ -8738,15 +8746,47 @@ if (MORE_BUTTONS) {
     		zTxTy[2]=zTxTyM1M2M3[2];
     	}
     	double [] targetTilts={0.0,0.0};
+    	double [] manualScrewsCW=null;
+    	if (zTxTyM1M2M3!=null){
+    		manualScrewsCW=FOCUSING_FIELD.fieldFitting.mechanicalFocusingModel. getManualScrews(
+    				zTxTy[0]-FOCUSING_FIELD.targetRelFocalShift, //double zErr, // positive - away from lens
+    				zTxTy[1]-targetTilts[0],                     // double tXErr,// positive - 1,2 away from lens, 3 - to the lens
+    				zTxTy[2]-targetTilts[1]);                    // double tYErr);
+    	}
     	double scaleMovement=1.0; // calculate automatically - reduce when close
+    	boolean parallelMove=false;
+    	if (MASTER_DEBUG_LEVEL>0){
+    		System.out.println("----- Focus/tilt measurement results -----");
+    		System.out.println("Relative focal shift "+IJ.d2s(zTxTy[0],3)+" um ("+IJ.d2s(FOCUSING_FIELD.targetRelFocalShift,3)+"um)");
+    		System.out.println("Horizontal tilt "+IJ.d2s(zTxTy[1],3)+" um/mm ("+IJ.d2s(targetTilts[0],3)+"um/mm)");
+    		System.out.println("Vertical tilt "+IJ.d2s(zTxTy[2],3)+" um/mm ("+IJ.d2s(targetTilts[1],3)+"um/mm)");
+    		for (int i=0;i<newMotors.length;i++){
+        		System.out.println("Suggested for motor "+(i+1)+" "+newMotors[i]+" ("+currentMotors[i]+")");
+    		}
+    		if (manualScrewsCW!=null) for (int i=0;i<manualScrewsCW.length;i++){
+    			if (manualScrewsCW[i]>=0) System.out.println("Suggested rotation for screw # "+(i+1)+" "+IJ.d2s(manualScrewsCW[i],3)+" (CW)");
+    			else  System.out.println("Suggested rotation for screw # "+(i+1)+" "+IJ.d2s(manualScrewsCW[i],3)+" (CCW)");
+    		}
+    		System.out.println("----- end of Focus/tilt measurement results -----");
+    	}
     	GenericDialog gd = new GenericDialog("Adjusting focus/tilt");
+    	if (zTxTyM1M2M3==null){
+    		gd.addMessage("**** Failed to determine focus/tilt, probably too far out of focus. ****");
+    		gd.addMessage("**** You may cancel the command and try \"Auto pre-focus\" first. ****");
+    	}
         gd.addNumericField("Target focus (relative to best composirte)",FOCUSING_FIELD.targetRelFocalShift,2,5,"um ("+IJ.d2s(zTxTy[0],3)+")");
         gd.addNumericField("Target horizontal tilt (normally 0)",targetTilts[0],2,5,"um/mm ("+IJ.d2s(zTxTy[1],3)+")");
         gd.addNumericField("Target vertical tilt (normally 0)",targetTilts[1],2,5,"um/mm ("+IJ.d2s(zTxTy[2],3)+")");
 		gd.addNumericField("Motor 1",newMotors[0],0,5,"steps ("+currentMotors[0]+")");
 		gd.addNumericField("Motor 2",newMotors[1],0,5,"steps ("+currentMotors[1]+")");
 		gd.addNumericField("Motor 3",newMotors[2],0,5,"steps ("+currentMotors[2]+")");
+		gd.addMessage("Suggested rotation of the top screws, use if motor positions are out of limits - outside of +/-25,000");
+		if (manualScrewsCW!=null)  for (int i=0;i<manualScrewsCW.length;i++){
+			if (manualScrewsCW[i]>=0) gd.addMessage("Screw # "+(i+1)+" "+IJ.d2s(manualScrewsCW[i],3)+" (CW)");
+			else                      gd.addMessage("Screw # "+(i+1)+" "+IJ.d2s(manualScrewsCW[i],3)+" (CCW)");
+		}
 		gd.addNumericField("Scale movement",scaleMovement,3,5,"x");
+        gd.addCheckbox("Recalculate and apply parallel move only",parallelMove); // should be false after manual movement
 		
         gd.addCheckbox("Filter samples/channels by Z",FOCUSING_FIELD.filterZ); // should be false after manual movement
         gd.addCheckbox("Filter by value (leave lower than maximal fwhm used in focal scan mode)",FOCUSING_FIELD.filterByScanValue);
@@ -8773,7 +8813,7 @@ if (MORE_BUTTONS) {
 		newMotors[1]=               (int)  gd.getNextNumber();
 		newMotors[2]=               (int)  gd.getNextNumber();
 		scaleMovement=                     gd.getNextNumber();
-		
+		parallelMove=                      gd.getNextBoolean();
         FOCUSING_FIELD.filterZ=            gd.getNextBoolean();
         FOCUSING_FIELD.filterByScanValue=  gd.getNextBoolean();
         FOCUSING_FIELD.filterByValueScale= gd.getNextNumber();
@@ -8789,6 +8829,18 @@ if (MORE_BUTTONS) {
 		MASTER_DEBUG_LEVEL=(         int)  gd.getNextNumber();
 		DEBUG_LEVEL=MASTER_DEBUG_LEVEL;
 		FOCUSING_FIELD.setDebugLevel(DEBUG_LEVEL);
+		if (parallelMove){ // ignore/recalculate newMotors data 
+		    zTxTyM1M2M3 = FOCUSING_FIELD.adjustLMA(fFMeasurement,true); // recalculate with parallel move only
+	    	newMotors=currentMotors.clone();
+	    	if (zTxTyM1M2M3!=null){
+	    		newMotors[0]=(int) Math.round(zTxTyM1M2M3[3]);
+	    		newMotors[1]=(int) Math.round(zTxTyM1M2M3[4]);
+	    		newMotors[2]=(int) Math.round(zTxTyM1M2M3[5]);
+	    	}			
+    		System.out.println("Parallel move position for motor 1 "+newMotors[0]+" ("+currentMotors[0]+")");
+    		System.out.println("Parallel move position for motor 2 "+newMotors[1]+" ("+currentMotors[1]+")");
+    		System.out.println("Parallel move position for motor 3 "+newMotors[2]+" ("+currentMotors[2]+")");
+		}
 		
 //	Scale motor movement	
 		newMotors[0]=currentMotors[0]+((int) Math.round((newMotors[0]-currentMotors[0])*scaleMovement));
@@ -10042,6 +10094,7 @@ if (MORE_BUTTONS) {
 			return null;
 		}
 		if (allOK) {
+			if (focusMeasurementParameters.scanMeasureLast) {
 			allOK &= moveAndMaybeProbe(
 					true,
 					centerMotorPos, // null OK
@@ -10060,6 +10113,16 @@ if (MORE_BUTTONS) {
 					updateStatus,
 					debugLevel,
 					loopDebugLevel);
+			} else { // just move, no measuring
+				System.out.println("Returning motors to initial position at "+ IJ.d2s(0.000000001*(System.nanoTime()-startTime),3));
+				focusingMotors.moveElphel10364Motors( // return to last direct scan position
+						true, //boolean wait,
+						centerMotorPos,
+						0.0, //double sleep,
+						true, //boolean showStatus,
+						"",   //String message,
+						false); //focusMeasurementParameters.compensateHysteresis); //boolean hysteresis)
+			}
 		}
 
 		if (debugLevel>0) System.out.println("Scanning focus in the center, number of steps="+ focusMeasurementParameters.scanNumber+

src/main/java/FocusingField.java

@@ -4255,6 +4255,7 @@ public boolean LevenbergMarquardt(
     				}
     			}
     			double [] dmz= getAdjustedMotors(
+    					null, // double [] zM0, //  current linearized motors (or null for full adjustment) 
     		            targetRelFocalShift+best_qb_corr[0],
     		            targetTiltX, // for testing, normally should be 0 um/mm
     		            targetTiltY,
@@ -4263,6 +4264,7 @@ public boolean LevenbergMarquardt(
     				System.out.println("Suggested motor linearized positions: "+IJ.d2s(dmz[0],2)+":"+IJ.d2s(dmz[1],2)+":"+IJ.d2s(dmz[2],2));
     			}
     			double [] dm= getAdjustedMotors(
+    					null, // double [] zM0, //  current linearized motors (or null for full adjustment) 
     		            targetRelFocalShift+best_qb_corr[0],
     		            targetTiltX, // for testing, normally should be 0 um/mm
     		            targetTiltY,
@@ -4312,6 +4314,7 @@ public boolean LevenbergMarquardt(
         				}
         			}
         			double [] dmz= getAdjustedMotors(
+        					null, // double [] zM0, //  current linearized motors (or null for full adjustment) 
         		            targetRelFocalShift+best_qb_corr[0],
         		            targetTiltX, // for testing, normally should be 0 um/mm
         		            targetTiltY,
@@ -4320,6 +4323,7 @@ public boolean LevenbergMarquardt(
         				System.out.println("Suggested motor linearized positions: "+IJ.d2s(dmz[0],2)+":"+IJ.d2s(dmz[1],2)+":"+IJ.d2s(dmz[2],2));
         			}
         			double [] dm= getAdjustedMotors(
+        					null, // double [] zM0, //  current linearized motors (or null for full adjustment) 
         		            targetRelFocalShift+best_qb_corr[0],
         		            targetTiltX, // for testing, normally should be 0 um/mm
         		            targetTiltY,
@@ -4369,7 +4373,9 @@ public boolean LevenbergMarquardt(
     }
     
 //,
-    public double [] adjustLMA (FocusingFieldMeasurement measurement){
+    public double [] adjustLMA (
+    		FocusingFieldMeasurement measurement,
+    		boolean parallelMove){
     	if (!testMeasurement(
     			measurement,    				
 				zMin, //+best_qb_corr[0],
@@ -4390,7 +4396,13 @@ public boolean LevenbergMarquardt(
         result[0]=zTilts[0]-best_qb_corr[0];
         result[1]=zTilts[1];
         result[2]=zTilts[2];
+        double [] zm=null;
+        if (parallelMove){
+        	zm=new double [3];
+        	for (int i=0;i<zm.length;i++) zm[i]=fieldFitting.mechanicalFocusingModel.mToZm(measurement.motors[i], i);
+        }
 		double [] dm= getAdjustedMotors(
+				zm,
 	            targetRelFocalShift+best_qb_corr[0],
 	            0.0, // targetTiltX, // for testing, normally should be 0 um/mm
 	            0.0, // targetTiltY,
@@ -4426,11 +4438,13 @@ public boolean LevenbergMarquardt(
     }
     
     public double [] getAdjustedMotors(
+    		double [] zM0, //  current linearized motors (or null for full adjustment) 
             double targetRelFocalShift,
             double targetTiltX, // for testing, normally should be 0 um/mm
             double targetTiltY,  // for testing, normally should be 0 um/mm
             boolean motorSteps){ 
     	double [] zM=fieldFitting.mechanicalFocusingModel.getZM(
+    			zM0,
     			currentPX0, //fieldFitting.getCenterXY()[0],
     			currentPY0, //fieldFitting.getCenterXY()[1],
     			targetRelFocalShift,
@@ -4516,7 +4530,7 @@ public boolean LevenbergMarquardt(
     				break;
     			}
     			if (!changedEnable) {
-    				if (debugLevel>0) System.out.println("No filter chnage, finished in "+(n+1)+" steps");
+    				if (debugLevel>0) System.out.println("No filter cnange, finished in "+(n+1)+" step"+((n==0)?"":"s"));
     				return true;
     			} else {
     				if ((was2PrevEnable!=null) && (prevEnable!=null) && (was2PrevEnable.length==prevEnable.length)){
@@ -4541,7 +4555,7 @@ public boolean LevenbergMarquardt(
     	private double [] pXY=null;
     	private boolean [] centerSelect=null;
     	private boolean [] centerSelectDefault={true,true};
-    	private MechanicalFocusingModel mechanicalFocusingModel;
+    	public MechanicalFocusingModel mechanicalFocusingModel;
     	private CurvatureModel [] curvatureModel=new CurvatureModel[6]; // 3 colors, sagittal+tangential each
     	private boolean [] channelSelect=null;
     	private boolean [] mechanicalSelect=null;
@@ -6609,9 +6623,44 @@ public boolean LevenbergMarquardt(
     		}
     		return m;
     	}
+    	/**
+    	 * Calculate manual screw adjustments for focus/tilt to reduce amount of motor travel (when it is out of limits)
+    	 * @param zErr  current focal distance error in microns, positive - away from lens
+    	 * @param tXErr current horizontal tilt in microns/mm , positive - 1,2 away from lens, 3 - to the lens
+    	 * @param tYErr current vertical tilt in microns/mm , positive - 2 away from lens, 1 - to the lens
+    	 * @return array of optimal CW rotations of each screw (1.0 == 360 deg)
+    	 * Screw locations:
+    	 *       5    2
+    	 *  3    +
+    	 *       4    1
+    	 * + - center      
+    	 * 1,2 M2x0.4 set screws (push)
+    	 * 3 - M2x0.4 socket screw (push)
+    	 * 4 - M2x0.4 socket screw (pull)
+    	 * 5 - M2.5x0.45 screw (pull)
+    	 */
+    	public double [] getManualScrews(
+    			double zErr, // positive - away from lens
+    			double tXErr,// positive - 1,2 away from lens, 3 - to the lens
+    			double tYErr){// positive - 2 away from lens
+    		double [][] screws={ // right, down, thread pitch (pull)
+    				{ 20.5 ,17.5, -0.4},
+    				{ 20.5,-17.5, -0.4},
+    				{-20.5,  0.0, -0.4},
+    				{  0.0, 17.5,  0.4},
+    				{  0.0,-17.5,  0.45}};
+    		double [] moveDownUm=new double [screws.length];
+    		double [] turnCW=new double [screws.length];
+    		for (int i=0;i<screws.length;i++){
+    			moveDownUm[i]=zErr + screws[i][0]*tXErr+screws[i][1]*tYErr;
+    			turnCW[i]=0.001*moveDownUm[i]/screws[i][2];
+    		}
+    		return turnCW;
+    	}
 
     	/**
     	 * Calculate three linearized values of motor positions for current parameters, target center focal shift and tilt 
+    	 * @param zM0 current linearized position (for parallel adjustment) or null for full adjustment
     	 * @param px lens center X (pixels)
     	 * @param py lens center Y (pixels)
     	 * @param targetZ target focal shift uin the center, microns, positive - away
@@ -6620,6 +6669,7 @@ public boolean LevenbergMarquardt(
     	 * @return array of 3 linearized motor positions (microns) 
     	 */
     	public double [] getZM(
+        		double [] zMCurrent, //  current linearized motors (or null for full adjustment) 
     			double px,
     			double py,
     			double targetZ,
@@ -6627,6 +6677,16 @@ public boolean LevenbergMarquardt(
     			double targetTy){
     		double dx=PIXEL_SIZE*(px-getValue(MECH_PAR.mpX0));
     		double dy=PIXEL_SIZE*(py-getValue(MECH_PAR.mpY0));
+    		if (zMCurrent!=null){
+        		//    		0.25* zM1+ 0.25* zM2+ 0.5 * zM3 = targetZ-getValue(MECH_PAR.z0);
+        		//    		0.25* (zM1+dzM)+ 0.25* (zM2+dzM)+ 0.5 * (zM3+dzM) = targetZ-getValue(MECH_PAR.z0);
+        		//    		0.25* (dzM+ 0.25* dzM+ 0.5 * dzM = targetZ-getValue(MECH_PAR.z0) - (0.25* zM1+ 0.25* zM2+ 0.5 * zM3 );
+        		//    		dzM = targetZ-getValue(MECH_PAR.z0) - (0.25* zM1+ 0.25* zM2+ 0.5 * zM3 );
+    			double dZM=targetZ-getValue(MECH_PAR.z0)-(0.25* zMCurrent[0]+ 0.25* zMCurrent[1]+ 0.5 * zMCurrent[2]);
+    			double [] zM=zMCurrent.clone();
+    			for (int i=0;i<zM.length;i++) zM[i]+=dZM;
+    			return zM;
+    		}
     		//    		double zc= 0.25* zM1+ 0.25* zM2+ 0.5 * zM3+getValue(MECH_PAR.z0);
     		//    		double zx=dx*(getValue(MECH_PAR.tx)+(2*zM3-zM1-zM2)/(4*getValue(MECH_PAR.Lx))) ;
     		//    		double zy=dy*(getValue(MECH_PAR.ty)-(zM2-zM1)/(2*getValue(MECH_PAR.Ly)));//!

src/main/java/LensAdjustment.java

@@ -305,6 +305,7 @@ public class LensAdjustment {
         
         public boolean scanTiltEnable=true;  // enable scanning tilt
         public boolean scanTiltReverse=false;  // enable scanning tilt in both directions
+        public boolean scanMeasureLast=false;  // Calculate PSF after last move (to original position)
         public int scanTiltRangeX=14336;    // 4 periods
         public int scanTiltRangeY=14336;    // 4 periods
         public int scanTiltStepsX=24;
@@ -520,6 +521,7 @@ public class LensAdjustment {
                 
                 boolean scanTiltEnable, //=true;  // enable scanning tilt
                 boolean scanTiltReverse,
+                boolean scanMeasureLast,
                 int scanTiltRangeX, //=14336;    // 4 periods
                 int scanTiltRangeY, //=14336;    // 4 periods
                 int scanTiltStepsX, //=24;
@@ -663,6 +665,7 @@ public class LensAdjustment {
 			
 			this.scanTiltEnable=scanTiltEnable; //=true;  // enable scanning tilt
 			this.scanTiltReverse=scanTiltReverse;
+			this.scanMeasureLast=scanMeasureLast;
 			this.scanTiltRangeX=scanTiltRangeX; //, //=14336;    // 4 periods
 			this.scanTiltRangeY=scanTiltRangeY; //, //=14336;    // 4 periods
 			this.scanTiltStepsX=scanTiltStepsX; //=24;
@@ -807,6 +810,7 @@ public class LensAdjustment {
     				
     				this.scanTiltEnable,  // enable scanning tilt
     				this.scanTiltReverse,
+    				this.scanMeasureLast,
     	    		this.scanTiltRangeX,    // 4 periods
     	    		this.scanTiltRangeY,    // 4 periods
     	    		this.scanTiltStepsX,
@@ -952,24 +956,18 @@ public class LensAdjustment {
 			properties.setProperty(prefix+"scanStep",this.scanStep+"");
 			properties.setProperty(prefix+"scanNumber",this.scanNumber+"");
 			properties.setProperty(prefix+"scanNumberNegative",this.scanNumberNegative+"");
-
 			properties.setProperty(prefix+"scanHysteresis",this.scanHysteresis+"");
 			properties.setProperty(prefix+"scanHysteresisNumber",this.scanHysteresisNumber+"");
-			
 			properties.setProperty(prefix+"scanTiltEnable",this.scanTiltEnable+"");  // enable scanning tilt
 			properties.setProperty(prefix+"scanTiltReverse",this.scanTiltReverse+"");
-			
+			properties.setProperty(prefix+"scanMeasureLast",this.scanMeasureLast+"");
 			properties.setProperty(prefix+"scanTiltRangeX",this.scanTiltRangeX+"");    // 4 periods
 			properties.setProperty(prefix+"scanTiltRangeY",this.scanTiltRangeY+"");    // 4 periods
 			properties.setProperty(prefix+"scanTiltStepsX",this.scanTiltStepsX+"");
 			properties.setProperty(prefix+"scanTiltStepsY",this.scanTiltStepsY+"");
-			
-			
 			properties.setProperty(prefix+"motorHysteresis",this.motorHysteresis+"");
 			properties.setProperty(prefix+"measuredHysteresis",this.measuredHysteresis+"");
-
 			properties.setProperty(prefix+"motorCalm",this.motorCalm+"");
-			
 			properties.setProperty(prefix+"linearReductionRatio",this.linearReductionRatio+"");
 			properties.setProperty(prefix+"motorDebug",this.motorDebug+"");
 			properties.setProperty(prefix+"lensDistanceNumPoints",this.lensDistanceNumPoints+"");
@@ -1217,6 +1215,9 @@ public class LensAdjustment {
 				this.scanTiltReverse=Boolean.parseBoolean(properties.getProperty(prefix+"scanTiltReverse"));
 			
 			
+			if (properties.getProperty(prefix+"scanMeasureLast")!=null)
+				this.scanMeasureLast=Boolean.parseBoolean(properties.getProperty(prefix+"scanMeasureLast"));
+						
 			if (properties.getProperty(prefix+"scanTiltRangeX")!=null)
 				this.scanTiltRangeX=Integer.parseInt(properties.getProperty(prefix+"scanTiltRangeX"));
 			if (properties.getProperty(prefix+"scanTiltRangeY")!=null)
@@ -1364,7 +1365,7 @@ public class LensAdjustment {
 
     		gd.addCheckbox    ("Scan for tilt measurement (approximately preserving center)",                    this.scanTiltEnable);
     		gd.addCheckbox    ("Scan for tilt measurement in both directions",                                   this.scanTiltReverse);
-    		
+    		gd.addCheckbox    ("Calculate PSF after returning to the initial position",                          this.scanMeasureLast);
     		
     		gd.addNumericField("Full range of scanning motors tilting in X-direction",                           this.scanTiltRangeX, 0,7,"motors steps");
     		gd.addNumericField("Full range of scanning motors tilting in Y-direction",                           this.scanTiltRangeY, 0,7,"motors steps");
@@ -1386,6 +1387,8 @@ public class LensAdjustment {
 
     		this.scanTiltEnable=             gd.getNextBoolean();
     		this.scanTiltReverse=            gd.getNextBoolean();
+            this.scanMeasureLast=            gd.getNextBoolean();
+    		
     		this.scanTiltRangeX=       (int) gd.getNextNumber();
     		this.scanTiltRangeY=       (int) gd.getNextNumber();
     		this.scanTiltStepsX=       (int) gd.getNextNumber();
@@ -1518,6 +1521,8 @@ public class LensAdjustment {
 
     		gd.addCheckbox    ("Scan for tilt measurement (approximately preserving center)",                    this.scanTiltEnable);
     		gd.addCheckbox    ("Scan for tilt measurement in both directions",                                   this.scanTiltReverse);
+    		gd.addCheckbox    ("Calculate PSF after returning to the initial position",                          this.scanMeasureLast);
+    		
     		
     		gd.addNumericField("Full range of scanning motors tilting in X-direction",                           this.scanTiltRangeX, 0,7,"motors steps");
     		gd.addNumericField("Full range of scanning motors tilting in Y-direction",                           this.scanTiltRangeY, 0,7,"motors steps");
@@ -1684,6 +1689,7 @@ public class LensAdjustment {
 			
     		this.scanTiltEnable=             gd.getNextBoolean();
     		this.scanTiltReverse=            gd.getNextBoolean();
+    		this.scanMeasureLast=            gd.getNextBoolean();
     		this.scanTiltRangeX=       (int) gd.getNextNumber();
     		this.scanTiltRangeY=       (int) gd.getNextNumber();
     		this.scanTiltStepsX=       (int) gd.getNextNumber();