Fixed bug - simulatePatternFullPattern and extractSimulationPattern were

not thread safe

src/main/java/EyesisAberrations.java

@@ -2594,6 +2594,8 @@ public class EyesisAberrations {
 		
 		double [][] dbgSimPix=null;
 		
+		double [] localBarray;
+		
 		if ((simArray==null) || (psfParameters.approximateGrid)){ // just for testing
 			/* Calculate pattern parameters, including distortion */
 			if (matchSimulatedPattern.PATTERN_GRID==null) {
@@ -2613,7 +2615,8 @@ public class EyesisAberrations {
 							" W1_phase="+IJ.d2s(distortedPattern[1][2],2));
 
 				}
-				simulationPattern.simulatePatternFullPattern(
+//				simulationPattern.simulatePatternFullPattern( // Not thread safe!
+						localBarray=simulationPattern.simulatePatternFullPatternSafe(
 						distortedPattern[0][0],
 						distortedPattern[0][1],
 						distortedPattern[0][2],
@@ -2655,7 +2658,8 @@ public class EyesisAberrations {
 				wVectors[0][1]=distPatPars[0][1];
 				wVectors[1][0]=distPatPars[1][0];
 				wVectors[1][1]=distPatPars[1][1];
-				simulationPattern.simulatePatternFullPattern(
+//		    	simulationPattern.simulatePatternFullPattern( // Not thread safe!
+				localBarray=simulationPattern.simulatePatternFullPatternSafe(
 						wVectors[0][0],
 						wVectors[0][1],
 						phases[0],
@@ -2667,7 +2671,9 @@ public class EyesisAberrations {
 						fft_size,
 						simulParameters.center_for_g2);
 			}
+//			simul_pixels= simulationPattern.extractSimulPatterns (
 			simul_pixels= simulationPattern.extractSimulPatterns (
+					localBarray,		// this version is thread safe
 					simulParameters,
 					subpixel, // subdivide pixels
 					fft_size*subpixel, // number of Bayer cells in width of the square selection (half number of pixels)

src/main/java/SimulationPattern.java

@@ -154,12 +154,36 @@ public class SimulationPattern {
 			int subdiv,
 			int size,
 			boolean center_for_g2) {
+		this.barray=simulatePatternFullPatternSafe(
+				freqX1,
+				freqY1,
+				phase1,
+				freqX2,
+				freqY2,
+				phase2,
+				corr,
+				subdiv,
+				size,
+				center_for_g2);
+	}
+
+	
+	public double [] simulatePatternFullPatternSafe(
+			double freqX1,
+			double freqY1,
+			double phase1,
+			double freqX2,
+			double freqY2,
+			double phase2,
+			double [] corr,
+			int subdiv,
+			int size,
+			boolean center_for_g2) {
 		int patternSize= (this.bPattern!=null)?((int) Math.sqrt(this.bPattern.length)):0;
 		double twicePatternSize=2*patternSize;
 		int i,j;
 		int fullSize=subdiv*(size+4)*2;
-//		this.barray=new double [fullSize][fullSize];
-		this.barray=new double [fullSize*fullSize];
+		double [] localBarray=new double [fullSize*fullSize];
 		double xl,yl; //,x,y;//,p1,p2;
 
 
@@ -212,8 +236,7 @@ public class SimulationPattern {
 					uv[1]-=0.5;
 				}
 				if (this.bPattern==null) {
-///					this.barray[i][j]=invert?0.0:1.0; //!invert;
-					this.barray[i*fullSize+j]=invert?0.0:1.0; //!invert;
+					localBarray[i*fullSize+j]=invert?0.0:1.0; //!invert;
 				} else {
 					iu= (int) Math.round(uv[0]*twicePatternSize);
 					iv= (int) Math.round(uv[1]*twicePatternSize);
@@ -225,19 +248,18 @@ public class SimulationPattern {
 						invert=!invert;
 						iv=(iv+patternSize)% patternSize;
 					}
-//					this.barray[i][j]=invert ^ this.bPattern[iv*patternSize + iu];
-///					this.barray[i][j]=invert?(1.0-this.bPattern[iv*patternSize + iu]): this.bPattern[iv*patternSize + iu];
-					this.barray[i*fullSize+j]=invert?(1.0-this.bPattern[iv*patternSize + iu]): this.bPattern[iv*patternSize + iu];
+					localBarray[i*fullSize+j]=invert?(1.0-this.bPattern[iv*patternSize + iu]): this.bPattern[iv*patternSize + iu];
 				}
 			}
 		}
 // Blur barray pattern if sigma >0		
 		if (this.barraySigma>0) {
 			double sigma=this.barraySigma*subdiv; //*/ 2? 
-			if (this.debugLevel>3) SDFA_INSTANCE.showArrays(this.barray, "barray");
-			this.gb.blurDouble(this.barray,fullSize,fullSize,sigma,sigma, 0.01);
-			if (this.debugLevel>3) SDFA_INSTANCE.showArrays(this.barray, "barray-blured");
+			if (this.debugLevel>3) SDFA_INSTANCE.showArrays(localBarray, "localBarray");
+			this.gb.blurDouble(localBarray,fullSize,fullSize,sigma,sigma, 0.01);
+			if (this.debugLevel>3) SDFA_INSTANCE.showArrays(localBarray, "localBarray-blured");
 		}
+		return localBarray;
 	}
 /* ======================================================================== */
 	public double [] recursiveFillPixels ( // invert pattern in the caller, return signed value (-1..1 - pattern is 0..1) 
@@ -851,6 +873,22 @@ Cv=(Cy*x-Cx*y)+(-Cy*Dx+Cx*Dy)
 				int size,    // number of Bayer cells in width of the square selection (half number of pixels)
 				double x0,    // selection center, X (in pixels)
 				double y0) {
+			return extractSimulPatterns (
+					this.barray,
+					simulParameters,
+					outSubdiv,  // subdivide output pixels
+					size,    // number of Bayer cells in width of the square selection (half number of pixels)
+					x0,    // selection center, X (in pixels)
+					y0);
+		}
+		
+		public double [][] extractSimulPatterns (
+				double [] localbArray,
+				SimulParameters  simulParameters,
+				int outSubdiv,  // subdivide output pixels
+				int size,    // number of Bayer cells in width of the square selection (half number of pixels)
+				double x0,    // selection center, X (in pixels)
+				double y0) {
 		int sampleWidth=(int) (Math.sqrt(simulParameters.fill)*simulParameters.subdiv);
 		int sampleN=sampleWidth*sampleWidth;
 		if      (sampleWidth<1)     sampleWidth=1;
@@ -858,8 +896,7 @@ Cv=(Cy*x-Cx*y)+(-Cy*Dx+Cx*Dy)
 		double sampleAverage=0.5*sampleN;
 
 		int n,i,j;
-//		int fullSize=this.barray.length;
-		int fullSize=(int) Math.sqrt(this.barray.length);
+		int fullSize=(int) Math.sqrt(localbArray.length);
 		double [][] simul_pixels=new double [5][size*size];
 		int ix,iy, iy0,ix0,px,py;
 		double bx,by;
@@ -876,9 +913,8 @@ Cv=(Cy*x-Cx*y)+(-Cy*Dx+Cx*Dy)
 					ix0=(fullSize/2) + (int) ((-span+x0+bx+0.5   +2.0*ix/outSubdiv)*simulParameters.subdiv);
 					s=0.0;
 					for (py=iy0+sampLow;py<iy0+sampHigh;py++) for (px=ix0+sampLow;px<ix0+sampHigh;px++) {
-///						s+=this.barray[py][px];
 						try {
-							s+=this.barray[py*fullSize+px];
+							s+=localbArray[py*fullSize+px];
 						} catch (Exception e){
 							System.out.println("Bug in extractSimulPatterns(): px="+px+" py="+py+" fullSize="+fullSize+" size="+size+" x0="+x0+" y0="+y0);
 							e.printStackTrace();
@@ -901,8 +937,7 @@ Cv=(Cy*x-Cx*y)+(-Cy*Dx+Cx*Dy)
 					ix0=(fullSize/2) + (int) ((-span+x0+bx  +0.5  +1.0*(iy+ix)/outSubdiv)*simulParameters.subdiv);
 					s=0.0;
 					for (py=iy0+sampLow;py<iy0+sampHigh;py++) for (px=ix0+sampLow;px<ix0+sampHigh;px++) {
-///						s+=this.barray[py][px];
-						s+=this.barray[py*fullSize+px];
+						s+=localbArray[py*fullSize+px];
 					}
 					simul_pixels[n][iy*size+ix]= (s-sampleAverage)/sampleAverage;
 				}