Fixed affine inversion

src/main/java/com/elphel/imagej/orthomosaic/OrthoMap.java

@@ -3005,6 +3005,7 @@ public class OrthoMap implements Comparable <OrthoMap>, Serializable{
 		}
 		return true;
 	}
+	
 	public static double [][] combineAffine(
 			double [][] ref_affine,
 			double [][] other_affine){
@@ -3021,6 +3022,7 @@ public class OrthoMap implements Comparable <OrthoMap>, Serializable{
 				{A.get(1,0),A.get(1,1),B.get(1,0)}};
 		return affine;
 	}
+
 	
 	
 	/**

src/main/java/com/elphel/imagej/orthomosaic/OrthoPairLMA.java

@@ -54,21 +54,26 @@ public class OrthoPairLMA {
 	private double [][]       last_jt =         null;
 	private boolean           origin_center =   false; // true - origin in overlap center, false - top left corner (as it was)
 	private double []         origin =          null; // either {0,0} for top-left or center of the woi
+	public  int               num_good_tiles = 0;
 	public OrthoPairLMA (boolean origin_center) {
 		this.origin_center = origin_center;
 	}
-	public void prepareLMA(
+	public int prepareLMA(
 			// will always calculate relative affine, starting with unity
 			int           width, // tilesX
 			double [][]   vector_XYS,    // optical flow X,Y, confidence obtained from the correlate2DIterate()
 			double [][]   centers,       // tile centers (in pixels)
 			double []     weights_extra, // optional, may be null 
 			boolean       first_run,
+			int           min_good_tiles,
+			double        max_std,      // maximal standard deviation to limit center area  
+			double        min_std_rad,  // minimal radius of the central area (if less - fail)
 			final int     debug_level) {
 		tile_centers = centers;
 		this.width = width;
 		int height = vector_XYS.length / width;
 		int min_x = width, min_y=height, max_x = -1, max_y=-1;
+		num_good_tiles = 0;
 		for (int tile = 0; tile < vector_XYS.length; tile++) if ((vector_XYS[tile] !=null)) {
 			int tileX = tile % width;
 			int tileY = tile / width;
@@ -76,8 +81,12 @@ public class OrthoPairLMA {
 			if (tileX > max_x) max_x = tileX;
 			if (tileY < min_y) min_y = tileY;
 			if (tileY > max_y) max_y = tileY;
+			num_good_tiles++;
 		}
 		woi = new Rectangle (min_x, min_y, max_x - min_x + 1, max_y - min_y + 1);
+		if (num_good_tiles < min_good_tiles) {
+			return num_good_tiles;
+		}
 		origin = new double[2];
 		if (origin_center) {
 			origin = new double [] {
@@ -98,7 +107,7 @@ public class OrthoPairLMA {
 		last_rms = new double [2];
 		initial_rms = last_rms.clone();
 		good_or_bad_rms = this.last_rms.clone();
-		
+		return num_good_tiles;
 	}
 	
 	public double [][] getAffine(){

src/main/java/com/elphel/imagej/orthomosaic/PairwiseOrthoMatch.java

@@ -14,10 +14,40 @@ public class PairwiseOrthoMatch implements Serializable {
 	public PairwiseOrthoMatch() {
 		
 	}
-	public PairwiseOrthoMatch(double [][] affine, double [][] jtj, double rms, int zoom_lev) {
+	public PairwiseOrthoMatch(
+			double [][] affine,
+			double [][] jtj,
+			double rms,
+			int zoom_lev) {
 		this.affine = affine;
 		this.jtj = jtj;
+		this.zoom_lev=zoom_lev;
 	}
+	
+	public PairwiseOrthoMatch getInverse(double [] rd) {
+		double [][] affine = OrthoMap.invertAffine(getAffine());
+		PairwiseOrthoMatch inverted_match = new PairwiseOrthoMatch(
+				affine, // double [][] affine,
+				null, // double [][] jtj,
+				rms, // double rms,
+				zoom_lev); // int zoom_lev)
+		double [] corr = {
+				rd[0] * (affine[0][0]-1.0)+ rd[1]*affine[0][1],
+				rd[0] * affine[1][0]+       rd[1]*(affine[1][1]-1.0)};
+		affine[0][2] += corr[0];
+		affine[1][2] += corr[1];
+		return inverted_match;	
+	}
+
+	public PairwiseOrthoMatch getInverse() {
+		PairwiseOrthoMatch inverted_match = new PairwiseOrthoMatch(
+				OrthoMap.invertAffine(getAffine()), // double [][] affine,
+				null, // double [][] jtj,
+				rms, // double rms,
+				zoom_lev); // int zoom_lev)
+		return inverted_match;
+	}
+	
 	public double [][] getAffine(){
 		return affine;
 	}

src/main/java/com/elphel/imagej/tileprocessor/IntersceneMatchParameters.java

@@ -100,11 +100,12 @@ public class IntersceneMatchParameters {
 	public double   rln_fat_zero =      10000.0; // phase correlation fat zero
 	public boolean  rln_use_neibs =     true;    // calculate TD neighbors in phase correlation 
 	public boolean  rln_neibs_fill =    false;   // fill empty neighbors centers
-	public double   rln_neib_radius =   2.9;     // neighbors radius (tiles)
+	public double   rln_neib_radius =   5.9;     // neighbors radius (tiles)
+	public double   rln_radius_frac =   0.1;     // rln_neib_radius not less than this fraction of woi width/height   
 	public double   rln_cent_radius =   4.0;     // centroids center radius
 	public int      rln_n_recenter =    2;       // when cosine window, re-center window these many times
     public double   rln_sngl_rstr =     0.3;     // minimal single-tile phase correlation maximums relative to max str
-    public double   rln_neib_rstr =     0.5;     // minimal neighbors phase correlation maximums relative to max str
+    public double   rln_neib_rstr =     0.4;     // minimal neighbors phase correlation maximums relative to max str
 	
 	public double [] getImsMountATR() {
 		return new double [] {
@@ -683,6 +684,8 @@ public class IntersceneMatchParameters {
 				"Fill empty neighbors centers (false - only non-empty).");
 		gd.addNumericField("Neighbors radius",                       this.rln_neib_radius, 5,8,"tiles",
 				"Use these tiles around the center one.");
+		gd.addNumericField("Neighbors radius fraction woi",          this.rln_radius_frac, 5,8,"",
+				"Naighbors radius not less than this fraction of tiles WOI.");
 		gd.addNumericField("Centroids radius",                       this.rln_cent_radius, 5,8,"",
 				"Centroids radius for maximums isolation.");
 		gd.addNumericField("Recenter centroid",                      this.rln_n_recenter, 0,3,"",
@@ -1526,6 +1529,7 @@ public class IntersceneMatchParameters {
 		this.rln_use_neibs =                  gd.getNextBoolean();
 		this.rln_neibs_fill =                 gd.getNextBoolean();
 		this.rln_neib_radius =                gd.getNextNumber();
+		this.rln_radius_frac =                gd.getNextNumber();		
 		this.rln_cent_radius =                gd.getNextNumber();
 		this.rln_n_recenter =           (int) gd.getNextNumber();
 		this.rln_sngl_rstr =                  gd.getNextNumber();
@@ -1986,6 +1990,7 @@ public class IntersceneMatchParameters {
 		properties.setProperty(prefix+"rln_use_neibs",                 this.rln_use_neibs + "");               // boolean
 		properties.setProperty(prefix+"rln_neibs_fill",                this.rln_neibs_fill + "");              // boolean
 		properties.setProperty(prefix+"rln_neib_radius",               this.rln_neib_radius +"");              // double
+		properties.setProperty(prefix+"rln_radius_frac",               this.rln_radius_frac +"");              // double
 		properties.setProperty(prefix+"rln_cent_radius",               this.rln_cent_radius +"");              // double
 		properties.setProperty(prefix+"rln_n_recenter",                this.rln_n_recenter+"");                // int
 		properties.setProperty(prefix+"rln_sngl_rstr",                 this.rln_sngl_rstr +"");                // double
@@ -2409,6 +2414,7 @@ public class IntersceneMatchParameters {
 		if (properties.getProperty(prefix+"rln_use_neibs")!=null)      this.rln_use_neibs=Boolean.parseBoolean(properties.getProperty(prefix+"rln_use_neibs"));		
 		if (properties.getProperty(prefix+"rln_neibs_fill")!=null)     this.rln_neibs_fill=Boolean.parseBoolean(properties.getProperty(prefix+"rln_neibs_fill"));		
 		if (properties.getProperty(prefix+"rln_neib_radius")!=null)    this.rln_neib_radius=Double.parseDouble(properties.getProperty(prefix+"rln_neib_radius"));
+		if (properties.getProperty(prefix+"rln_radius_frac")!=null)    this.rln_radius_frac=Double.parseDouble(properties.getProperty(prefix+"rln_radius_frac"));
 		if (properties.getProperty(prefix+"rln_cent_radius")!=null)    this.rln_cent_radius=Double.parseDouble(properties.getProperty(prefix+"rln_cent_radius"));
 		if (properties.getProperty(prefix+"rln_n_recenter")!=null)     this.rln_n_recenter=Integer.parseInt(properties.getProperty(prefix+"rln_n_recenter"));
 		if (properties.getProperty(prefix+"rln_sngl_rstr")!=null)      this.rln_sngl_rstr=Double.parseDouble(properties.getProperty(prefix+"rln_sngl_rstr"));
@@ -2860,6 +2866,8 @@ public class IntersceneMatchParameters {
 		imp.rln_use_neibs                 = this.rln_use_neibs;
 		imp.rln_neibs_fill                = this.rln_neibs_fill;
 		imp.rln_neib_radius               = this.rln_neib_radius;
+		imp.rln_radius_frac               = this.rln_radius_frac;
+		
 		imp.rln_cent_radius               = this.rln_cent_radius;
 		imp.rln_n_recenter                = this.rln_n_recenter;
 		imp.rln_sngl_rstr                 = this.rln_sngl_rstr;