added absolute contrast

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

@@ -8,11 +8,18 @@ public class ItemMatch {
 	public double [] combo_pxy; // combo image {pixel_x, pixel_y}
 	public double [] lla; // add later
 	public HashMap<String, ItemPatternMatch> pattern_matches = new HashMap<String, ItemPatternMatch>();
-	
+	public double abs_contrast = 0;
 	public ItemMatch (double [] combo_pxy) {
 		this.combo_pxy = combo_pxy;
 	}
 	
+	public void setAbsoluteContrast(double contrast) {
+		abs_contrast = contrast; // only for main scene
+	}
+	public double getAbsoluteContrast() {
+		return abs_contrast;
+	}
+	
 	public double [] getXY() {
 		return combo_pxy;
 	}

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

@@ -30,7 +30,7 @@ public class ItemPatternMatch {
 		best_sub = sub;
 	}
 	
-	public int getBestSub() {
+	public int getBestSub() { // 1 - full, > 1 - partial
 		return best_sub;
 	}