minor bug fixes, verified jacobian

src/main/java/com/elphel/imagej/vegetation/VegetationModel.java

@@ -681,28 +681,31 @@ public class VegetationModel {
 		int       min_scenes =   10;
 		double    default_alpha = 0.8;
 		double    reg_weights =   0.25;        // fraction of the total weight used for regularization
-		double    alpha_loss =    10000.0; // 1000.0; // 100.; // 10.0;         // quadratic loss when alpha reaches -1.0 or 2.0 
-		double    alpha_offset =  0.02; // 0.03;    // if >0,  start losses above 0.0 and below 1.0;
-		double    alpha_lpf =     10; // 20; // 6.0; // 3.0; // 2.0;    // 1.5; // 5.0; // 0.5;         // pull to average of 4 neighbors
+		double    alpha_loss =   10.0;  // 10000.0; // 1000.0; // 100.; // 10.0;         // quadratic loss when alpha reaches -1.0 or 2.0 
+		double    alpha_offset =  0.0; // 0.02; // 0.03;    // if >0,  start losses above 0.0 and below 1.0;
+		double    alpha_lpf =     10;   // 20; // 6.0; // 3.0; // 2.0;    // 1.5; // 5.0; // 0.5;         // pull to average of 4 neighbors
 		double    terr_lpf =      0.1;    // pull terrain to average of 4 neighbors (very small)
 		double    veget_lpf =     0.1;    // pull vegetation to average of 4 neighbors (very small - maybe not needed)
-
+		double    terr_pull0 =    0.1;    //pull terrain to zero (makes sense with UM
+		double    veget_pull0 =   0.1;    // pull vegetation to zero (makes sense with UM
 		double    boost_parallax = 1.0; //  5;
-		boolean exit_loop = debugLevel < 1000;
-		boolean next_run = false;
-		boolean read_pars = false; // true; //  false; // true;
-		double      threshold_terrain = 0.05;
-		double      min_max_terrain= 0.1;
-		double      min_terrain =    0.001;
-		double      min_vegetation = 0.5;				
+		boolean   next_run =      false;
+		boolean   read_pars =     true; //   false; // true;
+		double    threshold_terrain = 0.05;
+		double    min_max_terrain= 0.1;
+		double    min_terrain =    0.001;
+		double    min_vegetation = 0.5;				
+		boolean   um_en =     true;
+		double    um_sigma =  1.0; 
+		double    um_weight = 0.8;
+
+		boolean   exit_loop = debugLevel < 1000;
 
 		//		String  parameters_path = "/media/elphel/SSD3-4GB/lwir16-proc/berdich3/debug/vegetation/lma/parameters_vector_data_1000-0.03.tiff";
 		//		String  parameters_path = "/media/elphel/SSD3-4GB/lwir16-proc/berdich3/debug/vegetation/essential/parameters_vector_data_1000-0.03.tiff";
-		String  parameters_path = "/media/elphel/SSD3-4GB/lwir16-proc/berdich3/debug/vegetation/essential/parameters_vector_data_x143-y317-w35-h35-live_10000_0.02_3.0.tiff";
-
-		final boolean     um_en =     true;
-		final double      um_sigma =  1.0; 
-		final double      um_weight = 0.8;
+//		String  parameters_path = "/media/elphel/SSD3-4GB/lwir16-proc/berdich3/debug/vegetation/essential/parameters_vector_data_x143-y317-w35-h35-live_10000_0.02_3.0.tiff";
+//		String  parameters_path = "/media/elphel/SSD3-4GB/lwir16-proc/berdich3/debug/vegetation/essential/parameters_vector_data_x143-y317-w35-h35-al0.0-alo0.02-alp10.0-tl0.1-vl0.1-bp1.0-um1.0_0.8.tiff";
+		String  parameters_path = "/media/elphel/SSD3-4GB/lwir16-proc/berdich3/debug/vegetation/essential/parameters_vector_data_x143-y317-w35-h35-al10.0-alo0.0-alp10.0-tl0.1-vl0.1-bp1.0-um1.0_0.8-live.tiff";
 		if (um_en) {
 			double [][] um_data = new double [terrain_rendered.length+2][];
 			System.arraycopy(terrain_rendered, 0, um_data, 0, terrain_rendered.length);
@@ -786,6 +789,8 @@ public class VegetationModel {
 					alpha_lpf,     // final double             alpha_lpf,           // pull to average of 4 neighbors
 					terr_lpf,      // final double             terr_lpf,       // pull terrain to average of 4 neighbors (very small)
 					veget_lpf,     // final double             veget_lpf,      // pull vegetation to average of 4 neighbors (very small - maybe not needed)
+					terr_pull0,     // final double             terr_pull0,     // pull terrain to zero (makes sense with UM
+					veget_pull0,    // final double             veget_pull0,    // pull vegetation to zero (makes sense with UM
 					boost_parallax,// final double             boost_parallax, // increase weight of scene with maximal parallax relative to the reference scene
 					um_sigma,      // final double             um_sigma,       // just use in debug image names
 					(um_en? um_weight: 0.0),     // final double             um_weight,