working version, starting texture generation

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

@@ -6656,7 +6656,7 @@ public class ImageDttCPU {
 													schn = MONO_CHN; // clone green to red and blue output
 												}
 												if (texture_tile[schn] == null) {
-													dpixels[chn] = null;
+													dpixels[chn] = null; //09.12.2022 WRONG - keep as is, do once ??????
 												} else {
 													// should it be better to multiply each color by alpha before accumulating? No, it is already windowed!
 													if ((chn != 3) || !sharp_alpha) {

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

@@ -12553,7 +12553,6 @@ public class QuadCLTCPU {
 						  "shape_id-"+(scanIndex - next_pass), // id
 						  null, // class
 						  scan.getTextureBounds(),
-//						  scan.selected,
 						  scan.getSelected(),
 						  scan_disparity, // scan.disparity_map[ImageDtt.DISPARITY_INDEX_CM],
 						  clt_parameters.transform_size,
@@ -12639,7 +12638,7 @@ public class QuadCLTCPU {
 				  indices);
 
 
-		  triangles = 	tp.filterTriangles(
+		  triangles = 	tp.filterTriangles( // remove crazy triangles with large disparity difference
 					triangles,
 					indexedDisparity, // disparities per vertex index
 					maxDispTriangle); // maximal disparity difference in a triangle
@@ -13013,14 +13012,15 @@ public class QuadCLTCPU {
 				  }
 			  }
 		  }
-
+		  // create 8*tilesX * 8*tilesY RBGA (?) image. input for mono (Y,,,A), output [null,null, Y, A]?
 		  double [][] texture_overlap = image_dtt.combineRBGATiles(
 				  texture_tiles_cluster, // texture_tiles,               // array [tp.tilesY][tp.tilesX][4][4*transform_size] or [tp.tilesY][tp.tilesX]{null}
-///				  image_dtt.transform_size,
 				  true,                         // when false - output each tile as 16x16, true - overlap to make 8x8
 				  clt_parameters.sharp_alpha,    // combining mode for alpha channel: false - treat as RGB, true - apply center 8x8 only
 				  threadsMax,                    // maximal number of threads to launch
 				  debugLevel);
+
+		  // Update alpha to sharpen "tree branches"
 		  if (clt_parameters.alpha1 > 0){ // negative or 0 - keep alpha as it was
 			  double scale = (clt_parameters.alpha1 > clt_parameters.alpha0) ? (1.0/(clt_parameters.alpha1 - clt_parameters.alpha0)) : 0.0;
 			  for (int i = 0; i < texture_overlap[alpha_index].length; i++){
@@ -13036,6 +13036,8 @@ public class QuadCLTCPU {
 		  double [][] texture_rgba = {texture_overlap[0],texture_overlap[1],texture_overlap[2],texture_overlap[3]};
 		  double [][] texture_rgbx = ((clt_parameters.alpha1 > 0)? texture_rgba: texture_rgb);
 
+		  // Resize was extracting rectangle from the full size texture. With consolidated texture (9.12.2022) multiple
+		  // rectangles can be extracted from a single texture array
 		  boolean resize = true;
 		  if (resize) {
 		  texture_rgbx = resizeGridTexture(
@@ -13051,7 +13053,7 @@ public class QuadCLTCPU {
 		  if ((width <= 0) || (height <= 0)) {
 			  System.out.println("***** BUG in getPassImage(): width="+width+", height="+height+", resize="+resize+" ****"); // not used in lwir
 		  }
-
+		  // 9.12.2022: should be done for each cluster
 		  ImagePlus imp_texture_cluster = linearStackToColor(
 				  clt_parameters,
 				  colorProcParameters,

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

@@ -8867,7 +8867,7 @@ ImageDtt.startAndJoin(threads);
 		return indices;
 	}
 
-	public double [][] getTexCoords( // get texture coordinates for indices
+	public static double [][] getTexCoords( // get texture coordinates for indices
 			int [][] indices)
 	{
 		int maxIndex = -1;
@@ -8913,7 +8913,6 @@ ImageDtt.startAndJoin(threads);
 			for (int x = 0; (x < width) && (indx <= maxIndex); x++){
 				if (indices[y][x] >=0){
 					// center coordinates for 8*8 tile is [3.5,3.5]
-//					double disp = disparity[(bounds.y + y) * tilesX + (bounds.x + x)];
 					double disp = (disparity == null)? min_disparity:( disparity[(bounds.y + y) * tilesX + (bounds.x + x)]);
 					if      (disp < min_disparity) disp = min_disparity;
 					else if (disp > max_disparity) disp = max_disparity;
@@ -8962,7 +8961,7 @@ ImageDtt.startAndJoin(threads);
 		return coordinate;
 	}
 
-	int getMaxIndex(int [][] indices)
+	static int getMaxIndex(int [][] indices)
 	{
 		int height = indices.length;
 		int width = indices[0].length;
@@ -8976,7 +8975,7 @@ ImageDtt.startAndJoin(threads);
 		return -1;
 	}
 
-	public int [][] filterTriangles(
+	public static int [][] filterTriangles(
 			int  [][] triangles,
 			double [] disparity, // disparities per vertex index
 			double    maxDispDiff) // maximal disparity difference in a triangle
@@ -9013,13 +9012,11 @@ ImageDtt.startAndJoin(threads);
 }
 
 
-	public int [][] triangulateCluster(
+	public static int [][] triangulateCluster(
 			int [][]  indices)
 	{
 		int height = indices.length;
 		int width = indices[0].length;
-		//		  int [][] ind = new int [height][];
-		//		  for (int i = 0; i < width; i++) ind[i] = indices[i].clone();
 		class Triangle {
 			int [] points = new int [3];
 			Triangle (int i1, int i2, int i3){
@@ -9070,7 +9067,7 @@ ImageDtt.startAndJoin(threads);
 		return triangles;
 	}
 
-	int iSign (int a) {return (a > 0) ? 1 : ((a < 0)? -1 : 0);}
+	static int iSign (int a) {return (a > 0) ? 1 : ((a < 0)? -1 : 0);}
 
 	public void testTriangles(
 			String     texturePath,
@@ -9136,7 +9133,7 @@ ImageDtt.startAndJoin(threads);
 	}
 
 	
-	public double [] fillNaNs(
+	public static double [] fillNaNs(
 			final double [] data,
 			int       width,
 			final int grow,