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imagej-elphel
Commit 5893bc5e authored by Andrey Filippov's avatar Andrey Filippov
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More on textured meshes

parent 36da3e22
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Showing with 378 additions and 42 deletions
src/main/java/com/elphel/imagej/tileprocessor/TexturedModel.java
View file @ 5893bc5e
......@@ -1261,9 +1261,11 @@ public class TexturedModel {
for (ArrayList<Integer> part_loc: loc_multi) {
loc_list.addAll(part_loc);
}
boolean [] discontinued = new boolean [neib_lev.length];
// Temporarily mark loc_list with max_neib_lev+1 to remove them from averaging
for (int tile:loc_list) {
neib_lev[tile] = max_neib_lev+1;
discontinued[tile] = true;
}
// there may be some orphans left neib_lev >0 that do not have neighbors with neib_lev one less
......@@ -1372,9 +1374,24 @@ public class TexturedModel {
System.out.println("buildTileCluster() BUG - no tiles removed from disparity_layers[]");
}
// Marking discontinued max_neib_lev with max_neib_lev+1 for building meshes they should not be connected to max_neib_lev
// Maybe there is a more elegant way to do this.
ai.set(0);
for (int ithread = 0; ithread < threads.length; ithread++) {
threads[ithread] = new Thread() {
public void run() {
for (int tile = ai.getAndIncrement(); tile < tiles; tile = ai.getAndIncrement()) if (discontinued[tile]){
neib_lev[tile] = max_neib_lev+1;
}
}
};
}
ImageDtt.startAndJoin(threads);
if (debugLevel > 0) {
String [] dbg_titles = {"Source","Intermediate","Final", "neib_lev0", "neib_lev1", "neib_lev2",
"seams", "seams_layers_0", "seams_layers_1", "disparity_layers_0", "disparity_layers_0"};
"seams", "seams_layers_0", "seams_layers_1", "disparity_layers_0", "disparity_layers_1"};
double [][] dbg_neib_lev = new double [6][tiles];
for (int i = 0; i < tiles; i++) {
......@@ -1412,6 +1429,8 @@ public class TexturedModel {
}
// Split result into connected clusters
int [] pnum_clust = new int[1];
boolean [] sel_tiles = new boolean[tiles];
......@@ -2129,6 +2148,9 @@ public class TexturedModel {
String texturePath = imp_texture_cluster.getTitle()+".png";
double [] scan_disparity = tileClusters[nslice].getSubDisparity(sub_i); // limited to cluster bounds
boolean [] scan_selected = tileClusters[nslice].getSubSelected(sub_i); // limited to cluster bounds
int [] scan_border_int = tileClusters[nslice].getSubBorderInt(sub_i); // limited to cluster bounds
int max_border = tileClusters[nslice].getBorderIntMax();
// skipping averaging disparity for a whole cluster (needs strength and does not seem to be useful)
try {
if (alpha == null) {
......@@ -2174,6 +2196,8 @@ public class TexturedModel {
texture_bounds, // Rectangle texture_bounds, // if not null - allows trimmed combo textures
scan_selected, // scan.getSelected(),
scan_disparity, // scan.disparity_map[ImageDtt.DISPARITY_INDEX_CM],
scan_border_int, // int [] border_int,
max_border, // int max_border,
clt_parameters.transform_size,
tp.getTilesX(), // int tilesX,
tp.getTilesY(), // int tilesY,
......
src/main/java/com/elphel/imagej/x3d/export/TriMesh.java
View file @ 5893bc5e
......@@ -209,7 +209,7 @@ public class TriMesh {
* and alpha arrays may correspond to either full image or rectangular bounds, output
* array always corresponds to bounds.
*
* @param bounds Rectangle roi for output and optionally input data
* @param bounds Rectangle ROI for output and optionally input data
* @param selected_tiles selected tiles, all unselected are ignored
* @param tilesX full image width in tiles
* @param tile_size tile size (8)
......@@ -225,6 +225,7 @@ public class TriMesh {
* -1 for empty subtile.
*/
public static int [][][][] getCoordIndices( // starting with 0, -1 - not selected
final Rectangle bounds,
final boolean [] selected_tiles,
......@@ -237,22 +238,19 @@ public class TriMesh {
//TODO: add optimization (merging some in-tile triangles)
final boolean full_selection = selected_tiles.length > (bounds.height * bounds.width); // applies to selected_tiles
final boolean full_alpha = alpha.length > (bounds.height * bounds.width * tile_size * tile_size);
final int [][][][] indices = new int [bounds.height][bounds.width][][];
final Thread[] threads = ImageDtt.newThreadArray(TexturedModel.THREADS_MAX);
final AtomicInteger ai = new AtomicInteger(0);
final int source_tile_width = full_selection? tilesX : bounds.width;
// final int source_pix_width = source_tile_width * tile_size;
final int source_tile_offsx = full_selection? bounds.x : 0;
final int source_tile_offsy = full_selection? bounds.y : 0;
// final int source_pix_offsx = source_tile_offsx * tile_size;
// final int source_pix_offsy = source_tile_offsy * tile_size;
final int source_pix_offsx = (full_alpha? bounds.x : 0) * tile_size;
final int source_pix_offsy = (full_alpha? bounds.y : 0) * tile_size;
final int source_pix_width = (full_alpha? tilesX : bounds.width) * tile_size;
final boolean [][][][] nodes = new boolean [bounds.height][bounds.width][][]; // selected nodes to be enumerated
final boolean [][] emty_alpha = new boolean [bounds.height][bounds.width]; // selected tile with no opaque subtiles
final int btiles = bounds.width * bounds.height;
final AtomicInteger aindx = new AtomicInteger(0);
ai.set(0);
for (int ithread = 0; ithread < threads.length; ithread++) {
threads[ithread] = new Thread() {
......@@ -277,9 +275,11 @@ public class TriMesh {
}
if (some_sel) {
if (all_sel) {
indices[btiley][btilex] = new int [][] {{aindx.getAndIncrement()}}; // single center index
// indices[btiley][btilex] = new int [][] {{aindx.getAndIncrement()}}; // single center index
nodes[btiley][btilex] = new boolean [][] {{true}}; // single center index
} else {
indices[btiley][btilex] = new int [subdiv][subdiv];
// indices[btiley][btilex] = new int [subdiv][subdiv];
nodes[btiley][btilex] = new boolean [subdiv][subdiv];
for (int ny = 0; ny < subdiv; ny++) {
int y0 = (ny * tile_size)/subdiv;
int y1 = Math.min(((ny+1) * tile_size)/subdiv, tile_size);
......@@ -296,11 +296,77 @@ public class TriMesh {
}
}
}
nodes[btiley][btilex][ny][nx] = has_any;
/*
if (has_any) {
indices[btiley][btilex][ny][nx] = aindx.getAndIncrement();
} else {
indices[btiley][btilex][ny][nx] = -1;
}
*/
}
}
}
} else {
emty_alpha[btiley][btilex] = true;
}
}
}
}
};
}
ImageDtt.startAndJoin(threads);
// split neighbors of emty_alpha. Direction in outer cycle to prevent thread conflicts
for (int dir = 0; dir < TileNeibs.DIR_S; dir++) {
final int fdir = dir;
ai.set(0);
for (int ithread = 0; ithread < threads.length; ithread++) {
threads[ithread] = new Thread() {
public void run() {
for (int btile = ai.getAndIncrement(); btile < btiles; btile = ai.getAndIncrement()) {
int btilex = btile % bounds.width;
int btiley = btile / bounds.width;
if (emty_alpha[btiley][btilex]) { // empty_alpha a rare, this is why WE iterate over them
int btilex1 = btilex + TileNeibs.DIR_XY[fdir][0];
int btiley1 = btiley + TileNeibs.DIR_XY[fdir][1];
if ((btilex1 >= 0) && (btiley1 >= 0) &&
(btilex1 < bounds.width) && (btiley1 < bounds.height) &&
(nodes[btiley1][btilex1] != null) && (nodes[btiley1][btilex1].length == 1)) {
// split single-tile
nodes[btiley1][btilex1] = new boolean [subdiv][subdiv];
for (int ny = 0; ny < subdiv; ny++) {
Arrays.fill(nodes[btiley1][btilex1][ny], true);
}
}
}
}
}
};
}
ImageDtt.startAndJoin(threads);
}
// Assign indices to selected tiles/subtiles
final AtomicInteger aindx = new AtomicInteger(0);
final int [][][][] indices = new int [bounds.height][bounds.width][][];
ai.set(0);
for (int ithread = 0; ithread < threads.length; ithread++) {
threads[ithread] = new Thread() {
public void run() {
for (int btile = ai.getAndIncrement(); btile < btiles; btile = ai.getAndIncrement()) {
int btilex = btile % bounds.width;
int btiley = btile / bounds.width;
if (nodes[btiley][btilex] != null) {
if (nodes[btiley][btilex].length == 1) {
indices[btiley][btilex] = new int [][] {{aindx.getAndIncrement()}}; // single center index
} else {
indices[btiley][btilex] = new int [subdiv][subdiv];
for (int ny = 0; ny < subdiv; ny++) {
for (int nx = 0; nx < subdiv; nx++) {
if (nodes[btiley][btilex][ny][nx]) {
indices[btiley][btilex][ny][nx] = aindx.getAndIncrement();
} else {
indices[btiley][btilex][ny][nx] = -1;
}
}
}
......@@ -317,10 +383,64 @@ public class TriMesh {
return indices;
}
/**
* Mark border tiles that should not be connected by triangles. Tiles with border_int[] of (max_border)
* should not be connected to (max_border+1). THey are marked with 1 and 2 (all others are 0).
* @param bounds Rectangle ROI for output and optionally input data
* @param indices array of [height][width]{{index}} for large tiles and [height][width][py][px]
* for small ones. This array will be modified and re-indexed if needed.
* @param border_int border values array (same dimensions as disparity and selected) -1 - unassigned,
* 0 - not a border, 1 inner border, 2 and 3 (for max_border==2) are both outer borders,
* but they are for different "leaves" and should not be meshed
* @param max_border maximal border_int value - now 2
* @param tilesX full image width in tiles
* @param tile_size tile size (8)
* @return 2D array corresponding to top indices. Value 0 - nop, 1 and 2 should not be connected
* by any triangle.
*/
public static int [][] getNoConnect( // 0 - neutral 1 - max_neib_lev, 2 - max_neib_lev+1
final Rectangle bounds,
final int [][][][] indices,
final int [] border_int,
final int max_border,
final int tilesX,
final int tile_size
) {
final int bwidth=indices[0].length;
final int bheight=indices.length;
final boolean full_selection = border_int.length > (bounds.height * bounds.width); // applies to selected_tiles
final Thread[] threads = ImageDtt.newThreadArray(TexturedModel.THREADS_MAX);
final AtomicInteger ai = new AtomicInteger(0);
final int source_tile_width = full_selection? tilesX : bounds.width;
final int source_tile_offsx = full_selection? bounds.x : 0;
final int source_tile_offsy = full_selection? bounds.y : 0;
final int btiles = bounds.width * bounds.height;
final int [][] no_connect = new int [bheight][bwidth];
ai.set(0);
for (int ithread = 0; ithread < threads.length; ithread++) {
threads[ithread] = new Thread() {
public void run() {
for (int btile = ai.getAndIncrement(); btile < btiles; btile = ai.getAndIncrement()) {
int btilex = btile % bwidth;
int btiley = btile / bwidth;
if (indices[btiley][btilex] != null) {
int stile = (btilex + source_tile_offsx) + (btiley + source_tile_offsy) * source_tile_width;
if (border_int[stile] >= max_border) {
no_connect[btiley][btilex] = border_int[stile] - max_border + 1;
}
}
}
}
};
}
ImageDtt.startAndJoin(threads);
return no_connect;
}
/**
* Convert "large" tiles to arrays of small ones if it has a small-tile neighbor with
* gaps along the border with this one
* @param indices - array of [height][width]{{index}} for large tiles and [heigh][width][py][px]
* @param indices - array of [height][width]{{index}} for large tiles and [height][width][py][px]
* for small ones. This array will be modified and re-indexed if needed.
* @param subdiv subdivide tiles. Best if is equal to 1,2,4 and 8 that results in
* uniform tiles
......@@ -482,6 +602,48 @@ public class TriMesh {
return edge;
}
/**
* Check if triangle vertices do not cross mesh split
* @param no_connect per-tile 2D array [y][x] corresponding to indices, indicating tile border status:
* 0 - not a border, 1 and 2 - incompatible outer border tiles
* @param x0 x index of the first vertex
* @param y0 y index of the first vertex
* @param x1 x index of the second vertex
* @param y1 y index of the second vertex
* @param x2 x index of the third vertex
* @param y2 y index of the third vertex
* @return true if such triangle is possible, false - if not
*/
public static boolean sameLeafTri(
int [][] no_connect,
int x0, int y0,
int x1, int y1,
int x2, int y2) {
return sameLeafTri (new int[] {no_connect[y0][x0], no_connect[y1][x1], no_connect[y2][x2]});
}
public static boolean sameLeafTri(
int [][] no_connect,
int x0, int y0,
int x1, int y1) {
return sameLeafTri (new int[] {no_connect[y0][x0],no_connect[y1][x1]});
}
public static boolean sameLeafTri(
int [] samples) {
for (int i = 0; i < samples.length; i ++) {
if (samples[i] != 0) {
for (int j = i+1; j < samples.length; j ++) {
if ((samples[j] != 0) && (samples[j] != samples[i])) {
return false;
}
}
return true;
}
}
return true;
}
/**
* Triangulate large and small equilateral 45-degree triangles
* @param indices - array of [height][width]{{index}} for large tiles and [heigh][width][py][px]
......@@ -489,7 +651,8 @@ public class TriMesh {
* @return int [][3] - array of triangles 3 vertex indices, clockwise
*/
public static int [][] triangulateSameSize(
int [][][][] indices)
int [][][][] indices,
int [][] no_connect)
{
final int bwidth=indices[0].length;
final int bheight=indices.length;
......@@ -529,20 +692,32 @@ public class TriMesh {
if ((x > 0) &&
(indices[y + 1][x - 1] !=null) && (indices[y + 1][x - 1].length == 1) &&
(indices[y + 1][x] != null) && (indices[y + 1][x].length == 1)){
if (sameLeafTri(no_connect,
x,y,
x - 1, y + 1,
x, y+1)) {
tris_en |= (1 << TRI_DOWN_LEFT);
}
}
if (x < (bwidth - 1)) {
if ((indices[y + 1][x] != null) && (indices[y + 1][x].length == 1)){
if ((indices[y + 1][x] != null) && (indices[y + 1][x].length == 1)
&& sameLeafTri(no_connect, x, y, x, y + 1)){
if ((indices[y][x + 1] != null) && (indices[y][x + 1].length == 1)){
if (sameLeafTri(no_connect, x, y, x + 1, y, x, y + 1)) {
tris_en |= (1 << TRI_RIGHT_DOWNLEFT);
}
} else if ((indices[y + 1][x + 1] != null) && (indices[y + 1][x + 1].length ==1)){
if (sameLeafTri(no_connect, x, y, x + 1, y + 1, x, y + 1)) {
tris_en |= (1 << TRI_DOWNRIGHT_LEFT);
}
}
} else if ((indices[y][x + 1] != null) && (indices[y][x + 1].length == 1) &&
(indices[y + 1][x + 1] != null) && (indices[y + 1][x + 1].length ==1)) {
if (sameLeafTri(no_connect, x, y, x + 1, y, x + 1, y + 1)) {
tris_en |= (1 << TRI_RIGHT_DOWN);
}
}
}
if (tris_en != 0) {
tris[y][x][0][0]=TRI_NONE.clone();
for (int i = 0; i < TRI_NONE.length; i++) {
......@@ -610,18 +785,22 @@ public class TriMesh {
threads[ithread] = new Thread() {
public void run() {
boolean [] quad_corners = new boolean [TRI_NONE.length]; // 4 corners: top-left, top=right, bottom-right and borrom-left
int [] quad_no_connect = new int [TRI_NONE.length]; // 4 corners: top-left, top=right, bottom-right and borrom-left
for (int btile = ai.getAndIncrement(); btile < btiles; btile = ai.getAndIncrement()) {
int btilex = btile % bwidth;
int btiley = btile / bwidth;
if ((indices[btiley][btilex] != null) && (indices[btiley][btilex].length > 1)){ // subdivided
int [][][] tneib_indices = new int [TileNeibs.DIR_XY.length + 1][][];
int [] no_connect_local = new int [TileNeibs.DIR_XY.length + 1];
tneib_indices[8] = indices[btiley][btilex];
no_connect_local[8] = no_connect[btiley][btilex];
for (int dir = 2; dir <7; dir++) { // not all directions needed
int btx = btilex + TileNeibs.DIR_XY[dir][0];
int bty = btiley + TileNeibs.DIR_XY[dir][1];
if ((btx >= 0) && (btx < bwidth) && (bty >= 0) && (bty < bheight) &&
(indices[bty][btx] != null) && (indices[bty][btx].length > 1)) {
tneib_indices[dir] = indices[bty][btx];
no_connect_local[dir] = no_connect[bty][btx];
}
}
......@@ -643,6 +822,7 @@ public class TriMesh {
if (tneib_indices[xyd[2]] != null) {
exists = tneib_indices[xyd[2]][xyd[1]][xyd[0]] >= 0; // is populated
quad_corners[dir] = exists;
quad_no_connect[dir] = no_connect_local[xyd[2]];
}
if (exists) {
num_corn ++;
......@@ -651,12 +831,14 @@ public class TriMesh {
}
}
if (num_corn >= 3) { // all 3 corners exist
if (sameLeafTri(new int [] {quad_no_connect[1], quad_no_connect[2], quad_no_connect[3]})){
if (tris[btiley][btilex][y][x] == null) {
tris[btiley][btilex][y][x] = TRI_NONE.clone();
}
tris[btiley][btilex][y][x][TRI_DOWN_LEFT] = atri.getAndIncrement();
}
}
}
Arrays.fill(quad_corners, false);
// now try 3 other triangles
for (int i = 0; i < (2 * subdiv -1); i++) {
......@@ -667,6 +849,7 @@ public class TriMesh {
y = i - subdiv;
}
quad_corners[0] = tneib_indices[8][y][x] >= 0; // this subtile
quad_no_connect[0] = no_connect_local[8];
if (quad_corners[0]) { // all following triangles assume that top-left corner exists
int num_corn = 1;
for (int dir = 1; dir < 4; dir++) { // skipping top-left corner
......@@ -676,22 +859,41 @@ public class TriMesh {
boolean exists = false;
exists = (tneib_indices[xyd[2]] != null) && (tneib_indices[xyd[2]][xyd[1]][xyd[0]] >= 0); // is populated
quad_corners[dir] = exists;
quad_no_connect[dir] = no_connect_local[xyd[2]];
if (exists) {
num_corn ++;
}
}
if (num_corn >= 3) {
boolean was_null = false; // to remove after
int ntri = 0;
if (tris[btiley][btilex][y][x] == null) {
tris[btiley][btilex][y][x] = TRI_NONE.clone();
was_null = true;
}
if (quad_corners[3]) {
if (quad_corners[1]) {
if (sameLeafTri(new int []
{quad_no_connect[0], quad_no_connect[1], quad_no_connect[3]})){
tris[btiley][btilex][y][x][TRI_RIGHT_DOWNLEFT] = atri.getAndIncrement();
ntri++;
}
} else {
if (sameLeafTri(new int []
{quad_no_connect[0], quad_no_connect[2], quad_no_connect[3]})){
tris[btiley][btilex][y][x][TRI_DOWNRIGHT_LEFT] = atri.getAndIncrement();
ntri++;
}
}
} else {
if (sameLeafTri(new int []
{quad_no_connect[0], quad_no_connect[1], quad_no_connect[2]})){
tris[btiley][btilex][y][x][TRI_RIGHT_DOWN] = atri.getAndIncrement();
ntri++;
}
}
if ((ntri == 0) && was_null) { // only remove if it was null before
tris[btiley][btilex][y][x] = null;
}
}
}
......@@ -777,7 +979,8 @@ public class TriMesh {
* @return int [][3] - array of triangles 3 vertex indices, clockwise
*/
public static int [][] connectLargeSmallTriangles(
int [][][][] indices)
int [][][][] indices,
int [][] no_connect)
{
final int bwidth=indices[0].length;
final int bheight=indices.length;
......@@ -799,6 +1002,10 @@ public class TriMesh {
// from the last 2 (90 degrees CCW from the first 1)
// type 5 (4 dirs, 1 triangle):
// 1 in ortho, 2 CCW from it, 1 CCW from 1. Does not need mirror
// type 6 (4 dirs, 1 triangle):
// 1 in ortho, 1 CCW from it, 0 CCW from 1.
// type 7 (4 dirs, 1 triangle) (mirror of 6)
// 1 in ortho, 1 CW from it, 0 CW from 1.
// First pass - reserving triangles indices
final Thread[] threads = ImageDtt.newThreadArray(TexturedModel.THREADS_MAX);
......@@ -814,6 +1021,8 @@ public class TriMesh {
if ((indices[btiley][btilex] != null) && (indices[btiley][btilex].length >1)) { // only for subdivided
int [] tneib_types = new int [TileNeibs.DIR_XY.length + 1];
tneib_types[8] = 2;
int [] no_connect_local = new int [TileNeibs.DIR_XY.length + 1];
no_connect_local[8] = no_connect[btiley][btilex];
int subdiv = indices[btiley][btilex].length;
boolean has_full_neib = false;
for (int dir = 0; dir < 8; dir++) { // not all directions needed
......@@ -821,23 +1030,22 @@ public class TriMesh {
int bty = btiley + TileNeibs.DIR_XY[dir][1];
if ((btx >= 0) && (btx < bwidth) && (bty >= 0) && (bty < bheight) &&
(indices[bty][btx] != null)) {
tneib_types[dir] = 0;
// if (indices[bty][btx] != null) {
tneib_types[dir] = (indices[bty][btx].length > 1) ? 2 : 1;
// }
no_connect_local[dir] = no_connect[bty][btx];
// all modes 0..4 require 2-1 in ortho direction
has_full_neib |= (tneib_types[dir] == 1) && ((dir & 1) == 0);
}
}
if (has_full_neib) {
tris[btiley][btilex] = new int [6][4]; // [types][directions
tris[btiley][btilex] = new int [8][4]; // [types][directions
for (int i = 0; i < tris[btiley][btilex].length; i++) {
Arrays.fill(tris[btiley][btilex][i], -1);
}
// reserve indices for type0:
for (int dir = 0; dir < 4; dir++) {
int tneib = tneib_types[2*dir];
if (tneib == 1) {
if ((tneib == 1) && sameLeafTri(new int []
{no_connect_local[8], no_connect_local[2*dir]})) {
tris[btiley][btilex][0][dir] = atri.getAndAdd(subdiv - 1);
}
}
......@@ -846,7 +1054,11 @@ public class TriMesh {
int tneib = tneib_types[2*dir]; // pointed
int tneib1= tneib_types[(2*dir+7) % 8]; // CCW 1 from pointed
int tneib2= tneib_types[(2*dir+6) % 8]; // CCW 2 from pointed
if ((tneib == 1) && (tneib1 != 2) && (tneib2 == 1)) {
if ((tneib == 1) && (tneib1 != 2) && (tneib2 == 1) &&
sameLeafTri(new int [] {
no_connect_local[8],
no_connect_local[2*dir],
no_connect_local[(2*dir+6) % 8]})) {
tris[btiley][btilex][1][dir] = atri.getAndAdd(1);
}
}
......@@ -855,7 +1067,11 @@ public class TriMesh {
int tneib = tneib_types[2*dir]; // pointed
int tneib1= tneib_types[(2*dir+7) % 8]; // CCW 1 from pointed
int tneib2= tneib_types[(2*dir+6) % 8]; // CCW 2 from pointed
if ((tneib == 1) && (tneib1 == 2) && (tneib2 != 1)) {
if ((tneib == 1) && (tneib1 == 2) && (tneib2 != 1) &&
sameLeafTri(new int [] {
no_connect_local[8],
no_connect_local[2*dir],
no_connect_local[(2*dir+7) % 8]})) {
tris[btiley][btilex][2][dir] = atri.getAndAdd(1);
}
}
......@@ -864,16 +1080,27 @@ public class TriMesh {
int tneib = tneib_types[2*dir]; // pointed
int tneib1= tneib_types[(2*dir+1) % 8]; // CW 1 from pointed
int tneib2= tneib_types[(2*dir+2) % 8]; // CW 2 from pointed
if ((tneib == 1) && (tneib1 == 2) && (tneib2 != 1)) {
if ((tneib == 1) && (tneib1 == 2) && (tneib2 != 1) &&
sameLeafTri(new int [] {
no_connect_local[8],
no_connect_local[2*dir],
no_connect_local[(2*dir+1) % 8]})) {
tris[btiley][btilex][3][dir] = atri.getAndAdd(1);
}
}
// reserve indices for type4:
// simplified for discontinuities/borders: turn on/off both triangles
// at once.
for (int dir = 0; dir < 4; dir++) {
int tneib = tneib_types[2*dir]; // pointed
int tneib1= tneib_types[(2*dir+7) % 8]; // CCW 1 from pointed
int tneib2= tneib_types[(2*dir+6) % 8]; // CCW 2 from pointed
if ((tneib == 1) && (tneib1 == 1) && (tneib2 == 2)) {
if ((tneib == 1) && (tneib1 == 1) && (tneib2 == 2) &&
sameLeafTri(new int [] {
no_connect_local[8],
no_connect_local[2*dir],
no_connect_local[(2*dir+7) % 8],
no_connect_local[(2*dir+6) % 8]})) {
tris[btiley][btilex][4][dir] = atri.getAndAdd(2);
}
}
......@@ -882,10 +1109,41 @@ public class TriMesh {
int tneib = tneib_types[2*dir]; // pointed
int tneib1= tneib_types[(2*dir+7) % 8]; // CCW 1 from pointed
int tneib2= tneib_types[(2*dir+6) % 8]; // CCW 2 from pointed
if ((tneib == 1) && (tneib1 == 2) && (tneib2 == 1)) {
if ((tneib == 1) && (tneib1 == 2) && (tneib2 == 1) &&
sameLeafTri(new int [] {
no_connect_local[8],
no_connect_local[2*dir],
no_connect_local[(2*dir+7) % 8]})) {
tris[btiley][btilex][5][dir] = atri.getAndAdd(1);
}
}
// reserve indices for type6:
for (int dir = 0; dir < 4; dir++) {
int tneib = tneib_types[2*dir]; // pointed
int tneib1= tneib_types[(2*dir+7) % 8]; // CCW 1 from pointed
int tneib2= tneib_types[(2*dir+6) % 8]; // CCW 2 from pointed
if ((tneib == 1) && (tneib1 == 1) && (tneib2 == 0) &&
sameLeafTri(new int [] {
no_connect_local[8],
no_connect_local[2*dir],
no_connect_local[(2*dir+7) % 8]})) {
tris[btiley][btilex][6][dir] = atri.getAndAdd(1);
}
}
// reserve indices for type7: (mirror of 6)
for (int dir = 0; dir < 4; dir++) {
int tneib = tneib_types[2*dir]; // pointed
int tneib1= tneib_types[(2*dir+1) % 8]; // CW 1 from pointed
int tneib2= tneib_types[(2*dir+2) % 8]; // CW 2 from pointed
if ((tneib == 1) && (tneib1 == 1) && (tneib2 == 0) &&
sameLeafTri(new int [] {
no_connect_local[8],
no_connect_local[2*dir],
no_connect_local[(2*dir+1) % 8]})) {
tris[btiley][btilex][7][dir] = atri.getAndAdd(1);
}
}
}
}
}
......@@ -997,6 +1255,30 @@ public class TriMesh {
tri_indices[tri_index][2] = indx_1;
}
}
// build triangles for type6:
for (int dir4 = 0; dir4 < 4; dir4++) {
int tri_index = tris[btiley][btilex][6][dir4]; // type6
if (tri_index >= 0) {
int [] edge = getEdgeIndices(tneib_indices [8], dir4);
int indx_1 = tneib_indices[2 * dir4][0][0];
int indx_2 = tneib_indices[(2 * dir4 + 7) % 8][0][0];
tri_indices[tri_index][0] = indx_1;
tri_indices[tri_index][1] = edge[subdiv_m1];
tri_indices[tri_index][2] = indx_2;
}
}
// build triangles for type7:
for (int dir4 = 0; dir4 < 4; dir4++) {
int tri_index = tris[btiley][btilex][7][dir4]; // type7
if (tri_index >= 0) {
int [] edge = getEdgeIndices(tneib_indices [8], dir4);
int indx_1 = tneib_indices[2 * dir4][0][0];
int indx_2 = tneib_indices[(2 * dir4 + 1) % 8][0][0];
tri_indices[tri_index][0] = indx_2;
tri_indices[tri_index][1] = edge[0];
tri_indices[tri_index][2] = indx_1;
}
}
}
}
}
......@@ -1014,10 +1296,11 @@ public class TriMesh {
* @return int [][3] - array of triangles 3 vertex indices, clockwise
*/
public static int [][] triangulateAll(
int [][][][] indices)
int [][][][] indices,
int [][] no_connect)
{
int [][] tri_same = triangulateSameSize(indices);
int [][] tri_inter = connectLargeSmallTriangles(indices);
int [][] tri_same = triangulateSameSize (indices, no_connect);
int [][] tri_inter = connectLargeSmallTriangles (indices, no_connect);
int [][] triangles = new int [tri_same.length + tri_inter.length][];
System.arraycopy(tri_same, 0, triangles, 0, tri_same.length);
System.arraycopy(tri_inter, 0, triangles, tri_same.length, tri_inter.length);
......@@ -1910,6 +2193,8 @@ public class TriMesh {
// Below selected and disparity are bounds.width*bounds.height
boolean [] selected, // may be either tilesX * tilesY or bounds.width*bounds.height
double [] disparity, // if null, will use min_disparity
int [] border_int,
int max_border,
int tile_size,
int tilesX,
int tilesY,
......@@ -1927,11 +2212,29 @@ public class TriMesh {
int debug_level
) throws IOException
{
boolean show_triangles = tri_img != null;
// boolean show_triangles = tri_img != null;
if (bounds == null) {
return; // not used in lwir
}
boolean display_triangles = debug_level > 0;
boolean display_src = debug_level > 1;
if (display_src) {
double [][] dbg_img = new double [3][selected.length];
for (int i = 0; i < dbg_img[0].length; i++) {
dbg_img[0][i] = disparity[i];
dbg_img[1][i] = selected[i]? 20.0 : 0.0;
dbg_img[2][i] = border_int[i] * 10;
}
ShowDoubleFloatArrays.showArrays(
dbg_img,
bounds.width,
bounds.height,
true,
"src_for_triangles",
new String[] {"disparity", "selected","borders"});
}
/*
......@@ -1956,6 +2259,13 @@ public class TriMesh {
alpha, // final boolean [] alpha,
subdivide_mesh, // final int subdiv,
pnum_indices); // final int [] num_indices
int [][] no_connect = getNoConnect( // 0 - neutral 1 - max_neib_lev, 2 - max_neib_lev+1
bounds, // final Rectangle bounds,
indices, // final int [][][][] indices,
border_int, // final int [] border_int,
max_border, // final int max_border,
tilesX, // final int tilesX,
tile_size); // final int tile_size,
/*
* Convert "large" tiles to arrays of small ones if it has a small-tile neighbor with
* gaps along the border with this one
......@@ -2001,7 +2311,9 @@ public class TriMesh {
* large (tile size) and small (tile subdivisions) and add connections between large and small ones
*/
int [][] triangles = triangulateAll(
indices);
indices, // int [][][][] indices,
no_connect); // int [][] no_connect)
System.out.println("generateClusterX3d(): got "+triangles.length+" triangles");
final boolean plot_center = true;
final double line_color = 1.0;
......
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