Debug, cleaning and optimization.

apps/nexus/border.h

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.6  2005/01/21 17:09:12  ponchio
+Porting and debug.
+
 Revision 1.5  2004/10/08 14:46:26  ponchio
 Working version.
 
@@ -77,7 +80,7 @@ class Border {
     links(l), used(_used), size(_size), start(0) {}
   unsigned int Size() { return used; }
   //TODO rename available to capacity.
-  unsigned int Available() { return size; }
+  unsigned int Capacity() { return size; }
   Link &operator[](unsigned int i) { return links[i]; }
   Link *Start() { return links; }
 

apps/nexus/borderserver.cpp

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.10  2005/02/08 12:43:03  ponchio
+Added copyright
+
 
 ****************************************************************************/
 
@@ -86,6 +89,9 @@ Border &BorderServer::GetBorder(unsigned int border, bool flush) {
     index[border] = pqueue.begin();
   } else {
     while(flush && ram_used > ram_max) { 
+      if(!pqueue.size()) {
+	cerr << "Ram used: " << ram_used << " ram max: " << ram_max << endl;
+      }
       assert(pqueue.size());
       unsigned int to_flush = pqueue.back();
       pqueue.pop_back();
@@ -115,6 +121,8 @@ void BorderServer::ResizeBorder(unsigned int border, unsigned int used) {
   unsigned int newstart = Length()/sizeof(Link);  
   Redim((int64)(newstart + capacity) * (int64)sizeof(Link));
   Link *newlinks = new Link[capacity];
+  ram_used += (capacity - entry.size);
+
   if(entry.used > 0) {
     assert(entry.links);
     memcpy(newlinks, entry.links, entry.used * sizeof(Link));

apps/nexus/borderserver.h

@@ -24,6 +24,8 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.5  2005/02/08 12:43:03  ponchio
+Added copyright
 
 ****************************************************************************/
 
@@ -44,14 +46,6 @@ $Log: not supported by cvs2svn $
 
 namespace nxs {
 
-  //This should be Border class!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-/*struct BorderEntry {
-  unsigned int start; //granuralita' Link
-  unsigned short size; //in Links             //TODO what are this? be clear!
-  unsigned short used; //in Links
-  Link *links;
-};*/
-
 class BorderServer: public IndexFile<Border> {
  public:
   BorderServer(): ram_max(1000000), ram_used(0) {}
@@ -65,15 +59,9 @@ class BorderServer: public IndexFile<Border> {
   Border &GetBorder(unsigned int border, bool flush = true);  
   void ResizeBorder(unsigned int border, unsigned int size);
 
-  /*unsigned int BorderSize(unsigned int i) { 
-    return operator[](i).used; 
-  }
-  unsigned int BorderCapacity(unsigned int i) { 
-    return operator[](i).size; 
-  } */
- protected:
   unsigned int ram_max;
   unsigned int ram_used;		
+ protected:
   std::list<unsigned int> pqueue;
   std::map<unsigned int, std::list<unsigned int>::iterator> index;
 

apps/nexus/crude.cpp

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.3  2004/11/30 22:50:30  ponchio
+Level 0.
+
 Revision 1.2  2004/07/02 13:08:11  ponchio
 Changed extension to .cri, crv, crf
 
@@ -36,6 +39,7 @@ Created
 
 ****************************************************************************/
 
+#include <stdio.h>
 #include "crude.h"
 
 using namespace std;

apps/nexus/crude.h

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.5  2004/11/30 22:50:30  ponchio
+Level 0.
+
 Revision 1.4  2004/07/05 15:49:38  ponchio
 Windows (DevCpp, mingw) port.
 
@@ -45,7 +48,7 @@ Created
 #ifndef NXS_CRUDE_H
 #define NXS_CRUDE_H
 
-#include <stdio.h>
+
 #include <string>
 #include <vcg/space/point3.h>
 #include <vcg/space/box3.h>

apps/nexus/metric.h

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.8  2005/02/21 20:49:30  ponchio
+some culling bug.
+
 Revision 1.7  2005/02/20 19:49:44  ponchio
 cleaning (a bit more).
 
@@ -90,7 +93,7 @@ namespace nxs {
 	    visible = false;
 	  error /= remote;
 	} else if(entry.cone.Backface(sph, frustum.ViewPoint())) {
-	  //visible = false;
+	  visible = false;
 	}
       }
       return error;

apps/nexus/nexusmt.cpp

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.35  2005/02/20 19:49:44  ponchio
+cleaning (a bit more).
+
 Revision 1.34  2005/02/20 18:07:01  ponchio
 cleaning.
 
@@ -241,8 +244,8 @@ void NexusMt::Draw(unsigned int cell, DrawContest &contest) {
     
     fstart = NULL;
     vstart = NULL;
-    cstart = (char *)(64 * (int)patch.vstartc);
+    cstart = (char *)(patch.vstartc - patch.vstart);
-    nstart = (char *)(64 * (int)patch.vstartn);
+    nstart = (char *)(patch.vstartn - patch.vstart);
   } else {
     fstart = (char *)patch.FaceBegin();
     vstart = (char *)patch.Vert3fBegin();
@@ -388,7 +391,7 @@ void NexusMt::LoadVbo(Entry &entry) {
   vbo_used += size;
   
   //TODO fix this when we allow data :p
-  size = 64 * (int)patch.vstartd;
+  size = patch.vstartd - patch.vstart;
     
   glGenBuffersARB(1, &entry.vbo_array);
   assert(entry.vbo_array);
@@ -410,7 +413,7 @@ void NexusMt::FlushVbo(Entry &entry) {
 
   Patch &patch  = *entry.patch; 
   vbo_used -= patch.nf * sizeof(unsigned short);
-  vbo_used -= sizeof(float) * patch.vstartd;
+  vbo_used -= sizeof(float) * (patch.vstart - patch.vstartd);
 }
 
 //Kept for historical reasons.

apps/nexus/nxsalgo.cpp

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.22  2005/02/21 17:55:36  ponchio
+debug debug debug
+
 Revision 1.21  2005/02/20 18:07:01  ponchio
 cleaning.
 
@@ -61,62 +64,185 @@ using namespace std;
 using namespace nxs;
 using namespace vcg;
 
-#include "tristripper/tri_stripper.h"
-using namespace triangle_stripper;
 
+void nxs::Connect(Nexus &nexus, std::vector< set<unsigned int> > &close, 
+		  float threshold) {
 
-/*void nxs::TightSphere(vcg::Sphere3f &sphere, 
+  VPartition grid;
-		      std::vector<vcg::Point3f> &points) {
+  float max_radius = 0;
-  //test:
-  //assumes radius is ok.... and try to optimize moving center.
-  //TODO using a gradiend descent? really a mess.
-  Point3f center;
-  float radius;
-  Point3f pert[14];
-  while(1) {
-    radius = sphere.Radius();
-    float step = radius/40;
-    pert[0] = Point3f(step, 0, 0);
-    pert[1] = -pert[0];
-    pert[2] = Point3f(0, step, 0);
-    pert[3] = -pert[2];
-    pert[4] = Point3f(0, 0, step);
-    pert[5] = -pert[4];
-    pert[6] = Point3f(step, step, step);
-    pert[7] = Point3f(step, step, -step);
-    pert[8] = Point3f(step, -step, step);
-    pert[9] = Point3f(step, -step, -step);
-    pert[10] = Point3f(-step, step, step);
-    pert[11] = Point3f(-step, step, -step);
-    pert[12] = Point3f(-step, -step, step);
-    pert[13] = Point3f(-step, -step, -step);
   
-    unsigned int best = 14;
+  for(unsigned int patch = 0; patch < nexus.size(); patch++) {
-    float best_radius = sphere.Radius();
+    Sphere3f &sphere = nexus[patch].sphere;
-
+    grid.push_back(sphere.Center());
-    for(unsigned int k = 0; k < 14; k++) {
+    float r = sphere.Radius();
-      center = sphere.Center() + pert[k];
+    if(r > max_radius) max_radius = r;
-      radius = 0;
-      for(unsigned int i = 0; i < points.size(); i++) {
-	float r = 1.01 * Distance(center, points[i]);
-	  if(r > radius)
-	    radius = r;
   }
-      if(radius < best_radius) {
+  grid.Init();
-	best = k;
+  close.clear();
-	best_radius = radius;
+  close.resize(nexus.size());
+
+  vector<int> targets;
+  vector<double> dists;
+  for(unsigned int patch = 0; patch < nexus.size(); patch++) {
+    float radius = nexus[patch].sphere.Radius();
+    float max_distance = radius + max_radius + threshold;
+    max_distance *= max_distance;
+    grid.Closest(grid[patch], targets, dists, max_distance);
+
+    for(unsigned int i = 0; i < targets.size(); i++) {
+      unsigned int target = targets[i];
+      if(target == patch) continue;
+      float dist = radius + nexus[target].sphere.Radius() + threshold;
+      dist *= dist;
+      if(dist >= dists[i]) {
+	close[patch].insert(target);     
       }
     }
-    if(best == 14) break;
-    sphere.Center() = sphere.Center() + pert[best];
-    sphere.Radius() = best_radius;
   }
-  }*/
-
   
+  //DOUBLECROSS CHECK
+  for(unsigned int patch = 0; patch < nexus.size(); patch++) {
+    set<unsigned int>::iterator i;
+    for(i = close[patch].begin(); i != close[patch].end(); i++) {
+      if(!close[*i].count(patch)) {
+	cerr << "Some problem width sphere intersection. Have alook.\n";
+	cerr << "Meanwhile i fix it.\n";
+	close[*i].insert(patch);
+      }
+    }
+  }
+}
 
 void nxs::ComputeNormals(Nexus &nexus) { 
   assert(nexus.signature.vnorm);
+  assert(!nexus.borders.IsReadOnly()); 
+
+  //first calculate level 0 normals
+  //I load all patches in a fragment
+  //calculate normals
+  //fix external borders getting from level below
+
+  //first try naive approach just load neighborough get normals and
+  //fix border with lower level
+
+  vector<int> levels;
+  nexus.history.BuildLevels(levels); 
+  Report report(nexus.size(), 15);
+
+  //TODO check level 0 is the finer onr
+
+  int current_level = 0;
+  while(1) {
+    int count = 0;
+    for(unsigned int p = 0; p < nexus.size(); p++) {
+      if(levels[p] != current_level) continue;
+      count++;
+      report.Step(p);
+
+      Border &border = nexus.GetBorder(p);
+
+      map<unsigned int, vector<Point3f> > normals;
+      normals[p] = vector<Point3f>();
+
+      for(unsigned int i = 0; i < border.Size(); i++) {
+	Link &link = border[i];
+	if(levels[link.end_patch] == current_level)
+	  normals[link.end_patch] = vector<Point3f>();
+      }
+      map<unsigned int, vector<Point3f> >::iterator k;
+      for(k = normals.begin(); k != normals.end(); k++) {
+	Patch &patch = nexus.GetPatch((*k).first);
+
+	vector<Point3f> &normal = (*k).second;
+	normal.resize(patch.nv, Point3f(0, 0, 0));    
+      
+	if(nexus.signature.face == Signature::TRIANGLES) {
+	  for(unsigned int i = 0; i < patch.nf; i++) {
+	    unsigned short *f = patch.Face(i);
+	    Point3f &v0 = patch.Vert3f(f[0]);
+	    Point3f &v1 = patch.Vert3f(f[1]);
+	    Point3f &v2 = patch.Vert3f(f[2]);
+	    Point3f norm = (v1 - v0) ^ (v2 - v0); 
+	    normal[f[0]] += norm;
+	    normal[f[1]] += norm;
+	    normal[f[2]] += norm;
+	  }
+	} else if(nexus.signature.face == Signature::STRIPS) {
+	  for(int i = 0; i < patch.nf - 2; i++) {
+	    unsigned short *f = patch.FaceBegin() + i;
+	    Point3f &v0 = patch.Vert3f(f[0]);
+	    Point3f &v1 = patch.Vert3f(f[1]);
+	    Point3f &v2 = patch.Vert3f(f[2]);
+	    Point3f norm = (v1 - v0) ^ (v2 - v0); 
+	    if(i%2) norm = -norm;
+	    normal[f[0]] += norm;
+	    normal[f[1]] += norm;
+	    normal[f[2]] += norm;
+	  }
+	} else
+	  assert(0);
+      }
+
+      //now fix borders
+      map<unsigned int, vector<Link> > lowers;
+      for(unsigned int i = 0; i < border.Size(); i++) {
+	Link &link = border[i];
+	if(levels[link.end_patch] == current_level) {
+	  //TODO remove these asserts
+	  assert(normals[p].size() > link.start_vert);
+	  assert(normals.count(link.end_patch));
+	  assert(normals[link.end_patch].size() > link.end_vert);
+	  normals[p][link.start_vert] += normals[link.end_patch][link.end_vert];
+	} else if (levels[link.end_patch] < current_level) {
+	  lowers[link.end_patch].push_back(link);
+	}
+      }
+
+      map<unsigned int, vector<Link> >::iterator s;
+      for(s = lowers.begin(); s != lowers.end(); s++) {
+	Patch &patch = nexus.GetPatch((*s).first);
+	for(unsigned int i = 0; i < (*s).second.size(); i++) {
+	  Link &link = (*s).second[i];
+	  if(nexus.signature.vnorm == Encodings::FLOAT3) 
+	    normals[p][link.start_vert] = 
+	      ((Point3f *)patch.VNormBegin())[link.end_vert];
+	  else if(nexus.signature.vnorm == Encodings::SHORT4) {
+	    Point3f &nor = normals[p][link.start_vert];
+	    short *n = ((short *)patch.VNormBegin()) + 4*link.end_vert;
+	    nor[0] = n[0];
+	    nor[1] = n[1];
+	    nor[2] = n[2];
+	  }
+	}
+      }
+      //copy and normalize
+      Patch &patch = nexus.GetPatch(p);
+      Entry &entry = nexus[p];
+      Point3f *norm = (Point3f *)patch.VNormBegin();
+      vector<Point3f> &newnormals = normals[p];
+      assert(newnormals.size() == patch.nv);
+      for(unsigned int i = 0; i < patch.nv; i++) {
+	newnormals[i].Normalize();
+	if(nexus.signature.vnorm == Encodings::SHORT4) {
+	  newnormals[i] *= 32766;
+	  short *np = ((short *)norm) + 4 * i;
+	  np[0] = (short)newnormals[i][0];
+	  np[1] = (short)newnormals[i][1];
+	  np[2] = (short)newnormals[i][2];
+	  np[3] = 0;
+	} else if(nexus.signature.vnorm == Encodings::FLOAT3) 
+	  norm[i] = newnormals[i];
+      }
+    }
+    if(count == 0) break;
+    current_level++;
+  }
+}
+
+
+
+/*void nxs::ComputeNormals(Nexus &nexus) {
+  assert(nexus.signature.vnorm);
 
   //setting borders readonly:
 
@@ -254,36 +380,6 @@ void nxs::ComputeNormals(Nexus &nexus) {
 	}
       }
     }
-    
-
-
-    /*    set<unsigned int> close;
-    for(unsigned int i = 0; i < border.Size(); i++) {
-      Link &link = border[i];
-      if(link.IsNull()) continue;
-      unsigned int off = tmpb_start[p];
-      Point3f p = tmpb.read(off + i);
-      p += normals[link.start_vert];
-      tmpb.write(off + i, p);
-      //      tmpb[off + i] += normals[link.start_vert];
-      close.insert(link.end_patch);
-    }
-
-    set<unsigned int>::iterator k;
-    for(k = close.begin(); k != close.end(); k++) {
-      Border &remote = nexus.GetBorder(*k);
-      unsigned int off = tmpb_start[*k];
-
-      for(unsigned int i = 0; i < remote.Size(); i++) {
-	Link &link = remote[i];
-	if(link.IsNull()) continue;
-	if(link.end_patch != p) continue;
-	Point3f p = tmpb.read(off + i);
-	p += normals[link.end_vert];
-	tmpb.write(off + i, p);
-	//	tmpb[off + i] += normals[link.end_vert];
-      }
-    }*/
     } 
 
   //Second step unify normals across borders
@@ -321,60 +417,9 @@ void nxs::ComputeNormals(Nexus &nexus) {
   tmpb.Delete();
   //TODO remove temporary file.
   nexus.borders.SetReadOnly(false);
-}
+  }*/
-
-void nxs::ComputeTriStrip(unsigned short nfaces, unsigned short *faces, 
-		  vector<unsigned short> &strip) {
 
 
-  vector<unsigned int> index;
-  index.resize(nfaces*3);
-  for(int i = 0; i < nfaces*3; i++) {
-    index[i] = faces[i];
-  }
-  int cache_size = 0;
-  tri_stripper stripper(index);
-  stripper.SetCacheSize(cache_size);		
-  // = 0 will disable the cache optimizer
-  stripper.SetMinStripSize(0);
-  tri_stripper::primitives_vector primitives;
-  stripper.Strip(&primitives);
-
-  if(primitives.back().m_Indices.size() < 3) {
-    primitives.pop_back();
-  }
-  //TODO spostare questo dentro il ciclo che rimonta le strip.
-  if(primitives.back().m_Type == tri_stripper::PT_Triangles) {
-    tri_stripper::primitives p;
-    p = primitives.back();
-    primitives.pop_back();		
-    for(unsigned int i = 0; i < p.m_Indices.size(); i += 3) {
-      tri_stripper::primitives s;
-      s.m_Type = tri_stripper::PT_Triangle_Strip;
-      s.m_Indices.push_back(p.m_Indices[i]);
-      s.m_Indices.push_back(p.m_Indices[i+1]);
-      s.m_Indices.push_back(p.m_Indices[i+2]);
-      primitives.push_back(s);
-    }
-  }
-  
-  for(unsigned int i = 0; i < primitives.size(); i++) {
-    tri_stripper::primitives &primitive = primitives[i];
-    assert(primitive.m_Indices.size() != 0);
-    int len = primitive.m_Indices.size();
-    for(int l = 0; l < len; l++)  		
-      strip.push_back(primitive.m_Indices[l]);
-    
-    
-    if(i < primitives.size()-1) { //not the last primitive.
-      strip.push_back(primitive.m_Indices[len-1]);
-      //TODO optimize this!
-      if((len%2) == 1) 	//do not change orientation....
-	strip.push_back(primitive.m_Indices[len-1]);
-      strip.push_back(primitives[i+1].m_Indices[0]);
-    }			
-  }
-}
 
 /*
   //TODO why i created this function? wonder...
@@ -415,6 +460,35 @@ void nxs::Reorder(Signature &signature, Patch &patch) {
     }*/
 
 //TODO actually use threshold
+
+void nxs::Unify(Nexus &nexus, float threshold) {
+  /*  threshold = 0.00001;
+  unsigned int duplicated = 0;
+  unsigned int degenerate = 0;
+
+  for(unsigned int p = 0; p < nexus.size(); p++) {
+    if(levels[p] != current_level) continue;
+    count++;
+    report.Step(p);
+    
+    Border &border = nexus.GetBorder(p);
+    
+      map<unsigned int, vector<Point3f> > normals;
+      normals[p] = vector<Point3f>();
+      
+      for(unsigned int i = 0; i < border.Size(); i++) {
+	Link &link = border[i];
+	if(levels[link.end_patch] == current_level)
+	  normals[link.end_patch] = vector<Point3f>();
+      }
+      map<unsigned int, vector<Point3f> >::iterator k;
+      for(k = normals.begin(); k != normals.end(); k++) {
+	Patch &patch = nexus.GetPatch((*k).first);
+      }
+      }*/
+}
+
+/*
 void nxs::Unify(Nexus &nexus, float threshold) {
   threshold = 0.001;
   //TODO what if colors or normals or strips?
@@ -551,7 +625,7 @@ void nxs::Unify(Nexus &nexus, float threshold) {
   if(degenerate)
     cerr << "Found " << degenerate << " degenerate face while unmifying\n";
 }
-
+*/
 void nxs::ZSort(Nexus &nexus, vector<unsigned int> &forward,
 		vector<unsigned int> &backward) {
   //lets get a bounding box from the sphere:
@@ -590,3 +664,4 @@ void nxs::ZSort(Nexus &nexus, vector<unsigned int> &forward,
   for(unsigned int i = 0; i < backward.size(); i++) 
     backward[forward[i]] = i;
 }
+

apps/nexus/nxsalgo.h

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.8  2005/02/21 17:55:36  ponchio
+debug debug debug
+
 Revision 1.7  2005/02/20 18:07:01  ponchio
 cleaning.
 
@@ -42,6 +45,7 @@ Added copyright
 #ifndef NXS_ALGO_H
 #define NXS_ALGO_H
 
+#include <set>
 #include <vector>
 #include "patch.h"
 #include <vcg/space/sphere3.h>
@@ -58,10 +62,13 @@ namespace nxs {
     bool operator<(const ZEntry &e) const { return pos < e.pos; }
   };
 
+  //for every patch return close by (sphere intersecting)
+  //threshold is added to the distance to make sure we do not miss anything
+  void Connect(Nexus &nexus, std::vector< std::set<unsigned int> > &close,
+	       float threshold);
+
   void ComputeNormals(Nexus &nexus);
-  void ComputeTriStrip(unsigned short nfaces, unsigned short *faces, 
+
-		    std::vector<unsigned short> &strip);
-  void Reorder(Signature &signature, nxs::Patch &patch);
   void Unify(Nexus &nexus, float threshold);
   void ZSort(Nexus &nexus, std::vector<unsigned int> &forward,
 	     std::vector<unsigned int> &backward);

apps/nexus/nxsbuilder.cpp

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.20  2005/02/21 17:55:47  ponchio
+debug debug debug
+
 Revision 1.19  2005/02/20 18:07:01  ponchio
 cleaning.
 
@@ -432,7 +435,6 @@ void FourthStep(const string &crudefile, const string &output,
     exit(0);
   }
   nexus.MaxRam() = ram_buffer / nexus.chunk_size;  
-  //TODO Clear borders in case of failure!
 
   VFile<unsigned int> vert_remap;
   if(!vert_remap.Load(output + ".rvm", true)) {
@@ -446,58 +448,36 @@ void FourthStep(const string &crudefile, const string &output,
     exit(0);
   }
 
-  /*float max_radius = 0;
+  vector<set<unsigned int> > close;
-  VPartition grid;
+  Connect(nexus, close, 0.0001);
-  for(int start = 0; start < nexus.size(); start++) {    
-    Entry &entry = nexus[start];
-    Sphere3f &sphere = entry.sphere;
-    if(sphere.Radius() > max_radius) max_radius = sphere.Radius();
-    grid.push_back(sphere.Center());
-  }
-  grid.Init();
-  max_radius *= max_radius * 4;
-  vector<int> nears;
-  vector<float> dists;   */
-    
 
   Report report(nexus.size());
 
   for(int start = 0; start < nexus.size(); start++) {    
     report.Step(start);
-    Entry &s_entry = nexus[start];
+    //        Entry &s_entry = nexus[start];
-    Sphere3f &sphere = s_entry.sphere;
+    //        Sphere3f &sphere = s_entry.sphere;
 
     vector<Link> links;   
-#ifdef WIN32
-    hash_map<unsigned int, unsigned short> vremap;
-#else
     map<unsigned int, unsigned short> vremap;
-#endif
     for(unsigned int i = 0; i < vert_index[start].size; i++) {
       unsigned int global = vert_remap[vert_index[start].offset + i];      
       vremap[global] = i;
     }    
     
-    /*unsigned int n_nears = 10;    
+    //    for(int end = 0; end < nexus.size(); end++) {
-    while(1) {
+    //      if(start == end) continue;      
-      if(n_nears > grid.size()) n_nears = grid.size();  
+    set<unsigned int>::iterator t;
-      grid.Closest(sphere.Center(), n_nears, nears, dists);
+    for(t = close[start].begin(); t != close[start].end(); t++) {
-      if(dists.back() > max_radius) break;
+      unsigned int end = (*t);
-      if(n_nears == grid.size()) break;
-      n_nears *= 2;      
-    }
       
-    for(int n = 0; n < nears.size(); n++) {
+      //      Entry &e_entry = nexus[end];
-      unsigned int end = nears[n]; */
+      //      float dist = Distance(s_entry.sphere.Center(), e_entry.sphere.Center());
-    for(int end = 0; end < nexus.size(); end++) {
-      if(start == end) continue;      
       
-      Entry &e_entry = nexus[end];
+      //      if(dist > s_entry.sphere.Radius() + e_entry.sphere.Radius()) {
-      float dist = Distance(s_entry.sphere, e_entry.sphere);
+      //	continue;
-      
+      //      }
-      if(dist > s_entry.sphere.Radius() + e_entry.sphere.Radius()) {
+      //      assert(close[start].count(end));
-        continue;
-      }
       
       for(unsigned int i = 0; i < vert_index[end].size; i++) {           
 	unsigned int global = vert_remap[vert_index[end].offset + i];
@@ -510,7 +490,6 @@ void FourthStep(const string &crudefile, const string &output,
 	}
       }      
     }
-
     Border &border = nexus.GetBorder(start);
     nexus.borders.ResizeBorder(start, 3 * links.size());
     border.used = links.size();        

apps/nexus/nxsedit.cpp

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.25  2005/02/21 17:55:47  ponchio
+debug debug debug
+
 Revision 1.24  2005/02/20 19:49:44  ponchio
 cleaning (a bit more).
 
@@ -68,6 +71,7 @@ Added copyright
 #include <vcg/space/index/grid_static_ptr.h>
 
 #include "nxsalgo.h"
+#include "strip.h"
 #include "nexus.h"
 #include "watch.h"
 
@@ -463,14 +467,14 @@ int main(int argc, char *argv[]) {
     if(add_strips) {
       ComputeTriStrip(src_patch.nf, src_patch.FaceBegin(), strip);
       assert(strip.size() < 32767);
-      out.AddPatch(src_entry.nvert, strip.size(), src_border.Available());
+      out.AddPatch(src_entry.nvert, strip.size(), src_border.Capacity());
       if(verbose) {
 	cerr << "tri: " << src_patch.nf << " strip: " << strip.size() 
 	     << " ratio: " << (float)strip.size()/(float)src_patch.nf  
 	     << endl;
       }
     } else
-      out.AddPatch(src_entry.nvert, src_entry.nface, src_border.Available());
+      out.AddPatch(src_entry.nvert, src_entry.nface, src_border.Capacity());
 
 
     Entry &dst_entry = out[p];

apps/nexus/nxspatcher.cpp

@@ -26,8 +26,9 @@ int main(int argc, char *argv[]) {
   crude.Resize(side * side, (side-1) * (side-1) * 2);
   for(unsigned int x = 0; x < side; x++) 
     for(unsigned int y = 0; y < side; y++) {
-      Point3f p(x*x*x/((float)side), 
+      //      Point3f p(x*x*x/((float)side), 
-		y*y*y/((float)side), x*y/((float)side));
+      //		y*y*y/((float)side), x*y/((float)side));
+      Point3f p(x, y, sqrt((float)x*x + y*y));
       crude.SetVertex(x + side * y, p);
       crude.GetBox().Add(p);
     }

apps/nexus/patch.cpp

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.12  2005/02/21 19:05:58  ponchio
+i already fixed this bug. I hate you cvs.
+
 Revision 1.11  2005/02/19 12:06:55  ponchio
 Debug...
 
@@ -85,9 +88,9 @@ Encodings::Encodings() {
 }
 
 
-void pad64(unsigned int &s) {
+void pad8(unsigned int &s) {
-  if((s & 0x0000003f) != 0) {
+  if((s & 0x00000007) != 0) {
-    s>>=6; s++; s<<=6;
+    s>>=3; s++; s<<=3;
   }
 }
 void pad(unsigned int &size) {
@@ -165,34 +168,33 @@ void Patch::Init(Signature &signature,
     assert(0);
     //non lo so...
   }
-  pad64(offset);
+  pad8(offset);
 
-  fstartc = (unsigned short)(offset/64);
+  fstartc = fstart + offset;
   offset += encodings[signature.fcolor].size(nf);
-  fstartn = (unsigned short)(offset/64);
+  fstartn = fstart + offset;
   offset += encodings[signature.fnorm].size(nf);
-  fstartt = (unsigned short)(offset/64);
+  fstartt = fstart + offset;
   offset += encodings[signature.ftext].size(nf);
-  fstartd = (unsigned short)(offset/64);
+  fstartd = fstart + offset;
   offset += encodings[signature.fdata].size(nf);
 
   vstart = fstart + offset;
-  offset = 0;
   if(signature.vert == Signature::POINT3F)
     offset += nv * sizeof(float) * 3;
   else if(signature.vert == Signature::POINT4F)
     offset += nv * sizeof(float) * 4;
   else 
     assert(0);
-  pad64(offset);
+  pad8(offset);
 
-  vstartc = (unsigned short)(offset/64);
+  vstartc = fstart + offset;
   offset += encodings[signature.vcolor].size(nv);
-  vstartn = (unsigned short)(offset/64);
+  vstartn = fstart + offset;
   offset += encodings[signature.vnorm].size(nv);
-  vstartt = (unsigned short)(offset/64);
+  vstartt = fstart + offset;
   offset += encodings[signature.vtext].size(nv);
-  vstartd = (unsigned short)(offset/64);
+  vstartd = fstart + offset;
   offset += encodings[signature.vdata].size(nv);
   
 
@@ -251,7 +253,7 @@ unsigned int Patch::ByteSize(Signature &signature,
     assert(0);
     //non lo so...
   }
-  pad64(size);
+  pad8(size);
 
   size += encodings[signature.fcolor].size(nface);
   size += encodings[signature.fnorm].size(nface);
@@ -264,7 +266,7 @@ unsigned int Patch::ByteSize(Signature &signature,
     size += nvert * sizeof(float) * 4;
   else 
     assert(0);
-  pad64(size);
+  pad8(size);
 
   size += encodings[signature.vcolor].size(nvert);
   size += encodings[signature.vnorm].size(nvert);

apps/nexus/patch.h

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.13  2005/02/19 12:06:55  ponchio
+Debug...
+
 Revision 1.12  2005/02/19 10:45:05  ponchio
 Patch generalized and small fixes.
 
@@ -81,9 +84,9 @@ namespace nxs {
    
    unsigned int size(unsigned short n) { 
      unsigned int s = (int)n * (int)bytes * (int)comps; 
-     //padding a 64 bytes
+     //padding a 8 bytes
-     if((s & 0x0000003f) != 0) {
+     if((s & 0x0000007) != 0) {
-       s>>=6; s++; s<<=6;
+       s>>=3; s++; s<<=3;
      }
      return s;
    }
@@ -121,15 +124,15 @@ class Patch {
   //vcg::Point3f &Vert(unsigned short v)   { return VertBegin()[v]; }
   //  unsigned short *Face(unsigned short f) { return FaceBegin() + f * 3; }
 
-  char *VColorBegin() { return vstart + 64*(int)vstartc; }
+  char *VColorBegin() { return vstartc; }
-  char *VNormBegin()  { return vstart + 64*(int)vstartn; }
+  char *VNormBegin()  { return vstartn; }
-  char *VTextBegin()  { return vstart + 64*(int)vstartt; }
+  char *VTextBegin()  { return vstartt; }
-  char *VDataBegin()  { return vstart + 64*(int)vstartd; }
+  char *VDataBegin()  { return vstartd; }
 
-  char *FColorBegin() { return fstart + 64*(int)fstartc; }
+  char *FColorBegin() { return fstartc; }
-  char *FNormBegin()  { return fstart + 64*(int)fstartn; }
+  char *FNormBegin()  { return fstartn; }
-  char *FTextBegin()  { return fstart + 64*(int)fstartt; }
+  char *FTextBegin()  { return fstartt; }
-  char *FDataBegin()  { return fstart + 64*(int)fstartd; }
+  char *FDataBegin()  { return fstartd; }
 
   static unsigned int ChunkSize(Signature &signature, 
 				unsigned short nvert, 
@@ -150,17 +153,15 @@ class Patch {
   unsigned short nf;
   unsigned short nv;
 
-  //these offset are from fstart in 64 bytes
+  char *fstartc;
-  unsigned short fstartc;
+  char *fstartn;
-  unsigned short fstartn;
+  char *fstartt;
-  unsigned short fstartt;
+  char *fstartd;
-  unsigned short fstartd;
 
-  //these offset are from vstart in 64 bytes
+  char *vstartc;
-  unsigned short vstartc;
+  char *vstartn;
-  unsigned short vstartn;
+  char *vstartt;
-  unsigned short vstartt;
+  char *vstartd;
-  unsigned short vstartd;
 };
 
 } //namespace

apps/nexus/vpartition.cpp

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.4  2005/02/21 17:55:48  ponchio
+debug debug debug
+
 Revision 1.3  2005/01/21 17:09:13  ponchio
 Porting and debug.
 
@@ -95,6 +98,32 @@ void VPartition::Closest(const vcg::Point3f &p,
   dist = (float)dists;
 }
 
+void VPartition::Closest(const vcg::Point3f &p, 
+			 vector<int> &targets,
+			 vector<double> &dists,
+			 float max_distance) {
+
+  double point[3];  point[0] = p[0];  point[1] = p[1];  point[2] = p[2];
+
+  int seeds = 6;
+  while(1) {
+    if(seeds > size()) seeds = size();
+    targets.resize(seeds);
+    dists.resize(seeds);
+    bd->annkSearch(&point[0], seeds, &(targets[0]), &(dists[0]));
+    for(int i = 0; i < seeds; i++) {
+      if(dists[i] > max_distance) {
+	targets.resize(i);
+	dists.resize(i);
+	break;
+      }
+    }
+    if(targets.size() < seeds) break;
+    if(seeds == size()) break;
+    seeds *= 2;
+  }
+}
+
 void VPartition::Closest(const vcg::Point3f &p, unsigned int nsize,
 			 int *targets, 
 			 double *dists) {

apps/nexus/vpartition.h

@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.4  2005/02/21 17:55:49  ponchio
+debug debug debug
+
 Revision 1.3  2005/01/18 22:46:58  ponchio
 Small changes.
 
@@ -53,6 +56,7 @@ class ANNbruteForce;
 
 namespace nxs {
 
+  //WARNING: all distances returned are SQUARED!!!!
 class VPartition: public std::vector<vcg::Point3f> {
   public:
   VPartition(): bd(NULL) {}
@@ -75,6 +79,11 @@ class VPartition: public std::vector<vcg::Point3f> {
 	       std::vector<float> &dist);
   void Closest(const vcg::Point3f &p, 
 	       int &target, float &dist);
+
+  //return all targets widthin that distance (SQUARED!!!)
+  void Closest(const vcg::Point3f &p, std::vector<int> &targets,
+	       std::vector<double> &dists,
+	       float max_distance);
   //most efficient!
   void Closest(const vcg::Point3f &p, unsigned int nsize,
 	       int *targets,