Daily backup.
This commit is contained in:
parent
f51fcfcd5f
commit
58c2168719
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@ -1,4 +1,3 @@
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#include <vector>
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#include <iostream>
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// stuff to define the mesh
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@ -7,10 +6,6 @@
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#include <vcg/complex/trimesh/base.h>
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#include <vcg/simplex/face/with/av.h>
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// io
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//#include <wrap/io_trimesh/import_ply.h>
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//#include <wrap/io_trimesh/export_ply.h>
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// update
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#include <vcg/complex/trimesh/update/topology.h>
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#include <vcg/complex/local_optimization.h>
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@ -19,53 +14,53 @@
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#include <vcg/space/point3.h>
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#include "pvoronoi.h"
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#include "border.h"
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//#include "border.h"
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class MyEdge;
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class MyFace;
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class MyVertex:public vcg::VertexAFVMVNf<DUMMYEDGETYPE , MyFace,DUMMYTETRATYPE>{public:
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ScalarType w;
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vcg::math::Quadric<vcg::Plane3<ScalarType,false> >q;
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ScalarType & W(){return w;}
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} ;
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class MyFace : public vcg::FaceAV<MyVertex,DUMMYEDGETYPE , MyFace>{};
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class MyMesh:
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public vcg::tri::TriMesh< std::vector<MyVertex>, std::vector<MyFace > >{};
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class MyTriEdgeCollapse:
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public vcg::tri::TriEdgeCollapseQuadric< MyMesh, MyTriEdgeCollapse >{
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public:
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typedef vcg::tri::TriEdgeCollapseQuadric<MyMesh, MyTriEdgeCollapse > TECQ;
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typedef TECQ::PosType PosType;
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MyTriEdgeCollapse(PosType p, int i):TECQ(p,i){}
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~MyTriEdgeCollapse(){}
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};
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#include "decimate.h"
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using namespace vcg;
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using namespace tri;
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using namespace nxs;
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using namespace std;
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float Clustering(unsigned int target_faces,
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vector<Point3f> &newvert,
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vector<unsigned int> &newface,
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vector<Link> &newbord,
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vector<int> &vert_remap) {
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}
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class MyEdge;
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class MyFace;
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class MyVertex:
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public vcg::VertexAFVMVNf<DUMMYEDGETYPE, MyFace,DUMMYTETRATYPE> {
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public:
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ScalarType w;
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vcg::math::Quadric<vcg::Plane3<ScalarType, false> > q;
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ScalarType & W() { return w; }
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};
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class MyFace : public vcg::FaceAV<MyVertex,DUMMYEDGETYPE , MyFace> {};
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class MyMesh:
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public vcg::tri::TriMesh< std::vector<MyVertex>, std::vector<MyFace > > {};
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class MyTriEdgeCollapse:
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public vcg::tri::TriEdgeCollapseQuadric< MyMesh, MyTriEdgeCollapse > {
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public:
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typedef vcg::tri::TriEdgeCollapseQuadric<MyMesh, MyTriEdgeCollapse > TECQ;
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typedef TECQ::PosType PosType;
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MyTriEdgeCollapse(PosType p, int i): TECQ(p, i) {}
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~MyTriEdgeCollapse() {}
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};
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float Cluster(MyMesh &mesh, unsigned int target_faces);
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float Quadric(MyMesh &mesh, unsigned int target_faces);
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float Decimate(unsigned int target_faces,
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vector<Point3f> &newvert,
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vector<unsigned int> &newface,
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vector<Link> &newbord,
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vector<int> &vert_remap) {
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float nxs::Decimate(Decimation mode,
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unsigned int target_faces,
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vector<Point3f> &newvert,
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vector<unsigned int> &newface,
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vector<Link> &newbord,
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vector<int> &vert_remap) {
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MyMesh mesh;
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//build mesh
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for(unsigned int i = 0; i < newvert.size(); i++) {
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MyVertex vertex;
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vertex.ClearFlags();
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@ -85,18 +80,17 @@ float Decimate(unsigned int target_faces,
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}
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mesh.fn = mesh.face.size();
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//emark borders
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//mark borders
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for(unsigned int i = 0; i < newbord.size(); i++)
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mesh.vert[newbord[i].start_vert].ClearW();
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// int FinalSize = mesh.face.size()/2;
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// if(FinalSize > target_faces) FinalSize = target_faces;
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int FinalSize = target_faces;
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printf("mesh loaded %d %d \n",mesh.vn,mesh.fn);
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printf("reducing it to %i\n",FinalSize);
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printf("reducing it to %i\n", target_faces);
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/*
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@ -115,7 +109,11 @@ float Decimate(unsigned int target_faces,
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float error = DeciSession.currMetric/4;//1; //get error;
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int t3=clock();
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*/
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float error = Cluster(mesh, target_faces);
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float error;
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if(mode == CLUSTER)
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error = Cluster(mesh, target_faces);
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else
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error = Quadric(mesh, target_faces);
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@ -164,6 +162,34 @@ float Decimate(unsigned int target_faces,
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}
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float Quadric(MyMesh &mesh, unsigned int target_faces) {
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vcg::tri::UpdateTopology<MyMesh>::VertexFace(mesh);
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vcg::LocalOptimization<MyMesh> DeciSession(mesh);
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MyTriEdgeCollapse::SetDefaultParams();
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DeciSession.Init<MyTriEdgeCollapse>();
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DeciSession.SetTargetSimplices(target_faces);
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DeciSession.DoOptimization();
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float error = 0;
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int count = 0;
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for(unsigned int i = 0; i < mesh.face.size(); i++) {
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MyFace &face = mesh.face[i];
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if(face.IsD()) continue;
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for(int k = 0; k < 3; k++) {
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error += (face.cV(k)->cP() - face.cV((k+1)%3)->cP()).Norm();
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count++;
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}
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}
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error /= count;
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cerr << "Error: " << error << endl;
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cerr << "faces: " << mesh.fn << endl;
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cerr << "verts: " << mesh.vn << endl;
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return error;
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}
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float Cluster(MyMesh &mesh, unsigned int target_faces) {
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unsigned int starting = mesh.vn;
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@ -0,0 +1,20 @@
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#ifndef NXS_DECIMATE_H
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#define NXS_DECIMATE_H
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#include <vector>
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#include "border.h"
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#include <vcg/space/point3.h>
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namespace nxs {
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enum Decimation { QUADRIC, CLUSTER };
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float Decimate(Decimation mode,
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unsigned int target_faces,
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std::vector<vcg::Point3f> &newvert,
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std::vector<unsigned int> &newface,
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std::vector<Link> &newbord,
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std::vector<int> &vert_remap);
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}
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#endif
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@ -124,15 +124,15 @@ void Nexus::Close() {
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borders.Close();
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}
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Patch Nexus::GetPatch(unsigned int patch) {
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Patch Nexus::GetPatch(unsigned int patch, bool flush) {
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Entry &entry = index[patch];
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Chunk *start = patches.GetRegion(entry.patch_start, entry.patch_size);
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Chunk *start = patches.GetRegion(entry.patch_start, entry.patch_size,flush);
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return Patch(signature, start, entry.nvert, entry.nface);
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}
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Border Nexus::GetBorder(unsigned int patch) {
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Border Nexus::GetBorder(unsigned int patch, bool flush) {
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Entry &entry = index[patch];
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Link *start = borders.GetRegion(entry.border_start, entry.border_size);
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Link *start = borders.GetRegion(entry.border_start, entry.border_size,flush);
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return Border(start, entry.border_used, entry.border_size);
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}
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@ -49,8 +49,8 @@ class Nexus {
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virtual bool Load(const std::string &filename);
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virtual void Close();
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Patch GetPatch(unsigned int patch);
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Border GetBorder(unsigned int patch);
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Patch GetPatch(unsigned int patch, bool flush = true);
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Border GetBorder(unsigned int patch, bool flush = true);
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bool IsCompressed() { return signature & NXS_COMPRESSED; }
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@ -86,15 +86,18 @@ void NexusMt::Render() {
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for(unsigned int i = 0; i < cells.size(); i++) {
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unsigned int cell = cells[i];
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Nexus::Entry &entry = index[cell];
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//frustum culling
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// if(frustum.Outside(entry.sphere.center, entry.sphere.radius))
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// continue;
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Patch patch = GetPatch(cell);
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glVertexPointer(3, GL_FLOAT, 0, patch.VertBegin());
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if(use_colors)
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glColorPointer(4, GL_UNSIGNED_BYTE, 0, patch.ColorBegin());
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if(use_normals)
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glNormalPointer(GL_SHORT, 8, patch.Norm16Begin());
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switch(mode) {
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case POINTS:
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glDrawArrays(GL_POINTS, 0, patch.nv); break;
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@ -24,6 +24,9 @@
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History
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$Log: not supported by cvs2svn $
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Revision 1.9 2004/09/30 23:56:33 ponchio
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Backup (added strips and normals)
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Revision 1.8 2004/09/30 00:27:42 ponchio
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Lot of changes. Backup.
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@ -66,12 +69,6 @@ Created
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****************************************************************************/
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#ifdef WIN32
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#include "getopt.h"
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#else
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#include <unistd.h>
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#endif
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#include <iostream>
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using namespace std;
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@ -95,7 +92,7 @@ int height = 768;
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SDL_Surface *screen = NULL;
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bool init() {
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bool init(const string &str) {
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if(SDL_Init(SDL_INIT_VIDEO) != 0) {
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return false;
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@ -117,7 +114,7 @@ bool init() {
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}
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SDL_WM_SetIcon(SDL_LoadBMP("inspector.bmp"), NULL);
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SDL_WM_SetCaption(" Inspector", "Inspector");
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SDL_WM_SetCaption(str.c_str(), str.c_str());
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glDisable(GL_DITHER);
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@ -135,54 +132,53 @@ bool init() {
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int main(int argc, char *argv[]) {
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enum Mode { SCREEN, GEO };
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int level = 0;
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int apatch = -1;
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float error = 1;
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Mode mode = SCREEN;
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float error = 4;
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Trackball track;
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int option;
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while((option = getopt(argc, argv, "l:p:g:s:")) != EOF) {
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switch(option) {
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case 'l': level = atoi(optarg); break;
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case 'p': apatch = atoi(optarg); break;
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case 'g': mode = GEO; error = (float)atof(optarg); break;
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case 's': mode = SCREEN; error = (float)atof(optarg); break;
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default: cerr << "Unknown option: " << (char)option << endl;
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return -1;
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}
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}
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if(optind != argc - 1) {
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cerr << "Usage: " << argv[0] << " <nexus file> [options]\n"
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<< " -l <n>: show level n\n"
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<< " -p <n>: show patch n\n"
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<< " -g <e>: extract at geometry error e\n"
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<< " -s <e>: extract at screen error e\n\n";
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if(argc != 2) {
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cerr << "Usage: " << argv[0] << " <nexus file>\n";
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return -1;
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}
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NexusMt nexus;
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if(!nexus.Load(argv[optind])) {
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if(!nexus.Load(argv[1])) {
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cerr << "Could not load nexus file: " << argv[1] << endl;
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return -1;
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}
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Sphere3f sphere = nexus.sphere;
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if(!init()) {
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if(!init(argv[1])) {
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cerr << "Could not init SDL window\n";
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return -1;
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}
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// FrustumPolicy frustum_policy;
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cerr << "Commands: \n"
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" q: quit\n"
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" s: screen error extraction\n"
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" g: geometry error extraction\n"
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" p: draw points\n"
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" d: debug mode (show patches colored)\n"
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" m: smooth mode\n"
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" c: show colors\n"
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" n: show normals\n"
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" r: rotate model\n"
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" -: decrease error\n"
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" +: increase error (= too)\n";
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bool rotate = true;
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bool rotate = false;
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bool show_borders = true;
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bool show_colors = true;
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bool show_normals = true;
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NexusMt::Mode mode = NexusMt::SMOOTH;
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NexusMt::PolicyKind policy = NexusMt::FRUSTUM;
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glClearColor(0, 0, 0, 0);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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@ -190,24 +186,28 @@ int main(int argc, char *argv[]) {
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glEnable(GL_COLOR_MATERIAL);
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glEnable(GL_CULL_FACE);
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int quit = 0;
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SDL_Event event;
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SDL_Event event;
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int x, y;
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float alpha = 0;
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while( !quit ) {
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while( SDL_WaitEvent( &event ) ){
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bool redraw = false;
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while( !quit ) {
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bool first = true;
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SDL_WaitEvent(&event);
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while( first || SDL_PollEvent( &event ) ){
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first = false;
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switch( event.type ) {
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case SDL_QUIT: quit = 1; break;
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case SDL_KEYDOWN:
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switch(event.key.keysym.sym) {
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case SDLK_q: exit(0); break;
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case SDLK_b: show_borders = !show_borders;break;
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case SDLK_c:
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show_colors = !show_colors;
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case SDLK_b: show_borders = !show_borders; break;
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case SDLK_c: show_colors = !show_colors; break;
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case SDLK_n: show_normals = !show_normals; break;
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break;
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case SDLK_n:
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show_normals = !show_normals;
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break;
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case SDLK_s: policy = NexusMt::FRUSTUM; break;
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case SDLK_p: mode = NexusMt::POINTS; break;
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case SDLK_d: mode = NexusMt::DEBUG; break;
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case SDLK_m: mode = NexusMt::SMOOTH; break;
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case SDLK_r:
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case SDLK_SPACE: rotate = !rotate; break;
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@ -219,10 +219,6 @@ int main(int argc, char *argv[]) {
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case SDLK_PLUS: error *= 1.1;
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cerr << "error: " << error << endl; break;
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}
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//quit = 1;
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//error++;
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//if(error == 5) error = 0;
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//render.setMaxError(error/10.0);
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break;
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case SDL_MOUSEBUTTONDOWN:
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x = event.button.x;
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@ -233,135 +229,62 @@ int main(int argc, char *argv[]) {
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track.MouseWheel(-1);
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} else
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track.MouseDown(x, y, 1);
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// hand.buttonDown(x, y, 1);
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break;
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case SDL_MOUSEBUTTONUP:
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x = event.button.x;
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y = height - event.button.y;
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track.MouseUp(x, y, 1);
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// hand.buttonUp(x, y);
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break;
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case SDL_MOUSEMOTION:
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while(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEMOTIONMASK));
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x = event.motion.x;
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y = height - event.motion.y;
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track.MouseMove(x, y);
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// hand.mouseMove(x, y);
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break;
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case SDL_VIDEOEXPOSE:
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default: break;
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}
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(40, 1, 0.1, 100);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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gluLookAt(0,0,5, 0,0,0, 0,1,0);
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track.GetView();
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track.Apply();
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float scale = 2/sphere.Radius();
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// glRotatef(alpha, 0, 1, 0);
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// if(rotate)
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// alpha++;
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// if(alpha > 360) alpha = 0;
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glScalef(scale, scale, scale);
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Point3f center = sphere.Center();
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glTranslatef(-center[0], -center[1], -center[2]);
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nexus.SetMode(NexusMt::DEBUG);
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nexus.SetPolicy(NexusMt::FRUSTUM, error);
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nexus.SetComponent(NexusMt::COLOR, show_colors);
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nexus.SetComponent(NexusMt::NORMAL, show_normals);
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nexus.Render();
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/* vector<unsigned int> cells;
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if(apatch != -1) {
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cells.push_back(apatch);
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} else if(mode == GEO) {
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nexus.ExtractFixed(cells, error);
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} else if(mode == SCREEN) {
|
||||
frustum_policy.error = error;
|
||||
frustum_policy.GetView();
|
||||
nexus.Extract(cells, &frustum_policy);
|
||||
} else {
|
||||
for(int i = 0; i < nexus.index.size(); i++) {
|
||||
if(nexus.index[i].error == 0)
|
||||
cells.push_back(i);
|
||||
}
|
||||
}
|
||||
|
||||
glColor3f(1, 1, 1);
|
||||
|
||||
for(unsigned int i = 0; i < cells.size(); i++) {
|
||||
unsigned int cell = cells[i];
|
||||
Patch patch = nexus.GetPatch(cell);
|
||||
|
||||
if(show_color) {
|
||||
unsigned int val = cell + 1;
|
||||
glColor3ub(((val * 27)%128) + 128,
|
||||
((val * 37)%128) + 128,
|
||||
((val * 87)%128) + 128);
|
||||
}
|
||||
|
||||
glBegin(GL_TRIANGLES);
|
||||
unsigned short *f = patch.FaceBegin();
|
||||
for(unsigned int j = 0; j < patch.nf*3; j+= 3) {
|
||||
Point3f &p1 = patch.Vert(f[j]);
|
||||
Point3f &p2 = patch.Vert(f[j+1]);
|
||||
Point3f &p3 = patch.Vert(f[j+2]);
|
||||
Point3f n = ((p2 - p1) ^ (p3 - p1));
|
||||
|
||||
if(!show_normals) {
|
||||
glNormal3f(n[0], n[1], n[2]);
|
||||
glVertex3f(p1[0], p1[1], p1[2]);
|
||||
glVertex3f(p2[0], p2[1], p2[2]);
|
||||
glVertex3f(p3[0], p3[1], p3[2]);
|
||||
} else {
|
||||
short *n1 = patch.Norm16(f[j]);
|
||||
short *n2 = patch.Norm16(f[j+1]);
|
||||
short *n3 = patch.Norm16(f[j+2]);
|
||||
glNormal3s(n1[0], n1[1], n1[2]);
|
||||
glVertex3f(p1[0], p1[1], p1[2]);
|
||||
glNormal3s(n2[0], n2[1], n2[2]);
|
||||
glVertex3f(p2[0], p2[1], p2[2]);
|
||||
glNormal3s(n3[0], n3[1], n3[2]);
|
||||
glVertex3f(p3[0], p3[1], p3[2]);
|
||||
}
|
||||
|
||||
}
|
||||
glEnd();
|
||||
}
|
||||
if(show_borders) {
|
||||
for(unsigned int i = 0; i < cells.size(); i++) {
|
||||
unsigned int cell = cells[i];
|
||||
Patch patch = nexus.GetPatch(cell);
|
||||
//drawing borders
|
||||
glColor3f(1, 1, 1);
|
||||
|
||||
Border border = nexus.GetBorder(cell);
|
||||
glPointSize(4);
|
||||
glDisable(GL_LIGHTING);
|
||||
glDisable(GL_DEPTH_TEST);
|
||||
glBegin(GL_POINTS);
|
||||
for(unsigned int k = 0; k < border.Size(); k++) {
|
||||
if(border[k].IsNull()) continue;
|
||||
Point3f &p = patch.Vert(border[k].start_vert);
|
||||
glVertex3f(p[0], p[1], p[2]);
|
||||
}
|
||||
glEnd();
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
glEnable(GL_LIGHTING);
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
SDL_GL_SwapBuffers();
|
||||
redraw = true;
|
||||
}
|
||||
|
||||
if(!redraw) continue;
|
||||
redraw = false;
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glLoadIdentity();
|
||||
gluPerspective(40, 1, 0.1, 100);
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glLoadIdentity();
|
||||
gluLookAt(0,0,5, 0,0,0, 0,1,0);
|
||||
|
||||
glRotatef(alpha, 0, 1, 0);
|
||||
if(rotate) {
|
||||
alpha++;
|
||||
if(alpha > 360) alpha = 0;
|
||||
SDL_Event redraw;
|
||||
redraw.type = SDL_VIDEOEXPOSE;
|
||||
SDL_PushEvent(&redraw);
|
||||
}
|
||||
|
||||
|
||||
track.GetView();
|
||||
track.Apply();
|
||||
|
||||
float scale = 2/sphere.Radius();
|
||||
|
||||
glScalef(scale, scale, scale);
|
||||
Point3f center = sphere.Center();
|
||||
glTranslatef(-center[0], -center[1], -center[2]);
|
||||
|
||||
glColor3f(0.9, 0.9, 0.9);
|
||||
nexus.SetMode(mode);
|
||||
nexus.SetPolicy(policy, error);
|
||||
nexus.SetComponent(NexusMt::COLOR, show_colors);
|
||||
nexus.SetComponent(NexusMt::NORMAL, show_normals);
|
||||
|
||||
nexus.Render();
|
||||
|
||||
SDL_GL_SwapBuffers();
|
||||
}
|
||||
|
||||
// Clean up
|
||||
|
|
|
|||
|
|
@ -23,10 +23,9 @@ void nxs::ComputeNormals(Nexus &nexus) {
|
|||
bool use_short = (nexus.signature & NXS_NORMALS_SHORT) != 0;
|
||||
|
||||
//first step normals in the same patch.
|
||||
cerr << "First step" << endl;
|
||||
for(unsigned int p = 0; p < nexus.index.size(); p++) {
|
||||
Patch patch = nexus.GetPatch(p);
|
||||
|
||||
|
||||
vector<Point3f> normals;
|
||||
normals.resize(patch.nv, Point3f(0, 0, 0));
|
||||
|
||||
|
|
@ -43,6 +42,7 @@ void nxs::ComputeNormals(Nexus &nexus) {
|
|||
normals[f[1]] += norm;
|
||||
normals[f[2]] += norm;
|
||||
}
|
||||
|
||||
if(nexus.signature & NXS_STRIP)
|
||||
for(unsigned int i = 0; i < patch.nf-2; i++) {
|
||||
unsigned short *f = patch.FaceBegin() + i;
|
||||
|
|
@ -72,16 +72,13 @@ void nxs::ComputeNormals(Nexus &nexus) {
|
|||
normals.size() * sizeof(Point3f));
|
||||
}
|
||||
}
|
||||
cerr << "Second step" << endl;
|
||||
//Second step unify normals across borders
|
||||
for(unsigned int p = 0; p < nexus.index.size(); p++) {
|
||||
//notice now ew allow flushing of old patches
|
||||
cerr << "Colleting" << endl;
|
||||
|
||||
Patch patch = nexus.GetPatch(p);
|
||||
Border border = nexus.GetBorder(p);
|
||||
|
||||
cerr << "nv: " << patch.nv << " nf: " << patch.nf << endl;
|
||||
//first pass we collect all normals
|
||||
map<unsigned short, Point3f> normals;
|
||||
for(unsigned int i = 0; i < border.Size(); i++) {
|
||||
|
|
@ -108,7 +105,6 @@ void nxs::ComputeNormals(Nexus &nexus) {
|
|||
normals[link.start_vert] += remote.Norm32(link.end_vert);
|
||||
}
|
||||
|
||||
cerr << "Adding" << endl;
|
||||
//second pass we update values in all the patches involved
|
||||
for(unsigned int i = 0; i < border.Size(); i++) {
|
||||
Link &link = border[i];
|
||||
|
|
|
|||
|
|
@ -0,0 +1,223 @@
|
|||
#include "nxsbuild.h"
|
||||
#include <set>
|
||||
#include <map>
|
||||
|
||||
using namespace nxs;
|
||||
using namespace vcg;
|
||||
using namespace std;
|
||||
|
||||
void nxs::RemapVertices(Crude &crude,
|
||||
VertRemap &vert_remap,
|
||||
VFile<unsigned int> &face_remap,
|
||||
vector<unsigned int> &patch_verts) {
|
||||
|
||||
for(unsigned int i = 0; i < crude.Faces(); i++) {
|
||||
Crude::Face &face = crude.GetFace(i);
|
||||
unsigned int patch = face_remap[i];
|
||||
for(int k = 0; k < 3; k++) {
|
||||
set<unsigned int> pp;
|
||||
vert_remap.GetValues(face[k], pp);
|
||||
if(!pp.count(patch)) {
|
||||
vert_remap.Insert(face[k], patch);
|
||||
patch_verts[patch]++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void nxs::NexusAllocate(Crude &crude,
|
||||
Nexus &nexus,
|
||||
VFile<unsigned int> &face_remap,
|
||||
vector<unsigned int> &patch_faces,
|
||||
vector<unsigned int> &patch_verts) {
|
||||
|
||||
|
||||
nexus.index.resize(patch_faces.size());
|
||||
|
||||
unsigned int totchunks = 0;
|
||||
//now that we know various sizes, lets allocate space
|
||||
for(unsigned int i = 0; i < nexus.index.size(); i++) {
|
||||
Nexus::Entry &entry = nexus.index[i];
|
||||
|
||||
if(patch_faces[i] == 0 || patch_verts[i] == 0)
|
||||
cerr << "Warning! Empty patch.\n";
|
||||
|
||||
entry.patch_start = totchunks;
|
||||
entry.patch_size = Patch::ChunkSize(nexus.signature,
|
||||
patch_verts[i], patch_faces[i]);
|
||||
|
||||
totchunks += entry.patch_size;
|
||||
entry.border_start = 0xffffffff;
|
||||
entry.nvert = patch_verts[i];
|
||||
entry.nface = 0;
|
||||
entry.error = 0;
|
||||
}
|
||||
|
||||
nexus.patches.Resize(totchunks);
|
||||
|
||||
|
||||
//now we sort the faces into the patches (but still using absolute indexing
|
||||
//instead of relative indexing
|
||||
for(unsigned int i = 0; i < crude.face.Size(); i++) {
|
||||
Crude::Face &face = crude.face[i];
|
||||
unsigned int npatch = face_remap[i];
|
||||
|
||||
Nexus::Entry &entry = nexus.index[npatch];
|
||||
|
||||
//TODO this is slow because we have to initialize patch.
|
||||
//just get patch.start.
|
||||
Patch patch = nexus.GetPatch(npatch);
|
||||
|
||||
Crude::Face *faces = (Crude::Face *)patch.start;
|
||||
faces[entry.nface] = face;
|
||||
entry.nface++;
|
||||
}
|
||||
}
|
||||
|
||||
void nxs::NexusFill(Crude &crude,
|
||||
Nexus &nexus,
|
||||
VertRemap &vert_remap,
|
||||
VFile<RemapLink> &border_remap) {
|
||||
|
||||
|
||||
//finally for every patch we collect the vertices
|
||||
//and fill the patch.
|
||||
//we need to remember start and size in border_remap;
|
||||
// vector<unsigned int> border_start;
|
||||
// vector<unsigned int> border_size;
|
||||
|
||||
for(unsigned int i = 0; i < nexus.index.size(); i++) {
|
||||
Patch patch = nexus.GetPatch(i);
|
||||
Nexus::Entry &entry = nexus.index[i];
|
||||
|
||||
//make a copy of faces (we need to write there :P)
|
||||
Crude::Face *faces = new Crude::Face[patch.nf];
|
||||
memcpy(faces, (Crude::Face *)patch.start,
|
||||
patch.nf * sizeof(Crude::Face));
|
||||
|
||||
//collect all vertices we need.
|
||||
//TODO an hash_map would be faster?
|
||||
unsigned int count = 0;
|
||||
map<unsigned int, unsigned short> remap;
|
||||
for(unsigned int k = 0; k < patch.nf; k++) {
|
||||
Crude::Face &face = faces[k];
|
||||
|
||||
for(int j = 0; j < 3; j++) {
|
||||
if(!remap.count(face[j])) {
|
||||
assert(count < patch.nv);
|
||||
Point3f &v = crude.vert[face[j]];
|
||||
patch.VertBegin()[remap.size()] = v;
|
||||
entry.sphere.Add(v);
|
||||
remap[face[j]] = count++;
|
||||
}
|
||||
patch.FaceBegin()[k*3 + j] = remap[face[j]];
|
||||
}
|
||||
}
|
||||
assert(count == remap.size());
|
||||
assert(entry.nvert == remap.size());
|
||||
|
||||
//record start of border:
|
||||
entry.border_start = border_remap.Size();
|
||||
|
||||
//TODO hash_set?
|
||||
set<unsigned int> border_patches;
|
||||
map<unsigned int, unsigned short>::iterator m;
|
||||
for(m = remap.begin(); m != remap.end(); m++) {
|
||||
RemapLink link;
|
||||
link.abs_vert = (*m).first;
|
||||
link.rel_vert = (*m).second;
|
||||
|
||||
vert_remap.GetValues(link.abs_vert, border_patches);
|
||||
assert(border_patches.size() >= 1);
|
||||
if(border_patches.size() == 1) continue; //its not a border
|
||||
|
||||
set<unsigned int>::iterator s;
|
||||
for(s = border_patches.begin(); s != border_patches.end(); s++) {
|
||||
if((*s) == i) continue;
|
||||
link.patch = *s;
|
||||
border_remap.PushBack(link);
|
||||
}
|
||||
}
|
||||
//and number of borders:
|
||||
entry.border_used = border_remap.Size() - entry.border_start;
|
||||
delete []faces;
|
||||
}
|
||||
|
||||
//we can now update bounding sphere.
|
||||
for(unsigned int i = 0; i < nexus.index.size(); i++)
|
||||
nexus.sphere.Add(nexus.index[i].sphere);
|
||||
}
|
||||
|
||||
void nxs::NexusFixBorder(Nexus &nexus,
|
||||
VFile<RemapLink> &border_remap) {
|
||||
|
||||
//and last convert RemapLinks into Links
|
||||
nexus.borders.Resize(border_remap.Size() * 2);
|
||||
//* 2 is to accomodate future borders
|
||||
|
||||
for(unsigned int i = 0; i < nexus.index.size(); i++) {
|
||||
Nexus::Entry &local = nexus.index[i];
|
||||
local.border_start *= 2;
|
||||
local.border_size = local.border_used * 2;
|
||||
}
|
||||
|
||||
for(unsigned int i = 0; i < nexus.index.size(); i++) {
|
||||
Nexus::Entry &local = nexus.index[i];
|
||||
|
||||
unsigned int remap_start = local.border_start/2;
|
||||
//* 2 is to accomodate future borders
|
||||
|
||||
|
||||
// K is the main iterator (where we write to in nexus.borders)
|
||||
for(unsigned int k = 0; k < local.border_used; k++) {
|
||||
|
||||
|
||||
RemapLink start_link = border_remap[k + remap_start];
|
||||
assert(start_link.rel_vert < local.nvert);
|
||||
|
||||
Nexus::Entry &remote = nexus.index[start_link.patch];
|
||||
|
||||
bool found = false;
|
||||
|
||||
unsigned int remote_remap_start = remote.border_start/2;
|
||||
for(unsigned int j = 0; j < remote.border_used; j++) {
|
||||
|
||||
RemapLink end_link = border_remap[j + remote_remap_start];
|
||||
assert(end_link.rel_vert < remote.nvert);
|
||||
|
||||
if(start_link.abs_vert == end_link.abs_vert &&
|
||||
end_link.patch == i) { //found the match
|
||||
assert(!found);
|
||||
nexus.borders[k + local.border_start] = Link(start_link.rel_vert,
|
||||
end_link.rel_vert,
|
||||
start_link.patch);
|
||||
found = true;
|
||||
}
|
||||
}
|
||||
assert(nexus.borders[k + local.border_start].start_vert < local.nvert);
|
||||
assert(found);
|
||||
}
|
||||
}
|
||||
nexus.borders.Flush();
|
||||
|
||||
//Checking border consistency:
|
||||
/* for(unsigned int i = 0; i < nexus.index.size(); i++) {
|
||||
Border border = nexus.GetBorder(i);
|
||||
Nexus::Entry &entry = nexus.index[i];
|
||||
for(unsigned int k = 0; k < border.Size(); k++) {
|
||||
Link &link = border[k];
|
||||
if(link.start_vert >= entry.nvert) {
|
||||
cerr << "K: " << k << endl;
|
||||
cerr << "patch: " << i << " nvert: " << entry.nvert << " startv: "
|
||||
<< link.start_vert << endl;
|
||||
cerr << "bstart: " << entry.border_start
|
||||
<< "bsize: " << entry.border_size << endl;
|
||||
}
|
||||
assert(link.end_patch < nexus.index.size());
|
||||
assert(link.start_vert < entry.nvert);
|
||||
Nexus::Entry &remote = nexus.index[link.end_patch];
|
||||
assert(link.end_vert < remote.nvert);
|
||||
}
|
||||
|
||||
}*/
|
||||
}
|
||||
|
|
@ -0,0 +1,39 @@
|
|||
#ifndef NXS_BUILD_H
|
||||
#define NXS_BUILD_H
|
||||
|
||||
#include "vert_remap.h"
|
||||
#include "crude.h"
|
||||
#include "nexus.h"
|
||||
|
||||
#include <vector>
|
||||
|
||||
namespace nxs {
|
||||
|
||||
struct RemapLink {
|
||||
unsigned int rel_vert;
|
||||
unsigned int patch;
|
||||
unsigned int abs_vert;
|
||||
};
|
||||
|
||||
void RemapVertices(Crude &crude,
|
||||
VertRemap &vert_remap,
|
||||
VFile<unsigned int> &face_remap,
|
||||
std::vector<unsigned int> &patch_verts);
|
||||
|
||||
void NexusAllocate(Crude &crude,
|
||||
nxs::Nexus &nexus,
|
||||
VFile<unsigned int> &face_remap,
|
||||
std::vector<unsigned int> &patch_faces,
|
||||
std::vector<unsigned int> &patch_verts);
|
||||
|
||||
void NexusFill(Crude &crude,
|
||||
Nexus &nexus,
|
||||
VertRemap &vert_remap,
|
||||
VFile<RemapLink> &border_remap);
|
||||
|
||||
void NexusFixBorder(Nexus &nexus,
|
||||
VFile<RemapLink> &border_remap);
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -13,6 +13,17 @@ using namespace vcg;
|
|||
#include <unistd.h>
|
||||
#endif
|
||||
|
||||
string getSuffix(unsigned int signature) {
|
||||
string suff;
|
||||
if(signature&NXS_COMPRESSED) suff += "Z";
|
||||
if(signature&NXS_STRIP) suff += "S";
|
||||
if(signature&NXS_COLORS) suff += "C";
|
||||
if(signature&NXS_NORMALS_SHORT) suff += "N";
|
||||
if(signature&NXS_TEXTURES_SHORT) suff += "T";
|
||||
if(signature&NXS_DATA32) suff += "D";
|
||||
return suff;
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
|
||||
string input;
|
||||
|
|
@ -160,9 +171,10 @@ int main(int argc, char *argv[]) {
|
|||
<< " -n<float>: Normal quantization\n"
|
||||
<< " -c<float>: Color quantization\n"
|
||||
<< " -t<float>: Texture quantization\n\n";
|
||||
return -1;
|
||||
}
|
||||
input = argv[optind];
|
||||
if(!output.size()) output = input + "00";
|
||||
|
||||
|
||||
Nexus nexus;
|
||||
if(!nexus.Load(input)) {
|
||||
|
|
@ -228,6 +240,8 @@ int main(int argc, char *argv[]) {
|
|||
signature |= add;
|
||||
signature &= ~remove;
|
||||
|
||||
if(!output.size()) output = input + getSuffix(signature);
|
||||
|
||||
Nexus out;
|
||||
if(!out.Create(output, (Signature)signature)) {
|
||||
cerr << "Could not open output: " << output << endl;
|
||||
|
|
@ -243,6 +257,7 @@ int main(int argc, char *argv[]) {
|
|||
vector<unsigned short> strip;
|
||||
if(add_strip) {
|
||||
ComputeTriStrip(src_patch.nf, src_patch.FaceBegin(), strip);
|
||||
assert(strip.size() < 32767);
|
||||
out.AddPatch(src_entry.nvert, strip.size(), src_entry.border_size);
|
||||
} else
|
||||
out.AddPatch(src_entry.nvert, src_entry.nface, src_entry.border_size);
|
||||
|
|
|
|||
|
|
@ -2,6 +2,9 @@
|
|||
|
||||
using namespace nxs;
|
||||
|
||||
void pad(unsigned int &size) {
|
||||
while(size&0x3) size++;
|
||||
}
|
||||
|
||||
Patch::Patch(Signature signature, Chunk *s,
|
||||
unsigned short nvert, unsigned short nface):
|
||||
|
|
@ -24,7 +27,27 @@ void Patch::Init(Signature signature,
|
|||
//align memory
|
||||
if(((int)vstart) & 0x2) vstart = (float *)(((char *)vstart) + 2);
|
||||
|
||||
cstart = nv * sizeof(float) * 3;
|
||||
cstart = nv * 3;
|
||||
if(signature & NXS_COLORS)
|
||||
nstart = cstart + nv;
|
||||
else
|
||||
nstart = cstart;
|
||||
|
||||
if(signature & NXS_NORMALS_SHORT)
|
||||
tstart = nstart + nv * 2;
|
||||
else if(signature & NXS_NORMALS_FLOAT)
|
||||
tstart = nstart + nv * 3;
|
||||
else
|
||||
tstart = nstart;
|
||||
|
||||
if(signature & NXS_TEXTURES_SHORT)
|
||||
dstart = tstart + nv;
|
||||
else if(signature & NXS_TEXTURES_FLOAT)
|
||||
dstart = tstart + nv;
|
||||
else
|
||||
dstart = tstart;
|
||||
|
||||
/* cstart = nv * sizeof(float) * 3;
|
||||
if(signature & NXS_COLORS)
|
||||
nstart = cstart + nv * sizeof(unsigned int);
|
||||
else
|
||||
|
|
@ -42,7 +65,8 @@ void Patch::Init(Signature signature,
|
|||
else if(signature & NXS_TEXTURES_FLOAT)
|
||||
dstart = tstart + nv * sizeof(float) * 2;
|
||||
else
|
||||
dstart = tstart;
|
||||
dstart = tstart;*/
|
||||
|
||||
}
|
||||
|
||||
unsigned int Patch::ChunkSize(Signature signature,
|
||||
|
|
@ -63,7 +87,7 @@ unsigned int Patch::ByteSize(Signature signature,
|
|||
size += nface * 3 * sizeof(unsigned short);
|
||||
|
||||
//memory alignment
|
||||
if(size & 0x2) size += 2;
|
||||
pad(size);
|
||||
|
||||
size += nvert * sizeof(vcg::Point3f);
|
||||
|
||||
|
|
@ -84,8 +108,10 @@ unsigned int Patch::ByteSize(Signature signature,
|
|||
|
||||
if(signature & NXS_DATA8)
|
||||
size += nvert * sizeof(char);
|
||||
pad(size);
|
||||
if(signature & NXS_DATA16)
|
||||
size += nvert * 2 * sizeof(char);
|
||||
pad(size);
|
||||
if(signature & NXS_DATA32)
|
||||
size += nvert * 4 * sizeof(char);
|
||||
if(signature & NXS_DATA64)
|
||||
|
|
|
|||
|
|
@ -80,11 +80,11 @@ inline unsigned short *Patch::Face(unsigned short f) {
|
|||
}
|
||||
|
||||
inline unsigned int *Patch::ColorBegin() {
|
||||
return (unsigned int *)(((char *)vstart) + cstart);
|
||||
return (unsigned int *)(vstart + cstart);
|
||||
}
|
||||
|
||||
inline short *Patch::Norm16Begin() {
|
||||
return (short *)(((char *)vstart) + nstart);
|
||||
return (short *)(vstart + nstart);
|
||||
}
|
||||
|
||||
inline short *Patch::Norm16(unsigned short v) {
|
||||
|
|
@ -92,7 +92,7 @@ inline short *Patch::Norm16(unsigned short v) {
|
|||
}
|
||||
|
||||
inline vcg::Point3f *Patch::Norm32Begin() {
|
||||
return (vcg::Point3f *)(((char *)vstart) + nstart);
|
||||
return (vcg::Point3f *)(vstart + nstart);
|
||||
}
|
||||
inline vcg::Point3f &Patch::Norm32(unsigned short v) {
|
||||
return Norm32Begin()[v];
|
||||
|
|
|
|||
|
|
@ -24,6 +24,9 @@
|
|||
History
|
||||
|
||||
$Log: not supported by cvs2svn $
|
||||
Revision 1.6 2004/09/30 00:27:42 ponchio
|
||||
Lot of changes. Backup.
|
||||
|
||||
Revision 1.5 2004/09/28 10:26:07 ponchio
|
||||
Voronoi partition changes.
|
||||
|
||||
|
|
@ -121,6 +124,7 @@ void VoronoiChain::Init(Crude &crude, float scaling, int steps) {
|
|||
seeds.push_back(fine[i]);
|
||||
}
|
||||
swap(fine, seeds);
|
||||
if(fine.size() == 0) fine.push_back(Point3f(0,0,0));
|
||||
fine.Init();
|
||||
|
||||
//here goes some optimization pass.
|
||||
|
|
@ -158,6 +162,7 @@ void VoronoiChain::Init(Crude &crude, float scaling, int steps) {
|
|||
seeds.push_back(coarse[i]);
|
||||
}
|
||||
swap(coarse, seeds);
|
||||
if(coarse.size() == 0) coarse.push_back(Point3f(0,0,0));
|
||||
coarse.Init();
|
||||
|
||||
|
||||
|
|
@ -395,6 +400,7 @@ void VoronoiChain::BuildLevel(Nexus &nexus, unsigned int offset,
|
|||
seeds.push_back(coarse[i]);
|
||||
}
|
||||
swap(coarse, seeds);
|
||||
if(coarse.size() == 0) coarse.push_back(Point3f(0,0,0));
|
||||
coarse.Init();
|
||||
|
||||
//Coarse optimization
|
||||
|
|
|
|||
|
|
@ -24,6 +24,9 @@
|
|||
History
|
||||
|
||||
$Log: not supported by cvs2svn $
|
||||
Revision 1.5 2004/09/30 00:27:42 ponchio
|
||||
Lot of changes. Backup.
|
||||
|
||||
Revision 1.4 2004/09/21 00:53:23 ponchio
|
||||
Lotsa changes.
|
||||
|
||||
|
|
@ -54,21 +57,13 @@ using namespace std;
|
|||
#include "voronoichain.h"
|
||||
#include "pintersect.h"
|
||||
#include "vert_remap.h"
|
||||
|
||||
#include "decimate.h"
|
||||
#include "nxsbuild.h"
|
||||
using namespace vcg;
|
||||
using namespace nxs;
|
||||
|
||||
struct RemapLink {
|
||||
unsigned int rel_vert;
|
||||
unsigned int patch;
|
||||
unsigned int abs_vert;
|
||||
};
|
||||
|
||||
/*void RemapFaces(Crude &crude,
|
||||
VoronoiChain &vchain,
|
||||
VFile<unsigned int> &face_remap,
|
||||
vector<unsigned int> &patch_faces);*/
|
||||
|
||||
void RemapVertices(Crude &crude,
|
||||
/*void RemapVertices(Crude &crude,
|
||||
VertRemap &vert_remap,
|
||||
VFile<unsigned int> &face_remap,
|
||||
vector<unsigned int> &patch_verts);
|
||||
|
|
@ -85,7 +80,7 @@ void NexusFill(Crude &crude,
|
|||
VFile<RemapLink> &border_remap);
|
||||
|
||||
void NexusFixBorder(Nexus &nexus,
|
||||
VFile<RemapLink> &border_remap);
|
||||
VFile<RemapLink> &border_remap);*/
|
||||
|
||||
void NexusSplit(Nexus &nexus, VoronoiChain &vchain,
|
||||
unsigned int level,
|
||||
|
|
@ -95,19 +90,19 @@ void NexusSplit(Nexus &nexus, VoronoiChain &vchain,
|
|||
Nexus::Update &update,
|
||||
float error);
|
||||
|
||||
float Decimate(unsigned int target_faces,
|
||||
/*float Decimate(unsigned int target_faces,
|
||||
vector<Point3f> &newvert,
|
||||
vector<unsigned int> &newface,
|
||||
vector<Link> &newbord,
|
||||
vector<int> &vert_remap);
|
||||
vector<int> &vert_remap);*/
|
||||
|
||||
void ReverseHistory(vector<Nexus::Update> &history);
|
||||
|
||||
enum Decimation { QUADRIC, CLUSTER };
|
||||
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
|
||||
Decimation decimation = QUADRIC;
|
||||
Decimation decimation = CLUSTER;
|
||||
unsigned int patch_size = 1000;
|
||||
unsigned int patch_threshold = 0xffffffff;
|
||||
unsigned int optimization_steps = 5;
|
||||
|
|
@ -286,7 +281,8 @@ int main(int argc, char *argv[]) {
|
|||
|
||||
//simplyfy mesh
|
||||
vector<int> vert_remap;
|
||||
float error = Decimate((unsigned int)(newface.size() * scaling/3),
|
||||
float error = Decimate(decimation,
|
||||
(unsigned int)((newface.size()/3) * scaling),
|
||||
newvert, newface, newbord, vert_remap);
|
||||
|
||||
|
||||
|
|
@ -338,7 +334,7 @@ int main(int argc, char *argv[]) {
|
|||
return 0;
|
||||
}
|
||||
|
||||
void RemapVertices(Crude &crude,
|
||||
/*void RemapVertices(Crude &crude,
|
||||
VertRemap &vert_remap,
|
||||
VFile<unsigned int> &face_remap,
|
||||
vector<unsigned int> &patch_verts) {
|
||||
|
|
@ -355,9 +351,9 @@ void RemapVertices(Crude &crude,
|
|||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}*/
|
||||
|
||||
void NexusAllocate(Crude &crude,
|
||||
/*void NexusAllocate(Crude &crude,
|
||||
Nexus &nexus,
|
||||
VFile<unsigned int> &face_remap,
|
||||
vector<unsigned int> &patch_faces,
|
||||
|
|
@ -404,10 +400,10 @@ void NexusAllocate(Crude &crude,
|
|||
faces[entry.nface] = face;
|
||||
entry.nface++;
|
||||
}
|
||||
}
|
||||
}*/
|
||||
|
||||
|
||||
void NexusFill(Crude &crude,
|
||||
/*void NexusFill(Crude &crude,
|
||||
Nexus &nexus,
|
||||
VertRemap &vert_remap,
|
||||
VFile<RemapLink> &border_remap) {
|
||||
|
|
@ -479,9 +475,9 @@ void NexusFill(Crude &crude,
|
|||
//we can now update bounding sphere.
|
||||
for(unsigned int i = 0; i < nexus.index.size(); i++)
|
||||
nexus.sphere.Add(nexus.index[i].sphere);
|
||||
}
|
||||
}*/
|
||||
|
||||
void NexusFixBorder(Nexus &nexus,
|
||||
/*void NexusFixBorder(Nexus &nexus,
|
||||
VFile<RemapLink> &border_remap) {
|
||||
|
||||
//and last convert RemapLinks into Links
|
||||
|
|
@ -532,28 +528,7 @@ void NexusFixBorder(Nexus &nexus,
|
|||
}
|
||||
}
|
||||
nexus.borders.Flush();
|
||||
|
||||
//Checking border consistency:
|
||||
/* for(unsigned int i = 0; i < nexus.index.size(); i++) {
|
||||
Border border = nexus.GetBorder(i);
|
||||
Nexus::Entry &entry = nexus.index[i];
|
||||
for(unsigned int k = 0; k < border.Size(); k++) {
|
||||
Link &link = border[k];
|
||||
if(link.start_vert >= entry.nvert) {
|
||||
cerr << "K: " << k << endl;
|
||||
cerr << "patch: " << i << " nvert: " << entry.nvert << " startv: "
|
||||
<< link.start_vert << endl;
|
||||
cerr << "bstart: " << entry.border_start
|
||||
<< "bsize: " << entry.border_size << endl;
|
||||
}
|
||||
assert(link.end_patch < nexus.index.size());
|
||||
assert(link.start_vert < entry.nvert);
|
||||
Nexus::Entry &remote = nexus.index[link.end_patch];
|
||||
assert(link.end_vert < remote.nvert);
|
||||
}
|
||||
|
||||
}*/
|
||||
}
|
||||
} */
|
||||
|
||||
|
||||
void NexusSplit(Nexus &nexus, VoronoiChain &vchain,
|
||||
|
|
|
|||
Loading…
Reference in New Issue