本文整理汇总了C++中Vertex_iterator::border方法的典型用法代码示例。如果您正苦于以下问题：C++ Vertex_iterator::border方法的具体用法？C++ Vertex_iterator::border怎么用？C++ Vertex_iterator::border使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Vertex_iterator的用法示例。
在下文中一共展示了Vertex_iterator::border方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: RunStep
float Remesh::RunStep() {
cur_iter++;
// COMPUTE THE MESH DISPLACEMENT
for (Vertex_iterator vi = data->mesh.p.vertices_begin(); vi!=data->mesh.p.vertices_end(); vi++)
vi->delta = Kernel::Vector_3(0,0,0);
// from current to the closest destination point
for (Vertex_iterator vi = data->mesh.p.vertices_begin(); vi!=data->mesh.p.vertices_end(); vi++) {
Kernel::Point_3 closest_point = dst_mesh.closestPoint(vi->point());
//cerr << "closest_point (" << closest_point << ") has ID " << dst_mesh.vertex_mapping[closest_point]->id << endl;
Kernel::Vector_3 closest_normal = dst_mesh.vertex_mapping[closest_point]->normal();
//Kernel::Vector_3 closest_normal = dst_mesh.vertexMapping(closest_point)->normal();
/*
vi->delta = closest_point - vi->point();
bool is_outside = v_norm((closest_point + closest_normal*v_norm(vi->delta)) - vi->point()) < v_norm(vi->delta);
// bool is_outside = v_norm(v_normalized(closest_normal) + v_normalized(vi->delta)) < 1.4142;
// bool is_outside = v_angle(closest_normal, vi->delta) > PI/2;
double dist_sign = (is_outside?1:-1);
vi->delta = vi->normal()*v_norm(vi->delta)*(-1)*dist_sign;
*/
vi->delta = vi->normal()* (closest_normal*(closest_point-vi->point()));
// vi->delta == v_normalized(data->mesh.computeVectorComponent(vi->normal(),vi->delta,1))*v_norm(vi->delta);
// vi->delta = v_normalized(vi->delta)*data->mesh.computeVertexStatistics(*vi,1)*0.05;
// vi->delta = vi->normal(); //*alg_dt
}
// NORMALIZE the movements
float total_movement = 0;
int total_elements = 0;
double max_delta = data->mesh.edge_avg*alg_dt;
for (Vertex_iterator vi = data->mesh.p.vertices_begin(); vi!=data->mesh.p.vertices_end(); vi++) {
//vi->delta = v_normalized(vi->delta)*data->mesh.computeVertexStatistics(*vi,1)*0.1;
// double max_delta = data->mesh.computeVertexStatistics(*vi,1)*alg_dt;
// double min_delta = data->mesh.edge_avg/5;
// vi->delta = vi->delta;
// vi->delta = vi->delta + v_normalized(vi->delta)*(RAND_MAX/2-std::rand())*1.0/RAND_MAX*data->mesh.edge_avg/2*alg_smoothing;
// vi->delta = v_normalized(vi->delta)*max_delta;
double the_norm = v_norm(vi->delta);
if (the_norm > max_delta) {
vi->delta = v_normalized(vi->delta)*max_delta;
}
// if (the_norm < min_delta) vi->delta = v_normalized(vi->delta)*min_delta;
the_norm = v_norm(vi->delta);
if (the_norm > max_delta*0.5) {
total_elements++;
total_movement += v_norm(vi->delta);
}
//vi->delta = vi->delta + Kernel::Vector_3((RAND_MAX/2-std::rand())*1.0/RAND_MAX, (RAND_MAX/2-std::rand())*1.0/RAND_MAX, (RAND_MAX/2-std::rand())*1.0/RAND_MAX)*data->mesh.computeVertexStatistics(*vi,1)*alg_smoothing;
// vi->delta = vi->delta + data->mesh.computeVectorComponent(vi->normal(),vi->laplacian()*alg_dt,0);
if (vi->border()==false) vi->delta = vi->delta + vi->laplacian()*alg_smoothing;
}
// MOVE THE MESH
OpenGLContext::mutex.lock();
data->mesh.lock();
for (Vertex_iterator vi = data->mesh.p.vertices_begin(); vi!=data->mesh.p.vertices_end(); vi++) {
if (alg_keepVerticesConstant) vi->delta = vi->normal()*(vi->delta*vi->normal());
vi->prev_delta = vi->delta;
vi->border()=false;
vi->move ( vi->delta );
}
data->mesh.unlock();
data->mesh.updateMeshData();
OpenGLContext::mutex.unlock();
//saveOutput
if (alg_saveOutput) {
char filename[300];
sprintf(filename,"%s/output_%04d.off",alg_saveOutputPrefix,cur_iter);
data->mesh.saveFormat(filename,"off");
sprintf(filename,"%s/output_%04d.diff",alg_saveOutputPrefix,cur_iter);
data->mesh.saveVectorField(filename);
sprintf(filename,"%s/output_%04d.idx",alg_saveOutputPrefix,cur_iter);
data->mesh.saveVertexIndices(filename);
}
emit stepFinished();
return total_elements;
// return (++cur_iter < iter);
}