Revision d3661924f8d555396418399c38395b8ca49cdecb authored by eriszhang on 08 August 2021, 03:00:33 UTC, committed by eriszhang on 08 August 2021, 03:00:33 UTC
1 parent 11f7ded
SSP_vertexRemoval.h
#ifndef SSP_VERTEXREMOVAL_H
#define SSP_VERTEXREMOVAL_H
#include <Eigen/Core>
#include <vector>
#include <SSP_midpoint.h>
#include <SSP_vertexRemoval_optimal_collapse_edge_callbacks.h>
// #include <igl/collapse_edge.h>
#include <igl/connect_boundary_to_infinity.h>
// #include <igl/decimate.h>
#include <igl/edge_flaps.h>
#include <igl/is_edge_manifold.h>
#include <igl/max_faces_stopping_condition.h>
#include <igl/per_vertex_point_to_plane_quadrics.h>
// #include <igl/qslim_optimal_collapse_edge_callbacks.h>
#include <igl/quadric_binary_plus_operator.h>
#include <igl/remove_unreferenced.h>
#include <igl/slice.h>
#include <igl/slice_mask.h>
#include <igl/find.h>
#include <igl/unique.h>
#include <single_collapse_data.h>
#include <compute_vertex_quadrics.h>
// Modified from libigl "qslim", see "SSP_decimate" for more info
// SSP_vertexRemoval (simplify) a triangle mesh using half-edge collapse, while storing information required for SSP
//
// Inputs:
// V #V by dim list of vertex positions. Assumes that vertices with
// infinite coordinates are "points at infinity" being used to close up
// boundary edges with faces. This allows special subspace quadrice for
// boundary edges: There should never be more than one "point at
// infinity" in a single triangle.
// F #F by 3 list of triangle indices into V
// max_m desired number of output faces
// Outputs:
// U #U by dim list of output vertex posistions (can be same ref as V)
// G #G by 3 list of output face indices into U (can be same ref as F)
// J #G list of indices into F of birth face
// I #U list of indices into V of birth vertices
bool SSP_vertexRemoval(
const Eigen::MatrixXd & V,
const Eigen::MatrixXi & F,
const size_t max_m,
Eigen::MatrixXd & U,
Eigen::MatrixXi & G,
Eigen::VectorXi & J,
Eigen::VectorXi & I,
std::vector<single_collapse_data> & decInfo,
std::vector<std::vector<int>> & decIM,
Eigen::VectorXi & FIM);
#endif
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