Blender V4.3
Classes | Functions | Variables
MOD_laplaciansmooth.cc File Reference
Blender » Object Modifiers
#include "BLI_math_geom.h"
#include "BLI_utildefines.h"
#include "BLT_translation.hh"
#include "DNA_defaults.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_screen_types.h"
#include "MEM_guardedalloc.h"
#include "BKE_deform.hh"
#include "BKE_modifier.hh"
#include "UI_interface.hh"
#include "UI_resources.hh"
#include "RNA_prototypes.hh"
#include "MOD_ui_common.hh"
#include "MOD_util.hh"
#include "eigen_capi.h"

Go to the source code of this file.

Classes

struct  LaplacianSystem
 

Functions

static void delete_laplacian_system (LaplacianSystem *sys)
 
static void memset_laplacian_system (LaplacianSystem *sys, int val)
 
static LaplacianSystem * init_laplacian_system (int a_numEdges, int a_numLoops, int a_numVerts)
 
static float compute_volume (const float center[3], float(*vertexCos)[3], const blender::OffsetIndices< int > faces, const blender::Span< int > corner_verts)
 
static void volume_preservation (LaplacianSystem *sys, float vini, float vend, short flag)
 
static void init_laplacian_matrix (LaplacianSystem *sys)
 
static void fill_laplacian_matrix (LaplacianSystem *sys)
 
static void validate_solution (LaplacianSystem *sys, short flag, float lambda, float lambda_border)
 
static void laplaciansmoothModifier_do (LaplacianSmoothModifierData *smd, Object *ob, Mesh *mesh, float(*vertexCos)[3], int verts_num)
 
static void init_data (ModifierData *md)
 
static bool is_disabled (const Scene *, ModifierData *md, bool)
 
static void required_data_mask (ModifierData *md, CustomData_MeshMasks *r_cddata_masks)
 
static void deform_verts (ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh, blender::MutableSpan< blender::float3 > positions)
 
static void panel_draw (const bContext *, Panel *panel)
 
static void panel_register (ARegionType *region_type)
 

Variables

ModifierTypeInfo modifierType_LaplacianSmooth
 

Function Documentation

◆ compute_volume()

static float compute_volume ( const float center[3],
float(*) vertexCos[3],
const blender::OffsetIndices< int > faces,
const blender::Span< int > corner_verts )
static

Definition at line 105 of file MOD_laplaciansmooth.cc.

References fabsf, blender::IndexRange::start(), and volume_tetrahedron_signed_v3().

Referenced by validate_solution().

◆ deform_verts()

static void deform_verts ( ModifierData * md,
const ModifierEvalContext * ctx,
Mesh * mesh,
blender::MutableSpan< blender::float3 > positions )
static

Definition at line 497 of file MOD_laplaciansmooth.cc.

References laplaciansmoothModifier_do(), and ModifierEvalContext::object.

◆ delete_laplacian_system()

static void delete_laplacian_system ( LaplacianSystem * sys)
static

Definition at line 57 of file MOD_laplaciansmooth.cc.

References LaplacianSystem::context, EIG_linear_solver_delete(), LaplacianSystem::eweights, LaplacianSystem::fweights, MEM_freeN(), MEM_SAFE_FREE, LaplacianSystem::ne_ed_num, LaplacianSystem::ne_fa_num, LaplacianSystem::ring_areas, LaplacianSystem::vertexCos, LaplacianSystem::vlengths, LaplacianSystem::vweights, and LaplacianSystem::zerola.

Referenced by laplaciansmoothModifier_do().

◆ fill_laplacian_matrix()

static void fill_laplacian_matrix ( LaplacianSystem * sys)
static

Definition at line 237 of file MOD_laplaciansmooth.cc.

References LaplacianSystem::context, LaplacianSystem::corner_verts, LaplacianSystem::edges, EIG_linear_solver_matrix_add(), LaplacianSystem::eweights, LaplacianSystem::faces, LaplacianSystem::fweights, LaplacianSystem::ne_ed_num, LaplacianSystem::ne_fa_num, LaplacianSystem::vlengths, LaplacianSystem::vweights, and LaplacianSystem::zerola.

Referenced by laplaciansmoothModifier_do().

◆ init_data()

static void init_data ( ModifierData * md)
static

Definition at line 463 of file MOD_laplaciansmooth.cc.

References BLI_assert, DNA_struct_default_get, MEMCMP_STRUCT_AFTER_IS_ZERO, and MEMCPY_STRUCT_AFTER.

◆ init_laplacian_matrix()

static void init_laplacian_matrix ( LaplacianSystem * sys)
static

Definition at line 154 of file MOD_laplaciansmooth.cc.

References area_tri_v3(), LaplacianSystem::corner_verts, cotangent_tri_weight_v3(), LaplacianSystem::edges, LaplacianSystem::eweights, LaplacianSystem::faces, LaplacianSystem::fweights, len_v3v3(), LaplacianSystem::ne_ed_num, LaplacianSystem::ne_fa_num, LaplacianSystem::ring_areas, v2, LaplacianSystem::vertexCos, LaplacianSystem::vlengths, LaplacianSystem::vweights, and LaplacianSystem::zerola.

Referenced by laplaciansmoothModifier_do().

◆ init_laplacian_system()

static LaplacianSystem * init_laplacian_system ( int a_numEdges,
int a_numLoops,
int a_numVerts )
static

Definition at line 87 of file MOD_laplaciansmooth.cc.

References LaplacianSystem::eweights, LaplacianSystem::fweights, MEM_callocN, LaplacianSystem::ne_ed_num, LaplacianSystem::ne_fa_num, LaplacianSystem::ring_areas, LaplacianSystem::verts_num, LaplacianSystem::vlengths, LaplacianSystem::vweights, and LaplacianSystem::zerola.

Referenced by laplaciansmoothModifier_do().

◆ is_disabled()

static bool is_disabled ( const Scene * ,
ModifierData * md,
bool  )
static

Definition at line 472 of file MOD_laplaciansmooth.cc.

References flag, LaplacianSmoothModifierData::flag, MOD_LAPLACIANSMOOTH_X, MOD_LAPLACIANSMOOTH_Y, and MOD_LAPLACIANSMOOTH_Z.

◆ laplaciansmoothModifier_do()

static void laplaciansmoothModifier_do ( LaplacianSmoothModifierData * smd,
Object * ob,
Mesh * mesh,
float(*) vertexCos[3],
int verts_num )
static

Definition at line 350 of file MOD_laplaciansmooth.cc.

References add_v3_v3(), BKE_defvert_find_weight(), LaplacianSystem::context, LaplacianSystem::corner_verts, LaplacianSmoothModifierData::defgrp_name, delete_laplacian_system(), LaplacianSystem::edges, EIG_linear_least_squares_solver_new(), EIG_linear_solver_delete(), EIG_linear_solver_matrix_add(), EIG_linear_solver_right_hand_side_add(), EIG_linear_solver_solve(), EIG_linear_solver_variable_set(), fabsf, LaplacianSystem::faces, fill_laplacian_matrix(), LaplacianSmoothModifierData::flag, init_laplacian_matrix(), init_laplacian_system(), LaplacianSmoothModifierData::lambda, LaplacianSmoothModifierData::lambda_border, memset_laplacian_system(), LaplacianSystem::min_area, MOD_get_vgroup(), MOD_LAPLACIANSMOOTH_INVERT_VGROUP, MOD_LAPLACIANSMOOTH_NORMALIZED, mul_v3_fl(), LaplacianSystem::ne_ed_num, LaplacianSystem::ne_fa_num, LaplacianSmoothModifierData::repeat, LaplacianSystem::ring_areas, validate_solution(), LaplacianSystem::vert_centroid, LaplacianSystem::vertexCos, LaplacianSystem::vlengths, LaplacianSystem::vweights, w(), and LaplacianSystem::zerola.

Referenced by deform_verts().

◆ memset_laplacian_system()

static void memset_laplacian_system ( LaplacianSystem * sys,
int val )
static

Definition at line 75 of file MOD_laplaciansmooth.cc.

References LaplacianSystem::corner_verts, LaplacianSystem::edges, LaplacianSystem::eweights, LaplacianSystem::fweights, LaplacianSystem::ne_ed_num, LaplacianSystem::ne_fa_num, LaplacianSystem::ring_areas, blender::Span< T >::size(), LaplacianSystem::verts_num, LaplacianSystem::vlengths, LaplacianSystem::vweights, and LaplacianSystem::zerola.

Referenced by laplaciansmoothModifier_do().

◆ panel_draw()

static void panel_draw ( const bContext * ,
Panel * panel )
static

Definition at line 513 of file MOD_laplaciansmooth.cc.

References IFACE_, Panel::layout, modifier_panel_end(), modifier_panel_get_property_pointers(), modifier_vgroup_ui(), ptr, UI_ITEM_NONE, UI_ITEM_R_FORCE_BLANK_DECORATE, UI_ITEM_R_TOGGLE, uiItemR(), uiLayoutRowWithHeading(), and uiLayoutSetPropSep().

Referenced by panel_register().

◆ panel_register()

static void panel_register ( ARegionType * region_type)
static

Definition at line 542 of file MOD_laplaciansmooth.cc.

References eModifierType_LaplacianSmooth, modifier_panel_register(), and panel_draw().

◆ required_data_mask()

static void required_data_mask ( ModifierData * md,
CustomData_MeshMasks * r_cddata_masks )
static

Definition at line 487 of file MOD_laplaciansmooth.cc.

References CD_MASK_MDEFORMVERT, LaplacianSmoothModifierData::defgrp_name, and CustomData_MeshMasks::vmask.

◆ validate_solution()

static void validate_solution ( LaplacianSystem * sys,
short flag,
float lambda,
float lambda_border )
static

Definition at line 317 of file MOD_laplaciansmooth.cc.

References compute_volume(), LaplacianSystem::context, LaplacianSystem::corner_verts, EIG_linear_solver_variable_get(), LaplacianSystem::faces, flag, float, MOD_LAPLACIANSMOOTH_PRESERVE_VOLUME, MOD_LAPLACIANSMOOTH_X, MOD_LAPLACIANSMOOTH_Y, MOD_LAPLACIANSMOOTH_Z, LaplacianSystem::ne_ed_num, LaplacianSystem::ne_fa_num, LaplacianSystem::vert_centroid, LaplacianSystem::vertexCos, LaplacianSystem::verts_num, volume_preservation(), and LaplacianSystem::zerola.

Referenced by laplaciansmoothModifier_do().

◆ volume_preservation()

static void volume_preservation ( LaplacianSystem * sys,
float vini,
float vend,
short flag )
static

Definition at line 130 of file MOD_laplaciansmooth.cc.

References beta(), flag, MOD_LAPLACIANSMOOTH_X, MOD_LAPLACIANSMOOTH_Y, MOD_LAPLACIANSMOOTH_Z, pow(), LaplacianSystem::vert_centroid, LaplacianSystem::vertexCos, and LaplacianSystem::verts_num.

Referenced by validate_solution().

Variable Documentation

◆ modifierType_LaplacianSmooth

ModifierTypeInfo modifierType_LaplacianSmooth

Definition at line 547 of file MOD_laplaciansmooth.cc.

Generated on Thu Feb 6 2025 07:36:39 for Blender by  doxygen 1.11.0