GU_Smooth.h File Reference

#include "GU_API.h"
#include <GA/GA_ElementGroup.h>
#include <GA/GA_Types.h>
#include <UT/UT_Array.h>
#include <UT/UT_Map.h>

Include dependency graph for GU_Smooth.h:

Go to the source code of this file.

Classes
struct	GU_SmoothParms
struct	GU_ImplicitSmoothParms

Typedefs
typedef unsigned int	GU_SmoothBoundaryMask

Enumerations
enum	GU_SmoothWeightMethod { GU_SMOOTH_WEIGHT_UNIFORM, GU_SMOOTH_WEIGHT_EDGE_LENGTH, GU_SMOOTH_WEIGHT_N }
enum	GU_ImplicitSmoothMethod { GU_IMPLICIT_SMOOTH_METHOD_UNIFORM = 0, GU_IMPLICIT_SMOOTH_METHOD_SCALE_DOMINANT, GU_IMPLICIT_SMOOTH_METHOD_CURVATURE_DOMINANT }
enum	GU_SmoothBoundaryType { GU_SMOOTH_BOUNDARY_NONE = 0, GU_SMOOTH_BOUNDARY_SURFACE = 1, GU_SMOOTH_BOUNDARY_SELECTION = 2, GU_SMOOTH_BOUNDARY_ALL = 3 }

Functions
GU_API bool	GUsmooth (GA_Attribute *attrib, float frequency, int iterations, const GA_PrimitiveGroup *primgroup=NULL, bool second_order=false)
GU_API bool	GUsmooth (GA_Attribute *attrib, const GA_Range &pointrange, float frequency, int iterations, const UT_Array< GA_OffsetArray > &ringzeropoints, const GA_PrimitiveGroup *primgroup=0, bool second_order=false)
GU_API bool	GUsmooth (GA_Attribute *attrib, const GA_Range &pointrange, float weight1, float weight2, int iterations, const UT_Array< GA_OffsetArray > &ringzeropoints, const GA_PrimitiveGroup *primgroup=0, bool second_order=false)
GU_API bool	GUsmoothComputeEdgeWeights (UT_Array< UT_Array< fpreal >> &edge_weights, const GU_SmoothWeightMethod method, const GA_Attribute &pt_attrib, const GA_Range &pt_range, const UT_Array< GA_OffsetArray > &pt_ringzero)
GU_API bool	GUsmoothLaplace (GA_Attribute &pt_attrib, const GU_SmoothParms &parms, const GA_PointGroup *pt_group=nullptr, GA_Attribute *work_attrib=nullptr)
GU_API void	GUimplicitSmooth (UT_Array< GA_Attribute * > &attribs, const GU_ImplicitSmoothParms &parms, const GA_Group *group)
GU_API void	GUimplicitSmooth (const GA_Attribute &attrib, const GU_ImplicitSmoothParms &parms, const GA_Group *group, UT_Map< GA_Offset, UT_Vector3 > &edits)

Typedef Documentation

typedef unsigned int GU_SmoothBoundaryMask

Definition at line 127 of file GU_Smooth.h.

Enumeration Type Documentation

enum GU_ImplicitSmoothMethod

Enumerator
GU_IMPLICIT_SMOOTH_METHOD_UNIFORM
GU_IMPLICIT_SMOOTH_METHOD_SCALE_DOMINANT
GU_IMPLICIT_SMOOTH_METHOD_CURVATURE_DOMINANT

Definition at line 113 of file GU_Smooth.h.

enum GU_SmoothBoundaryType

Enumerator
GU_SMOOTH_BOUNDARY_NONE
GU_SMOOTH_BOUNDARY_SURFACE
GU_SMOOTH_BOUNDARY_SELECTION
GU_SMOOTH_BOUNDARY_ALL

Definition at line 121 of file GU_Smooth.h.

enum GU_SmoothWeightMethod

Enumerator
GU_SMOOTH_WEIGHT_UNIFORM
GU_SMOOTH_WEIGHT_EDGE_LENGTH
GU_SMOOTH_WEIGHT_N

Definition at line 61 of file GU_Smooth.h.

Function Documentation

GU_API void GUimplicitSmooth	(	UT_Array< GA_Attribute * > &	attribs,
		const GU_ImplicitSmoothParms &	parms,
		const GA_Group *	group
	)

GU_API void GUimplicitSmooth	(	const GA_Attribute &	attrib,
		const GU_ImplicitSmoothParms &	parms,
		const GA_Group *	group,
		UT_Map< GA_Offset, UT_Vector3 > &	edits
	)

GU_API bool GUsmooth	(	GA_Attribute *	attrib,
		float	frequency,
		int	iterations,
		const GA_PrimitiveGroup *	primgroup = NULL,
		bool	second_order = false
	)

Returns true iff the attribute is able to be smoothed, (i.e. a point or vertex numeric attribute), and the function is not interrupted. primgroup is used to determine the point range and connectivity.

GU_API bool GUsmooth	(	GA_Attribute *	attrib,
		const GA_Range &	pointrange,
		float	frequency,
		int	iterations,
		const UT_Array< GA_OffsetArray > &	ringzeropoints,
		const GA_PrimitiveGroup *	primgroup = 0,
		bool	second_order = false
	)

Returns true iff the attribute is able to be smoothed, (i.e. a point or vertex numeric attribute), and the function is not interrupted. primgroup is only used if the attribute is a vertex attribute.

GU_API bool GUsmooth	(	GA_Attribute *	attrib,
		const GA_Range &	pointrange,
		float	weight1,
		float	weight2,
		int	iterations,
		const UT_Array< GA_OffsetArray > &	ringzeropoints,
		const GA_PrimitiveGroup *	primgroup = 0,
		bool	second_order = false
	)

Like the GUsmooth above, except with weights specified explicitly, instead of using frequency.

GU_API bool GUsmoothComputeEdgeWeights	(	UT_Array< UT_Array< fpreal >> &	edge_weights,
		const GU_SmoothWeightMethod	method,
		const GA_Attribute &	pt_attrib,
		const GA_Range &	pt_range,
		const UT_Array< GA_OffsetArray > &	pt_ringzero
	)

GU_API bool GUsmoothLaplace	(	GA_Attribute &	pt_attrib,
		const GU_SmoothParms &	parms,
		const GA_PointGroup *	pt_group = nullptr,
		GA_Attribute *	work_attrib = nullptr
	)

Smooth a point V3 attribute using simple laplacian smoothing via average of point neighbours. This method is faster but causes shrinkage.