PointUtils.h File Reference

Utility classes and functions for OpenVDB Points Houdini plugins. More...

#include <openvdb/math/Vec3.h>
#include <openvdb/Types.h>
#include <openvdb/util/NullInterrupter.h>
#include <openvdb/points/PointDataGrid.h>
#include <GA/GA_Attribute.h>
#include <GU/GU_Detail.h>
#include <PRM/PRM_ChoiceList.h>
#include <iosfwd>
#include <map>
#include <memory>
#include <string>
#include <vector>

Go to the source code of this file.

Namespaces
	openvdb_houdini

Typedefs
using	OffsetList = std::vector< GA_Offset >
using	OffsetListPtr = std::shared_ptr< OffsetList >
using	OffsetPair = std::pair< GA_Offset, GA_Offset >
using	OffsetPairList = std::vector< OffsetPair >
using	OffsetPairListPtr = std::shared_ptr< OffsetPairList >
using	AttributeInfoMap = std::map< openvdb::Name, std::pair< int, bool >>
using	WarnFunc = std::function< void(const std::string &)>

Enumerations
enum	POINT_COMPRESSION_TYPE {   COMPRESSION_NONE = 0, COMPRESSION_TRUNCATE, COMPRESSION_UNIT_VECTOR, COMPRESSION_UNIT_FIXED_POINT_8,   COMPRESSION_UNIT_FIXED_POINT_16 }
	Enum to store available compression types for point grids. More...

Functions
OPENVDB_HOUDINI_API float	computeVoxelSizeFromHoudini (const GU_Detail &detail, const openvdb::Index pointsPerVoxel, const openvdb::math::Mat4d &matrix, const openvdb::Index decimalPlaces, openvdb::util::NullInterrupter &interrupter)
	Compute a voxel size from a Houdini detail. More...
OPENVDB_HOUDINI_API float	computeVoxelSizeFromHoudini (const GU_Detail &detail, const openvdb::Index pointsPerVoxel, const openvdb::math::Mat4d &matrix, const openvdb::Index decimalPlaces, Interrupter &interrupter)
OPENVDB_HOUDINI_API openvdb::points::PointDataGrid::Ptr	convertHoudiniToPointDataGrid (const GU_Detail &detail, const int compression, const AttributeInfoMap &attributes, const openvdb::math::Transform &transform, const WarnFunc &warnings=[](const std::string &){})
	Convert a Houdini detail into a VDB Points grid. More...
OPENVDB_HOUDINI_API void	convertPointDataGridToHoudini (GU_Detail &detail, const openvdb::points::PointDataGrid &grid, const std::vector< std::string > &attributes={}, const std::vector< std::string > &includeGroups={}, const std::vector< std::string > &excludeGroups={}, const bool inCoreOnly=false)
	Convert a VDB Points grid into Houdini points and append them to a Houdini Detail. More...
OPENVDB_HOUDINI_API void	populateMetadataFromHoudini (openvdb::points::PointDataGrid &grid, const GU_Detail &detail, const WarnFunc &warnings=[](const std::string &){})
	Populate VDB Points grid metadata from Houdini detail attributes. More...
OPENVDB_HOUDINI_API void	convertMetadataToHoudini (GU_Detail &detail, const openvdb::MetaMap &metaMap, const WarnFunc &warnings=[](const std::string &){})
	Convert VDB Points grid metadata into Houdini detail attributes. More...
OPENVDB_HOUDINI_API int16_t	attributeTupleSize (const GA_Attribute *const attribute)
	Returns supported tuple sizes for conversion from GA_Attribute. More...
OPENVDB_HOUDINI_API GA_Storage	attributeStorageType (const GA_Attribute *const attribute)
	Returns supported Storage types for conversion from GA_Attribute. More...
OPENVDB_HOUDINI_API void	pointDataGridSpecificInfoText (std::ostream &, const openvdb::GridBase &)
	If the given grid is a PointDataGrid, add node specific info text to the stream provided. This is used to populate the MMB window in Houdini versions 15 and earlier, as well as the Operator Information Window. More...
OPENVDB_HOUDINI_API void	collectPointInfo (const openvdb::points::PointDataGrid &grid, std::string &countStr, std::string &groupStr, std::string &attributeStr)
	Populates string data with information about the provided OpenVDB Points grid. More...

Variables
const std::string	META_GROUP_VIEWPORT = "group_viewport"
	Metadata name for viewport groups. More...
OPENVDB_HOUDINI_API const PRM_ChoiceList	VDBPointsGroupMenuInput1
OPENVDB_HOUDINI_API const PRM_ChoiceList	VDBPointsGroupMenuInput2
OPENVDB_HOUDINI_API const PRM_ChoiceList	VDBPointsGroupMenuInput3
OPENVDB_HOUDINI_API const PRM_ChoiceList	VDBPointsGroupMenuInput4
OPENVDB_HOUDINI_API const PRM_ChoiceList	VDBPointsGroupMenu

Detailed Description

Utility classes and functions for OpenVDB Points Houdini plugins.

Authors

Dan Bailey, Nick Avramoussis, Richard Kwok