OpenVDB: PointGroup.h File Reference

OpenVDB 5.0.0

Classes | Namespaces | Functions
PointGroup.h File Reference

Point group manipulation in a VDB Point Grid. More...

`#include <openvdb/openvdb.h>`
`#include "IndexIterator.h"`
`#include "IndexFilter.h"`
`#include "AttributeSet.h"`
`#include "PointDataGrid.h"`
`#include "PointAttribute.h"`
`#include "PointCount.h"`
`#include <algorithm>`
`#include <random>`
`#include <string>`
`#include <vector>`

Go to the source code of this file.

## Classes
struct | CopyGroupOp< PointDataTreeType >
| Copy a group attribute value from one group offset to another. More...
struct | SetGroupOp< PointDataTree, Member >
| Set membership on or off for the specified group. More...
struct | SetGroupFromIndexOp< PointDataTree, PointIndexTree, Remove >
struct | SetGroupByFilterOp< PointDataTree, FilterT, IterT >
class | GroupInfo
| Convenience class with methods for analyzing group data. More...

## Namespaces
| openvdb
| openvdb::v5_0
| openvdb::v5_0::points
| openvdb::v5_0::points::point_group_internal

## Functions
void | deleteMissingPointGroups (std::vector< std::string > &groups, const AttributeSet::Descriptor &descriptor)
| Delete any group that is not present in the Descriptor. More...
template<typename PointDataTree >
void | appendGroup (PointDataTree &tree, const Name &group)
| Appends a new empty group to the VDB tree. More...
template<typename PointDataTree >
void | appendGroups (PointDataTree &tree, const std::vector< Name > &groups)
| Appends new empty groups to the VDB tree. More...
template<typename PointDataTree >
void | dropGroup (PointDataTree &tree, const Name &group, const bool compact=true)
| Drops an existing group from the VDB tree. More...
template<typename PointDataTree >
void | dropGroups (PointDataTree &tree, const std::vector< Name > &groups)
| Drops existing groups from the VDB tree, the tree is compacted after dropping. More...
template<typename PointDataTree >
void | dropGroups (PointDataTree &tree)
| Drops all existing groups from the VDB tree, the tree is compacted after dropping. More...
template<typename PointDataTree >
void | compactGroups (PointDataTree &tree)
| Compacts existing groups of a VDB Tree to use less memory if possible. More...
template<typename PointDataTree , typename PointIndexTree >
void | setGroup (PointDataTree &tree, const PointIndexTree &indexTree, const std::vector< short > &membership, const Name &group, const bool remove=false)
| Sets group membership from a PointIndexTree-ordered vector. More...
template<typename PointDataTree >
void | setGroup (PointDataTree &tree, const Name &group, const bool member=true)
| Sets membership for the specified group for all points (on/off). More...
template<typename PointDataTree , typename FilterT >
void | setGroupByFilter (PointDataTree &tree, const Name &group, const FilterT &filter)
| Sets group membership based on a provided filter. More...
template<typename PointDataTree >
void | setGroupByRandomTarget (PointDataTree &tree, const Name &group, const Index64 targetPoints, const unsigned int seed=0)
template<typename PointDataTree >
void | setGroupByRandomPercentage (PointDataTree &tree, const Name &group, const float percentage=10.0f, const unsigned int seed=0)

## Detailed Description

Point group manipulation in a VDB Point Grid.

Author
  Dan Bailey