IMP Reference Guide  develop.b708a66810,2021/08/02 The Integrative Modeling Platform
grid_utility.h File Reference
#include <IMP/algebra/algebra_config.h>
#include "GridD.h"
#include "internal/grid_interpolation.h"
#include "grid_indexes.h"
#include "internal/grid_3d_impl.h"
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## Namespaces

IMP
Base functionality and abstract base classes for representation, scoring and sampling.

IMP::algebra
General purpose algebraic and geometric methods that are expected to be used by a wide variety of IMP modules.

## Macros

#define IMP_GRID3D_FOREACH_SMALLER_EXTENDED_INDEX_RANGE(grid, center, lower_corner, upper_corner, action)
Iterate over each voxel in a subset of the grid that are less than center. More...

#define IMP_GRID3D_FOREACH_VOXEL(g, action)
Iterate over each voxel in grid and do something with each one. More...

## Functions

template<int D, class Storage , class Value , class Embedding >
Value IMP::algebra::get_linearly_interpolated (const GridD< D, Storage, Value, Embedding > &g, const VectorD< D > &pt)
Get the value from the grid with linear interpolation. More...

template<class Storage , class Embedding >
const Storage::Value IMP::algebra::get_trilinearly_interpolated (const GridD< 3, Storage, typename Storage::Value, Embedding > &g, const Vector3D &v, const typename Storage::Value &outside=0)
Use trilinear interpolation to compute a smoothed value at v. More...

## Detailed Description

Utility functions for working with grids.

Definition in file grid_utility.h.

## Macro Definition Documentation

 #define IMP_GRID3D_FOREACH_SMALLER_EXTENDED_INDEX_RANGE ( grid, center, lower_corner, upper_corner, action )

Iterate over each voxel in a subset of the grid that are less than center.

The voxel index is unsigned int voxel_index[3]. Use this if, for example, you want to find nearby pairs of voxels once each.

Grid3D

Definition at line 120 of file grid_utility.h.

 #define IMP_GRID3D_FOREACH_VOXEL ( g, action )

Iterate over each voxel in grid and do something with each one.

The voxel index is GridIndexD<3> voxel_index and the coordinates of the center is Vector3D voxel_center and the index of the voxel is loop_voxel_index.