num::scalar_field_3d¶

Defined in header <fields/field3d.hpp>

class scalar_field_3d;

scalar values stored on a uniform Cartesian grid.

Members¶

member	description
`scalar_field_3d(int nx, int ny, int nz, float dx, float ox = 0.0f, float oy = 0.0f, float oz = 0.0f)`	Allocate a zero-filled field with optional physical origin.
`template <typename F> scalar_field_3d(int nx, int ny, int nz, float dx, F &&f, float ox = 0.0f, float oy = 0.0f, float oz = 0.0f)`	Sample f(i,j,k) at every grid node during construction.
`const grid_3d &grid() const`	Return the field geometry.
`int nx() const`
`int ny() const`
`int nz() const`
`float dx() const`
`float ox() const`
`float oy() const`
`float oz() const`
`real &operator()(int i, int j, int k)`
`real operator()(int i, int j, int k) const`
`void set(int i, int j, int k, double v)`
`void fill(double v)`	Fill every node with a constant value.
`template <typename F> void fill(F &&f)`	Fill every node with f(i, j, k).
`vec<real> &as_vec()`	Access the contiguous values in grid flattening order.
`const vec<real> &as_vec() const`
`real *data()`
`const real *data() const`
`idx size() const`
`float sample(float x, float y, float z) const`	Trilinearly interpolate the field at physical coordinates.