Interpolator3dGridTo3d.cpp

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/*
 *  Copyright (c) 2012, Chris Rogers
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#include "Fields/Interpolation/Interpolator3dGridTo3d.h"
#include "Utilities/LogicalError.h"
 
namespace interpolation {
 
    Interpolator3dGridTo3d::Interpolator3dGridTo3d(const Interpolator3dGridTo3d& rhs) {
        coordinates_m = new ThreeDGrid(*rhs.coordinates_m);
        for (int i = 0; i < 3; i++)
            interpolator_m[i] = rhs.interpolator_m[i]->clone();
    }
 
    void Interpolator3dGridTo3d::function(const double Point[3], double Value[3]) const {
        if (Point[0] > coordinates_m->maxX() || Point[0] < coordinates_m->minX()
            || Point[1] > coordinates_m->maxY() || Point[1] < coordinates_m->minY()
            || Point[2] > coordinates_m->maxZ() || Point[2] < coordinates_m->minZ()) {
            Value[0] = 0;
            Value[1] = 0;
            Value[2] = 0;
            return;
        }
 
        interpolator_m[0]->function(Point, &Value[0]);
        interpolator_m[1]->function(Point, &Value[1]);
        interpolator_m[2]->function(Point, &Value[2]);
    }
 
    void Interpolator3dGridTo3d::setAll(
            ThreeDGrid* grid, double*** Bx, double*** By, double*** Bz,
            interpolationAlgorithm algo) {
        if (coordinates_m != nullptr) coordinates_m->remove(this);
        grid->add(this);
        coordinates_m = grid;
 
        for (int i = 0; i < 3; i++)
            if (interpolator_m[i] != nullptr) delete interpolator_m[i];
 
        switch (algo) {
            case TRILINEAR:
                interpolator_m[0] = new TriLinearInterpolator(grid, Bx);
                interpolator_m[1] = new TriLinearInterpolator(grid, By);
                interpolator_m[2] = new TriLinearInterpolator(grid, Bz);
                break;
            default:
                throw(LogicalError(
                        "Interpolator3dGridTo3d::setAll",
                        "Did not recognise interpolation algorithm"));
        }
    }
}  // namespace interpolation