IBComputeBoundingBox.c File Reference

Compute bounding box for an immersed body. More...

#include <immersedboundaries.h>

Go to the source code of this file.

Functions
int	IBComputeBoundingBox (Body3D *b)

Detailed Description

Compute bounding box for an immersed body.

Author

Debojyoti Ghosh

Definition in file IBComputeBoundingBox.c.

Function Documentation

int IBComputeBoundingBox

(

Body3D *

b

)

Compute the bounding box for a given body.

Parameters

b

The body

Definition at line 9 of file IBComputeBoundingBox.c.

{
  b->xmin = b->xmax = b->surface[0].x1;
  b->ymin = b->ymax = b->surface[0].y1;
  b->zmin = b->zmax = b->surface[0].z1;

  int n;
  for (n = 0; n < b->nfacets; n++) {
    if (b->surface[n].x1 < b->xmin) b->xmin = b->surface[n].x1;
    if (b->surface[n].x2 < b->xmin) b->xmin = b->surface[n].x2;
    if (b->surface[n].x3 < b->xmin) b->xmin = b->surface[n].x3;

    if (b->surface[n].y1 < b->ymin) b->ymin = b->surface[n].y1;
    if (b->surface[n].y2 < b->ymin) b->ymin = b->surface[n].y2;
    if (b->surface[n].y3 < b->ymin) b->ymin = b->surface[n].y3;

    if (b->surface[n].z1 < b->zmin) b->zmin = b->surface[n].z1;
    if (b->surface[n].z2 < b->zmin) b->zmin = b->surface[n].z2;
    if (b->surface[n].z3 < b->zmin) b->zmin = b->surface[n].z3;

    if (b->surface[n].x1 > b->xmax) b->xmax = b->surface[n].x1;
    if (b->surface[n].x2 > b->xmax) b->xmax = b->surface[n].x2;
    if (b->surface[n].x3 > b->xmax) b->xmax = b->surface[n].x3;

    if (b->surface[n].y1 > b->ymax) b->ymax = b->surface[n].y1;
    if (b->surface[n].y2 > b->ymax) b->ymax = b->surface[n].y2;
    if (b->surface[n].y3 > b->ymax) b->ymax = b->surface[n].y3;

    if (b->surface[n].z1 > b->zmax) b->zmax = b->surface[n].z1;
    if (b->surface[n].z2 > b->zmax) b->zmax = b->surface[n].z2;
    if (b->surface[n].z3 > b->zmax) b->zmax = b->surface[n].z3;
  }
  return(0);
}