# FLASH4.5 API

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## [Functions] source/Grid/Grid_getDomainBoundBox

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NAME

```  Grid_getDomainBoundBox
```

SYNOPSIS

```  Grid_getDomainBoundBox(real(OUT) :: boundBox(2, MDIM))
```

DESCRIPTION

```  Gets the physical domain bounding box of the entire domain.
For each dimension the left (lower or forward)
physical coordinate of the domain edge and the right (upper or back)
physical coordinate of the domain edge is returned.  See arguments
below for more detail.
```

ARGUMENTS

```  boundBox - returned array holding the boundBox coordinates in
each dimension

for readability, in constants.h we define IAXIS = 1, JAXIS = 2, KAXIS = 3

boundBox(1,IAXIS) = left edge coordinate of domain in x direction
boundBox(2,IAXIS) = right edge coordinate of domain in x direction
boundBox(1,JAXIS) = top edge coordinate of domain in y direction
boundBox(2,JAXIS) = bottom edge coordinate of domain in y direction
boundBox(1,KAXIS) = front edge coordinate of domain in z direction
boundBox(2,KAXIS) = back edge coordinate of domain in z direction
```

EXAMPLE

```   In 2 dimensions, if physical coordinates are ...

________________(0.5 1.0)
|                |
|                |
|                |
|                |
|                |
|                |
|                |
|_______________ |
(-0.5, 0.0)

boundBox(1, IAXIS) = -0.5
boundBox(2, IAXIS) = 0.5
boundBox(1, JAXIS) = 0.0
boundBox(2, JAXIS) = 1.0
```