# select_1
# written by John Dannenhoffer

# make a box (which automatically selects it)
BOX       0  0  0  4  3  2
ASSERT    @nface  6

# make a cylinder (which automatically selects it)
CYLINDER  0  5  1  4  5  1  1
ASSERT    @nface  4

# select the box
SELECT    BODY  1
ASSERT    @nface  6

# select the last body on the stack (the cylinder)
SELECT    BODY
ASSERT    @nface  4

# select the box again
SELECT    BODY  1
ASSERT    @nface  6

# select all the Faces and put the _color attribute on them
SELECT    FACE
ATTRIBUTE _color $cyan
ASSERT    @sellist.size   6

# select Faces by face-order and name them
SELECT    FACE  @ibody  1
ATTRIBUTE name  $xmin
SELECT    FACE  @ibody  2
ATTRIBUTE name  $xmax
SELECT    FACE  @ibody  3
ATTRIBUTE name  $ymin
SELECT    FACE  @ibody  4
ATTRIBUTE name  $ymax
SELECT    FACE  @ibody  5
ATTRIBUTE name  $zmin
SELECT    FACE  @ibody  6
ATTRIBUTE name  $zmax

# add an extra attribute to xmin Face
SELECT    FACE  $name  $xmin
ATTRIBUTE extra $yes

# select the face in the bounding box
SELECT    FACE  -.1  0.1  -.1  3.1 -.1  2.1
ASSERT    @sellist.size  1

# select a face by attribute
SELECT    FACE  $name  $xmin
ASSERT    @sellist.size  1

SELECT    FACE  $name  $*max
ASSERT    @sellist.size  3    # xmax, ymax, and zmax

SELECT    FACE  $name  $*  $extra  $yes
ASSERT    @sellist.size  1    # has a name and has extra=yes

END