# select_4
# 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

# turn the visibility of the Faces off
SELECT    FACE
ATTRIBUTE _viz  $off

# select both the xmin and xmax Faces
SELECT    FACE  @ibody  1
SELECT    ADD   @ibody  2
ASSERT    @sellist.size 2

# select all Faces except the xmax Face
SELECT    FACE
SELECT    SUB   @ibody  2
ASSERT    @sellist.size 5

# now select only the xmax Face
SELECT    NOT
ASSERT    @sellist.size 1
ASSERT    @sellist[1]   2

# select all Faces and sort in based upon zcg
SELECT    FACE               # xmin, xmax, ymin, ymax, zmin, zmax
SELECT    SORT  $zcg         # zmin, xmin, xmax, ymin, ymax, zmax

DIMENSION myList  @sellist.size  1
SET       myList  @sellist

SELECT    FACE  @ibody  5               # zmin
ASSERT    myList[1]     @sellist[1]
SELECT    FACE  @ibody  1               # xmin
ASSERT    myList[2]     @sellist[1]
SELECT    FACE  @ibody  2               # xmax
ASSERT    myList[3]     @sellist[1]
SELECT    FACE  @ibody  3               # ymin
ASSERT    myList[4]     @sellist[1]
SELECT    FACE  @ibody  4               # ymax
ASSERT    myList[5]     @sellist[1]
SELECT    FACE  @ibody  6               # zmax
ASSERT    myList[6]     @sellist[1]

END