3DSLICE
Section: User Commands (1)
Updated: December. 20, 1990
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NAME
3dslice - 3D image slice
SYNOPSIS
3dslice
[-d
dhv
[-p
xyz]]
[-a #] [-n #] [-c#] [-r#] [-f#]
DESCRIPTION
3dslice
slices a 3D image to form a 2D or sub-3D image for displaying and looking at
the inside of one of HIPS and FITS type images. The output is a HIPS image.
OPTIONS
- -d
-
Direction to cut.
-dh
is the default which slices horizontally (Z-X surface).
-dv
specifies slicing vertically (Y-Z surface).
-dd
does slicing diagonally and becomes the default if
-p
is specified.
- -p[x, y, z]
-
giving a choice to which axis the slice is parallel (for diagonally slicing)
- -a
-
# gives the angle for a diagonal slice which ranges from -90 to +90 degrees.
You can specify any angle, the program can convert it into this range.
- -c
-
starting column for vertical and diagonal slices.
- -r
-
starting row for horizontal ane diagonal slices.
- -f
-
starting frame for diagonal slices.
- -n
-
New image frames. If you have a 50x50x50 image and start at column 10 for a
vertical slice, and specify
-n
20, then you get a 50x50x20 output image which
includes old images from column 10 to 30.
COORDINATES
The X axis is from left to right based on Y-Z surface. The Origin is
upper-left corner.
The Y axis is top down based on Z-X surface. The Origin is same as X.
The Z axis faces away from front (not toward to face). 0 degree starts on
X axis.
The result of slicing is always from bottom to top.
We explain by the following example:
parallel Y axis slicing [-py]. coordinate is (x, y, z)
(0, 0, 0 - 0, 1, 0) corner by using +angle -f options.
(1, 0, 0 - 1, 1, 0) corner by using -angle -c options.
(1, 0, 1 - 1, 1, 1) using +angle & -c options.
(0, 0, 1 - 0, 1, 1) using -angle & -f options.
For 1 & 3, the view-line is 1,0,1 - 1,1,1.
For 2 & 4, the view-line is 1,0,0 - 1,1,0.
ANGLE
The positive angle is that any angle is between two axes, and negative angle is
that any angle not between two axes.
EXAMPLES
3dslice
-px -a 30 -r 20 check_3d | xhips
SEE ALSO
3drotate(1), 3drotate90(1), 3drotate180(1), powertool(1)
AUTHOR
Jin Guojun - 11/15/90
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- COORDINATES
-
- ANGLE
-
- EXAMPLES
-
- SEE ALSO
-
- AUTHOR
-
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