-
ZERO
-
Put the value zero (0.0) in the current buffer. Quite a destructive
command !
see also : MINUS
ONE
PLUS
ZEROING
-
ZEROING
-
ZEROING value
sets to zero all the data-point wich have an intensity (absolute
value) below the value. The prompted default value is the noise
level.
When coupled to a compression utility (compress or gzip), permits to
store a file in an optimum fashion.
eg : on a standard tocsy on E.Coli thioredoxine 3mM, using gzip
compressed uncompr. ratio uncompressed_name
1945574 2101248 7.4% tocsy
870750 2101248 58.5% tocsy2
149825 2101248 92.8% tocsy3
tocsy standard file
tocsy1 after ZEROING $noise ; barely visible
tocsy2 after ZEROING (3*$noise) ; more drastic, but all peaks are
still there
see also : MINUS
PLUS
WRITE
ZERO
-
ZERO_QU
-
ZERO_QU 0 or 1
Controls the algorithm for INTEG 2D peak integration. When
ZERO_QU is 0, normal integration is done, When 1, the amoeba is
computed one the Absolute value of the data-set, and the integration
is done over this amoeba in normal mode. Useful when integrating
NOESY peaks with Zero-Quanta contribution. (Zero-quanta integrates
to 0)
see also : INTEG
PEAK
-
ZM
-
Creates a graphic box that permits to control the value of SCALE and
the zoom state.
To zoom in the display, simply click on the graphic window with
the left and middle buttons pressed, and draw a rectangle on the
display. You can redraw as many time as wished this rectangle. To
zoom into the selected region, simply click in this rectangle with
the left and right button of the mouse. You can also use the Zoom in
and Zoom out buttons in the control box.
The four little arrows can be used to move around the zoom
region. Each arrow will move the selected region by half the size of
the zoom box.
There are five controls to adjust the vertical scale used for
displaying the spectra. The Reset button will reset the display to
the default, (ABSMAX 0 SCALE 1 ZOOM 0) where the largest peak in the
screen in full size. The four other buttons permit to modify the
scale value, raising or lowering the SCALE context by factor of 2
and of 1.2.
The ZM box also displays the coordinate of the cursor when a
button is depressed, the unit used for display depends on UNIT
see also : MONOPOINT
point
SCALE
UNIT
ZOOM
-
ZNOT
-
znot value
This context holds the focal length that will be used for computing
a 3D display with the DISP3D/REF3D set of commands. A large value
(1000) will produce a nearly orthometric projection, a small value
(10 or less) will result in large conic distortions.
see also : DISP3D
-
ZOOM
-
ZOOM n f_low f_up (1D) or f1_low f2_low f1_up f2_up (2D)
or f1_low f2_low f3_low f1_up f2_up f3_up (3D)
if n=0, zoom mode is off.
if n=1, zoom mode is on, you are then prompted for the coordinates
(row,col) of the lower left point and upper right point for defining
the 2D zoom window.
In 1D, you are only prompted for left and right borders.
If a region was already selected on the display with the POINT
command, this region is proposed as the default region.
see also : center
point
rzoom
upzoom
ZM
zoom3di
-
zoom3di
-
interactive
to setup a zoom window in 3D
see also : disp3d_form
upzoom
ZOOM