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ar345 Program Manual 2 9
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4
.4 Work Area
4
.4.1 Load Buttons
By pressing the single left or right arrow one can decrease or increase the current imag
e
number and load the previous or next image, respectively. The double arrow will continous
ly
increase image numbers and continuously load the next image until the stop button
is
pressed.
4
.4.2 Zoom Buttons
By pressing the full image button, the image will be displayed such that it fits
entirely into the window. The other buttons will zoom in or zoom out.
4
.4.3 Colors
The upper text field has the same function as the "Max"−field in the mar345−Colors windo
w
and the lower text field corresponds to the "Min"−field (see chapter 4.9). Dragging the cente
r
mouse button in the color area, the color distribution changes. Try it out to see wha
t
happens!. This doesn’t work for Rainbow mode (see below) and it doesn’t work o
n
16/24/32−bit color screens, only with 8−bit colors.
4
.5 Information Areas
U
pper left corner:
When pressing the center mouse button in the image area, the x,y−coordinate, intensity an
d
resolution of the pixel under the pointer is displayed.
L
ower left corner:
Once an image has been loaded successfully, some information (wavelength, distance
,
maximum intensity and average intensity) is displayed, unless "Hide statistics" was presse
d
(see 4.2.2).
U
pper right corner:
When pressing the "Integrate" button in the "Options" submenu (see 4.2.2) the followin
g
information is displayed: number of pixels in x and y, maximum, minimum and averag
e
intensity, sum of pixel intensities, standard deviation of intensities, average background an
d
mean intensity over background (all relative to the pixels displayed in the Image Area). Th
e
background is calculated from a histogram of intensities of a box of 50x50 pixels around th
e
center of the zoomed area. Pixel values > 1000 are not included in the histogram. This optio
n
works for zoom factors >= 1.0 only.