VWR avantor CHEMI Instruction Manual page 66


Scroll bars allow you to view the entire area of an image. A horizontal scroll bar
appears when the Zoom function is used on an image.
The right hand pane contains the following controls:

The Change Layout controls.

The Link controls.
TWO IMAGES - LINKED
The default setting is for images being compared to be unlinked. The numbers in the
Link boxes correspond to the positions of the images in the left hand pane.
With the images unlinked, adjustments made using the Scroll bars or the Zoom and
Range controls are applied only to the selected image. The selected image is
indicated in the Link boxes by the selected image number being outlined red.
Images can be linked by selecting the Link
adjustments made using the Scroll bars or the Zoom and Range controls are
applied equally to all of the linked images.
Selecting one of the images in the left hand pane or one of the numbered Link boxes
unlinks the images.
Unlinked images can be zoomed into and panned around by positioning the cursor
over the selected image and when the cursor changes hold and drag to move the
image around in its viewing window.
A Histogram button
Selecting this displays a histogram or graphical representation of the distribution of
grey scales recorded by the camera sensor; with black to the extreme left, white to
the extreme right.
The Histogram button turns red to indicate that the function has been selected.
Selecting the button again cancels the Histogram function.
The histogram is a graph showing the number of pixels in the image at each different
intensity value found in that image. For a 16-bit image there are a possible 65535
different intensities so the histogram will graphically display 256 numbers showing
the distribution of pixels amongst those grayscale values. If the graph is bunched up
65 vwr.com Instruction manual
GAMMA SLIDER
TWO IMAGES - UNLINKED
is displayed for each image, below the vertical Scroll bar.
HISTOGRAM DISPLAY
®
VWR
THREE IMAGES
button. With the images linked,