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Culture Myograph System Model 202CM

3.3.2.6 Distance Measurement

If the user wishes to measure a distance on the image, VediView

™

can supply the

dimensions of any rectangle drawn in the main window. Drag and click the mouse

to select a rectangle in the main window and then select the "measure rectangle"

icon on the tool bar. A dialogue box will appear, giving the rectangle dimensions

in selectable units. The default units are image pixels. However, if the dimensional

analysis has been calibrated (as in the example) the dimensions will be displayed

in microns (default) or in another selectable unit. When performing calibrated

measurements, the calibration le (*.cal) from which the scaling data are taken will

be displayed in the dialog box. If the calibration has been performed but not saved to

le (not recommended), measurements will be displayed in real units but no lename

will appear in the dialog box.

3.3.3 Data

The data control bar supervises the acquisition, logging and display of experimental

data. Some of the data elds are direct readings of experimental settings (e.g.

temperature), whilst others are derived from selected analysis within a given

experiment (e.g. lumen diameter). These data elds may be displayed graphically

and or logged to le if required. The graphical display is always present on the control

bar but may also be drawn in the main window. Basic controls of the graphics are

supplied (axis ranges, legend) but the display is provided as an experimental monitor

rather than a post-production facility. A large internal data memory is provided so that

the user can scroll back through the graphical record of the parameters, even while

the experiment is running. The logged les may be read into a standard spreadsheet

(e.g. Microsoft excel). High quality graphical reproduction of data elds can then

be created from a standard Ofce application. The pop-up menu on the control bar

(select ) can be used to access all functions and this menu can also be revealed by

a right mouse button click when the Windows cursor is above the control bar. A more

detailed description of the functions available in the data control bar follows under

these sub-headings:

• Selecting Data for Display

• Conguration of Data Display

• Control of Data Display

• Data Logging

Figure 3.13

Calibrated distance measurement

Figure 3.14

Data control bar

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DMT Presenter Control Bedienungsanleitung Seite 30