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Carl Zeiss
Center Screen Area / Image Containers - Display and Image Analysis
Lightsheet Z.1
218
000000-1790-528
02/2013
4.8.10
Interactive Measurements
3D VisArt features three tools for interactive measurements in Euclidian space. Measurements can be
performed in all graphic-card accelerated modes (
Transparency
,
Surface
,
Maximum
, and
Mixed
). The
measured tools are shown as shapes in the rendered volume and can be changed here interactively.
Measurement values can be exported as a table to the clipboard for downstream processing in other
programs.
First, a suitable tool has to be chosen. In order for measurements to work, the mouse cursor must
"recognize" a structure. In the
Surface
mode this is a uniquely identifiable surface structure, for the
transparent modes the tools look for the highest local gray level maximum.
As a sign, that the mouse cursor has "found" a structure, the cursor shape changes from
into
.
The found measurement point is drawn as a blue circle
.
Interactive 3D-Measurement
The measurement dialog contains a toolbar with
the available measurement tools.
The
Line
tool measures the length along a line in
µm. First, click on a starting point and move the
mouse to the desired end point while keeping the
left mouse key depressed. The measurement is
concluded upon releasing the left mouse key.
The
Angle
measurement tool defines an angle between two connected line segments. First define the
starting point by clicking, and then draw the first line segment until you click on the first endpoint. Now
draw the second line segment and conclude the measurement by clicking onto the second end point.
This measures the angle in degree.
The
Curve
tool measures the total length (µm) along a variable multi-segmented polygon line. Please
click from point to point and finish the measurement by clicking with the right mouse key.
Measurement values are compiled in a list. In order to delete a measurement, select it in the list and press
the
Remove
button. One can also delete all measurements by clicking on
Remove all
.
The measurements can be copied into the clipboard with the
Copy
button.
Measurements are only transiently drawn into the volume and are not stored automatically with the
image.
Fig. 329
3D Measurement View control block
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