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Stereo Scan 440 - DCU

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current text string). In addition the font and style of the text can be modified.<br />

The fonts available are:-<br />

. Leica 29<br />

. Leica 24<br />

. Leica 16<br />

. Arrows 31<br />

. Arrows 25<br />

. Maths 24<br />

. Maths 16<br />

The f1 character is only available in the Leica fonts.<br />

~<br />

~<br />

Each text string is of a single font. Mixed strings can only be achieved by<br />

placing two or more strings of different fonts next to each other on the<br />

image. It is recommended that all annotation and measurement is<br />

perfonned in full screen mode (using the large fonts). If quarter screen<br />

mode is selected, then the small fonts will be substituted for the large ones,<br />

but the proportionate sizing is not exact and may cause the text to change<br />

size or position slightly.<br />

The style of the text reflects the way in which the foreground and background<br />

colours are used to display text. The different selections available are:-<br />

Unbacked Normal - Text on a transparent background<br />

. Backed Normal - Text on a solid background colour<br />

. Halo - Text with a transparent background but with a single<br />

Pins and Links<br />

pixel halo of background colour<br />

Unbacked Bold - Bold text on a transparent<br />

. Backed Bold - Bold text on a solid background colour<br />

background<br />

~<br />

It is possible to indicate the area of the image referred to by some text by using<br />

pins and links. Both these objects are selected from the Annotation menu. A pin<br />

is a round dot which can be placed anywhere on the image. A link is a line which<br />

can be attached between any two annotation objects (usually one is a pin). If<br />

either object attached to a link is moved, then the link will be redrawn to follow<br />

the shortest line between the two objects.<br />

Attributes<br />

Each object displayed by the annotation system has a set of attributes which<br />

describe the way in which the object is displayed. For each attribute a default can<br />

be set up using the Attributes->Defaults menu. When an attribute has been<br />

<strong>Stereo</strong>scan <strong>440</strong> Operator Manual<br />

.I

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