User Manual

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Picture Editor 169
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If nothing appears on the screen when a figure is drawn,
the reason lies with the choice of colour:
Both the foreground and the background colours are set to
"transparent', or correspond to the currently selected
background colour (window colour or the colour of a figure
in the background).
To change the colours of a figure, see "Operations with
Graphic Figures - Choice of Colours."
Recovery files: In certain situations, "Insight" automatically creates backup
copies:
- When opening a new Editor window
- Always after 50 drawing operations
- With the "Clear Screen" operation.
Name of the backup copy: RECOVERY.PTF
Directory: ...\UVI\PTF
Before creating a new backup copy, Insight always
changes the old RECOVERY.PTF into RECOVERY.OLD.
Thus, not all the changes to a picture are lost in the fol-
lowing cases:
- Ignoring the warning "Changes will not be saved" with
[OK].
(when exiting the Picture Editor or when loading a new
picture.)
- Direct exit from "UNIGYR-VISONIK Insight."
- Power failure
- Program crash
11.4.1 Drawing a straight line
Icon for "Straight line" (Keyboard: <L>)
Start of line
End of line
The directional keys can be used for fine positioning
the end of the straight line.
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CM2B8523E UNIGYR-VISONIK Insight March 1995